IT Systems Administrator

Amentum•Kaneohe, HI

1d•Onsite

About The Position

Amentum is hiring an IT Systems Administrator to provide enterprise IT, network, systems administration, and technical support to the U.S. Pacific Command (US PACOM) Requirements and Resources Directorate (J8). The role supports mission-critical Department of War information systems and networks in a classified operational environment for warfighter experimentation. The administrator provides hands-on support for servers, workstations, networks, applications, and communications infrastructure; troubleshoots hardware and software issues; implements configuration and security requirements; and collaborates with government personnel, military users, cybersecurity teams, and technical organizations to maintain reliable, secure IT services. The position is assigned to MCAS Kaneohe Bay, Hawaii, directly supports the J83 Edge Theater Architecture (ETA) team, and reports administratively to the Amentum Project Lead. It may require after-hours, on-call, exercise, or operational support based on mission requirements. Applicants must have an active Top Secret clearance; SCI eligibility is required later during employment. U.S. citizenship is required to obtain a Top Secret clearance. The hiring salary range is $140,000–$160,000, with actual compensation determined by factors including education, experience, skills, internal equity, and market data. Amentum offers a competitive benefits package, which may vary by employment type, location, and applicable agreements.

Requirements

Bachelor’s degree in Information Technology, Computer Science, Information Systems, Cybersecurity, Engineering, or a related technical field, or an equivalent combination of education, training, and experience.
At least 3 years of professional IT experience in systems administration, network administration, infrastructure support, enterprise IT, or a related discipline.
Current Security+, CCNA, CySA+, CASP+/SecurityX, CISSP, or another DoD 8140-recognized certification appropriate to the position.
Demonstrated experience supporting Windows and/or other operating systems.
Working knowledge of TCP/IP networking, DNS, DHCP, routing, switching, and network troubleshooting.
Experience with Active Directory and enterprise user/account administration.
Experience troubleshooting hardware, software, operating-system, and network problems.
Ability to document technical issues, solutions, configurations, and procedures clearly.
Ability to work independently and as part of a multidisciplinary technical team.
Ability to communicate effectively with technical and non-technical personnel.
Ability to work in a controlled classified environment and comply with DoD security requirements.
Ability to obtain and maintain additional certifications or qualifications required for the assigned DoD 8140/DCWF work role.
Active Top Secret security clearance; SCI eligibility later during employment.
U.S. citizenship, required to obtain a Top Secret clearance.

Nice To Haves

At least 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.
Familiarity with Joint, DoW, and US PACOM policies, procedures, and mission-support requirements.

Responsibilities

Administer, operate, monitor, and maintain DoD enterprise IT systems, networks, servers, and end-user computing environments.
Install, configure, upgrade, troubleshoot, and maintain Windows and/or other operating systems and associated applications.
Support LAN/WAN, routing, switching, DNS, DHCP, Active Directory, virtualization, storage, and enterprise services.
Diagnose and resolve complex hardware, software, network, and connectivity problems.
Perform system configuration, account administration, access management, patching, backups, and system recovery.
Support cybersecurity requirements, vulnerability remediation, security configuration, auditing, and system hardening.
Maintain technical documentation, system diagrams, standard operating procedures, configuration records, and troubleshooting guides.
Monitor system performance and availability and identify potential operational or security issues.
Coordinate with cybersecurity, network operations, service desk, systems engineering, and infrastructure teams.
Support implementation of approved technical solutions and changes in accordance with DoD policies and organizational procedures.
Provide technical assistance to military, government civilian, and contractor personnel.
Participate in incident response, problem management, change management, and continuity-of-operations activities.
Provide after-hours, on-call, exercise, or operational support when required by mission requirements.
Perform other IT duties as assigned in support of US PACOM mission requirements.