Senior Linux Systems Administrator (TS/SCI)

Northrop Grumman; Linthicum (MD); On-site; USD 123,000 - 185,000; Full time

Job summary

Northrop Grumman is seeking a Sr Principal Computer Systems Analyst (Linux Systems Administrator) to support classified government contracts at our Linthicum, MD location. The role requires a current TS/SCI clearance, including a recent Counter Intelligence Polygraph, and on-site work.

The candidate will manage Linux systems, coordinate with engineers and IT teams, and ensure security compliance while delivering reliable, scalable infrastructure.

Qualifications

• Master's Degree with 6 years of IT experience, or Bachelor's with 8 years, or Associate with 10 years, or High School with 12 years.
• Current 8140 (8570) IAT Level II certification or higher (Security+ CE etc.).
• Linux server OS (RHEL) support experience.
• Linux workstation and server management (RHEL).
• Ability to obtain and maintain access to Special Programs and TS/SCI clearance.

Responsibilities

• Perform as a Sr Principal Computer Systems Analyst - Linux in support of classified government contracts.
• Maintain multiple networks and complete Linux administration tasks, coordinating with teams.
• Provide reliability through installation, patching, monitoring, troubleshooting, and config management.
• Develop and maintain technical documentation of system processes and procedures.
• Adhere to information security guidelines and maintain security audit logs.

Job description

Northrop Grumman is seeking a Sr Principal Computer Systems Analyst (Linux Systems Administrator) to support classified government contracts at our Linthicum, MD location. The role requires a current TS/SCI clearance, including a recent Counter Intelligence Polygraph, and on-site work.

The candidate will manage Linux systems, coordinate with engineers and IT teams, and ensure security compliance while delivering reliable, scalable infrastructure.