TS/SCI Systems Administrator – Windows & Network

SteelGate LLC; Honolulu (HI); On-site; USD 105,000 - 118,000; Full time

Benefits offered by this job

401(k) matching

Dental insurance

Health insurance

Paid time off

Professional development assistance

Vision insurance

Job summary

SteelGate LLC is seeking a System Administrator to manage Windows server environments and network infrastructure at Ft. Shafter, Hawaii. An active TS/SCI clearance and DoD 8570 IAT II certification are required, with 3+ years of related experience in system and network administration.

The role emphasizes strong problem-solving, cross-functional communication, and efficient backup/recovery management under tight deadlines. Full-time position with competitive benefits in a DoD-focused setting.

Qualifications

• Active TS/SCI clearance is mandatory.
• DoD 8570 IAT Level II certification required or equivalent.
• 3+ years in system and network administration and related roles.

Responsibilities

• Manage Windows physical and virtual server environments.
• Oversee network infrastructure including routers, switches, and firewalls.
• Administer user accounts, permissions, and access controls across systems.

Skills

TS/SCI clearance

IAT Level II

Windows Admin

Network Admin

Backup & Recovery

Documentation

Communication

Kanban/Agile

Security+ / CISSP / ITIL

Education

Bachelor’s degree in IT/CS

Associate’s degree + 4 years experience

HS diploma + 6 years experience

Tools

Cisco routers/firewalls

Windows Server & virtualization

Network switches

Job description

SteelGate LLC is seeking a System Administrator to manage Windows server environments and network infrastructure at Ft. Shafter, Hawaii. An active TS/SCI clearance and DoD 8570 IAT II certification are required, with 3+ years of related experience in system and network administration.

The role emphasizes strong problem-solving, cross-functional communication, and efficient backup/recovery management under tight deadlines. Full-time position with competitive benefits in a DoD-focused setting.