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11 results for Systems Security Administrator in San Antonio, TX

Systems Security Administrator
  • San Antonio, TX
  • onsite
  • Permanent
  • 52000.00 - 70000.00 USD / Yearly
  • Support enterprise electronic security platforms including Access Control, Video Surveillance (CCTV), Emergency Communications, Infant/Pediatric Protection (RFID), Intrusion Alarm, and Visitor Management systems<br><br>Configure and maintain application-level system settings, user permissions, and device integrations<br><br>Perform system testing, validation, and deployment of vendor-supported upgrades and patches<br><br>Monitor scheduled data exchanges between electronic security systems and enterprise applications<br><br>Generate operational reports, audits, and system performance metrics<br><br>Coordinate service restoration and troubleshooting with the Help Desk, Network Services, and vendors<br><br>Support vendors and contractors during physical system installations, expansions, and upgrades<br><br>Participate in IT service management processes related to incident response, problem resolution, and system changes<br><br>Provide after-hours and on-call support for electronic security systems operations as required<br><br>Required IT & Technical Skills<br>Electronic Security Systems (ESS) / Physical Security Technology<br><br>Access Control – Software House CCure 9000<br><br>Video Management Systems – Milestone<br><br>Emergency Communications – Zenitel Stentofon<br><br>RTLS / RFID Infant & Pediatric Protection, Staff Duress – CenTrak<br><br>Intrusion Alarm Systems – DSC<br><br>Visitor Management Systems – HID SAFE<br><br>Windows Server (system hosting and application support)<br><br>Virtualized server environments (VMware vSphere)<br><br>Enterprise server hardware support (Cisco UCS, Dell)<br><br>Network fundamentals related to system connectivity (IP addressing, VLAN awareness)<br><br>Microsoft endpoint and systems management tools for application support purposes
  • 2026-02-04T17:21:55Z
Systems Administrator
  • Boerne, TX
  • onsite
  • Permanent
  • 65000.00 - 79000.00 USD / Yearly
  • We are looking for a highly skilled Systems Administrator to join our team in Boerne, Texas. This role requires a proactive individual with expertise in managing diverse operating systems, ensuring system security, and driving automation processes. The ideal candidate will possess strong technical knowledge, excellent problem-solving skills, and a commitment to maintaining robust and secure IT infrastructure.<br><br>Responsibilities:<br>• Oversee the administration and maintenance of multiple operating systems, including Windows Server, Windows 10/11, Linux, macOS, and Chrome OS.<br>• Manage endpoint protection and deployment tools such as Microsoft Intune, Jamf Pro, and Active Directory.<br>• Ensure the security of IT systems by addressing vulnerabilities, performing malware remediation, and implementing hardening measures.<br>• Develop and maintain backup procedures to safeguard data and support disaster recovery plans.<br>• Configure and manage enterprise virtualization platforms, such as VMware vSphere.<br>• Collaborate with teams to provide advanced troubleshooting for network protocols and system issues.<br>• Automate processes and reporting using PowerShell and other scripting languages to enhance efficiency.<br>• Provide expert support for messaging services, including Microsoft 365, Exchange Online, and Google Admin Console.<br>• Monitor and maintain network-attached devices, ensuring optimal functionality.<br>• Deliver documentation, reporting, and technical training to support organizational goals.
  • 2026-01-15T14:28:51Z
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.<br><br>Responsibilities:<br>• Monitor network performance to identify and resolve issues, ensuring optimal operation.<br>• Implement necessary software updates and hardware upgrades for improved network functionality.<br>• Configure and document network components, including firewalls, routers, switches, and hubs, to meet organizational needs.<br>• Provide technical support and assistance to staff, administrators, vendors, and other personnel.<br>• Respond promptly to inquiries and troubleshoot network-related problems.<br>• Collaborate with service providers and external vendors to maintain and enhance network infrastructure.<br>• Manage and deploy Cisco Layer 2 and Layer 3 technologies to support network security and efficiency.<br>• Maintain detailed records and documentation for all network configurations and changes.<br>• Ensure compliance with security protocols and best practices across all network systems.
