Results for Network Security Administrator Jobs in Tysons, VA

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Network Engineer

Baltimore, MD
onsite
Temporary / Contract
55.4135 - 75.08 USD / Hourly
We are looking for a Network Engineer to support and strengthen enterprise networking operations in Baltimore, Maryland. This long-term contract opportunity is suited for a detail-oriented individual who can maintain reliable connectivity, improve network performance, and help deliver secure infrastructure that supports daily business needs. The role involves hands-on technical work across installation, troubleshooting, optimization, and end-user support within a complex networking environment. Responsibilities: • Monitor network health and take proactive steps to maintain stable, high-performing connectivity across infrastructure. • Install, configure, and support core networking equipment, including Cisco routers, firewalls, and related components. • Troubleshoot incidents involving routing, firewall policies, and general network access to minimize service disruptions. • Evaluate existing network architecture and recommend improvements that enhance reliability, security, and scalability. • Administer and optimize routing protocols such as BGP to support efficient traffic flow between networks. • Maintain and support security platforms including Palo Alto firewalls and Cisco ASA devices in alignment with operational requirements. • Create and update technical documentation covering configurations, procedures, and support practices for network environments. • Provide technical guidance and user support related to network connectivity, infrastructure usage, and operational best practices.
2026-10-22T00:00:00Z

Network Engineer

Baltimore, MD
onsite
Temporary / Contract
60 - 100 USD / Hourly
Must-Haves<ul><li>Strong Routing & Switching (CCNP-level)</li><li>Palo Alto & Cisco ASA firewall experience</li><li>Cisco ACI experience (support required, implementation/design preferred)</li><li>Azure networking preferred (AWS acceptable)</li><li>Wireless networking</li><li>Data center networking</li><li>Experience supporting and implementing network infrastructure</li></ul>What They're Really HiringNot looking for a pure operations person or pure architect.Need someone who can:<ul><li>Handle daily operations</li><li>Troubleshoot tickets</li><li>Build and implement new sites</li><li>Support network/security infrastructure</li><li>Participate in infrastructure projects</li></ul>Key Projects<ul><li>Cisco ACI rollout (major initiative)</li><li>NAC deployment</li><li>Azure/cloud initiatives</li><li>Ongoing city site expansions</li></ul>Environment<ul><li>Hybrid</li><li>On-call rotation (1 week every 6-7 weeks)</li><li>Must be onsite during on-call week</li><li>Must be able to reach downtown Baltimore within 1 hour for emergencies</li></ul>Target Candidates<ul><li>Network Engineers</li><li>Infrastructure Engineers</li><li>Enterprise networking backgrounds</li><li>Government, healthcare, higher ed, large enterprise environments</li></ul>Avoid<ul><li>Junior Network Admins</li><li>Candidates looking for a step-up role</li><li>Firewall-light candidates</li><li>Candidates living too far from Baltimore</li><li>CCIE-level candidates likely exceed budget</li></ul>Team<ul><li>~7 Network Engineers</li><li>Hiring Manager: Teddy</li><li>Director: Eric French</li></ul>Compensation<ul><li>Contract-to-Hire</li><li>Conversion possible but not guaranteed</li><li>Budget targeted closer to strong CCNP-level talent</li></ul>Process<ul><li>High-priority opening</li><li>Ready to interview immediately</li><li>Submit through BCIT careers inbox</li></ul>
2026-10-19T00:00:00Z

Senior Systems Administrator

Chantilly, VA
onsite
Temporary / Contract
64 - 83.7 USD / Hourly
Senior Systems AdministratorLocation: Chantilly, VA (3 days onsite)OverviewWe are seeking a Senior Systems Administrator with strong Microsoft cloud administration experience to manage and support our Azure and Microsoft 365 environment. This role is heavily focused on cloud technologies rather than traditional on-premises infrastructure and will be responsible for administering identity, email, security, and collaboration platforms.Responsibilities<ul><li>Administer and support Microsoft Azure and Entra ID environments.</li><li>Manage user accounts, permissions, Single Sign-On (SSO), and identity access governance.</li><li>Serve as the primary administrator for Microsoft 365 and the O365 Admin Center.</li><li>Manage Exchange Online, including mailbox administration, mail flow rules, and domain allow/block lists.</li><li>Administer Microsoft Defender security tools and respond to security-related requests.</li><li>Support and optimize cloud-based systems, policies, and processes.</li><li>Assist with SharePoint and Intune administration as needed.</li><li>Work with networking and security teams to manage firewall policies and access rules (not at a dedicated Network Engineer level).</li><li>Participate in occasional travel to support business and IT initiatives.</li></ul>Required Qualifications<ul><li>Strong hands-on experience administering Azure and Entra ID.</li><li>Experience managing Microsoft 365 environments beyond basic user provisioning and deprovisioning.</li><li>Exchange Online administration experience, including transport rules and domain management.</li><li>Experience with Microsoft Defender.</li><li>Solid understanding of cloud-first infrastructure and administration.</li></ul>Preferred Qualifications<ul><li>Experience with SharePoint Online.</li><li>Experience with Microsoft Intune.</li><li>Familiarity with firewall administration and network security policies.</li><li>Knowledge of CMMC compliance requirements and best practices.</li></ul>Target Profile: A senior-level Microsoft cloud administrator who can independently manage Azure, Entra ID, Microsoft 365, Exchange Online, and Defender in a cloud-centric environment.
2026-10-13T00:00:00Z

