228 results for Network Security Administrator in Secondary

Network Security Administrator

Exton, PA
onsite
Permanent
100000.00 - 115000.00 USD / Yearly
We are looking for a skilled Network Security Administrator to join our team in Exton, Pennsylvania. In this role, you will safeguard our organization's IT infrastructure by ensuring robust security measures are in place and effectively maintained. Your expertise will contribute to the continuous improvement of our security systems, while also providing support for end users and proactively addressing potential vulnerabilities. Responsibilities: • Administer and configure IT security servers, appliances, and endpoint programs to ensure optimal functionality. • Perform installations, upgrades, and replacements of security-related software and hardware as needed. • Monitor security systems for alerts, respond to incidents, and escalate issues when necessary. • Assess the security of the organization's infrastructure and recommend improvements to strengthen overall security. • Troubleshoot and resolve issues with IT security equipment and applications. • Conduct scheduled security scans, implement remediation processes, and address vulnerabilities. • Manage and prioritize security-related tickets from the service desk, providing first-level support and coordinating resolutions. • Develop and maintain policies and procedures related to IT security operations. • Participate in audits, penetration tests, and disaster recovery exercises to ensure compliance and readiness. • Contribute to the development and enhancement of organizational security programs and initiatives.
2026-02-27T18:13:43Z

Network Security Admin

Johns Creek, GA
remote
Contract / Temporary to Hire
45.00 - 57.00 USD / Hourly
OverviewReporting to the Manager, IT Network Infrastructure, the IT Network Security Admin is responsible for providing technical assistance and support related to client's network systems 24/7. Responsibilities· Maintaining and administering networking security tools· Perform escalated troubleshooting for network issues· Configuring and installing various networking security devices and services· Manage all SLAs· Performing maintenance and upgrades for security configurations or end-of-life equipment cycle· Communicate with customers of all updates· Work with established configuration and change management system to ensure policies for awareness and approval are correctly upheld· Work closely with selected vendors for projects and new technology implementations· Deeper troubleshooting through diagnostic tools and techniques· Determines the best solution based on the specific issue· Escalates unresolved issues to next-level support· Performs daily maintenance and reporting· Performs additional duties as required
2026-03-18T13:54:06Z

Systems Security Administrator

Cranston, RI
onsite
Temporary
50.00 - 65.00 USD / Hourly
We are looking for a skilled Systems Security Administrator to join our team on a long-term contract basis. This position is based in Cranston, Rhode Island, hybrid once a week or less depending on location commuting from, and offers the opportunity to contribute to the ongoing protection and enhancement of our organization's security framework. You will play a pivotal role in managing and securing hybrid systems, collaborating with internal teams and external vendors to ensure compliance and resilience within a regulated healthcare environment. Responsibilities:• Configure and manage endpoint security for Windows, macOS, and mobile devices, ensuring compliance with organizational standards.• Oversee patch management and address vulnerabilities across endpoints, servers, and cloud infrastructure.• Administer identity and access controls, including conditional access policies and privileged access management.• Maintain and refine firewall rules and secure remote access in collaboration with network and infrastructure teams.• Coordinate with third-party security vendors to enhance monitoring coverage and close security gaps.• Harden servers and cloud workloads using industry-aligned baselines, while documenting configuration standards.• Implement and optimize data governance and information protection controls using Microsoft Purview.• Ensure the security of public web applications and APIs by managing configurations, edge controls, and access patterns.• Contribute to incident response planning, ransomware recovery strategies, and disaster recovery exercises.• Develop and update security policies, runbooks, and audit documentation to support compliance efforts.
2026-03-18T13:04:28Z

Network Administrator

Nashville, TN
remote
Temporary
35.00 - 40.00 USD / Hourly
Robert Half is seeking a Contract Network Administrator to join our client's IT team. As a Contract Network Administrator, you will be responsible for the design, implementation, and maintenance of the organization's network infrastructure. This role offers an exciting opportunity to work with a respected organization and contribute to the management of a robust and efficient network environment. Key Responsibilities:<ol><li>Network Design and Configuration: Design, deploy, and maintain network infrastructure, including routers, switches, firewalls, and wireless technologies, to ensure optimal performance and security.</li><li>Network Monitoring and Optimization: Monitor network performance, troubleshoot issues, and implement optimizations to maximize network efficiency and reliability.</li><li>Security Management: Implement and manage network security measures, including firewalls, intrusion detection systems, and VPNs, to protect against cybersecurity threats.</li><li>Network Maintenance: Perform routine maintenance tasks, such as software updates, firmware upgrades, and hardware replacements, to ensure network stability.</li><li>Troubleshooting and Support: Provide technical support and resolve network-related issues reported by users or identified through monitoring tools in a timely manner.</li><li>Documentation: Maintain accurate documentation of network configurations, procedures, and changes for future reference and compliance purposes.</li><li>Vendor Coordination: Collaborate with vendors and service providers to procure network equipment, manage service contracts, and troubleshoot complex network issues.</li><li>Capacity Planning: Assess network capacity, anticipate growth requirements, and make recommendations for upgrades or changes to meet organizational needs.</li></ol>
2026-03-17T18:59:01Z

