Systems Administrator - UNIX
Agile Defense
Listing collected from Agile Defense's career site. NextChapter is independent of Agile Defense.
Fort Huachuca, AZ · $70k–$74k a year · Posted October 6, 2026
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Pay compared with the market
This listing pays about $72,000 a year. Across 57 open systems administrator listings that state pay, the middle half runs $81,500 to $117,500 and the median is $100,000. That is 28% below the median, below the middle half of those listings.
Listed pay is what employers advertise, not what people are paid.
Systems Administrator salaries by state · Check your own pay
How AI is used in this kind of work
Among database administrators, AI is already used for a large share of the tasks. Measured exposure for database administrators: 33% (high).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
Skills this job asks for
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About the job
About Agile Defense
At Agile Defense we know that action defines the outcome and new challenges require new solutions. That’s why we always look to the future and embrace change with an unmovable spirit and the courage to build for what comes next.
Our vision is to bring adaptive innovation to support our nation's most important missions through the seamless integration of advanced technologies, elite minds, and unparalleled agility—leveraging a foundation of speed, flexibility, and ingenuity to strengthen and protect our nation’s vital interests.
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
Our Core Values
Employees of Agile Defense are our number one priority, and the importance we place on our culture here is fundamental. Our culture is alive and evolving, but it always stays true to its roots. Here, you are valued as a family member, and we believe that we can accomplish great things together. Agile Defense has been highly successful in the past few years due to our employees and the culture we create together.
What makes us Agile? We call it the 6Hs, the values that define our culture and guide everything we do. Together, these values infuse vibrancy, integrity, and a tireless work ethic into advancing the most important national security and critical civilian missions. It's how we show up every day. It's who we are.
Happy - Be Infectious. Happiness multiplies and creates a positive and connected environment where motivation and satisfaction have an outsized effect on everything we do. Helpful - Be Supportive. Being helpful is the foundation of teamwork, resulting in a supportive atmosphere where collaboration flourishes, and collective success is celebrated. Honest - Be Trustworthy.Honesty serves as our compass, ensuring transparent communication and ethical conduct, essential to who we are and the complex domains we support. Humble - Be Grounded.Success is not achieved alone, humility ensures a culture of mutual respect, encouraging open communication, and a willingness to learn from one another and take on any task. Hungry - Be Eager.Our hunger for excellence drives an insatiable appetite for innovation and continuous improvement, propelling us forward in the face of new and unprecedented challenges. Hustle - Be Driven.Hustle is reflected in our relentless work ethic, where we are each committed to going above and beyond to advance the mission and achieve success.
Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities