Senior Linux Systems Engineer | Security & Ops Leader

Themis Insight, LLC.; Fort Meade (MD); On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Competitive health plans

401k contribution

Paid holidays and 25 days PTO

Career development and training

Employee referral bonuses

Job summary

Themis Insight, LLC. is seeking a Principal System Administrator (Linux) to support IT system implementation, troubleshooting, and maintenance at Fort Meade, MD vicinity. The role requires TS/SCI with polygraph and extensive UNIX/Linux administration experience.

You will manage day-to-day operations, perform patching, CAP planning, and coordinate with ISSO/ISO for security posture and system changes. Strong ITSM and ITIL 4 credentials are essential for success.

Qualifications

• Bachelor’s degree in a technical discipline or equivalent SA experience.
• Fifteen years of SA experience in similar programs is preferred.
• Six years of ITSM experience is required.
• ITIL 4 certification is required.
• Proficiency with Linux, patching, and cloud/infra tools (AWS, Terraform).

Responsibilities

• Provide support for implementation, troubleshooting and maintenance of IT systems.
• Configure and manage UNIX, Linux and Windows operating systems and network components.
• Implement IAVA security patches and track patch status.
• Support escalation communications to agency management and internal customers.
• Optimize system operations and resource utilization and perform capacity planning.
• Collaborate with ISSO/ISO on Change and Configuration Management.

Skills

Linux

Patching

AWS

GitLab/GitHub

Terraform

Service Management (ITSM)

ITIL 4

Scripting

Education

Bachelor’s degree in a technical discipline

ITIL 4 certification

Tools

Confluence

VMware

Job description

Themis Insight, LLC. is seeking a Principal System Administrator (Linux) to support IT system implementation, troubleshooting, and maintenance at Fort Meade, MD vicinity. The role requires TS/SCI with polygraph and extensive UNIX/Linux administration experience.

You will manage day-to-day operations, perform patching, CAP planning, and coordinate with ISSO/ISO for security posture and system changes. Strong ITSM and ITIL 4 credentials are essential for success.