Systems Administrator (Senior-Level)

Vets Hired

  • Sierra Vista, Arizona
  • 13 days ago

    Highlights

    Support cybersecurity operations, including RMF requirements, security controls, vulnerability assessments, continuous monitoring, and ATO compliance. Provide Tier II/III technical support, including workstation deployment, peripheral support, user account administration, and technical training.

    Numbers & Facts

    LocationSierra Vista, Arizona
    Websitehttps://x.com/VetsHiredAi

    Description

    Job Summary

    • Administer, maintain, and support physical and virtual Windows, Linux/UNIX, and Active Directory server environments.
    • Install, configure, patch, upgrade, and maintain operating systems, applications, and enterprise services.
    • Monitor system and network performance and troubleshoot hardware, software, connectivity, and operational issues.
    • Provide Tier II/III technical support, including workstation deployment, peripheral support, user account administration, and technical training.
    • Manage user accounts, permissions, privileged access, and authentication services.
    • Administer network infrastructure including routers, switches, firewalls, encryptors, LAN/WAN connectivity, and copper/fiber cabling systems.
    • Maintain network documentation, configurations, port assignments, uptime, traffic, and network health.
    • Support cybersecurity operations, including RMF requirements, security controls, vulnerability assessments, continuous monitoring, and ATO compliance.
    • Respond to cybersecurity incidents, malware infections, and classified spillage events.
    • Perform backup, recovery, contingency, and disaster recovery procedures.
    • Coordinate with vendors, government stakeholders, and support organizations to resolve technical issues.
    • Support system modernization, technology evaluations, lifecycle replacement, testing, and implementation of new technologies.
    • Prepare technical briefings, reports, recommendations, and analysis for leadership and stakeholders.
    • Develop and maintain SOPs, configuration records, troubleshooting guides, and technical documentation.
    • Identify process improvements, automation opportunities, and operational efficiencies.

    Qualifications

    • Active DoD Top Secret Clearance required.
    • 8+ years of enterprise IT systems administration experience.
    • Experience with Windows/Linux servers, virtualization, Active Directory, and network infrastructure.
    • IAT Level II certification or higher under DoD 8570/8140.
    • Experience with Microsoft Windows Server, Active Directory, Group Policy, and VMware vSphere/ESXi.
    • Knowledge of enterprise network management, monitoring, and troubleshooting.
    • Ability to install, configure, maintain, and troubleshoot network, server, and communications technologies.

    Working Place:

    Sierra Vista, Arizona, United States

    Company :

    2026 Sept 10th IT/CYber - Link Solutions

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