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.
422 jobs match your filters
3w
Principal Systems Engineer (Requirements & Defect Manager)
Cerence AI
A Moving Experience. Requirements: Support the software project in technical clarification, breakdown and tracking of requirements, e.g. transform customer requirements to internal software requirements Track the end to end progress of the software requirements and defect from
Ulm
onsiteFull-time
4w
R
Principal Systems Engineer - Munitions Acceleration Team (Onsite)
RTX
Date Posted: 2026-05-18 Country: United States of America Location: US-AZ-TUCSON-807 ~ 1151 E Hermans Rd ~ BLDG 807 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is requ
US-AZ-TUCSON-807 ~ 1151 E Hermans Rd ~ BLDG 807
onsiteFull-time
4w
R
Principal Systems Engineer – EO/IR or RF Signal Processing
RTX
Date Posted: 2026-05-18 Country: United States of America Location: US-AZ-TUCSON-849 ~ 1151 E Hermans Rd ~ BLDG 849 (External Site) Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security c
US-AZ-TUCSON-849 ~ 1151 E Hermans Rd ~ BLDG 849 (External Site)
onsiteFull-time
1mo
R
Principal Systems Engineer - (Onsite)
RTX
Date Posted: 2026-05-15 Country: United States of America Location: US-FL-LARGO-382SS ~ 7887 Bryan Dairy Rd. ~ BLDG 100 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is
US-FL-LARGO-382SS ~ 7887 Bryan Dairy Rd. ~ BLDG 100
onsiteFull-time
1mo
R
Principal Systems Engineer - Air Traffic Solutions (Onsite)
RTX
Date Posted: 2026-05-14 Country: United States of America Location: US-MA-MARLBOROUGH-MA3 ~ 1001 Boston Post Rd ~ BLDG 3 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 security
US-MA-MARLBOROUGH-MA3 ~ 1001 Boston Post Rd ~ BLDG 3
onsiteFull-time
1mo
Principal Systems Engineer - Future Products
MBDA
As a Future Products Principal Systems Engineer within the newly formed Future Products department; part of Missile Design UK: Emerging Portfolio & Capability function, you will be assigned to take on a variety of roles in support of MBDA’s Vision 2040. Salary: Circa £55,000 dep
Bristol
remoteFull-time
1mo
R
Principal Systems Engineer- Air Defense Systems
RTX
Date Posted: 2026-05-13 Country: United States of America Location: US-MA-TEWKSBURY-TB3 ~ 50 Apple Hill Dr ~ CONCORD BLDG, Tewksbury Tb3 300 Concord Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government
US-MA-TEWKSBURY-TB3 ~ 50 Apple Hill Dr ~ CONCORD BLDG, Tewksbury Tb3 300 Concord
onsiteFull-time
1mo
R
Principal Systems Engineer, Digital Radar Onsite
RTX
Date Posted: 2026-05-12 Country: United States of America Location: US-AL-HUNTSVILLE-401 ~ 401 Jan Davis Dr NW ~ JAN DAVIS 401 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security cleara
US-AL-HUNTSVILLE-401 ~ 401 Jan Davis Dr NW ~ JAN DAVIS 401
onsiteFull-time
1mo
R
Principal Systems Engineer - Vehicle Technical Advisor (Onsite)
RTX
Date Posted: 2026-05-11 Country: United States of America Location: US-CO-BUCKLEY-SFB-CUST ~ 18500 E 6th Ave ~ BUCKLEY SFB (External Site) Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued sec
US-CO-BUCKLEY-SFB-CUST ~ 18500 E 6th Ave ~ BUCKLEY SFB (External Site)
onsiteFull-time
1mo
Principal Systems Engineer - POC Devices
Norwood
Nova Biomedical: One Global Brand. One Vision. Together under one name.
