Systems Administrator - UNIX

Agile Defense, Inc.; Fort Huachuca (AZ); On-site; USD 90,000 - 130,000; Full time

Job summary

Agile Defense, Inc. is seeking a Systems Administrator - UNIX at Fort Huachuca, AZ. The role centers on installing, configuring, and maintaining RedHat Linux servers with DISA STIG compliance and on-call UNIX/Linux support.

You will perform upgrades, backups, monitoring, and hardware configuration while collaborating with a team to meet mission-critical objectives in a secured environment.

Qualifications

• System Administration: Install, configure, and maintain servers running RedHat Linux operating systems.
• Upgrades and Maintenance: Schedule, plan, and perform system upgrades and transitions to production.
• Monitoring and Performance: Monitor logs and system performance to resolve issues in mission-critical systems.
• Backups and Recovery: Schedule and monitor backups and perform data recoveries when needed.
• Hardware Configuration: Configure hardware including workstations, printers, servers, and tape devices.
• Support: Participate in on-call rotation for UNIX/Linux-related issues and user support.
• Security Compliance: Follow DISA STIG procedures to maintain security posture.
• Task Automation: Schedule tasks using tools and scripts.
• Collaboration & Prioritization: Work independently and in teams to meet deadlines.

Responsibilities

• Install, configure, and maintain RedHat Linux servers per internal processes.
• Plan and perform upgrades, coordinating test to production transitions.
• Monitor logs and performance to identify and resolve issues in mission-critical systems.
• Schedule and monitor backups, perform data recoveries when necessary.
• Configure hardware like workstations, servers, and tape devices.
• Provide on-call UNIX/Linux support and general technical assistance.
• Adhere to DISA STIG procedures to enhance security posture.
• Schedule tasks with support tools and scripts.
• Collaborate with team to set priorities and meet deadlines.

Skills

System Administration

Upgrades and Maintenance

Monitoring and Performance

Backups and Recovery

Hardware Configuration

Support

Security Compliance

Task Automation

Collaboration & Prioritization

Education

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

DoW 8140 Compliance – Security+ or Cloud+, GICSP, GSEC, or CISSP-like certs

RedHat Linux or Unix OS administration certifications

Job description

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

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 Configuration: 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

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 Configuration: 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

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.