Senior Linux Systems Engineer – TS/SCI Clearance

Unknown Company; United States; On-site; USD 125,000 - 240,000; Full time

Benefits offered by this job

Health benefits

Paid time off

401K plan

Job summary

Navstar is an award‑winning organization that has a proven track record of providing IT services and solutions on mission‑focused programs supporting National Security.

The role requires TS/SCI with Polygraph, 5+ years providing IT support, and hands‑on Linux OS experience including STIG implementation and AD integration in Linux. Expect monitoring, incident resolution, and collaboration with senior staff across sites.

Qualifications

• Active TS/SCI clearance with Polygraph within last 6 years.
• 5+ years of hands-on IT customer service experience.
• 5+ years on IT/software programs with complex equipment/systems.
• Experience with Linux OS installation, updates, upgrades.
• Experience STIG requirements in Linux OS.
• Experience creating/configuring Linux network connections.
• Experience Windows Active Directory user authentication in Linux OS.
• Proficient reading/modifying Linux User/Group permissions.
• Experience IT system optimization and monitoring.
• Experience Data Center design and configuration.

Responsibilities

• Monitor infrastructure systems, applications and processes; identify, track and resolve issues.
• Provide support for infrastructure and respond to hardware/software incidents; may work with senior admins remotely.
• Respond to Help Desk requests promptly; escalate as needed and follow up with users.
• Troubleshoot hardware/software issues including network connectivity.
• Use enterprise monitoring tools to identify alarms; report status to users.
• Execute IAVA processes and system security scans; remediate IAVA patches.
• Provide technical assistance to other teams on overlapping projects.
• Maintain documentation for incident resolution and process clarity.

Skills

Linux OS

STIG compliance

Network configuration

AD in Linux

File system utilities

Troubleshooting

Monitoring & on-call

Data Center design

IAVA/IAVAs processing

Documentation

Education

BS degree in Computer Science or related field

Tools

VMware

Job description

Navstar is an award‑winning organization that has a proven track record of providing IT services and solutions on mission‑focused programs supporting National Security.

The role requires TS/SCI with Polygraph, 5+ years providing IT support, and hands‑on Linux OS experience including STIG implementation and AD integration in Linux. Expect monitoring, incident resolution, and collaboration with senior staff across sites.