1mo
E
Principal Systems Engineer, Radar Development
Echodyne Corp
Radar Reinvented. Echodyne offers the world’s first compact solid-state true beam-steering radar for a wide range of industries and applications. Our high-performance radars work in all weather and are designed for autonomous vehicles, uncrewed aircraft & drones, and security of
Kirkland, WA
onsiteEasy Apply
1mo
Principal Systems Engineer, Radar Development
Echodyne
Radar Reinvented. Echodyne offers the world’s first compact solid-state true beam-steering radar for a wide range of industries and applications. Our high-performance radars work in all weather and are designed for autonomous vehicles, uncrewed aircraft & drones, and security of
Kirkland, WA
onsiteEasy Apply
1mo
R
Principal Systems Engineering Lead (Onsite)
RTX
Date Posted: 2026-05-07 Country: United States of America Location: US-CT-WINDSOR LOCKS-B1 ~ 1 Hamilton Rd ~ BLDG 1 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 lawful permanent resi
US-CT-WINDSOR LOCKS-B1 ~ 1 Hamilton Rd ~ BLDG 1
onsiteFull-time
1mo
R
Principal Systems Engineer - Onsite
RTX
Date Posted: 2026-05-07 Country: United States of America Location: US-AZ-TUCSON-805 ~ 1151 E Hermans Rd ~ BLDG 805 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is requ
US-AZ-TUCSON-805 ~ 1151 E Hermans Rd ~ BLDG 805
onsiteFull-time
1mo
R
Principal Systems Engineer - Modeling Simulation & Analysis Engineer
RTX
Date Posted: 2026-05-06 Country: United States of America Location: US-AZ-TUCSON-9020 ~ 9020 S Rita Rd ~ BLDG 9020 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is requi
US-AZ-TUCSON-9020 ~ 9020 S Rita Rd ~ BLDG 9020
onsiteFull-time
1mo
Principal Systems Engineer – Clinical Computation Platform
Amgen
Career Category Clinical Job Description ABOUT AMGEN Amgen harnesses the best of biology and technology to fight the world’s toughest diseases, and make people’s lives easier, fuller and longer. We discover, develop, manufacture and deliver innovative medicines to help millio
India-Hyderabad
hybridFull-time
1mo
Principal Systems Engineer for GNC Requirements and Interfaces
Draper
Overview: Draper is an independent, nonprofit research and development company headquartered in Cambridge, MA. The 2,000+ employees of Draper tackle important national challenges with a promise of delivering successful and usable solutions. From military defense and space explor
Cambridge, MA
remoteFull-time
1mo
R
Principal Systems Engineer - Patriot Communications
RTX
Date Posted: 2026-05-04 Country: United States of America Location: US-MA-ANDOVER-AN1 ~ 350 Lowell St ~ AN1 ESSEX BLDG 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-MA-ANDOVER-AN1 ~ 350 Lowell St ~ AN1 ESSEX BLDG
onsiteFull-time
1mo
H
Principal Systems Engineer – Networking / Security
Hpe
Principal Systems Engineer – Networking / Security This role has been designed as ‘’Onsite’ with an expectation that you will primarily work from an HPE office. Who We Are: Hewlett Packard Enterprise is the global edge-to-cloud company advancing the way people live and work.
Bengaluru, Karnātaka, India
onsiteFull-time
1mo
H
Principal Systems Engineer – Networking / Security
Hpe
Principal Systems Engineer – Networking / Security This role has been designed as ‘’Onsite’ with an expectation that you will primarily work from an HPE office. Who We Are: Hewlett Packard Enterprise is the global edge-to-cloud company advancing the way people live and work.
Bengaluru, Karnātaka, India
onsiteFull-time
1mo
H
Principal Systems Engineer – Networking / Security
Hpe
Principal Systems Engineer – Networking / Security This role has been designed as ‘’Onsite’ with an expectation that you will primarily work from an HPE office. Who We Are: Hewlett Packard Enterprise is the global edge-to-cloud company advancing the way people live and work.
Bengaluru, Karnātaka, India
onsiteFull-time
1mo
R
Principal Systems Engineer - RF Signal and Sensor Modeling Engineer
RTX
Date Posted: 2026-04-30 Country: United States of America Location: US-AZ-TUCSON-9020 ~ 9020 S Rita Rd ~ BLDG 9020 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is requi
US-AZ-TUCSON-9020 ~ 9020 S Rita Rd ~ BLDG 9020
onsiteFull-time
1mo
R
Principal Systems Engineer, Javelin Technical Lead
RTX
Date Posted: 2026-04-30 Country: United States of America Location: US-AZ-TUCSON-M10 ~ 3360 E Hemisphere Loop ~ BLDG M10 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 security
US-AZ-TUCSON-M10 ~ 3360 E Hemisphere Loop ~ BLDG M10
onsiteFull-time
1mo
A
Principal Systems Engineer - Defence
ALTEN
Engage in the early definition and development of complex Command & Control systems with ALTEN Ltd . Join our team as a Principal Systems Engineer , working at the very front end of the engineering lifecycle to define architectures, requirements and concepts from first principles
Wokingham, England, United Kingdom
hybridFull-timeMid-Senior LevelEasy Apply
1mo
Principal Systems Engineer- Next Generation Avionics
Honeywell Aerospace Technologies
As a Principal Systems Engineer, you will provide technical leadership in the design, development, and integration of complex systems to meet customer requirements.
Phoenix, AZ, United States
hybrid