TS/SCI Systems Administrator — Enterprise IT & Security

Galapagos Federal Systems LLC.; Washington (District of Columbia); On-site; USD 125,000 - 135,000; Full time

Benefits offered by this job

Medical, dental, vision coverage

401(k) plan

Paid time off

Paid parental leave

Tuition reimbursement

Flexible spending accounts

Paid federal holidays

Job summary

Galapagos Federal Systems LLC is seeking a skilled Systems Administrator to manage enterprise IT across DoD/IC environments, ensuring availability, security, and performance of Windows, UNIX/Linux, AD, and related infrastructure.

You will support RMF lifecycle, implement STIGs, manage Microsoft 365, Exchange, and SharePoint, and provide Tier 1/2 incident response, with after-hours readiness as required.

Qualifications

• Active TS/SCI clearance required.
• 5+ years in DoD/IC systems administration.
• Experience with Windows, UNIX/Linux, AD and Group Policy.
• Familiarity with RMF, STIGs, DCSA standards, and patch management.
• Experience with Microsoft 365, Exchange, and SharePoint.
• Willingness to support after-hours/on-call.

Responsibilities

• Perform system administration and account management.
• Administer desktop and server systems in networks.
• Manage OS security configurations and maintenance.
• Provide Tier 1 and 2 incident support.
• Configure and secure Windows and UNIX/Linux OS.
• Support RMF lifecycle and security controls.

Skills

TS/SCI clearance

DoD/IC experience

Windows security

UNIX/Linux admin

Active Directory/Group Policy

RMF/STIGs/DCSA standards

Microsoft 365/Exchange/SharePoint

Backup/recovery

After-hours support

Classified IT environments

Education

Bachelor’s degree in IT/CS/IS/Cybersecurity

DoD 8140 education/cert requirements

CompTIA Security+ CE

CompTIA Server+

Microsoft Windows Server/Azure certs

Linux+ / UNIX/Linux cert

Tools

Active Directory

Group Policy

SCC

Microsoft 365

Exchange

SharePoint

Backup software

Job description

Galapagos Federal Systems LLC is seeking a skilled Systems Administrator to manage enterprise IT across DoD/IC environments, ensuring availability, security, and performance of Windows, UNIX/Linux, AD, and related infrastructure.

You will support RMF lifecycle, implement STIGs, manage Microsoft 365, Exchange, and SharePoint, and provide Tier 1/2 incident response, with after-hours readiness as required.