Network Administrator

Ft Lauderdale, FL
onsite
Temporary
- USD / Hourly
Network AdministratorWe are seeking a knowledgeable Network Administrator to support and maintain our network infrastructure across multiple locations. This role is ideal for someone who enjoys working with routers, switches, firewalls, and wireless technologies while ensuring reliable connectivity for all users. The ideal candidate will have strong problem-solving skills, attention to detail, and a solid understanding of networking fundamentals.Responsibilities<ul><li>Configure, monitor, and troubleshoot switches, routers, firewalls, and wireless access points</li><li>Support LAN/WAN environments including VLANs, VPNs, DHCP, DNS, and routing/switching</li><li>Monitor network performance, bandwidth usage, and system alerts</li><li>Assist with network upgrades, equipment refreshes, and site deployments</li><li>Maintain accurate network documentation including diagrams, IP schemas, and configurations</li><li>Troubleshoot network connectivity issues across wired and wireless environments</li><li>Manage firewall policies, VPN tunnels, ACLs, and network segmentation</li><li>Collaborate with security teams to implement network hardening measures</li><li>Support VoIP systems, WAN circuits, and remote connectivity</li><li>Escalate complex issues and coordinate with vendors when necessary</li></ul>
2026-03-09T12:43:44Z

Network Administrator

Fort Lauderdale, FL
onsite
Temporary
34.00 - 43.00 USD / Hourly
We are looking for a skilled and proactive Network Administrator to oversee and enhance our network systems in Fort Lauderdale, Florida. In this role, you will play a critical part in ensuring the stability, security, and efficiency of our wired and wireless infrastructure, as well as firewall technologies. This is a long-term contract opportunity, ideal for professionals eager to collaborate across teams and maintain high standards of network reliability. Responsibilities:• Configure, manage, and troubleshoot network devices such as routers, switches, firewalls, and wireless access points.• Administer and support firewall solutions, including platforms like Palo Alto Networks and Cisco, ensuring connectivity and security.• Monitor and maintain VPN tunnels, remote access systems, and site-to-site connections to guarantee seamless operations.• Assist in deploying, analyzing, and improving wired and wireless network infrastructure for optimal performance.• Collaborate with Deskside Support, Server Administration, and Information Security teams to align IT operations and resolve issues.• Uphold compliance with security protocols and regulatory standards by monitoring and maintaining network configurations.• Document network setups, updates, incident responses, and inventory records to ensure transparency and accuracy.• Provide Tier 2 support for network-related challenges, escalating more complex issues when necessary.• Participate in IT change management processes to ensure smooth transitions and upgrades.• Follow service management best practices related to incidents, problems, and change management processes.
2026-03-09T15:38:52Z

Junior Systems Security Administrator

Sugar Land, TX
onsite
Permanent
80000.00 - 95000.00 USD / Yearly
We are looking for a dedicated Systems Security Administrator to join our team in Houston Texas. This role focuses on managing and enhancing Windows-based IT environments while supporting security operations to ensure the integrity and protection of organizational systems. The successful candidate will play a key role in maintaining system reliability and implementing security measures that align with best practices. Responsibilities:• Administer and maintain Windows Server environments, including Active Directory and file services, to ensure optimal performance.• Configure and manage Group Policy Objects (GPOs) to enforce system settings and user access policies.• Conduct regular system monitoring, troubleshooting, and performance optimization to maintain service availability.• Perform patch management and updates across servers and endpoints to address vulnerabilities and ensure compliance.• Develop and maintain detailed documentation for system configurations, procedures, and changes.• Support the deployment and enforcement of security controls across IT infrastructure.• Assist in managing Data Loss Prevention (DLP) tools and policies to safeguard sensitive information.• Collaborate with security teams to address vulnerabilities, apply security patches, and enhance system hardening.• Participate in audits and compliance initiatives, ensuring adherence to access control and security frameworks.• Contribute to the implementation of cybersecurity measures and related operational improvements.
2026-02-15T18:53:42Z

