senior mechanical engineer Jobs in california

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Senior Mechanical Engineer (Hybrid)

Westinghouse Electric Company LLC

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Remote or Rock Hill, South Carolina, USA

Full-time

Are you interested in being part of a creative team that supports Westinghouse's mission to provide clean energy solutions? At Westinghouse, we recognize that our employees are our most valuable asset, and we want to identify the most qualified talent while recognizing and encouraging the value of diversity in the global workplace. If this sounds like an environment you would thrive in, we have an exciting opportunity as a Senior Mechanical Engineer. The Senior Mechanical Engineer will report to
Posted 60+ days ago | Updated 1 hour ago

Lead or Senior HVAC Mechanical Engineer

Kforce Technology Staffing

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Sacramento, California, USA

Full-time

RESPONSIBILITIES: Kforce has a client that is seeking a Lead or Senior HVAC Mechanical Engineer in Sacramento, CA. Responsibilities: * Lead project planning, coordination, and execution with minimal oversight * Independently manage conceptual design to construction drawing development for multiple small and medium-sized projects * Develop designs compliant with Building Codes, Energy Codes, and LEED standards * Handle HVAC calculations, design, and layout of equipment, duct, and piping systems
Posted 1 day ago | Updated 2 hours ago

Lead or Senior HVAC Mechanical Engineer

Kforce Technology Staffing

•

Pasadena, California, USA

Full-time

RESPONSIBILITIES: Kforce has a client that is seeking a Lead or Senior HVAC Mechanical Engineer in Pasadena, CA. Responsibilities: * Lead project planning, coordination, and execution with minimal oversight * Independently manage conceptual design to construction drawing development for multiple small and medium-sized projects * Develop designs compliant with Building Codes, Energy Codes, and LEED standards * Handle HVAC calculations, design, and layout of equipment, duct, and piping systems *
Posted 5 days ago | Updated 2 hours ago

Senior Fluids Mechanical Engineer

Relativity Space

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Long Beach, California, USA

Full-time

At Relativity Space, we're building rockets to serve today's needs and tomorrow's breakthroughs. Our Terran R vehicle will deliver customer payloads to orbit, meeting the growing demand for launch capacity. But that's just the start. Achieving commercial success with Terran R will unlock new opportunities to advance science, exploration, and innovation, pioneering progress that reaches beyond the known. Joining Relativity means becoming part of something where autonomy, ownership, and impact ex
Posted 15 days ago | Updated 1 hour ago

Sr. Healthcare Mechanical Engineer/Project Lead

Stantec

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Sacramento, California, USA

Full-time

Stantec's Buildings team is on a mission to become the world's leading integrated design practice. Our architects, engineers, interior designers, consultants, sustainability specialists, and technologists are passionate about the power of design. Our collaborative culture and our innovative, sustainable approach to projects help us create buildings that matter to our world. Together, we are enhancing the quality of life globally through design. Join us and design your place with Stantec. Your Op
Posted 25 days ago | Updated 1 hour ago

Sr. Healthcare Mechanical Engineer/Project Lead

Stantec

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San Francisco, California, USA

Full-time

Stantec's Buildings team is on a mission to become the world's leading integrated design practice. Our architects, engineers, interior designers, consultants, sustainability specialists, and technologists are passionate about the power of design. Our collaborative culture and our innovative, sustainable approach to projects help us create buildings that matter to our world. Together, we are enhancing the quality of life globally through design. Join us and design your place with Stantec. Your Op
Posted 25 days ago | Updated 1 hour ago

Senior Manufacturing Engineer, Mechanical Assembly

Relativity Space

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Long Beach, California, USA

Full-time

At Relativity Space, we're building rockets to serve today's needs and tomorrow's breakthroughs. Our Terran R vehicle will deliver customer payloads to orbit, meeting the growing demand for launch capacity. But that's just the start. Achieving commercial success with Terran R will unlock new opportunities to advance science, exploration, and innovation, pioneering progress that reaches beyond the known. Joining Relativity means becoming part of something where autonomy, ownership, and impact ex
Posted 13 hours ago | Updated 1 hour ago

Senior Manufacturing Engineer, Mechanical Assembly, Second Shift

Relativity Space

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Long Beach, California, USA

Full-time

At Relativity Space, we're building rockets to serve today's needs and tomorrow's breakthroughs. Our Terran R vehicle will deliver customer payloads to orbit, meeting the growing demand for launch capacity. But that's just the start. Achieving commercial success with Terran R will unlock new opportunities to advance science, exploration, and innovation, pioneering progress that reaches beyond the known. Joining Relativity means becoming part of something where autonomy, ownership, and impact ex
Posted 13 hours ago | Updated 1 hour ago

Sr. Healthcare Mechanical Engineer/Project Lead

Stantec

•

San Francisco, California, USA

Full-time

Job Description Stantec's Buildings team is on a mission to become the world's leading integrated design practice. Our architects, engineers, interior designers, consultants, sustainability specialists, and technologists are passionate about the power of design. Our collaborative culture and our innovative, sustainable approach to projects help us create buildings that matter to our world. Together, we are enhancing the quality of life globally through design. Join us and design your place with
Posted 34 days ago | Updated 1 hour ago

Sr Electrical/Mechanical Engineer - Electrical Wiring and Interconnection Systems (EWIS)

Sierra Nevada Corporation

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Remote or Lone Tree, Colorado, USA

Full-time

The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator for innovative, high-performance ISR and aviation systems. Its end-to-end Command, Control, Computers, Communications and Intelligence, Surveillance & Reconnaissance (C4ISR) capabilities encompass design, integration, test, certification, ground/flight training and complete logistics support. IAS t
Posted 20 days ago | Updated 1 hour ago

