Tier II Systems Maintainer — TS/SCI CI Poly (Onsite)

Insight Global; Alexandria (VA); On-site; USD 90,000 - 120,000; Full time

Job summary

Insight Global is partnering with a large federal client in Virginia to identify a Systems Maintainer to join their team. This role focuses on maintaining mission-critical systems, applying updates, and ensuring uptime within a secure, cleared environment.

You will manage maintenance documentation, participate in escalation and root-cause analysis, monitor system health, and collaborate with engineers and program stakeholders in a high-availability setup.

Qualifications

• Active TS/SCI with a CI polygraph required.
• 3+ years of relevant experience (with degree to match LCAT).
• Linux Command Line experience.
• Knowledge of Tier II system maintenance and troubleshooting.
• Security+ Certification Bachelor's degree.
• ServiceNow experience.

Responsibilities

• Execute system maintenance activities: updates, enhancements, and improvements to ensure performance and uptime.
• Develop, update, and maintain maintenance/operational documentation per federal standards.
• Participate in ticket escalation/resolution, root cause analysis and long-term solutions.
• Monitor system health, identify risks, and collaborate with cross-functional teams to improve stability.

Skills

TS/SCI with CI poly clearance

3+ years experience

Linux Command Line

Tier II maintenance

ServiceNow

Education

Bachelor's degree

Security+ certification

Tools

ServiceNow

AWS

Scripting (bash/PowerShell)

OS: Linux/Windows/Unix

Job description

Insight Global is partnering with a large federal client in Virginia to identify a Systems Maintainer to join their team. This role focuses on maintaining mission-critical systems, applying updates, and ensuring uptime within a secure, cleared environment.

You will manage maintenance documentation, participate in escalation and root-cause analysis, monitor system health, and collaborate with engineers and program stakeholders in a high-availability setup.