System Administrator (TS/SCI) — Secure IT Ops & Growth

Themis Insight, LLC; Fort Meade (MD); On-site; USD 90,000 - 140,000; Full time

Benefits offered by this job

Health, dental & vision premiums paid

401k with 6% company match

25 days PTO + 11 holidays

Career development & training

Employee referral bonuses

Job summary

Themis Insight, LLC seeks a System Administrator to support IT systems at Ft. Meade, MD. The role requires TS/SCI with Poly and involves day-to-day operations, troubleshooting, and escalation handling for UNIX/Windows environments, networks, and servers.

You’ll work across tiers to keep infrastructure reliable and secure. Responsibilities include user support, capacity planning, and system optimization, with preferred experience in ELK, VMware, and SELinux.

Qualifications

• Five (5) years of SA experience in similar scope required; Bachelor’s degree may substitute with five extra years.
• Two (2) years of experience with system security tools and configurations.
• Experience with UNIX/Windows systems, networks, and IT infrastructure.

Responsibilities

• Provide Tier 1 (Help Desk) and Tier 2 (Escalation) support for IT systems.
• Manage daily activities of configuration and operation of IT systems.
• Assist users in accessing and using IT systems.
• Monitor and resolve problems across client/server/storage/network devices and mobile devices.
• Configure and manage UNIX and Windows OS; install and optimize system software.
• Communicate status updates to management and internal customers.

Skills

Analytical thinking

Team collaboration

Education

Bachelor's degree in a technical discipline

Tools

ELK

Tripwire

VMware

RedHat SELinux

Job description

Themis Insight, LLC seeks a System Administrator to support IT systems at Ft. Meade, MD. The role requires TS/SCI with Poly and involves day-to-day operations, troubleshooting, and escalation handling for UNIX/Windows environments, networks, and servers.

You’ll work across tiers to keep infrastructure reliable and secure. Responsibilities include user support, capacity planning, and system optimization, with preferred experience in ELK, VMware, and SELinux.