Network Administrator

Fort Lauderdale, FL
onsite
Temporary
35.00 - 42.00 USD / Hourly
We are seeking a motivated and detail-oriented Network Administrator to support and grow our network infrastructure. This role will assist in maintaining network reliability, security, and performance across a variety of technologies including firewalls, VPNs, wireless systems, and wired infrastructure. <ul><li>Configure, maintain, and troubleshoot network hardware including routers, switches, access points, and firewalls.</li><li>Administer and support firewall platforms including Palo Alto Networks and Cisco, including VPN support.</li><li>Monitor and manage VPN tunnels, remote access, and site-to-site connections.</li><li>Participate in the deployment, monitoring, and optimization of wired and wireless network infrastructure.</li><li>Collaborate cross-functionally with Deskside Support, Server Administration, and Information Security teams to ensure smooth IT operations.</li><li>Assist with maintaining compliance with security and regulatory standards (e.g., SOX, HIPAA, PCI, etc.).</li><li>Ensure proper documentation of network configurations, changes, incident reports, and asset inventories.</li><li>Provide Tier 2 support for network-related issues and escalate as needed.</li><li>Participate in IT change management processes.</li><li>Follow ITIL best practices in service management (incident, problem, and change management).</li></ul>
2026-03-09T14:38:45Z

Network Administrator

Miami, FL
onsite
Temporary
35.00 - 42.00 USD / Hourly
We are seeking a motivated and detail-oriented Network Administrator to support and grow our network infrastructure. This role will assist in maintaining network reliability, security, and performance across a variety of technologies including firewalls, VPNs, wireless systems, and wired infrastructure. <ul><li>Configure, maintain, and troubleshoot network hardware including routers, switches, access points, and firewalls.</li><li>Administer and support firewall platforms including Palo Alto Networks and Cisco, including VPN support.</li><li>Monitor and manage VPN tunnels, remote access, and site-to-site connections.</li><li>Participate in the deployment, monitoring, and optimization of wired and wireless network infrastructure.</li><li>Collaborate cross-functionally with Deskside Support, Server Administration, and Information Security teams to ensure smooth IT operations.</li><li>Assist with maintaining compliance with security and regulatory standards (e.g., SOX, HIPAA, PCI, etc.).</li><li>Ensure proper documentation of network configurations, changes, incident reports, and asset inventories.</li><li>Provide Tier 2 support for network-related issues and escalate as needed.</li><li>Participate in IT change management processes.</li><li>Follow ITIL best practices in service management (incident, problem, and change management).</li></ul>
2026-03-09T14:33:42Z

Cyber Security Engineer

Atlanta, GA
onsite
Permanent
120000.00 - 140000.00 USD / Yearly
We are looking for an experienced Cyber Security Engineer to enhance and safeguard our security frameworks across cloud, network, and endpoint systems. This role requires a balance of technical expertise and strategic thinking, with a focus on implementing and maintaining security best practices. The ideal candidate will possess strong communication skills and the ability to collaborate effectively with technical teams and leadership. Responsibilities: • Manage and optimize security platforms, including Microsoft Azure services, CrowdStrike, Secureworks/Sophos, and Mimecast. • Develop and enforce security protocols for cloud infrastructure, network configurations, and endpoint systems. • Collaborate with engineering teams to establish secure architecture and ensure compliance with security standards. • Monitor and analyze security alerts, investigate potential threats, and lead incident response efforts. • Perform risk assessments, identify vulnerabilities, and implement remediation strategies. • Create and maintain security documentation, policies, and standards to support organizational goals. • Offer expert recommendations on security improvements and architectural strategies. • Communicate findings and risks to stakeholders in a clear and actionable manner. • Support compliance efforts, audits, and third-party security assessments. • Contribute to the organization’s overall cybersecurity strategy and maturity.
2026-02-17T20:13:42Z

Network Administrator

San Antonio, TX
onsite
Contract / Temporary to Hire
42.75 - 49.50 USD / Hourly
We are looking for a skilled Network Administrator to join our team in San Antonio, Texas. In this Contract to permanent position, you will play a critical role in ensuring the seamless operation and optimization of our network infrastructure. Your expertise will contribute to maintaining high performance and reliability across local and wide area networks. Responsibilities: • Monitor network performance to identify and resolve issues, ensuring optimal operation. • Implement necessary software updates and hardware upgrades for improved network functionality. • Configure and document network components, including firewalls, routers, switches, and hubs, to meet organizational needs. • Provide technical support and assistance to staff, administrators, vendors, and other personnel. • Respond promptly to inquiries and troubleshoot network-related problems. • Collaborate with service providers and external vendors to maintain and enhance network infrastructure. • Manage and deploy Cisco Layer 2 and Layer 3 technologies to support network security and efficiency. • Maintain detailed records and documentation for all network configurations and changes. • Ensure compliance with security protocols and best practices across all network systems.
2026-03-03T18:53:41Z

