Sigma Defense
1742 - Junior System Administrator
$70K–$90K
Wahiawa, Hawaii · Full-time · Posted Oct 27, 2026
- Experience
- 1–2 years in an IT help desk or technical support role.
- Education
- Bachelor's degree from an accredited college or university in Computer Science or a related field of study.
- Visa sponsorship
- Must be a U.S. citizen.
About the job
Provides Tier 1–2 help desk support and assists with Windows system administration to maintain reliable IT services for end users.
What you'll do
- Troubleshoot hardware, software, network, and Windows device issues; escalate as needed.
- Assist with Windows Server administration, user accounts, group policies, permissions, and routine maintenance.
- Track incidents and documentation, maintain IT asset inventory, and support onboarding and offboarding.
What they ask for
- Strong customer service and written/verbal communication skills.
- Basic hands-on experience with Windows Server environments, including Active Directory and Group Policy; familiarity with Windows 10/11 administration and troubleshooting.
- Understanding of networking fundamentals, including TCP/IP, DNS, and DHCP.
- Must be a U.S. citizen and possess or be able to obtain a Top Secret security clearance or higher.
Pay
$70,000 - $90,000 annually (base salary)
Tools
Windows Server, Active Directory, Group Policy, Windows 10/11, TCP/IP, DNS, DHCP
Model-written summary · the original posting is authoritative