Senior Windows Systems Admin – DoD Secure Infra, Kauai

Amentum; Waimea/Kamuela (HI); On-site; USD 135,000 - 150,000; Full time

Benefits offered by this job

Health, dental, and vision insurance

Paid time off and holidays

401(k) retirement matching

Educational reimbursement

Parental leave

Employee stock purchase plan

Tax-saving options

Disability and life insurance

Pet insurance

Job summary

Amentum seeks a Senior Windows Systems Administrator on Kauai, HI to oversee enterprise Microsoft infrastructure supporting Navy DoW operations. The role demands RMF/NIST expertise, security compliance, and leadership of admins across classified and unclassified networks.

Responsibilities include AD/DNS/DHCP, GPOs, patch management, MECM/VMware/Nutanix, PowerShell scripting, and backup/recovery. Top Secret clearance required; relocation assistance may apply.

Qualifications

• Two years of System Administration/IT experience.
• Advance certifications may be substituted for a degree or experience.
• Proficiency in automation tools and scripting (PowerShell, Bash, Python).
• VMware/Nutanix certification.
• Knowledge/Administration of Trellix, LogRhythm, and MDE.
• Experience with DoW systems and infrastructure.
• Knowledge of Cyber Security Methods and Techniques.
• Knowledge of DoW IT systems, including Windows, RHEL, and comprehensive infrastructure concepts.

Responsibilities

• Administer and maintain Windows Server environments in classified and unclassified networks.
• Manage Active Directory, DNS, DHCP, and GPOs across domains.
• Implement RMF security controls and ensure DISA STIGs compliance.
• Apply patches in accordance with DoW and Navy policies.
• Manage imaging with MECM, VMware, Nutanix.
• Perform system hardening and vulnerability remediation with ACAS/ESS/SCAP.
• Develop PowerShell scripts for automation.
• Support VMware/Hyper-V virtualization and lifecycle management.
• Collaborate with cybersecurity teams on ATO/POA&Ms/audit readiness.
• Maintain documentation and SOPs.
• Mentor junior staff and participate in CCBs/CMBs.
• Assist with incident response and disaster recovery.

Skills

PowerShell

Bash

Python

Education

Bachelor's Degree in CS or related field

8 years exp substitute for degree

Tools

VMware

Nutanix

ACAS

ESS

SCAP

Trellix

LogRhythm

MDE

Job description

Amentum seeks a Senior Windows Systems Administrator on Kauai, HI to oversee enterprise Microsoft infrastructure supporting Navy DoW operations. The role demands RMF/NIST expertise, security compliance, and leadership of admins across classified and unclassified networks.

Responsibilities include AD/DNS/DHCP, GPOs, patch management, MECM/VMware/Nutanix, PowerShell scripting, and backup/recovery. Top Secret clearance required; relocation assistance may apply.