Linux Systems Administrator - TS​/SCI W​/Poly

Purpose and Impact

Be a part of a team actively manage enterprise computer systems and networks, analyzing technical issues, and developing and implementing corrective actions.

• Actively manage enterprise computer systems and networks, analyzing technical issues, and developing and implementing corrective actions.
• Observe and interpret visual outputs indicating the operating status of systems and network components for designated computer network infrastructure.
• Translate user requests into technical diagnoses, then apply diagnoses to develop technical solutions to meet user needs.
• Develop strategies to migrate existing customers to new architecture/technology with minimal impact.
• Evaluate new technologies or equipment that can be added to Agency standard solutions.

• Must have experience in network or system administration.
• Strong Linux experience.
• Experience in systems/network administration, application administration, and/or information technology support or management. Experience supporting hardware installation, such as servers and network infrastructure.
• Experience setting up storage such as network‑attached storage.
• Experience implementing security best practices to include PKI certificate generation, deployment and maintenance. Knowledge of Unix shell scripting languages like Bash, Bourne, or
  
  C.

Clearance Required:

TS/SCI Poly

• Bachelor's degree plus 5-years of relevant experience, or Master's degree plus 3-years of relevant experience or an Associate's degree plus 7-years of relevant experience or high school diploma/GED plus 9-years of relevant experience may be considered.
• Degree must be in Network Engineering, Systems Engineering, Information Technology or related

• DoD 8570.1 compliant IAM Level I certification.

• JavaScript, React, experience migrating existing applications to newer technologies, experience working directly with customers to implement solutions for their processes.

$140,000 - $153,000

The compensation range or hourly rate listed for this position is provided as a good‑faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.

Our health and welfare benefits are designed to support you and your priorities. Offerings include:

• Health, dental, and vision insurance
• Paid time off and holidays
• Retirement benefits (including 401(k) matching)
• Educational reimbursement
• Parental leave
• Employee stock purchase plan
• Tax‑saving options
• Disability and life insurance
• Pet insurance

Note:

Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara‑O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.

02/10/2026 - Until Filled

Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law.

Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.