Systems Admin / Tier 3 Support

Baltimore, MD
onsite
Temporary / Contract
39.5865 - 45.837 USD / Hourly
We are looking for an experienced Systems Admin / Tier-3 Support specialist to join a healthcare-focused organization in Baltimore, Maryland. This Long-term Contract opportunity is ideal for someone who thrives in a hands-on technical environment, takes initiative, and can provide advanced support across core infrastructure and end-user systems. The role supports a distributed organization with a sizable user base and multiple sites, requiring strong expertise in Microsoft technologies, endpoint administration, and hybrid identity management. You will work closely with a collaborative IT team while serving as a senior escalation point and helping strengthen day-to-day operational stability. Responsibilities: • Oversee administration of core IT platforms, including help desk tools, endpoint management solutions, backup systems, and patch deployment processes. • Maintain and support a hybrid identity environment with a strong emphasis on on-premises Active Directory, including user and computer administration, group policy management, permissions, and security group oversight. • Manage Microsoft 365 administration tasks such as identity configuration, portal administration, synchronization with Azure AD, conditional access, and group-based settings. • Perform advanced troubleshooting and resolution for escalated infrastructure, systems, and endpoint issues across a multi-site environment. • Support ongoing server and workstation maintenance to help ensure reliable performance, system availability, and compliance with operational standards. • Contribute to cloud adoption efforts by identifying and assisting with opportunities to transition appropriate on-premises services to cloud-based platforms. • Handle selected security and configuration-related activities as part of broader systems administration responsibilities. • Provide guidance and technical mentorship to entry-level IT team members while acting as a senior resource for complex support needs.
2026-10-14T00:00:00Z

Systems Engineer

Arlington, VA
onsite
Temporary to Hire
59.375 - 68.75 USD / Hourly
We are seeking a Systems Engineer to join our professional services team located in Arlington, Virginia, 22201, United States. In this role, you will be involved in a variety of tasks including independent projects to enhance or rectify issues within our IT infrastructure, daily management of servers and networks, and collaboration with the IT Help Desk to ensure superior customer service. Responsibilities: • Execute independent projects to augment functionality or resolve problems within the IT infrastructure • Participate in the daily management, monitoring, and maintenance of servers, networks, and other infrastructure technology • Collaborate with the IT Help Desk and its team members to ensure the highest degree of customer service • Regularly report to IT Management on network performance, incident trends, projects, problems, and activities • Act as the Problem Owner for IT system faults, including issue identification, coordination of staff, and vendors to assist in problem resolution • Create departmental and team procedures, installation documentation, and work instructions as needed • Perform monthly patching of Windows servers and laptops • Assist other technicians and IT team members with installation, configuration, maintenance, and troubleshooting problems • Monitor and report on daily system backups • Assist in managing the user environment, actively monitoring corporate servers and applications • Work as needed on IT projects to ensure customer needs are met in a courteous and professional manner. This role offers a contract to hire employment opportunity.
2026-10-01T00:00:00Z

Linux/Unix Systems Engineer

Washington D.c., DC
onsite
Temporary / Contract
52 - 57 USD / Hourly
We are looking for a Linux/Unix Systems Engineer to serve as the technical authority for a large enterprise Linux environment. This role will lead the design, engineering, modernization, security, and operational support of Red Hat Enterprise Linux (RHEL) and Oracle Linux platforms. Key Responsibilities:· Design and maintain enterprise Linux infrastructure including RHEL and Oracle Linux environments.· Develop and manage automation and configuration management solutions using Ansible, Ansible Automation Platform, and Red Hat Satellite.· Lead operating system lifecycle management, upgrades, and migration initiatives across RHEL platforms.· Establish and maintain security hardening standards aligned with CIS Benchmarks, DISA STIGs, FISMA, and NIST 800-53 requirements.· Design and test high availability, backup, disaster recovery, and capacity planning solutions.· Act as the senior escalation point for complex Linux platform incidents and critical outages.· Lead root cause analysis efforts and drive remediation strategies.· Mentor junior administrators and provide technical guidance across the team.· Participate in architecture reviews, change control boards, and technical planning sessions.· Develop and maintain engineering documentation, SOPs, and design standards.· Install, configure, monitor, and maintain Linux-based servers and systems.· Manage system performance, patching, vulnerability remediation, and compliance activities.· Troubleshoot hardware, software, networking, and infrastructure issues.· Support scheduled maintenance activities, upgrades, and after-hours incident response as needed.
2026-10-22T00:00:00Z

6 results for Network Security Administrator in Tysons, VA