Sr. Principal Mechanical Engineer - Structural

RTX Corporation

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El Dorado Hills, California, USA

Full-time

Date Posted: 2025-06-11 Country: United States of America Location: CA105: Golden Foothills Sacramento 5180 Golden Foothills Parkway Suite 200, El Dorado Hills, CA, 95762 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling
Posted 33 days ago | Updated 1 hour ago

Experienced or Senior Mechanical System Design Engineer

Boeing Company

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Seal Beach, California, USA

Full-time

Experienced or Senior Mechanical System Design Engineer Company: The Boeing Company Boeing Commercial Airplanes (BCA) is looking for an Experienced or Senior Mechanical System Design Engineer to join our Out-of-Production (OoP) Mechanical (Mech) Systems Design Engineering (DE) team based in Seal Beach, CA. The OoP Mech Systems DE team is responsible for Continued Operational Safety Program (COSP), Safety Related Problem (SRP); As well as Support to BCA Production, BGS Modifications, BGS Boein
Posted 12 days ago | Updated 1 hour ago

Senior Thermal Lab Mechanical Engineer

Boeing Company

•

El Segundo, California, USA

Full-time

Senior Thermal Lab Mechanical Engineer Company: The Boeing Company We are Boeing Research & Technology (BR&T): Boeing's global research and development team creating and implementing innovative technologies that make the impossible possible and enabling the future of aerospace. We are engineers and technicians, skilled scientists and bold innovators; Join us and put your passion, determination, and skill to work building the future! #TheFutureIsBuiltHere#ChangeTheWorld Within BR&T's Mission
Posted 33 days ago | Updated 1 hour ago

Mechanical Senior Project Engineer - Mission Critical Facilities

Stantec

•

Sacramento, California, USA

Full-time

Stantec's Buildings team is on a mission to become the world's leading integrated design practice. Our architects, engineers, interior designers, consultants, sustainability specialists, and technologists are passionate about the power of design. Our collaborative culture and our innovative, sustainable approach to projects help us create buildings that matter to our world. Together, we are enhancing the quality of life globally through design. Join us and design your place with Stantec. Your Op
Posted 25 days ago | Updated 1 hour ago

Senior Staff Mechanical Engineer - Harness Design (San Diego)

Shield AI Inc

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San Diego, California, USA

Full-time

Founded in 2015, Shield AI is a venture-backed defense technology company with the mission of protecting service members and civilians with intelligent systems. Its products include the V-BAT aircraft, Hivemind Enterprise, and the Hivemind Vision product lines. With offices in San Diego, Dallas, Washington, D.C., Abu Dhabi (UAE), Kyiv (Ukraine), and Melbourne (Australia), Shield AI's technology actively supports U.S. and allied operations worldwide. For more information, visit Follow Shield AI
Posted 43 days ago | Updated 1 hour ago

Senior Mechanical Design Engineer, Tooling

Relativity Space

•

Long Beach, California, USA

Full-time

At Relativity Space, we're building rockets to serve today's needs and tomorrow's breakthroughs. Our Terran R vehicle will deliver customer payloads to orbit, meeting the growing demand for launch capacity. But that's just the start. Achieving commercial success with Terran R will unlock new opportunities to advance science, exploration, and innovation, pioneering progress that reaches beyond the known. Joining Relativity means becoming part of something where autonomy, ownership, and impact ex
Posted 35 days ago | Updated 1 hour ago

Senior Mechanical Design Engineer, Factory Automation

Relativity Space

•

Long Beach, California, USA

Full-time

At Relativity Space, we're building rockets to serve today's needs and tomorrow's breakthroughs. Our Terran R vehicle will deliver customer payloads to orbit, meeting the growing demand for launch capacity. But that's just the start. Achieving commercial success with Terran R will unlock new opportunities to advance science, exploration, and innovation, pioneering progress that reaches beyond the known. Joining Relativity means becoming part of something where autonomy, ownership, and impact ex
Posted 35 days ago | Updated 1 hour ago

Senior Mechanical Design Engineer (San Diego)

Shield AI Inc

•

San Diego, California, USA

Full-time

Founded in 2015, Shield AI is a venture-backed defense technology company with the mission of protecting service members and civilians with intelligent systems. Its products include the V-BAT aircraft, Hivemind Enterprise, and the Hivemind Vision product lines. With offices in San Diego, Dallas, Washington, D.C., Abu Dhabi (UAE), Kyiv (Ukraine), and Melbourne (Australia), Shield AI's technology actively supports U.S. and allied operations worldwide. For more information, visit Follow Shield AI
Posted 43 days ago | Updated 1 hour ago

Senior Mechanical Design Engineer (Hybrid-Puerto Rico)

RTX Corporation

•

Remote or Aguadilla, Aguadilla, Puerto Rico

Full-time

Date Posted: 2025-05-07 Country: United States of America Location: HPR01: Collins Puerto Rico- Aguadilla Road 110 North Km 28.8 San Antonio Industrial Park, Aguadilla, PR, 00603 USA Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required Collins Aerospace has an exciting opportunity for a Mechanical Design Engineer. We're looking for an experienced professional, like you, to accept a high level of responsibility within a
Posted 56 days ago | Updated 1 hour ago

Senior Mechanical Product Design Engineer

NVIDIA Corporation

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Santa Clara, California, USA

Full-time

NVIDIA has pioneered visual computing, the art and science of computer graphics. With our invention of the GPU, the engine of visual computing, the field has expanded to PC games, movie production, product design, medical diagnosis and research. We have an excellent opportunity to join this team where it all begins. Seeking a Senior Mechanical Product Design Engineer to develop next-gen electronic products for all business segments, including handheld devices, notebooks, desktops, servers, and a
Posted 60+ days ago | Updated 1 hour ago