CMAC Systems Administrator - NISSC - CMSFS

Amentum; Colorado Springs (CO); On-site; USD 85,000 - 100,000; Full time

Benefits offered by this job

Health, dental, and vision insurance

401(k) matching retirement

Paid time off and holidays

Educational reimbursement

Parental leave

Employee stock purchase plan

Tax-saving options

Disability and life insurance

Pet insurance

Job summary

Amentum is seeking a CMAC Systems Administrator to support NORAD IT at Cheyenne Mountain Space Force Station, Colorado. The role requires TS/SCI eligibility, significant Linux/Windows expertise, VMware proficiency, and strong networking know-how.

On-site work and potential travel up to 10% are expected. Responsibilities include OS installation, patching, backup/recovery, system monitoring, and collaboration with IT teams to maintain critical C2 and ITW/AA capabilities.

Qualifications

• The candidate must hold an active Top Secret with SCI eligibility.
• 5+ years of general work experience and 2+ years in related roles are required.
• Experience with Red Hat Linux, Windows OS, VMware, and network tech is essential.

Responsibilities

• Install OS software, patches, and upgrades.
• Troubleshoot and resolve system hardware, software, and networking issues.
• Configure, optimize, and monitor OS and hardware.
• Perform backups, recovery, and server builds.
• Provide admin support for databases, configs, and system interfaces.
• Manage file servers and network access, documenting anomalies.
• Coordinate upgrades and maintenance; travel as needed.
• Offer guidance and training; back up other admins.
• Order replacement hardware/software and handle warranty claims.

Skills

Red Hat Enterprise Linux

Windows Server Administration

VMware

LAN/WAN networking

System backups & recovery

Education

AS degree in computer field

VCP/VCAP

Tools

Remote Desktop

Remedy trouble-ticket

Job description

Position Title: CMAC Systems Administrator

Location: Cheyenne Mountain Space Force Station, Colorado

Relocation Assistance: None available at this time

Remote/Telework: NO - Not available for this position

Clearance Type: Top Secret with SCI Eligibility

Shift: Shift Work may be required

Travel Required: Up to 10% of the time

Our NORAD Operations Group

Selected by the Air Force Life Cycle Management Center’s Strategic Warning and Surveillance Systems Division for Operations, Maintenance, and Sustainment (OM&S) of critical mission systems to support the North American Aerospace Defense Command (NORAD) Cheyenne Mountain Complex (NCMC) Integrated Tactical Warning/Attack Assessment (ITW/AA) and Space Support Contract II (NISSC II).

Since 2020, through NISSC II, has provided:

• Operations, maintenance, and Sustainment of current and legacy systems for the surveillance and cataloging of manmade objects in space.
• Mitigation of orbital conflicts.
• Threat warnings and control from airborne, land-based, and space-based systems for threat activities.
• Operations and maintenance of classified communications.
• Software development and integration.

NISSC II supports the classified communications and processing for Command and Control (C2) capability and legacy space C2 systems located at:

• Cheyenne Mountain Space Force Station (CMSFS), Colorado
• Peterson Space Force Base (PSFB), Colorado
• Offutt Air Force Base, Nebraska
• Vandenberg Space Force Base, California
• Numerous sensor and forward operator sites around the world

Description of Duties

The CMAC Systems Administrator supports North American Aerospace Defense Command (NORAD) Cheyenne Mountain Complex (NCMC) Integrated Tactical Warning/Attack Assessment (ITW/AA) and Space Support Contract II (NISSC II). The candidate will:

• 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 provides 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 $85,000-$100,000 annually; depending on experience, education, and any certifications that are directly related to the position.

This position will be filled and work onsite at Cheyenne Mountain Space Force Station, Colorado

Basic Requirements

• Must have an active Top Secret with SCI eligibility
• 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.

Desired Requirements

• AS degree in a 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.

The position for which you are applying requires a US Department of Defense security clearance. This is to advise you that if you possess dual citizenship (i.e., a citizen of the US and another country), to be granted a clearance, you will be required to relinquish your citizenship in the foreign country.

Compensation Details

$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.

Benefits Overview

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.

Original Posting

08/18/2026 - 08/25/2026

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.