  • 2026-02-02T14:38:41Z
Systems Administrator
  • San Antonio, TX
  • onsite
  • Contract / Temporary to Hire
  • 35.00 - 38.50 USD / Hourly
  • We are looking for an experienced Systems Administrator to join our team in San Antonio, Texas. This contract position offers an excellent opportunity to manage and maintain essential IT systems while contributing to the overall efficiency of operations. The ideal candidate will have a strong background in system administration and a proven ability to support a variety of platforms and tools.<br><br>Responsibilities:<br>• Perform daily system administration tasks, including provisioning, installation, configuration, patching, and maintenance of hardware and software systems.<br>• Manage and support Windows Active Directory environments, including storage, network infrastructure, and backup systems.<br>• Operate and maintain monitoring and management tools such as Microsoft system tools.<br>• Communicate complex technical concepts effectively to non-technical team members and stakeholders.<br>• Administer and provide support for virtualization platforms, including Microsoft Hyper-V and VMware vCenter.<br>• Develop and utilize PowerShell scripts to enhance system automation and efficiency.<br>• Ensure system reliability and performance by conducting regular assessments and troubleshooting issues.<br>• Collaborate with other IT professionals to optimize system operations and resolve technical challenges.<br>• Contribute to the planning and implementation of infrastructure upgrades and improvements.
  • 2026-02-02T16:18:38Z
Linux Administrator
  • Austin, TX
  • onsite
  • Temporary
  • 40.00 - 50.00 USD / Hourly
  • <p><strong>Robert Half</strong> is actively partnering with an Austin-based client to identify a <strong>Linux Administrator</strong> <strong>(contract).</strong> In this role, you will help protect the integrity of our systems while contributing to the evolution of our overall technology strategy. <strong>This role is onsite in Austin, Tx. </strong></p><p><br></p><p><strong>Key Responsibilities:</strong></p><ul><li>Unified Communications Oversight: Manage, configure, and enhance enterprise communication platforms, including VoIP systems, SIP-based services, and cloud-hosted telephony solutions.</li><li>System Management: Support and maintain a wide range of on‑premise, server-hosted, and cloud-based software environments, including collaboration platforms such as Google Workspace and Slack.</li><li>Advanced Technical Support: Deliver Tier 2 support for internal teams and external partners, troubleshooting complex system and communication-related issues.</li><li>Security Coordination: Partner with security teams to address threats and ensure compliance, utilizing tools such as endpoint protection and device security platforms.</li><li>Infrastructure Collaboration: Escalate and coordinate issues with specialized teams—such as DevOps or Infrastructure—when needed.</li><li>Hardware & Lifecycle Operations: Evaluate, procure, and support IT and communication hardware throughout its full lifecycle.</li></ul>
  • 2026-01-26T23:48:40Z
Database Administrator
  • Austin, TX
  • remote
  • Temporary
  • - USD / Hourly
  • <p>We are looking for a highly skilled Database Administrator to join our team. In this role, you will play a pivotal part in managing HR data processes, ensuring seamless data extraction, transformation, and integration across multiple platforms. As this is a long-term contract position, you will have the opportunity to contribute to both project-based initiatives and ongoing operational tasks.</p><p><br></p><p>Responsibilities:</p><p>• Lead the extraction, cleansing, and validation of HR data from multiple systems to ensure accuracy and completeness.</p><p>• Oversee the preparation and transformation of data for successful integration into new platforms.</p><p>• Develop and maintain frameworks for data migration, ensuring repeatable and efficient processes.</p><p>• Act as the primary expert for system data integrity and stability across various platforms.</p><p>• Monitor and optimize database performance, identifying and resolving issues proactively.</p><p>• Collaborate with cross-functional teams to ensure seamless data flow and system compatibility.</p><p>• Conduct regular audits to maintain data quality and reliability.</p><p>• Provide technical support for HR technology systems, troubleshooting and resolving issues as needed.</p><p>• Design and implement strategies for database performance tuning and optimization.</p><p>• Stay updated on industry best practices and emerging technologies to enhance system capabilities</p>
  • 2026-01-22T12:48:52Z
Network Engineer
  • San Antonio, TX
  • onsite
  • Contract / Temporary to Hire
  • 47.50 - 55.00 USD / Hourly
  • We are looking for an experienced Network Engineer to join our team in San Antonio, Texas. In this Contract to permanent position, you will play a key role in designing, optimizing, and maintaining network infrastructure and security across the organization. This role offers an exciting opportunity to collaborate with diverse teams and contribute to the efficiency and reliability of enterprise-level networks.<br><br>Responsibilities:<br>• Design, configure, and maintain network services to ensure optimal performance and reliability.<br>• Analyze and resolve complex network and infrastructure issues, providing advanced troubleshooting support.<br>• Respond to escalated network-related tickets and conduct root cause analysis to prevent future occurrences.<br>• Collaborate with cross-functional teams to implement secure and efficient network solutions.<br>• Develop automation tools to streamline network provisioning and administration processes.<br>• Identify opportunities for improving network infrastructure and security, presenting recommendations to management.<br>• Create and maintain detailed documentation and procedures for network engineering and administration.<br>• Plan, test, and configure network infrastructure and security systems to support organizational needs.<br>• Mentor and guide team members, fostering knowledge sharing and skill development.