Network Administrator

Albuquerque, NM
onsite
Contract / Temporary to Hire
47.50 - 55.00 USD / Hourly
We are looking for a skilled Network Administrator to join our team in Albuquerque, New Mexico. The Network Administrator involves managing and maintaining network, server, and storage infrastructure to ensure optimal performance and security. The ideal candidate will have hands-on experience in implementing robust security controls and providing support for both cloud and on-premises environments. Responsibilities:• Plan, design, and implement network infrastructure solutions, including servers, storage systems, and cloud environments.• Configure and maintain firewalls, proxies, VPNs, and other security measures to protect enterprise assets.• Analyze and enforce secure configurations for critical systems, adhering to corporate standards and regulations.• Manage network technologies such as route/switch, Wi-Fi, and hyperconverged infrastructure to ensure seamless connectivity.• Collaborate with telecommunications vendors to upgrade circuits and communication links.• Develop and maintain business continuity and disaster recovery plans for network operations.• Install, configure, and support VoIP systems and communication technologies across various platforms.• Conduct troubleshooting and analysis of network issues, including traffic shaping and port-level filtering.• Maintain and optimize load balancers, wireless access points, and other connectivity tools.• Oversee the integration of serial and IP communications between primary and backup control centers.Other duties as needed
2026-03-04T17:58:45Z

IT Infrastructure Administrator

Phoenix, AZ
onsite
Permanent
80000.00 - 100000.00 USD / Yearly
We are looking for a skilled an IT Infrastructure Administrator to join our team in Phoenix, Arizona. In this role, you will be responsible for managing and maintaining network systems to ensure optimal performance and security. This position requires a strong understanding of networking technologies and the ability to address technical challenges effectively. Responsibilities:• Administer and maintain network systems, including LANs, routers, and firewalls, to ensure reliable connectivity.• Configure and manage Cisco networking equipment, ensuring proper functionality and security.• Monitor network performance and troubleshoot issues to minimize downtime.• Implement and oversee firewall technologies to safeguard sensitive data and prevent unauthorized access.• Manage Active Directory environments, ensuring proper user access and directory services.• Collaborate with IT teams to design and implement scalable network solutions.• Perform regular updates and patches to network hardware and software.• Ensure compliance with security protocols and industry standards.• Provide technical support and guidance to team members and end-users regarding network-related issues.
2026-03-11T23:04:32Z

Systems Security Administrator

Schaumburg, IL
onsite
Temporary
61.75 - 71.50 USD / Hourly
We are looking for an experienced Systems Security Administrator to join our team on a contract basis in Schaumburg, Illinois. In this role, you will focus on enhancing and maintaining identity and access management solutions, ensuring seamless integration and security across multiple platforms. The ideal candidate will have a strong technical background with hands-on experience in identity governance, system integration, and automation. Responsibilities: • Design, configure, and maintain Microsoft Entra ID tenants, implementing Single Sign-On (SSO) and Multi-Factor Authentication (MFA) to secure application access. • Manage the integration between Okta and Microsoft Entra ID, configuring Okta as an external identity provider and handling federated identity provisioning. • Configure and automate user provisioning for enterprise applications, including Slack, using Microsoft Entra ID. • Set up and manage user provisioning between Microsoft Entra ID and Google Cloud/Workspace environments, enabling seamless login with Microsoft credentials. • Develop and enforce Conditional Access Policies to ensure secure access based on user context, device compliance, and risk levels. • Utilize PowerShell, Microsoft Graph API, and Okta workflows to automate user lifecycle management and optimize repetitive tasks. • Troubleshoot complex authentication issues and resolve federation errors between integrated systems. • Document configuration processes and maintain detailed records for system setups and changes. • Provide technical support and act as the escalation point for advanced identity management challenges. • Collaborate with cross-functional teams to implement and refine identity governance strategies.
2026-03-12T21:38:42Z

