IT Systems Administrator

Preferred Qualifications:

• 5+ years of IT experience supporting DoW, Joint, military, intelligence, or other federal environments.
• Experience supporting classified networks or systems.
• Experience with DISA security technical implementation guidance (STIGs).
• Experience with vulnerability scanning, remediation, and cybersecurity compliance.
• Experience with VMware or other enterprise virtualization technologies.
• Experience with Microsoft Active Directory, Group Policy, Windows Server, and Microsoft 365/enterprise collaboration technologies.
• Experience with enterprise network equipment, including routers and switches.
• Experience with network monitoring and management tools.
• Experience with backup, disaster recovery, and continuity-of-operations systems.
• Experience supporting enterprise ticketing and IT service-management processes.
• Experience working with ServiceNow or comparable IT service-management platforms.
• Experience with scripting or automation using PowerShell, Python, or similar tools.
• Current TS/SCI eligibility or access.
• Prior experience supporting a Combatant Command, Joint Staff, Service component, or other operational military headquarters is highly desirable.
• Familiarity with Joint, DoW, and US PACOM policies, procedures, and mission-support requirements.
• Compensation & Benefits
• HIRING SALARY RANGE: $140K - $160K (Salary to be determined by the education, experience, knowledge, skills, and abilities of the applicant internal equity, and alignment with market data.)
• This position includes a competitive benefits package. For more detailed information on our Benefits and what it is like to work for Amentum: please visit our careers site: www.amentumcareers.com
• Compensation Details:
• $140,000 - $160,000
• 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:
• 10/16/2026 - 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.