Browse Jobs
Browse fresh roles from company career pages, then filter by keyword, location, salary, skills, remote scope, and more. Each listing links back to the employer-controlled apply path when available.
418 jobs match your filters
2w
N
Sentinel - Principal Systems Engineer - 18735
Ngc
RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact pe
United States-Utah-Roy
onsiteFull-time
2w
N
Senior Principal Systems Engineer - Weapons RE
Ngc
RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 25% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact pe
United States-Oklahoma-Tinker AFB
onsiteFull-time
2w
N
Senior Principal Systems Engineer - Weapons RE
Northrop Grumman
RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 25% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people
Oklahoma City, OK, US
remote
2w
C
Senior Principal Systems Engineer
Cubic
Business Unit: Cubic Defense Company Details: When you join Cubic, you become part of a company that creates and delivers technology solutions in transportation to make people’s lives easier by simplifying their daily journeys, and defense capabilities to help promote mission
San Diego, California
remoteFull-time
2w
Electronic Support Measures Senior Principal Systems Engineer II
BAE Systems, Inc.
Job Description Ready to make a difference? BAE Systems is looking for systems engineers to develop, build, and work on the world’s most advanced electromagnetic spectrum operations systems – detecting, identifying, locating, and countering threats for joint forces and internatio
Nashua, New Hampshire, United States
onsiteFull-time
2w
N
Sentinel - Sr. Principal Systems Engineer - 14725*
Northrop Grumman
RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people
Roy, UT, US
onsite
2w
N
Senior Principal Systems Engineer
Northrop Grumman
RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: SAP TRAVEL: Yes, 10% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's
Oklahoma City, OK, US
remote
2w
N
Systems Engineer / Principal Systems Engineer (AHT)
Northrop Grumman
RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: No Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around th
Manhattan Beach, CA, US
onsite
2w
N
Systems Engineer / Principal Systems Engineer (AHT)
Northrop Grumman
RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: No Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around th
a555 hollywood-bldg2-43865 airport
onsite
2w
R
Senior Principal Systems Engineer - Secure Systems (Active Clearance)
RTX
Date Posted: 2026-05-29

 Country: United States of America Location: US-IA-CEDAR RAPIDS-137 ~ 855 35Th St NE ~ BLDG 137 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clea
US-IA-CEDAR RAPIDS-137 ~ 855 35Th St NE ~ BLDG 137
onsiteFull-time
2w
R
Senior Principal Systems Engineer (Active Clearance)
RTX
Date Posted: 2026-05-29

 Country: United States of America Location: US-CA-EL SEGUNDO-E04 ~ 2006 E El Segundo Blvd ~ BLDG E04 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued securit
US-CA-EL SEGUNDO-E04 ~ 2006 E El Segundo Blvd ~ BLDG E04
onsiteFull-time
2w
N
Systems Engineer / Principal Systems Engineer (AHT)
Ngc
RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: No Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives aroun
MDHO02
onsiteFull-time
2w
N
Sentinel - Sr. Principal Systems Engineer - 14725*
Ngc
RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact pe
United States-Utah-Roy
onsiteFull-time
2w
N
Systems Engineer / Principal Systems Engineer (AHT)
Ngc
RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: No Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives aroun
United States-California-Manhattan Beach
onsiteFull-time
2w
N
Senior Principal Systems Engineer
Ngc
RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: SAP TRAVEL: Yes, 10% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact peopl
United States-Oklahoma-Oklahoma City
hybridFull-time
2w
Senior / Principal Systems Engineer
Leonardo
Job Description: Are you an experienced Systems Engineer or Scientist who loves contributing to the UKs Defence Industry and making impactful change? We are recruiting for Senior and Principal Systems Engineers in our growing Detectors Area of Business in Southampton, who can ap
GB - Southampton
onsiteFull-time
2w
R
Senior Principal Systems Engineer (Onsite)
RTX
Date Posted: 2026-05-28

 Country: United States of America Location: US-TX-RICHARDSON-C17 ~ 1717 Cityline Dr ~ CITYLINE C17 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security
US-TX-RICHARDSON-C17 ~ 1717 Cityline Dr ~ CITYLINE C17
onsiteFull-time
2w
R
Senior Principal Systems Engineer - Infrastructure (Onsite)
RTX
Date Posted: 2026-05-28

 Country: United States of America Location: US-TX-RICHARDSON-C17 ~ 1717 Cityline Dr ~ CITYLINE C17 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government iss
US-TX-RICHARDSON-C17 ~ 1717 Cityline Dr ~ CITYLINE C17
onsiteFull-time
2w
M
C3BM Principal Systems Engineer
Modern Technology Solutions Inc
MTSI is looking for a talented C3BM Principal Systems Engineer to join our team! In this role you will be part of the Command, Control, Communications, and Battle Management (C3BM) systems engineering efforts to include engaging in Command, Control, Battle Management, and Communi
Huntsville, AL, US
remote
2w
R
Senior Principal Systems Engineer - Technical Program Manager (ONSITE)
RTX
Date Posted: 2026-05-27 Country: United States of America Location: US-IA-CEDAR RAPIDS-139 ~ 855 35Th St NE ~ BLDG 139 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is r
US-IA-CEDAR RAPIDS-139 ~ 855 35Th St NE ~ BLDG 139
onsiteFull-time
2w
R
Senior Principal Systems Engineer - Munitions Acceleration Lead (Onsite)
RTX
Date Posted: 2026-05-27 Country: United States of America Location: US-AZ-TUCSON-807A ~ 1151 E Hermans Rd ~ BLDG 807A Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is re
US-AZ-TUCSON-807A ~ 1151 E Hermans Rd ~ BLDG 807A
onsiteFull-time
2w
N
Sentinel - Principal/Sr. Principal Systems Engineer - 16824*
Ngc
RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact pe
United States-Utah-Roy
onsiteFull-time
2w
M
Senior Principal Systems Engineer
Modern Technology Solutions Inc
As a Senior Principal Systems Engineer with MTSI you will provide technical and programmatic advice and support services on a suite of advanced weapon systems, sensors, and computer processing related technologies and programs. This position will be located in Beavercreek, OH. Yo
Beavercreek, OH, US
hybrid
2w
N
Sentinel - Principal Systems Engineer - 18018
Ngc
RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact pe
United States-Utah-Roy
onsiteFull-time
2w
N
Senior Principal Systems Engineer - IFC Management
Ngc
RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: SCI TRAVEL: Yes, 10% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact peopl
United States-California-San Diego
hybridFull-time