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Systems Administrator - UNIX

Agile Defense • Digital Government • Managed Security • On-call duty • Bachelor's Degree • Secret • 7 days ago
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Salary
$70k – $74k per year
Location
In office (Fort Huachuca)
Seniority
Middle · 4+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 13, 2026. First seen by Alion on Oct 6, 2026. Agile Defense scores B on the Alion truth index.

Overview
Company
Impact
Profile match

Agile Defense

Agile Defense is an American government technology services company that has grown rapidly through acquisition into a mid-tier federal contractor, backed by the private equity firm Enlightenment Capital. It provides digital transformation, cloud and infrastructure services, cyber operations, artificial intelligence and mission support to defence, intelligence and civilian agencies, largely through cleared staff embedded with government programme offices. Headquartered in McLean, Virginia, it competes in the segment between the very large primes and the small business set-aside contractors, where consolidation has been rapid.
agiledefense.com • HQ: McLean, United States • Digital Government • Managed Security • Cloud Consulting & Migration • IT Consulting & Digital Transformation • 1001-5000 employees • Est. 1998
Tech stack of Agile Defense
Backed by Enlightenment Capital

Requisition #: 1906

Job Title: Systems Administrator - UNIX

Location: Fort Huachuca, AZ, Onsite

Clearance Level: Secret, Must Have Clearance to Start

Required Certification(s):

  • DoW 8140 Compliance - CompTIA Security+ or Cloud+, GICSP, GSEC, Systems Security Certified Practitioner
  • Certifications in RedHat Linux or Unix OS administration

Essential Job Duties

    Responsibilities include:

  • System Administration: Install, configure, and maintain servers running RedHat Linux operating systems, adhering to established internal processes.
  • Upgrades and Maintenance: Recommend hardware and software upgrades based on growth statistics. Schedule, plan, and perform system upgrades, including coordinating the transition from test to production environments.
  • Monitoring and Performance: Monitor log files and system performance to identify and resolve software, operating system, and networking problems in mission-critical systems.
  • Backups and Recovery: Schedule, perform, and monitor system backups and, when necessary, perform data recoveries.
  • Hardware Configura tion: Configure hardware, such as workstations, printers, servers, and tape devices.
  • Support: Participate in an on-call rotation to provide timely support for UNIX/Linux-related issues and provide general technical support for system users.
  • Security Compliance: Follow standard operating procedures to maintain and enhance the security posture of the environment, including adherence to the DISA STIG (Security Technical Implementation Guide) process.
  • Task Automation: Schedule tasks using software support tools and scripts.
  • Collaboration & Prioritization: Work both independently and as part of a team to achieve organizational goals, effectively setting priorities and organizing tasks to meet deadlines.

Qualifications

  • Bachelor's in computer science, Cybersecurity, Data Science, Information Systems, Information Technology, or Software Engineering

  • 0 years of experience with BS/BA

  • 2 years of experience with AA/AS

  • 4 years of experience with no degree

  • DoW 8140 Compliance - CompTIA Security+ or Cloud+, GICSP, GSEC, Systems Security Certified Practitioner
  • Certifications in RedHat Linux or Unix OS administration
  • Active Secret US security clearance
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