CMAC Systems Administrator - NISSC - COS

The supports North American Aerospace Defense Command (NORAD) on the Integrated Tactical Warning/Attack Assessment (ITW/AA) and Space Support Contract II (NISSC II). The candidate will:

• Serves as a backup to lead computer systems administrator and provide guidance, direction, and training to others in the group.
• Build and/or debug complicated hardware and software to correct difficult problems using technically advanced problem-solving skills.
• Develop and implement system documentation and operating procedures. Identifies and corrects processing anomalies.
• Install operating system software, patches, and upgrades.
• Analyze, troubleshoot, and resolve system hardware, software, and networking issues.
• Configure, optimize, fine-tune, and monitor operating system software and hardware.
• Perform system backups, recovery, and server builds.
• Provide systems administrator support to systems hosting complex operational databases, software configuration control, and system interfaces for computer systems.
• Manage file servers and network access to include analyzing, troubleshooting, and documenting system anomalies.
• Perform and provides server, workstation, and system expertise including on-site and off-site travel.
• Coordinate and schedules system upgrades and maintenance.
• Provide guidance, direction, and training to others in the group. Serves as backup to other computer systems administrators.
• Perform and provide server and workstation expertise including on-site and off-site travel.
• Order replacement of new hardware and software including warranty claims.

This position is expected to pay annually; depending on experience, education, and any certifications that are directly related to the position.

This position will be filled and work onsite at

• Active TS with SCI eligibility is required
• 5 years or more of general work experience
• 2 years or more of directly related experience
• Current DoD IAT Level II or higher (Sec+)
• Working knowledge and system administration experience with Red Hat Enterprise Linux environments; Microsoft Windows operating systems (OS) administration and associated hardware; VMWare and system visualization; and Local Area Network (LAN) and Wide Area Network (WAN) technologies.
• Red-hat or Linux experience/knowledge.
• Understanding virtual machine and Remote Desktop.
• Windows System Administration experience or Background with SPADOC or space situational analysis/space orbital.

• AS degree in computer field.
• VCP/VCAP
• Cyber and Space Operations experience.
• Basic understanding of network topologies and protocols.
• Remedy trouble ticket experience.

This position will be posted for a minimum of 3 days. If a candidate has not been selected at that time, it will continue to be posted until a suitable candidate is selected or the position is closed.

Our health and welfare benefits are designed to invest in you, and in the things you care about. Your health. Your well-being. Your security. Your future. Typical benefits offered include flexible work schedules, educational reimbursement, retirement benefits (401K match), employee stock purchase plan, health benefits, tax saving options, disability benefits, life and accident insurance, voluntary benefits, paid time off and paid holidays, and parental leave.

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$85,000-$100,000

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.


07/13/2026 - 07/21/2026
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 .