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.
291 jobs match your filters
1mo
Principal Mechanical Engineer
MBDA
MBDA is a leading defence organisation. We are proud of the role we play in supporting the Armed Forces who protect our nations. We partner with governments to work together towards a common goal, defending our freedom. Salary: Circa £55,000 depending on experience Dynamic (hy
Bolton
onsiteFull-time
1mo
Principal Mechanical Engineer
CHAOS Industries
CHAOS Industries is redefining modern defense with a multi-product portfolio that gives the ultimate advantage—domain dominance. The company's products are powered by Coherent Distributed Networks (CDN™), empowering warfighters, commercial air operators, and border protection tea
Hawthorne, California, United States
onsiteEasy Apply
1mo
P
Principal Mechanical Engineer
Pickle Robot Company
Pickle Robot is on the hunt for a Principal Mechanical Engineer to help shape the next generation of warehouse automation. Our robots do the toughest job on the dock: unloading trucks. We’re scaling fast, and at this level, you won’t just execute designs. You’ll own major parts o
Charlestown, MA$156K - $180K
onsiteFull-timeEasy Apply
1mo
Principal Mechanical Engineer
Rhino Cable Services, Inc.
Overview We are seeking a highly experienced and technically skilled Principal Mechanical Engineer to lead mechanical engineering efforts within our Major Projects Power Delivery division. This role is responsible for providing strategic technical leadership and oversight for mec
United States
remoteFull-time
1mo
K
Principal Mechanical Engineer
K2 Space
K2 is building the largest and highest-power satellites ever flown, unlocking performance levels previously out of reach across every orbit. Backed by $450M from leading investors including Altimeter Capital, Redpoint Ventures, T. Rowe Price, Lightspeed Venture Partners, Alpine S
Los Angeles, CA
hybridEasy Apply
1mo
Principal Mechanical Engineer
Oracle
Leads and sets direction for the design and development of mechanical systems including components, enclosures, and packaging, ensuring reliability, performance, and manufacturability. Contributes to the technical vision and sets best practices for the use of advanced computer ai
Seattle, WA, United States
hybrid
1mo
Principal Mechanical Engineer
NetSuite
Leads and sets direction for the design and development of mechanical systems including components, enclosures, and packaging, ensuring reliability, performance, and manufacturability. Contributes to the technical vision and sets best practices for the use of advanced computer ai
Seattle, WA, United States
hybrid
1mo
Principal Mechanical Engineer
BakerHicks
Why this role? At BakerHicks, our Mechanical team is known for making the complex simple. Our mechanical experts work with clients across exciting and niche sectors, delivering complex yet efficient and sustainable solutions, often to a demanding, highly regulated and bespoke bri
Motherwell
onsiteEasy Apply
1mo
Principal Mechanical Engineer
Vantage Data Centers
About Vantage Data Centers Vantage Data Centers powers, cools, protects and connects the technology of the world’s well-known hyperscalers, cloud providers and large enterprises. Developing and operating across North America, EMEA and Asia Pacific, Vantage has evolved data cente
London, England
remoteFull-time
1mo
I
Principal Mechanical Engineer
Ingredion
About Ingredion: Join Ingredion, where innovation impacts lives worldwide! Without even realizing it, you’ve experienced our work in your favorite chocolate, your pet’s food, the paper you write on, and your everyday snacks. As a global powerhouse across more than 60 industries,
Westchester, IL
onsiteFull-time
1mo
Principal Mechanical Engineer
Envipco
Summary: As Principal Mechanical Engineer. You'll spearhead the design and development of advanced systems for our Recycling Machines, driving environmental change. Responsibilities: Lead the Design and Development of electro-mechanical systems that power Envipco’s Re
Cluj-Napoca, Cluj, Romania
hybridFull-timeEasy Apply
1mo
Principal Mechanical Engineer
True Anomaly
Space is a warfighting domain. True Anomaly seeks those with the talent and ambition to build the technology that secures it. OUR MISSION True Anomaly delivers decisive capabilities for space superiority. We build autonomous spacecraft, advanced payloads, mission software, and sp
Denver, CO
hybridEasy Apply
