Linux Systems Administrator (TS/SCI + Poly) - Enterprise Ops

J T; Annapolis (MD); On-site; USD 118,000 - 142,000; Full time

Benefits offered by this job

Health, Dental, Vision Insurance

401(k) Retirement Plan

Tuition Reimbursement

Paid Time Off and Holidays

Job summary

J T is seeking an experienced Linux System Administrator (Level 2) in Annapolis Junction, MD, to provide comprehensive systems administration and infrastructure support. The role covers enterprise Linux and Windows environments, with Tier 1/2 support, hardware installations, and secure data transfer workflows.

The ideal candidate has an active TS/SCI clearance with polygraph, a technical degree or equivalent experience, and hands-on expertise with Linux, servers, and virtualization technologies.

Qualifications

• Active TS/SCI clearance with a current Polygraph.
• Bachelor’s degree plus 10+ years of Systems Administration experience, or 15 years without a degree.
• Hands-on Linux administration across CentOS 7, Rocky Linux 9, RHEL 9.
• Experience with hardware installs, upgrades, and STE data transfer workflows.

Responsibilities

• Configure and maintain Linux (CentOS 7, Rocky 9, RHEL 9) and Windows OSes.
• Handle Tier 1/2 troubleshooting, incidents, and escalations.
• Perform hardware/workstation/server installations and migrations.
• Support Secure the Enterprise (STE) secure data transfer processes.
• Optimize resources and perform capacity planning and performance analysis.
• Manage ticket escalations and provide feedback to stakeholders.
• Ensure network components and OS improvements are in place.

Skills

TS/SCI clearance

Linux system administration

Windows environments

Server hardware installs

Education

Bachelor’s degree in technical discipline

15 years experience without a degree

Tools

Ansible

PXE provisioning

Proxmox

LDAP/IDM integration

TLS certificates

Job description

J T is seeking an experienced Linux System Administrator (Level 2) in Annapolis Junction, MD, to provide comprehensive systems administration and infrastructure support. The role covers enterprise Linux and Windows environments, with Tier 1/2 support, hardware installations, and secure data transfer workflows.

The ideal candidate has an active TS/SCI clearance with polygraph, a technical degree or equivalent experience, and hands-on expertise with Linux, servers, and virtualization technologies.