Mechanical Engineer Jobs in California

121 - 140 of 297 Jobs

Senior Mechanical Engineer - Education, Living, RetailJob Title - Senior Mechanical Engineer - Education, Living, Retail

ArcadisCompany Name - Arcadis

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Los Angeles, California, USA

Full-time

Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets. We are more than 36,000 people, in over 70 countries, dedicated to improving quality of life. Everyone has an important role to play. With the power of many curious minds, together we can solve the world's most complex challenges and deliver more impact together. Role description: Arcadis is seeking a Senior Mechanical Engineer to join our Design & Enginee

Mechanical Engineer IIJob Title - Mechanical Engineer II

Relativity SpaceCompany Name - 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

Mechanical EngineerJob Title - Mechanical Engineer

GEI Consultants, Inc.Company Name - GEI Consultants, Inc.

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Pasadena, California, USA

Full-time

Description Your role at GEI. GEI's Mechanical engineering group needs staff to support its growing client base and is seeking an associate to senior level Mechanical Engineer. This is an excellent opportunity for a highly motivated individual to join our team. The successful candidate must have excellent academic credentials and a strong desire to work on a broad range of small to larger size projects related to water resources from planning to final design, construction engineering support, a

Senior Thermal Mechanical EngineerJob Title - Senior Thermal Mechanical Engineer

PsiQuantumCompany Name - PsiQuantum

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Palo Alto, California, USA

Full-time

Quantum computing holds the promise of humanity's mastery over the natural world, but only if we can build a real quantum computer. PsiQuantum is on a mission to build the first real, useful quantum computers, capable of delivering the world-changing applications that the technology has long promised. We know that means we will need to build a system with roughly 1 million qubits that supports fault tolerant error correction within a scalable architecture, and a data center footprint. By harnes

Senior Mechanical Engineer (Hybrid-Puerto Rico)Job Title - Senior Mechanical Engineer (Hybrid-Puerto Rico)

RTX CorporationCompany Name - RTX Corporation

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Remote or Aguadilla, Aguadilla, Puerto Rico

Full-time

Date Posted: 2025-06-05 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 is looking to hire a Senior Mechanical Engineer to perform design cost management. The primary focus of this position will be to provide Design to Cost (DTC) support for

Staff Mechanical Engineer, Fluid & Air SystemsJob Title - Staff Mechanical Engineer, Fluid & Air Systems

Form EnergyCompany Name - Form Energy

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Berkeley, California, USA

Full-time

Are you ready to build America's energy future? Form Energy is an American manufacturing and energy technology company. We're revolutionizing energy storage with cost-effective, multi-day technology designed to keep the electric grid secure and reliable, even during extended periods of stress. By strengthening the electric system and reimagining what's possible, we're giving clean energy a whole new form! In recent years, Form Energy has earned a number of accolades, including being named by TIM

Staff Mechanical Engineer, Plastics DesignJob Title - Staff Mechanical Engineer, Plastics Design

Form EnergyCompany Name - Form Energy

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Berkeley, California, USA

Full-time

Senior Mechanical Engineer - WastewaterJob Title - Senior Mechanical Engineer - Wastewater

Parsons Services CompanyCompany Name - Parsons Services Company

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Fountain Valley, California, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Join Our Team: Principal Mechanical Engineer - Water Group Location: Pasadena, CA (w

Mechanical Engineer - ThermaJob Title - Mechanical Engineer - Therma

Legence Therma LLCCompany Name - Legence Therma LLC

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San Jose, California, USA

Full-time

Therma, a Legence company For over 50 years, Therma has continued to redefine the mechanical construction landscapes in California. Renowned for outstanding client service and attention to detail, we balance innovative, facility-specific solutions with a pragmatic, cost-conscious approach. Today, the firm employs more than 1,100 people in 3 regional offices, and its clients represent a diverse range of market sectors, including Biopharmaceutical, Education, Healthcare, Food & Beverage, Commerci

Mechanical Engineer InternJob Title - Mechanical Engineer Intern

Parker HannifinCompany Name - Parker Hannifin

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Irvine, California, USA

Full-time

Org Marketing Statement At Parker Aerospace, we develop technologies and innovative solutions that enable reliable, efficient and increasingly sustainable flight for the lifecycle of the aircraft, including aftermarket support. Our passionate people with deep engineering expertise, together with our breadth of differentiated technologies, ensure that we make the extraordinary happen and continue to shape the future of aviation in partnership with our customers. As a member of our team, you are

Sr. Mechanical Engineer - Healthcare - P2SJob Title - Sr. Mechanical Engineer - Healthcare - P2S

