About This Role
This System Administrator Professional role supports the Space Force Range Contract (SFRC) by configuring, managing, and troubleshooting a variety of systems and network infrastructure. The position involves providing expert-level technical support, proactively monitoring system performance, and ensuring cybersecurity measures are implemented and maintained in accordance with Department of Defense (DoD) directives.
Responsibilities
- Configure, manage, and troubleshoot a variety of systems, including Windows and Linux servers and workstations, as well as network infrastructure such as routers, switches, and firewalls
- Provide expert-level technical support to identify, analyze, and resolve complex hardware, software, and network issues
- Serve as an escalation point for user-reported problems (Tier 1 and 2)
- Proactively monitor system performance, resource utilization, and network traffic to identify and address potential issues
- Perform routine preventative maintenance, backups, and recovery operations to ensure data integrity and operational continuity
- Work with the Cybersecurity team to implement and maintain cybersecurity measures in accordance with Department of Defense (DoD) directives
- Apply Security Technical Implementation Guides (STIGs)
- Manage vulnerabilities
- Respond to incidents
- Ensure systems maintain their Authority to Operate (ATO) under the Risk Management Framework (RMF)
- Write procedures and/or reports, as applicable, to support existing or new processes, or as required to summarize data collected during engineering level testing
- Perform other tasks as assigned
Requirements
- Bachelor’s degree in information technology, computer science, cybersecurity, or a related field and three years of relevant experience; or an equivalent combination of education, professional certifications, training, and seven years of progressively responsible systems administration experience
- 3+ years’ work experience in Information Technology
- A current DoD 8140 IAT Level II (or higher) certification (CompTIA Security+ CE, etc.)
- Strong experience with both Windows and Linux operating systems
- Hands-on experience with network hardware (e.g. HP, Cisco, Juniper, Palo Alto, Cornet, NetAcquire) and enterprise services (Active Directory, DNS, DHCP)
- Experience with managing and maintaining virtual server platforms
- Proficiency in Microsoft Office products
- Ability to communicate effectively in both oral and written form
- Ability to quickly identify and solve technical problems
- Ability to lift 50lbs
- Ability to support occasional travel
- Flexibility to work non-duty hours and weekends to support specific project or mission requirements
- Must possess or be able to obtain and maintain a DoD Secret Security Clearance, which includes U.S. citizenship
- Valid U.S. Driver’s License
Nice to have:
- Other certifications such as CCNA, MCSA, or specific Linux/VMware credentials
- Experience with or knowledge of serial data communications, fiber optics, multiplexing, data switching, digital voice systems and Time Division Multiplexing (TDM) technologies
- Experience with various types of test equipment including but not limited to cable testers, tone generators and probes, network analyzers, signal verifiers and multifunctional network test devices
- Knowledge of or experienced in Western Range operations at Vandenberg Space Force Base
Benefits
- 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
Important Details
- Original Posting: 10/08/2026 - Until Filled
About the Company
Amentum is proud to be an Equal Opportunity Employer.