Network Security Engineer

Alpharetta, GA
onsite
Permanent
100000.00 - 125000.00 USD / Yearly
Senior Network Security Engineer (MSP Environment) We are seeking a Senior Network Security Engineer to design, implement, and support secure network infrastructures across multiple client environments. This role is responsible for maintaining high-performing network systems while ensuring strong security controls, segmentation, and threat visibility across enterprise networks.The ideal candidate has deep experience working within managed services or multi-client environments, supporting complex networking infrastructures and implementing security best practices. This position requires someone comfortable troubleshooting advanced network issues, designing secure architectures, and acting as a senior escalation point for critical incidents. Key Responsibilities <ul><li>Design, deploy, and maintain network infrastructure including routers, switches, wireless networks, and firewalls across multiple client environments.</li><li>Support enterprise LAN, WAN, and wireless connectivity systems to ensure high availability and performance.</li><li>Implement and manage networking protocols such as TCP/IP, VLANs, QoS, RSTP, LACP/LAG, and multicast technologies.</li><li>Implement and maintain network security controls across switching, wireless, and firewall platforms.</li><li>Design secure network segmentation strategies including VLAN segmentation, micro-segmentation, and multi-tenant network architectures.</li><li>Configure and manage firewall policies, NAT rules, and security filtering using least-privilege access principles.</li><li>Implement secure wireless network authentication methods including WPA2/WPA3 enterprise authentication and RADIUS-based access controls.</li><li>Design and maintain private wireless networks supporting role-based or device-based access policies.</li><li>Support modern access control frameworks including Zero Trust Network Access (ZTNA) approaches.</li><li>Implement network access controls such as 802.1X authentication, device profiling, and endpoint-based access policies.</li><li>Monitor network traffic and security events using network analytics tools and firewall telemetry.</li><li>Identify suspicious activity through log analysis, flow monitoring, and threat intelligence indicators.</li><li>Coordinate with security or incident response teams to investigate potential threats and implement containment actions.</li><li>Serve as a Tier 3 escalation point for complex network troubleshooting and infrastructure issues.</li><li>Diagnose and resolve connectivity problems involving routing, switching, wireless networks, and firewall systems.</li><li>Support proactive monitoring and preventative maintenance to maximize uptime.</li><li>Onboard and maintain network infrastructure within monitoring platforms for inventory tracking, alerting, and configuration management.</li><li>Analyze network alerts and performance metrics to identify potential issues before service disruption occurs.</li><li>Maintain detailed documentation of network configurations, security policies, and infrastructure changes.</li><li>Participate in change management reviews and ensure proper documentation for infrastructure updates.</li><li>Work closely with internal engineers and client stakeholders to resolve infrastructure challenges and implement new solutions.</li><li>Provide technical guidance and communicate complex technical findings clearly to both technical and non-technical audiences.</li></ul>
2026-03-05T16:18:43Z

Network Engineer

Phoenix, AZ
onsite
Temporary
47.50 - 55.00 USD / Hourly
We are looking for an experienced Network Engineer to join our team in Phoenix, Arizona. This is a long-term contract position within the chemicals manufacturing industry, offering a dynamic environment to apply your expertise in network infrastructure and security. The ideal candidate will play a critical role in maintaining and optimizing network systems while ensuring seamless connectivity and robust security protocols. Responsibilities: • Configure and manage Cisco routers and switches to maintain efficient network operations. • Implement and troubleshoot Palo Alto and Fortinet firewalls to ensure secure data exchange. • Administer and monitor Cisco ASA systems to enhance network reliability and security. • Manage and optimize Border Gateway Protocol (BGP) configurations for effective routing and connectivity. • Utilize Cisco Networking solutions to maintain scalable and secure network infrastructures. • Deploy Cisco Application Centric Infrastructure (ACI) for streamlined network management. • Analyze and resolve network issues to minimize downtime and enhance performance. • Collaborate with cross-functional teams to design and implement network improvements. • Conduct regular assessments of network security and performance, ensuring compliance with industry standards. • Document network configurations, changes, and troubleshooting processes for future reference.
2026-03-16T21:23:42Z

System Administrator

Columbus, OH
onsite
Permanent
90000.00 - 110000.00 USD / Yearly
We are looking for an experienced System Administrator to oversee the seamless operation and maintenance of our organization's computer systems and networks. This role involves managing the infrastructure to support business objectives, ensuring compliance with industry standards, and delivering exceptional customer service. Requires hands-on expertise in system configuration, troubleshooting, and optimization. Responsibilities:• Monitor daily system and network operations to ensure security, reliability, and high performance, including providing on-call support for 24/7 operations.• Implement, maintain, and optimize local and wide area networks to meet organizational needs.• Configure, troubleshoot, and repair network hardware such as routers, switches, hubs, and UPS devices.• Address and resolve network access issues and ensure uninterrupted connectivity.• Perform system upgrades, improvements, and regular maintenance to enhance efficiency.• Set up and manage servers, including configuration and integration into the network.• Administer end-user accounts, permissions, and access controls to ensure secure operations.• Conduct regular system backups and recovery processes to safeguard organizational data.• Collaborate with other IT staff and provide backup support as needed for seamless operations.
2026-03-11T14:28:45Z

