Updated Nov 13, 2026 · Direct apply links · No signup
Defense jobs in Illinois
73 open Defense roles in Illinois across 1 companies. Every listing links straight to the employer's careers site.
73 open roles1 companies
Who is hiring
Recently posted Defense roles in Illinois
Space TS/SCI Operations and Maintenance SEIT Lead (Level 5)
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Nov 10, 2026
Space Principal/ Sr. Principal Launch and Operations Systems Engineer**
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Nov 10, 2026
2027 Electromechanical Engineer Intern - Rolling Meadows IL
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Nov 10, 2026
Business Management Analyst
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Nov 7, 2026
Principal Engineer Quality (CMM)
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Nov 5, 2026
Manager Systems Engineering 2 - Chief Engineer Team
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Nov 5, 2026
Associate Components/Product Follow Engineer or Components/Product Follow Engineer
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Nov 5, 2026
Principal Windows Systems Administrator - TS/SCI
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Nov 4, 2026
Manager Manufacturing Engineering 1
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Nov 4, 2026
Classisfied Cybersecurity Analyst - TS/SCI
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Nov 4, 2026
Process Engineer
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Nov 2, 2026
Principal/Sr. Principal FPGA Engineer
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Nov 2, 2026
FPGA Engineer
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Nov 2, 2026
Manufacturing Technician 2
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Oct 29, 2026
Manager Cybersecurity 1
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Oct 29, 2026
On Call Consulting Power Supply Engineer
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Oct 26, 2026
Precision Electromechanical Assembler 3
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Oct 21, 2026
Manager General Manufacturing 1
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Oct 20, 2026
Engineer Process (Tool Design)
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Oct 19, 2026
Systems Engineer/Principal Systems Engineer - Integration & Test
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Oct 16, 2026
Software Manager 2
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Oct 16, 2026
Maintenance Technician 3
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Oct 16, 2026
Manager Mission Assurance 2
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Oct 14, 2026
Calibration Technician 2
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Oct 12, 2026
Principal / Sr Principal RF Design Engineer
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Oct 9, 2026
Production Growth Manager Programs 2
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Oct 7, 2026
Sr. Principal Systems Engineer - Engineering Program Manager
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Oct 6, 2026
Manager Programs 1
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Oct 5, 2026
Principal Operations Program Management Specialist
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Oct 1, 2026
Electronic Technician 2 (2nd Shift)
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Oct 1, 2026
Administrative Assistant 4
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Oct 1, 2026
Power Supply Engineer
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Sep 30, 2026
Mgr Programs 2
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Sep 30, 2026
Engineer Quality
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Sep 29, 2026
Electronic Technician 2
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Sep 29, 2026
Systems Engineer
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Sep 27, 2026
Staff System Architect
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Sep 27, 2026
Sr. Principal Motor Drive Engineer
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Sep 27, 2026
Space Systems Embedded Software Engineers - Level 3 or 4 (TS/SCI)
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Sep 27, 2026
Space Systems Embedded Software Engineer - Level 2 (TS/SCI)
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Sep 27, 2026
Space Principal/ Sr. Principal Launch and Operations Systems Engineer (AHT)
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Sep 27, 2026
Principal/Sr. Principal Systems Engineer
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Sep 27, 2026
Principal/Sr. Principal Power Supply Engineer
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Sep 27, 2026
Principal/Sr. Principal PWB Design Engineer
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Sep 27, 2026
Principal/Sr. Principal PCB Producibility Engineer
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Sep 27, 2026
Principal/Sr. Principal Modeling & Simulation Systems Engineer
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Sep 27, 2026
Principal/Sr. Principal Digital Design Engineer
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Sep 27, 2026
Precision Electromechanical Assembler 2 - Substrate Attach (2nd shift)
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Sep 27, 2026
Power Electronics Engineer Level 3/4 - Rolling Meadows
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Sep 27, 2026
Modeling & Simulation Systems Engineer
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Sep 27, 2026
Manager Programs 2
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Sep 27, 2026
Manager Manufacturing Test Software Engineering 2
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Sep 27, 2026
Electronic Technician 3 (3rd shift)
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Sep 27, 2026
Sr. Principal Embedded Software Engineer
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Sep 24, 2026
Software/Principal Embedded Software Engineer
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Sep 24, 2026
Principal/ Sr. Principal FPGA Design Engineer
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Sep 24, 2026
Manager Systems Engineering 2 - Logistics Program Mgmt
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Sep 24, 2026
Manager Embedded Software Engineering 2 (Space Systems) - TS/SCI
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Sep 24, 2026
Manager Systems Engineering 2 - Targeting Integration & Test
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Sep 22, 2026
Manager Systems Engineering 2 - RFEW SEIT
Northrop Grumman · United States-Illinois-Rolling Meadows · Defense · posted Sep 22, 2026
Questions about these jobs
How many Defense jobs are open in Illinois?
73 open roles at 1 company as of Nov 13, 2026, refreshed every morning.
Which companies are hiring in Illinois?
The largest employers on the board in Illinois right now are Northrop Grumman.
Are there remote roles?
None of the 73 roles in Illinois are listed as remote right now; the remote hub lists every remote mobility role.
How do I apply?
Every listing links straight to the posting on the company's own careers site. No signup, no middleman.