TS/SCI Systems Administrator: Secure DoD IC Ops

Honu Services; Washington (District of Columbia); On-site; USD 125,000 - 135,000; Full time

Benefits offered by this job

Medical, dental, vision, disability, &

401(k)

PTO

Paid parental leave

Tuition reimbursement

Paid federal holidays

Job summary

Galapagos Federal Systems, LLC is seeking a Systems Administrator to support enterprise IT across classified and unclassified environments for DoD/IC missions, focusing on security, availability, and RMF compliance with STIGs and security controls.

The role requires administering Windows and UNIX systems, Active Directory and Group Policy, Microsoft 365, Exchange, and SharePoint, plus backup, monitoring, and incident response, with TS/SCI clearance.

Qualifications

• Active TS/SCI clearance required.
• 5+ years DoD/IC systems administration experience.
• Strong Windows Server, UNIX/Linux, AD/GP knowledge.
• Experience with RMF, STIGs, and DCSA standards.
• Willingness to support after-hours operations.

Responsibilities

• Administer UNIX and Windows servers in classified and unclassified environments.
• Maintain AD/Group Policy, patch management, and security configurations.
• Provide Tier 1 and 2 incident resolution and support.
• Support RMF lifecycle activities and STIG compliance reviews.
• Manage backups, recovery, and system monitoring.
• Coordinate with cybersecurity teams to maintain system authorization and readiness.
• Assist in security documentation and system policy development.

Skills

TS/SCI clearance

5+ years DoD/IC experience

Windows security

UNIX/Linux admin

AD/GP administration

RMF/STIGs

Microsoft 365/Exchange/SharePoint

Backup/Recovery

Classified IT environments

After-hours work

Education

Bachelor’s degree in IT/CS/Information Systems or related

DoD 8140 education/certification requirement

Equivalent experience accepted

Tools

Microsoft 365

Exchange

SharePoint

Job description

Galapagos Federal Systems, LLC is seeking a Systems Administrator to support enterprise IT across classified and unclassified environments for DoD/IC missions, focusing on security, availability, and RMF compliance with STIGs and security controls.

The role requires administering Windows and UNIX systems, Active Directory and Group Policy, Microsoft 365, Exchange, and SharePoint, plus backup, monitoring, and incident response, with TS/SCI clearance.