Sr. Systems & Network Engineer (Security Focus)

Boston, MA
onsite
Permanent
120000.00 - 140000.00 USD / Yearly
Senior Systems & Network Engineer (with Security Focus) 📍 Location: Hybrid in Boston, MA💼 Full-Time | Senior Individual Contributor About the RoleWe’re seeking a Senior Systems & Network Engineer who brings a strong security mindset to traditional infrastructure engineering. This is not a pure security role—it’s ideal for someone who has spent most of their career working in systems, servers, networking, firewalls, and infrastructure, and has also been involved in security troubleshooting, incident response, or remediation.If you’re a true jack‑of‑all‑trades who understands how environments are built, how networks actually function, and how security issues impact real infrastructure, this is the role for you.You’ll help strengthen our security posture by applying practical knowledge of how systems and networks behave, where vulnerabilities hide, and how to detect and fix issues efficiently. What You’ll Do<ul><li>Manage and support core infrastructure including servers, networks, virtualization, cloud services, and firewalls.</li><li>Investigate and remediate security issues by leveraging your understanding of how systems and networks operate.</li><li>Assist with vulnerability management, patching, endpoint hardening, and incident response efforts.</li><li>Monitor and improve environment performance, availability, and overall health.</li><li>Support upgrades, migrations, and implementations across systems and network components.</li><li>Collaborate with security teams, IT leadership, and business stakeholders to ensure infrastructure stability and security.</li><li>Document environments, create runbooks, and contribute to best practices.</li></ul>
2026-03-10T19:28:49Z

Network Engineer

Staunton, VA
onsite
Permanent
80000.00 - 85000.00 USD / Yearly
The Network and Systems Engineer is responsible for designing, implementing, maintaining, and supporting enterprise network and server infrastructure. This role ensures high availability, security, and performance of critical IT services while collaborating with team members across the institution. This position also develops and manages structured training and feedback plans for network and systems administrators. The ideal candidate brings strong technical expertise, excellent problem‑solving abilities, and a commitment to delivering exceptional service in a dynamic environment. Key ResponsibilitiesNetwork Infrastructure<ul><li>Design, configure, implement, and maintain network hardware including routers, switches, firewalls, wireless systems, and virtualization platforms.</li><li>Monitor network performance, identify issues, and implement optimizations to ensure stability.</li><li>Manage and troubleshoot core network protocols and services (TCP/IP, DNS, DHCP, VLANs, VPNs, etc.).</li><li>Implement and maintain network security controls, firewalls, IDS/IPS, and access rules.</li><li>Oversee and maintain wireless infrastructure to ensure reliable, secure campus‑wide connectivity.</li><li>Maintain accurate network documentation including diagrams, configurations, and operating procedures.</li></ul>Server & Systems Infrastructure<ul><li>Administer and troubleshoot Windows and Linux servers.</li><li>Manage virtualization environments, including host configuration and VM deployment.</li><li>Implement and maintain storage solutions (SAN/NAS) and backup/recovery systems.</li><li>Administer directory services (Active Directory, LDAP) and group policies.</li><li>Manage system security, including patching, vulnerability management, and access controls.</li><li>Monitor server performance and capacity to proactively address issues.</li><li>Maintain documentation for system configurations, procedures, and troubleshooting.</li></ul>General Responsibilities<ul><li>Support implementation of cybersecurity policies and regulatory compliance requirements.</li><li>Participate in risk assessments, vulnerability scans, and incident response.</li><li>Collaborate with IT staff and vendors to ensure seamless service delivery.</li><li>Research and recommend new technologies to enhance infrastructure.</li><li>Provide Tier 2 support and assist with escalated issues.</li><li>Participate in IT projects from planning through implementation.</li><li>Maintain knowledge of industry standards, technologies, and best practices.</li><li>Adhere to all organizational IT policies and security guidelines.</li></ul>
2026-03-05T15:03:43Z