Legence Therma LLCCompany Name - Legence Therma LLC

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Irvine, California, USA

Full-time

P2S stands as a provider of professional engineering services to a broad range of markets, including higher education, healthcare, ports/harbors, industrial, entertainment, commercial, laboratories, municipal, and federal sectors. Our specialties include electrical, mechanical, plumbing, fire protection, and technology integration. Our offered services range from engineering and commissioning to construction management. With over 300 dedicated employees, P2S is an internationally recognized lead

Senior Mechanical Engineer - ThermaJob Title - Senior Mechanical Engineer - Therma

Legence Therma LLCCompany Name - Legence Therma LLC

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San Jose, California, USA

Full-time

Senior Mechanical Engineer - Energy Solutions - CMTAJob Title - Senior Mechanical Engineer - Energy Solutions - CMTA

Legence Therma LLCCompany Name - Legence Therma LLC

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Los Angeles, California, USA

Full-time

CMTA, a Legence company CMTA is one of the fastest growing engineering firms in the U.S. with nationally recognized expertise in sustainable, high performance building engineering. We are a collaborative, competitive, innovative, and energetic group of engineers and team leaders who incorporate a holistic approach towards consulting engineering, performance contracting, and zero energy projects. We focus on finding engineers whose personalities lead them to excellence, and we provide exceptiona

Sr. Mechanical EngineerJob Title - Sr. Mechanical Engineer

Katalyst Healthcares and LifesciencesCompany Name - Katalyst Healthcares and Lifesciences

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San Jose, California, USA

Full-time

Responsibilities: Perform 3D modelling, detailing, and Mechanical design of electromechanical, power generation, and distribution products. Should have a strong knowledge of various material properties and use, fabrication methods (Sheetmetal & Machined Parts, surface coatings, finishes, adhesives, lubricants, and enclosure environmental sealing. Design and develop bus bar systems & wiring layouts for electrical distribution and power management while maintaining adherence to the applicable s

Senior Mechanical EngineerJob Title - Senior Mechanical Engineer

HDR, Inc.Company Name - HDR, Inc.

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Walnut Creek, California, USA

Full-time

At HDR, our employee-owners are fully engaged in creating a welcoming environment where each of us is valued and respected, a place where everyone is empowered to bring their authentic selves and novel ideas to work every day. As we foster a culture of inclusion throughout our company and within our communities, we constantly ask ourselves: What is our impact on the world? Watch Our Story:' ' Each and every role throughout our organization makes a difference in our ability to change the world f

Mechanical EngineerJob Title - Mechanical Engineer

HDR, Inc.Company Name - HDR, Inc.

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Folsom, California, USA

Full-time

Building Mechanical EngineerJob Title - Building Mechanical Engineer

HDR, Inc.Company Name - HDR, Inc.

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Irvine, California, USA

Full-time

Mechanical Engineer (New Grad)Job Title - Mechanical Engineer (New Grad)

General MatterCompany Name - General Matter

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Los Angeles, California, USA

Full-time

About the Company At General Matter, we're strengthening America's capacity in nuclear energy to create a new set of possibilities, from generating clean energy at scale to forging energy security. With nuclear energy powering the next wave of American progress, we're ensuring our country has the fuel it needs for the next generation of reactors, no matter what's happening around the world. We are backed by top tier investors. Our lean, world-class team of engineers and operators is applying a

Senior Mechanical EngineerJob Title - Senior Mechanical Engineer

Pond & CompanyCompany Name - Pond & Company

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Remote or Peachtree Corners, Georgia, USA

Full-time

About the Position We are seeking a Senior Mechanical Engineer to join our growing Professional Design Services team in either one of the following Pond offices (Atlanta, GA; Augusta, GA; Savannah, GA; Jacksonville, FL; Tempa, FL; Port Orange, FL; Columbia, SC; Charlotte, NC; Huntsville, AL; Mobile, AL; New Orleans, LA) or as a Remote Employee. The ideal candidate possesses 10+ years of related MEP design engineering experience and wants to grow, collaborate, and innovate. In this position, the

Mechanical Project Engineer - SC EngineersJob Title - Mechanical Project Engineer - SC Engineers

Legence Therma LLCCompany Name - Legence Therma LLC

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San Diego, California, USA

Full-time

SC Engineers, a Legence company SC Engineers, founded in San Diego, California, in 2004, is an industry leader in mechanical, electrical, and plumbing (MEP) planning and design, energy efficiency, building automation, and total building commissioning. Spanning a variety of sectors, including healthcare, education, government, defense, and technology, SC Engineers provides specialized expertise and a collaborative approach to every project, making them an integrated and valued business partner o