Senior Linux Systems Admin | TS/SCI with Poly

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

Benefits offered by this job

Health, Dental, and Vision Insurance

Basic Life and Disability Insurance

PTO and Paid Holidays

401(k) Retirement Plan with Company匹

Tuition Reimbursement

Job summary

J&T in Annapolis Junction, MD seeks an experienced Linux System Administrator (Level 2) to manage enterprise Linux and Windows environments, handle Tier 1/2 escalations, upgrades, and hardware installations. The role emphasizes STE compliance, secure data transfer workflows, and proactive capacity planning to ensure system reliability and performance.

Qualified candidates have a TS/SCI clearance with polygraph, a technical degree or equivalent experience (10+ years with degree or 15 years

Qualifications

• Active TS/SCI clearance with current Polygraph.
• Bachelor's degree in a technical discipline plus 10+ years of Systems Administration experience on similar scopes, OR 15 years experience without a degree.
• Experience with CentOS 7, Rocky Linux 9, and Red Hat Enterprise Linux (RHEL 9).
• Experience with physical server/workstation installations and hardware troubleshooting.
• Familiarity with Secure the Enterprise (STE) tasks and data transfer workflows.

Responsibilities

• Configure, manage, patch, and maintain enterprise Linux (CentOS 7, Rocky 9, RHEL 9) and Windows OS.
• Provide Tier 1 and 2 troubleshooting for client, server, storage, and network components.
• Execute hardware/software installations, upgrades, and migrations for servers/workstations/laptops.
• Support STE requirements and secure data transfer workflows.
• Optimize system operations and resource allocation; perform capacity planning and performance analysis.
• Manage ticket escalations and provide feedback to stakeholders; track hardware dispatch resolution.
• Configure and maintain network component integrity and OS enhancements.

Skills

Linux administration

Troubleshooting

Customer communication

Security awareness

Education

Bachelor's degree in a technical discipline

15 years of Systems Administration experience without a degree

Job description

J&T in Annapolis Junction, MD seeks an experienced Linux System Administrator (Level 2) to manage enterprise Linux and Windows environments, handle Tier 1/2 escalations, upgrades, and hardware installations. The role emphasizes STE compliance, secure data transfer workflows, and proactive capacity planning to ensure system reliability and performance.

Qualified candidates have a TS/SCI clearance with polygraph, a technical degree or equivalent experience (10+ years with degree or 15 years