Systems Administrator

Bethany, OK
onsite
Temporary
23.75 - 27.50 USD / Hourly
We are seeking a skilled and motivated Tech Support Tier 2 Analyst to join our technical operations team. This role is ideal for someone with strong hands-on experience across server administration, cloud migrations, Microsoft technologies, and networking. You will serve as a key escalation point for complex issues, provide advanced troubleshooting, support critical infrastructure, and assist with lift‑and‑shift migrations from on‑premises environments to the cloud. Key ResponsibilitiesTechnical Support & Troubleshooting<ul><li>Provide Tier 2 support for escalated technical incidents and service requests.</li><li>Diagnose and resolve issues related to Windows Server, O365, networking, and general system performance.</li><li>Support end users and internal teams with advanced problem-solving and root-cause analysis.</li></ul>Server & Infrastructure Work<ul><li>Install, configure, maintain, and troubleshoot Windows Server environments.</li><li>Perform patching, permissions management, role configuration, and server hardening.</li><li>Assist in server upgrades, migrations, and new deployments.</li></ul>Cloud & Migration Projects<ul><li>Participate in lift-and-shift migrations from on-premises systems to cloud environments.</li><li>Support migration planning, execution, validation, and documentation.</li><li>Assist with identity management, Azure AD integration, and cloud resource configuration.</li></ul>Microsoft Back-End Support<ul><li>Provide back-end support for Microsoft technologies including:</li><li>Office 365 administration</li><li>Exchange Online</li><li>SharePoint Online</li><li>Azure AD</li><li>Manage licensing, user provisioning, policy enforcement, and security configurations.</li></ul>Networking Support<ul><li>Troubleshoot LAN/WAN connectivity issues.</li><li>Perform basic to intermediate network configuration and diagnostics.</li><li>Support network changes, documentation, and performance monitoring.</li></ul>Unify (Ubiquiti) Systems – Major PlusExperience with Unify/Ubiquiti hardware is a significant advantage, including:<ul><li>MVR systems</li><li>NAS devices</li><li>Gateways</li><li>Access Points</li><li>Controller configuration, firmware updates, and network optimization</li></ul>
2026-03-13T13:33:45Z

Network Administrator

Tampa, FL
onsite
Contract / Temporary to Hire
- USD / Hourly
We are looking for an experienced Network Administrator to join our team in Tampa, Florida. In this role, you will be responsible for ensuring the security, reliability, and performance of the organization's network across multiple data centers and remote locations. This position offers a hands-on opportunity to work within a Cisco-focused environment while managing day-to-day operations and contributing to network architecture and project initiatives. This is a Contract to permanent position, with an initial six-month contract followed by potential conversion to a hybrid schedule. Responsibilities: • Oversee the daily operation and uptime of network systems across data centers and remote sites. • Configure, maintain, and troubleshoot Cisco technologies, including Catalyst, Nexus, and wireless platforms. • Administer enterprise firewalls, currently Check Point, with potential future transition to Palo Alto. • Monitor and optimize network traffic and performance using tools such as WireShark, NetScout, and Network Performance Monitor. • Design and update network architectures, including spanning tree configurations and security standards. • Collaborate with cross-functional teams to resolve connectivity and performance issues. • Conduct network analysis, capacity planning, and lifecycle refresh activities. • Ensure accurate documentation of network configurations and compliance with security protocols. • Participate in on-call rotations and resolve support tickets in a timely manner. • Provide guidance and mentorship to entry level network team members.
2026-03-17T20:08:42Z

Network Administrator with VoIP

Sugar Land, TX
onsite
Permanent
110000.00 - 130000.00 USD / Yearly
The individual in this position will handle daily support practices, incident support, projects, etc. and provide feedback to the technical and leadership teams. Network Engineers install and maintain network & telecom infrastructure, collect network performance data, and resolve network issues in collaboration with vendors, and IT teams. They work at organizations' centralized network operations or data centers. It is expected that the candidate has demonstrated historical competency in networking while also has the technical aptitude to progress towards cross disciplinary technology operations support.Responsibilities• Provide Tier 3 Technical Support.• Occasional travel (primarily day travel by automobile) to branch sites within a region to address technical needs.• Resolve incidents by thorough troubleshooting delivering data-driven options utilizing the OSI model.• Execute or implement changes and infrastructure requests.• Install and configure network & telecom hardware and software, including routers, switches, firewalls, wireless access points, cubes, Adtrans.• Monitor network performance to identify and resolve issues promptly.• Maintain network security by implementing security measures and protocols per the Bank’s standards.• Manage network backup and recovery processes to ensure data integrity and availability.• Perform regular maintenance and updates on network & telecom systems to ensure optimal performance.• Troubleshoot and provide client support for technology and infrastructure issues.• Document and update incident technical details into service desk ticketing system.• Maintain comprehensive documentation of network configurations, changes, and inventory.• Generate regular reports on network performance, security incidents, and usage statistics.• Communicate with key stakeholders to provide frequent status updates regarding technical issues and status of the remediation efforts.• Execution of standard operational processes which involve technology and client interfaces.• Perform all triage functions• Extensive in-depth familiarity with Cisco IOS, UCS, UCM, UCCX, CER and monitoring platforms• Perform hardware replacements• Troubleshoot software or configuration related issues• Adhere to operating procedures• Identify and remediate possible major impacting events within the network• Work with vendors across the technology to provide the highest possible uptime rate of network services• Quickly identify the layer 1 and 2 connections to an IP address
2026-02-17T00:38:41Z

