Senior Cyber Systems Admin | TS/SCI Poly | IT & Ops

Northrop Grumman; Jessup (MD); On-site; USD 99,000 - 155,000; Full time

Job summary

Northrop Grumman Mission Systems is seeking a Principal Cyber Systems Administrator to support IT infrastructure across multiple sites: Annapolis Junction, MD; San Antonio, TX; Aurora, CO; and Carey, NC.

You will configure UNIX and Windows servers, monitor systems, and provide Tier 1 and Tier 2 support while aligning with security clearance requirements to deliver reliable, scalable IT services for critical missions.

Qualifications

• Experience providing IT system implementation, troubleshooting and maintenance.
• Providing Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems.
• Experience managing day-to-day operations of IT systems and monitoring.

Responsibilities

• Provide support for implementation, troubleshooting and maintenance of IT systems.
• Manage IT system infrastructure and related processes.
• Provide Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution.
• Provide support for the escalation and communication of status to agency management and internal customers.
• Optimize system operations and resource utilization, and perform system capacity analysis and planning.

Skills

IT system administration

Troubleshooting

Tier 1/2 support

UNIX administration

Windows administration

Education

High School Diploma or equivalent

Bachelor's degree

Tools

UNIX OS

Windows OS

Networking devices

Job description

Northrop Grumman Mission Systems is seeking a Principal Cyber Systems Administrator to support IT infrastructure across multiple sites: Annapolis Junction, MD; San Antonio, TX; Aurora, CO; and Carey, NC.

You will configure UNIX and Windows servers, monitor systems, and provide Tier 1 and Tier 2 support while aligning with security clearance requirements to deliver reliable, scalable IT services for critical missions.