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.
403 jobs match your filters
1w
N
Principal Systems Engineer - Engineering Investigation and Technical Directive Letter Implementation
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-California-San Diego
hybridFull-time
1w
N
Principal Systems Engineer - Engineering Investigation and Technical Directive Letter Implementation
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
San Diego, CA, US
hybrid
1w
R
Principal Systems Engineer- Computing Solutions (Onsite)
RTX
Date Posted: 2026-06-03

 Country: United States of America Location: US-IA-CEDAR RAPIDS-193 ~ 1120 Collins Rd NE ~ BLDG193 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: This job requires a U.S. Person. A U.S. Person is a lawfu
US-IA-CEDAR RAPIDS-193 ~ 1120 Collins Rd NE ~ BLDG193
onsiteFull-time
1w
H
Principal Systems Engineer Specialist
Hpe
Principal Systems Engineer Specialist This role has been designated as ‘Remote/Teleworker’, which means you will primarily work from home. Who We Are: Hewlett Packard Enterprise is the global edge-to-cloud company advancing the way people live and work. We help companies co
All, District of Columbia, United States of America
onsiteFull-time
1w
H
Principal Systems Engineer Specialist
Hpe
Principal Systems Engineer Specialist This role has been designated as ‘Remote/Teleworker’, which means you will primarily work from home. Who We Are: Hewlett Packard Enterprise is the global edge-to-cloud company advancing the way people live and work. We help companies co
All, District of Columbia, United States of America
onsiteFull-time
1w
H
Principal Systems Engineer Specialist
Hpe
Principal Systems Engineer Specialist This role has been designated as ‘Remote/Teleworker’, which means you will primarily work from home. Who We Are: Hewlett Packard Enterprise is the global edge-to-cloud company advancing the way people live and work. We help companies co
All, District of Columbia, United States of America
onsiteFull-time
1w
Principal Systems Engineer Specialist
Hewlett Packard Enterprise
Principal Systems Engineer Specialist This role has been designated as ‘Remote/Teleworker’, which means you will primarily work from home. Who We Are: Hewlett Packard Enterprise is the global edge-to-cloud company advancing the way people live and work. We help companies connect,
All, District of Columbia, 00000
onsiteFull-time
1w
T
Principal Systems Engineer - Electronic Warfare
Thales
Location: Crawley, United Kingdom Thales is a global technology leader with more than 83,000 employees on five continents. With over 7,500 people in the UK, operating across defence, space, aerospace, and digital security, we help build a future we can all trust. Thales supports
Crawley
onsiteFull-time
1w
R
Principal Systems Engineer - Algorithms (ONSITE)
RTX
Date Posted: 2026-06-02

 Country: United States of America Location: US-CA-FULLERTON-676 ~ 1801 Hughes Dr ~ BLDG 676 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued sec
US-CA-FULLERTON-676 ~ 1801 Hughes Dr ~ BLDG 676
onsiteFull-time
1w
R
Principal Systems Engineer – Boeing Displays Certification Focal (Onsite)
RTX
Date Posted: 2026-06-02

 Country: United States of America Location: US-IA-CEDAR RAPIDS-131 ~ 5450 C Ave NE ~ BLDG 131 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The company will offer immigration sponsorship for this posit
US-IA-CEDAR RAPIDS-131 ~ 5450 C Ave NE ~ BLDG 131
onsiteFull-time
1w
Principal Systems Engineer - Electronic Warfare
Thales
Location: Crawley, United Kingdom Thales is a global technology leader with more than 83,000 employees on five continents. With over 7,500 people in the UK, operating across defence, space, aerospace, and digital security, we help build a future we can all trust. Thales supports
Crawley, West Sussex, RH10 9HA
onsiteFull-time
1w
Principal Systems Engineer - Networking
BAE Systems, Inc.
Job Description As part of the BAE Systems team, you’ll be working on challenging problems, working with creative engineers, and helping to deliver advanced products. You’ll enjoy flexibility of your work schedule, and work in a diverse and inclusive environment. The programs you
Hudson, New Hampshire, United States
onsiteFull-time
1w
Principal Systems Engineer Integration
BAE Systems, Inc.
Job Description BAE Systems is seeking a Principal Systems Engineer for System Integration efforts in support of our work as a prime contractor on a high-profile U.S. Navy weapon system. The ideal candidate will be someone who can independently develop system verification strateg
Rockville, Maryland, United States
remoteFull-time
1w
R
Principal Systems Engineer - ATS (Onsite)
RTX
Date Posted: 2026-06-01

 Country: United States of America Location: US-NJ-EGG HARBOR TOWNSHIP-FAA-CUST ~ 101 Atlantic City International Airport ~ AIRPORT (External Site) Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: U.S. cit
US-NJ-EGG HARBOR TOWNSHIP-FAA-CUST ~ 101 Atlantic City International Airport ~ AIRPORT (External Site)
onsiteFull-time
1w
R
Principal Systems Engineer - MilAv FMS Product Owner/Program Lead (Onsite)
RTX
Date Posted: 2026-06-01

 Country: United States of America Location: US-IA-CEDAR RAPIDS-182 ~ 1100 Cimmie Ave Ne ~ BLDG 182 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: U.S. citizenship is required, as only U.S. citizens are
US-IA-CEDAR RAPIDS-182 ~ 1100 Cimmie Ave Ne ~ BLDG 182
onsiteFull-time
2w
T
Principal Systems Engineer / Solutions Architect - Naval Communications
Thales
Location: Crawley, United Kingdom Thales is a global technology leader with more than 83,000 employees on five continents. With over 7,500 people in the UK, operating across defence, space, aerospace, and digital security, we help build a future we can all trust. Thales supports
Crawley
onsiteFull-time
2w
R
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
R
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
Principal Systems Engineer (Onsite)
RTX
Date Posted: 2026-05-29

 Country: United States of America Location: US-MD-ABERDEEN-APG ~ 6260 Guardian Gtwy ~ APG Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued secur
US-MD-ABERDEEN-APG ~ 6260 Guardian Gtwy ~ APG
onsiteFull-time
2w
R
Principal Systems Engineer - Secure TacCom (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
Principal Systems Engineer - Tac Comm (Onsite)
RTX
Date Posted: 2026-05-29

 Country: United States of America Location: US-IA-CEDAR RAPIDS-121 ~ 350 Collins Rd NE ~ BLDG 121 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issu
US-IA-CEDAR RAPIDS-121 ~ 350 Collins Rd NE ~ BLDG 121
onsiteFull-time
2w
R
Principal Systems Engineer - Secure Systems
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: The ability to obtain and maintain a U.S. government issued
US-IA-CEDAR RAPIDS-137 ~ 855 35Th St NE ~ BLDG 137
onsiteFull-time
2w
E
Principal Systems Engineer - IAM
Earlywarning
At Early Warning, we’ve powered and protected the U.S. financial system for over thirty years with cutting-edge solutions like Zelle®, Paze℠, and so much more. As a trusted name in payments, we partner with thousands of institutions to increase access to financial services and pr
San Francisco
remoteFull-time
2w
Principal Systems Engineer / Solutions Architect - Naval Communications
Thales
Location: Crawley, United Kingdom Thales is a global technology leader with more than 83,000 employees on five continents. With over 7,500 people in the UK, operating across defence, space, aerospace, and digital security, we help build a future we can all trust. Thales supports
Crawley, West Sussex, RH10 9HA
onsiteFull-time
2w
R
Principal Systems Engineer (ONSITE)
RTX
Date Posted: 2026-05-28

 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