Systems Administrator (Windows)

Amentum; Waimea/Kamuela (HI); On-site; USD 90,000 - 110,000; Full time

Benefits offered by this job

Health, dental, and vision insurance

Paid time off and holidays

401(k) matching

Educational reimbursement

Parental leave

Employee stock purchase plan

Disability and life insurance

Pet insurance

Job summary

Amentum seeks a Systems Administrator (Windows) to support the Pacific Missile Range Facility networks in Kauai, HI. The role administers Windows Server environments, manages AD/DNS/DHCP and GPOs, and enforces RMF/CYBER policies across classified and unclassified networks.

Responsibilities include patching, imaging, scripting, and virtualization support. Collaboration with cybersecurity teams and incident response are essential, with site visits and occasional at-sea duties.

Qualifications

• Associate's degree required; substitution: high school diploma with 4 years of IT/SysAdmin experience accepted.
• 1 year of System Administration/IT experience required; related work may substitute for degree.
• Must understand IT systems and advanced infrastructure concepts.
• Must be proficient with PC hardware, software and office equipment.

Responsibilities

• Administer and maintain Windows Server environments across Navy networks (classified and unclassified).
• Manage Active Directory, DNS, DHCP, and GPOs across domains.
• Implement RMF security controls and ensure DISA STIGs compliance.
• Apply and manage patches per DoW and Navy patch policies.
• Manage imaging and deployment using SCCM, VMware, and Nutanix.
• Develop PowerShell scripts to automate admin tasks.
• Support virtualization platforms (VMware, Hyper-V) and lifecycle of VMs.
• Coordinate with cybersecurity teams for ATO packages and audit readiness.
• Maintain documentation, baselines, and SOPs; participate in CCBs/CMBs.
• Assist with incident response, forensic analysis, and disaster recovery planning.

Skills

Windows Server administration

Active Directory

PowerShell scripting

VMware

Nutanix

RMF/DoD cybersecurity controls

Patch management

Group Policy Objects

Troubleshooting

Backup/Disaster recovery concepts

Education

Associate's degree

Tools

SCCM

MECM

Nutanix

VMware

Job description

Amentum is seeking a Systems Administrator (Windows) for a position in Kauai, HI. Provides Windows system administration for all Clients and Servers connected to the Pacific Missile Range Facility (PMRF) classified and unclassified networks. Deploys Cyber Security mandated system upgrades, system patches, and system security lockdown requirements. Performs system wide troubleshooting and problem resolution in a live mission environment.

Responsibilities

• Administer and maintain Microsoft Windows Server environments in classified and unclassified environments across Navy networks.

• Manage Active Directory, DNS, DHCP, and Group Policy Objects (GPOs) across multiple domains and enclaves.

• Implement and maintain RMF security controls and ensure systems are compliant with DISA STIGs and DoW cybersecurity policies.

• Apply and manage patches and updates across all Microsoft systems in accordance with DoW and Navy patch management policies.

• Manage automated installation methods and system imaging (e.g., SCCM, VMware, Nutanix)

• Perform system hardening, patching, and vulnerability remediation using tools such as ACAS, ESS, and SCAP.

• Develop and maintain PowerShell scripts for automation of administrative tasks and system configuration.

• Support virtualization platforms (VMware, Hyper-V) and manage virtual infrastructure lifecycle.

• Collaborate with cybersecurity teams to support ATO packages, POA&Ms, and audit readiness.

• Maintain system documentation, configuration baselines, and standard operating procedures (SOPs).

• Participate in Change Control Boards (CCBs) and Configuration Management Boards (CMBs).

• Assist with incident response, forensic analysis, and system recovery efforts.

• Support backup and disaster recovery strategies using enterprise tools (e.g., Veeam, Commvault).

Additional Responsibilities

• General office environment with site visits as well as periodic "at sea" duty to support the PMRF's Mobile at Sea Sensor system (MATSS)

• Candidate must be capable of working in a team environment and participate in technical and system administrative activities throughout project life cycles.

• Lifting/Pulling/Pushing: Over 50 lbs. (two-men assist)

• Work Positions: walking or standing, crawling, kneeling, cramped, and work requiring repeated stooping, sitting, and/or frequent stair climbing

• Environmental: Customer Contact, Extended Workday, Confined Work Area, Office Laboratory, Field Assignment, Inclement Weather

Minimum Qualifications

Education

• Associate's degree

• Substitution: A high school diploma or equivalent with 4 years of System Administration/IT experience may be substituted for the associates degree requirement.

Experience

• One year of System Administration/IT experience - Years of directly related work experience may be substituted for a degree

• Knowledge of IT systems and advance IT infrastructure concepts

• Must be proficient in operating personal computers, computer software and standard office equipment

• Must have basic keyboarding skills and aptitude for neatness and accuracy in sorting

• Critical thinking - Proven problem solver

Required Training, Licenses and Certifications: (subject to change based on industry, DoD, or local policy requirements)

• DOD 8570.1M IAT Level II required prior to start

• One of the following OS Certifications required prior to start:

Azure Administrator Associate (Exam AZ-104)

Windows Server Hybrid Administrator Associate (Exam AZ-800 and AZ-801)

• Advance certifications may be substituted for a degree or experience

Preferred Qualifications

• Advance knowledge and certification in both Windows Server and RHEL is considered highly desired

• Proficiency in automation tools and scripting (e.g., PowerShell, Bash, Python)

• VMware/Nutanix certification

• Knowledge/Administration of Trellix, LogRhythm, and MDE

• Experience with MECM

• Knowledge in Cyber Security Methods and Techniques

• Knowledge of DoW IT systems, to include Windows, RHEL, and comprehensive infrastructure concepts

Security Clearance

Must be able to obtain and maintain a Top Secret US Government Clearance. Note: US Citizenship is required to obtain and maintain a Top Secret Clearance. Applicants selected either must currently possess a Top Secret clearance or will be subject to a US Government Security Investigation and must meet eligibility requirements to obtain clearance prior to commencement of employment and maintain a security clearance for access to classified information or Closed/Restricted Areas throughout duration of employment.

Compensation Details:

$90K - $110K

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.

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.