  • 2026-01-30T08:08:56Z
Network/Systems Engineer
  • San Antonio, TX
  • onsite
  • Permanent
  • 70000.00 - 80000.00 USD / Yearly
  • We are looking for a skilled Network/Systems Engineer to join our team in San Antonio, Texas. In this role, you will provide advanced technical support, troubleshoot complex software issues, and ensure efficient computer and network management for clients. Your expertise in Windows Server, Microsoft Intune, and computer networking will be vital in maintaining a robust IT infrastructure and delivering exceptional service.<br><br>Responsibilities:<br>• Act as the primary escalation point for resolving advanced technical issues and support tickets.<br>• Manage and update support tickets daily while maintaining clear communication with clients regarding resolutions.<br>• Provide guidance and assistance to Level 1 support associates to enhance their troubleshooting skills.<br>• Collaborate with IT Help Desk teams and audit IT software to ensure compliance and efficiency.<br>• Configure and maintain network systems, including routing, switching, and firewall technologies.<br>• Deploy and manage server environments to ensure optimal performance and reliability.<br>• Utilize tools such as Microsoft Intune, Azure Active Directory, and VMware to streamline system operations.<br>• Implement and manage backup solutions, security protocols, and disaster recovery systems.<br>• Optimize network performance by configuring VLANs, IP addressing, and DNS systems.<br>• Maintain documentation for IT systems using platforms like IT Glue and other administrative tools.
  • 2026-02-05T21:54:03Z
Infrastructure Manager/Engineer
  • San Antonio, TX
  • onsite
  • Contract / Temporary to Hire
  • 35.00 - 42.00 USD / Hourly
  • <p>We are seeking a <strong>hands-on Infrastructure Manager</strong> to support a large education-focused organization in the <strong>San Antonio area</strong>. This position is <strong>fully onsite</strong> and offered on a <strong>temp-to-hire</strong> basis. The ideal candidate is a strong technical generalist who can operate at both a strategic and tactical level while supporting a diverse end-user environment.</p><p>Key Responsibilities</p><ul><li>Deliver <strong>Level II and Level III</strong> support for systems, servers, and end-user workstations</li><li>Oversee and respond to alerts from endpoint protection and security platforms</li><li>Monitor and maintain on-prem and cloud-based server environments, ensuring availability and performance</li><li>Administer and support <strong>Google Workspace</strong> environments for staff and students</li><li>Support application lifecycle activities including deployment, updates, integrations, and license management</li><li>Participate in planning and execution of district-wide systems integrations and infrastructure initiatives</li><li>Manage and maintain <strong>mobile device management (MDM)</strong> for organization-owned devices</li><li>Support filtering and content control systems for student devices, both on-site and remote</li><li>Maintain and support <strong>backup and disaster recovery</strong> solutions and related hardware</li><li>Assist with system security reviews, audits, and investigative efforts</li><li>Configure, deploy, and maintain <strong>camera servers and surveillance services</strong></li><li>Maintain Active Directory, file shares, and system filtering protocols</li><li>Create, update, and deploy system images across environments</li><li>Test and evaluate new hardware, software, and support tools prior to rollout</li><li>Assist with computer lab builds, refreshes, and upgrade projects</li><li>Support student online testing initiatives, including readiness assessments</li><li>Deploy, manage, and maintain on-site testing cache servers</li><li>Develop and update technical documentation and standard operating procedures</li><li>Coordinate with third-party vendors for system access, troubleshooting, and issue resolution (remote and onsite)</li><li>Assist with vendor scope-of-work definition and technical