1mo
A
Principal Mechanical Engineer
AECOM
Start here. Grow here. At AECOM, we boast an impressive and expansive Water Team operating across the globe. With approximately 600 experts sitting in our UK and Ireland Offices, we are constantly evolving to remain at the forefront of innovation, and we’re on the lookout for tal
Glasgow, United Kingdom
hybridFull-timeAssociateEasy Apply
1mo
S
Principal Mechanical Engineer
Slihrms
Job Description Overview Shape the Future of our cities and environments. Are you a Principal Mechanical Engineer who is passionate about making the world a better place? Are you ready to take up a vital role in some of the UK’s most exciting and innovative projects? Join Atk
GB.Bristol.The Hub
onsiteFull-time
1mo
N
Principal Mechanical Engineer
Ngc
RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: No 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 people
United States-California-McClellan
hybridFull-time
1mo
A
Principal Mechanical Engineer
AECOM
AECOM is a leading multidisciplinary consultancy seeking a Principal Mechanical Engineer to join our busy South West MEP team, the role can be based in Cardiff or Bristol. You’ll bring proven mechanical building services design experience across Healthcare and Education projects,
Cardiff, CALLAGHAN SQUARE, United Kingdom
hybridFull-timeAssociateEasy Apply
1mo
A
Principal Mechanical Engineer
AECOM
AECOM is a leading multidisciplinary consultancy seeking a Principal Mechanical Engineer to join our busy South West MEP team, the role can be based in Cardiff or Bristol. You’ll bring proven mechanical building services design experience across Healthcare and Education projects,
Bristol, United Kingdom
hybridFull-timeAssociateEasy Apply
2mo
P
Principal Mechanical Engineer
Pae
Amentum will inspire and empower you to deliver your best work so you can evolve, grow and succeed - today and into tomorrow. We offer an exciting range of opportunities to develop your career within a supportive and diverse team who always strive to do the right thing for our pe
OCONUS-UK-Warrington
onsiteFull-time
2mo
Principal Mechanical Engineer
Commonwealth Fusion Systems
About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and building commercially viable fusion power plants. And we're wo
Milpitas, CA$150K - $225K
onsiteFull-timeEasy Apply
2mo
Principal Mechanical Engineer
QuEra Computing Inc.
Principal Mechanical Engineer About Us We are building scalable, fault-tolerant neutral atom quantum computers that harness the power of atomic physics, precision engineering, and advanced control systems. Our interdisciplinary team combines quantum scientists, optical mechanical
Boston, MA, USA
remoteEasy Apply
2mo
Principal Mechanical Engineer
Fermilab
The expected hiring range for this position is: $124,800.00-$164,200.00. Please note that the pay range information is a general guideline only. The pay offered to a selected candidate will be determined based on factors such the scope and responsibilities of the position, quali
Batavia
onsiteFull-time
2mo
Principal Mechanical Engineer
Saab, Inc.
Job Description: Saab Inc., Autonomous and Undersea Systems division is seeking an innovative and experienced Principal Mechanical Engineer to guide others on technical teams in capturing, understanding, and implementing product design requirements for autonomous Unmanned Surfac
Quincy, MA
onsiteFull-time
2mo
Principal Mechanical Engineer
Anglian Water Services
Join the @one Alliance – a collaborative partnership of eight industry‑leading companies (Anglian Water, Balfour Beatty, Barhale, Binnies, MMB, MWH Treatment, Skanska, and SWECO) delivering over half of Anglian Water’s capital investment programme. As we prepare for the challenge
Peterborough
onsiteFull-time
2mo
M
Principal Mechanical Engineer
McDermott External Career Site
The Principal Mechanical Engineer interprets internal and external business challenges in the Mechanical discipline. The role requires specialized depth and breadth of expertise in Mechanical Engineering.
Dubai, Dubai, United Arab Emirates
remote
3mo
K
Principal Mechanical Engineer
KoBold Metals Zambia
About the Company: The mining industry has steadily become worse at finding new ore deposits, requiring >10X more capital to make discoveries compared to 30 years ago. The easy-to-find, near-surface deposits have largely been found, and the industry has chronically under-invested
Chililabombwe
onsiteEasy Apply