Network Engineer

Jacksonville, FL
onsite
Temporary
- USD / Hourly
We’re hiring a Network Engineer to design, support, and optimize our network infrastructure. This role focuses on routing, switching, firewalls, wireless technologies, and network security across a multi‑site or cloud‑connected environment.What You’ll Do<ul><li>Configure and manage routers, switches, firewalls, VPNs, and wireless networks</li><li>Monitor performance, uptime, and traffic patterns across LAN/WAN</li><li>Troubleshoot network issues and resolve outages quickly</li><li>Implement network security best practices (ACLs, segmentation, IDS/IPS)</li><li>Maintain documentation: diagrams, inventory, IP schemas, standards</li><li>Support cloud networking (Azure/AWS virtual networks, load balancers, gateways)</li><li>Assist in network upgrades, migrations, and new deployments</li><li>Partner with security, systems, and infrastructure teams</li></ul>
2026-02-27T13:43:42Z

Systems Administrator

Las Vegas, NV
onsite
Permanent
70000.00 - 86000.00 USD / Yearly
We are looking for a dedicated Systems Administrator to join our team in Las Vegas, Nevada. This role requires a proactive individual with strong technical expertise and problem-solving skills to support and maintain our IT infrastructure. The ideal candidate will bring a passion for technology, adaptability, and a commitment to delivering exceptional service. Responsibilities:• Manage and maintain systems, including Microsoft 365, VMware, and Entra ID, ensuring optimal performance.• Troubleshoot and resolve issues with Outlook, SharePoint, Teams, and other applications to support end-users.• Configure and create virtual servers, providing reliable infrastructure solutions.• Respond to and manage incoming support tickets, averaging 60 per week in a mid-sized user environment.• Participate in on-call rotations to address urgent system-related concerns.• Utilize Fortinet administration tools when needed to enhance network security.• (Nice to Have, but Note Required) Perform scripting tasks using PowerShell to automate processes and improve efficiency.• Stay updated on emerging technologies and certifications to enhance system performance and security.
2026-02-26T02:24:27Z

Systems Administrator

Nashville, TN
remote
Temporary
35.00 - 40.00 USD / Hourly
Robert Half is currently seeking a Contract Systems Administrator to join our client's IT department. As a Contract Systems Administrator, you will be responsible for the configuration, maintenance, and management of the organization's computer systems, servers, and network infrastructure. This is a contract position that offers an exciting opportunity to work with a reputable company. Key Responsibilities:<ol><li>System Maintenance: Perform routine system maintenance, including software updates, patch management, and regular system backups to ensure system stability and security.</li><li>Server Administration: Manage and maintain server hardware and software, including Windows Server, Linux, or other relevant operating systems.</li><li>Network Management: Oversee network infrastructure, ensuring optimal performance, security, and reliability. This may include switches, routers, firewalls, and wireless access points.</li><li>Security Monitoring: Implement and monitor security protocols to safeguard systems and data, detect and respond to security breaches, and conduct regular security audits.</li><li>User Support: Provide technical support to end-users, assisting with system-related issues, troubleshooting, and offering guidance on best practices.</li><li>Documentation: Maintain detailed records of system configurations, changes, and updates to facilitate system troubleshooting and auditing.</li><li>Capacity Planning: Assess system performance and capacity, making recommendations for upgrades or enhancements to meet organizational needs.</li><li>Backup and Disaster Recovery: Develop and implement backup and disaster recovery plans to ensure data integrity and continuity of operations.</li><li>Vendor Collaboration: Collaborate with technology vendors to ensure timely procurement of hardware and software, and manage vendor relationships.</li></ol>
2026-03-17T18:48:42Z