validation</li><li>Provide end-user support and issue resolution via email, phone, and other electronic communication channels</li></ul><p>Technical Skills & Experience</p><p>To be successful in this role, candidates should demonstrate experience with:</p><ul><li>Windows and macOS environments</li><li>Windows Server (2012–2019)</li><li>Active Directory administration</li><li>Cloud and on-prem infrastructure support</li><li>Moderate networking knowledge (routing, switching, and basic troubleshooting)</li><li>Aruba networking equipment</li><li>Routers, switches, and firewall technologies</li><li>Firewall platforms such as <strong>Palo Alto or Fortinet</strong> (configuration or programming experience is a plus)</li><li>Endpoint and internet security tools</li><li>Command-line fundamentals across <strong>Windows, Linux, and Unix</strong> systems</li><li>Standard productivity and internet-based software platforms</li></ul><p><br></p>
  • 2026-01-30T04:24:01Z
IT Specialist
  • San Antonio, TX
  • onsite
  • Permanent
  • 50000.00 - 60000.00 USD / Yearly
  • We are looking for an experienced IT Specialist to join our team in San Antonio, Texas. In this role, you will be responsible for managing and maintaining computer systems, networks, and servers to ensure smooth and efficient operations. The ideal candidate will possess strong technical expertise, excellent communication skills, and the ability to work both independently and collaboratively.<br><br>Responsibilities:<br>• Provide technical support and troubleshoot issues related to hardware, software, and network systems.<br>• Install, configure, and maintain computer hardware, operating systems, and applications.<br>• Manage and monitor servers, networks, and hyper-converged clusters to ensure optimal performance.<br>• Set up and maintain user accounts and directory permissions.<br>• Implement and manage firewalls, port security, and network switches.<br>• Conduct regular system updates and ensure the security of IT infrastructure.<br>• Collaborate with team members and vendors to resolve technical challenges efficiently.<br>• Support the configuration and operation of Microsoft Office 365 and other organizational software.<br>• Manage and maintain virtual desktop environments and Citrix technologies.<br>• Perform preventative maintenance and handle emergency repairs as needed.
  • 2026-01-20T20:48:39Z
IT Manager
  • San Antonio, TX
  • onsite
  • Permanent
  • 140000.00 - 165000.00 USD / Yearly
  • We are looking for an experienced IT Manager to oversee and enhance our organization's technology operations in San Antonio, Texas. This role requires a strategic leader with a strong technical foundation and expertise in networking, virtualization, backup solutions, and enterprise platforms such as JD Edwards. The successful candidate will drive innovation, ensure system reliability, and provide leadership to the IT team.<br><br>Responsibilities:<br>• Manage and maintain the organization's IT systems to ensure optimal performance, security, and reliability.<br>• Oversee Cisco networking infrastructure, including configuration and maintenance of routers, switches, firewalls, and VPNs.<br>• Administer enterprise resource planning systems such as JD Edwards, collaborating with stakeholders to streamline processes.<br>• Implement and manage VMware virtualization environments to support scalability and operational efficiency.<br>• Develop and execute backup strategies using Veeam to safeguard organizational data and ensure disaster recovery readiness.<br>• Lead vendor selection and negotiation processes to obtain quality services while optimizing costs.<br>• Establish and enforce IT policies, procedures, and best practices that align with business objectives.<br>• Manage IT budgets, resources, and project timelines to ensure successful delivery of initiatives.<br>• Provide technical leadership and mentorship to the IT team, encouraging continuous growth and improvement.<br>• Ensure compliance with relevant regulatory standards and industry best practices.
  • 2026-01-08T17:19:04Z