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Systems Administrator

Job in Fairfax, Fairfax County, Virginia, 22032, USA
Listing for: General Dynamics Information Technology
Full Time position
Listed on 2026-06-26
Job specializations:
  • IT/Tech
    Systems Administrator, Cybersecurity
Salary/Wage Range or Industry Benchmark: 60000 - 80000 USD Yearly USD 60000.00 80000.00 YEAR
Job Description & How to Apply Below

SYSTEMS ADMINISTRATOR

Advance how our customers operate while you advance your career. Join GDIT as a Systems Administrator and build an impactful career in enterprise IT, collaborating with people who are driven and resourceful like you.

MEANINGFUL WORK AND PERSONAL IMPACT

As a Junior Systems Administrator, the work you’ll do at GDIT will be impactful to the mission of Homeland Security Task Force. You will play a crucial role in carrying forward the mission to target, disrupt, and dismantle priority Transnational Criminal Organizations and cartels.

  • Support Windows and Linux systems across on‑premises and virtual environments with a potential to migrate to cloud
  • Help ensure availability, performance, and security of systems and data in accordance with contract, security, and compliance requirements
  • Utilize Windows and Linux administration skills, develop scripts and drive Dev Sec Ops  methodology of the customer mission
ESSENTIAL DUTIES AND RESPONSIBILITIES
  • Assist with installation, configuration, and maintenance of Windows and Linux servers in physical and virtual environments supporting law enforcement missions.
  • Support administration of Active Directory and other core services (DNS, DHCP, file/print, identity).
  • Monitor on‑premises for health, performance, and capacity; assist in troubleshooting incidents to maintain high availability and meet SLAs.
  • Perform routine maintenance, including OS patching, software updates, and basic backup operations, following customer change management and approval processes.
  • Assist with planning and executing system upgrades, migrations, and deployments in data centers, ensuring minimal impact to mission operations.
  • Apply and verify security patches, hardening baselines, and configuration standards for Windows, and Linux resources in alignment with applicable law enforcement, DoD, and GDIT security policies.
  • Implement and follow established security controls (least privilege, role‑based access, MFA, logging/monitoring) to protect systems and sensitive law enforcement data.
  • Support security audits, inspections, and assessments by providing system and cloud environment data and implementing remediation steps as directed.
  • Support backup, restore, and continuity procedures for on‑premises and virtualized environments; assist in periodic testing to validate data integrity and availability.
  • Contribute to development and maintenance of disaster recovery plans for critical systems and law enforcement applications; participate in DR and business continuity exercises.
  • Provide tier‑1/2 support to users and IT staff for hardware, software, and system issues, including mission‑critical law enforcement applications and tools.
  • Maintain accurate, access‑controlled documentation of system configurations, architectures, procedures, and changes to meet audit and chain‑of‑custody requirements.
  • Assist in generating reports on system performance, capacity utilization, patch and compliance status, and security events relevant to the law enforcement environment.
  • Coordinate with security, network, database, application, and cloud teams to support secure and compliant delivery of IT services to the law enforcement customer.
  • Follow all applicable physical, personnel, and information security procedures for cleared environments, including incident and adverse information reporting as required.
  • May assist in drafting or updating IT procedures and job aids to reflect customer‑specific and classified environment requirements.
  • Perform additional duties as assigned.
WHAT YOU’LL NEED TO SUCCEED

Bring your technology expertise and drive for innovation to GDIT. The Systems Administrator must have:

  • Education:

    Bachelor's Degree in Computer Science, Information Systems or a related field
  • Experience:

    1+ years of related experience, degree may be substituted with equivalent years of training
  • Technical skills:
    Windows, Linux administration, shell scripting, Manage Engine monitoring, supporting users and systems in secure or regulated environments preferred, exposure to cloud services.
  • Security clearance level:
    Active Secret clearance required
  • US citizenship required
  • Role requirements:

    Active Directory, DNS, DHCP, system health…
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