Engineer, Mechanical Jobs in California

121 - 140 of 268 Jobs

Mechanical EngineerJob Title - Mechanical Engineer

FlextronicsCompany Name - Flextronics

•

Milpitas, California, USA

Full-time

Job Posting Start Date 07-16-2025 Job Posting End Date 08-17-2025 Flex is the diversified manufacturing partner of choice that helps market-leading brands design, build and deliver innovative products that improve the world. A career at Flex offers the opportunity to make a difference and invest in your growth in a respectful, inclusive, and collaborative environment. If you are excited about a role but don't meet every bullet point, we encourage you to apply and join us to create the extraord

Project Mechanical Engineer - LivingJob Title - Project Mechanical Engineer - Living

ArcadisCompany Name - Arcadis

•

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 Mechanical Engineer to join our Design & Engineering te

Senior Mechanical Engineer - Transit FacilitiesJob Title - Senior Mechanical Engineer - Transit Facilities

ArcadisCompany Name - Arcadis

•

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

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

ArcadisCompany Name - Arcadis

•

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 EngineerJob Title - Mechanical Engineer

General MatterCompany Name - General Matter

•

Los Angeles, California, USA

Full-time

About the Company At General Matter, we are enriching uranium for commercial nuclear power. Today the US controls less than 1% of global enrichment capacity and depends on foreign state-backed entities for our nuclear fuel, whether LEU or HALEU. We are fixing this, and are driving down the cost of enrichment to accelerate the growth of nuclear energy. About This Role As a General Matter Mechanical Engineer, you will design, build, test, and own the mechanisms and mechanical structures enablin

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

General MatterCompany Name - General Matter

•

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

Power Generation and Propulsion Mechanical EngineerJob Title - Power Generation and Propulsion Mechanical Engineer

Aduril IndustriesCompany Name - Aduril Industries

•

Costa Mesa, California, USA

Full-time

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c

Mechanical Engineer II - Exterior MechanismsJob Title - Mechanical Engineer II - Exterior Mechanisms

RivianCompany Name - Rivian

•

Irvine, California, USA

Full-time

About Rivian Rivian is on a mission to keep the world adventurous forever. This goes for the emissions-free Electric Adventure Vehicles we build, and the curious, courageous souls we seek to attract. As a company, we constantly challenge what's possible, never simply accepting what has always been done. We reframe old problems, seek new solutions and operate comfortably in areas that are unknown. Our backgrounds are diverse, but our team shares a love of the outdoors and a desire to protect it

Mechanical Engineer (Dragon)Job Title - Mechanical Engineer (Dragon)

SpaceXCompany Name - SpaceX

•

Hawthorne, California, USA

Full-time

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. MECHANICAL ENGINEER (DRAGON) A Dragon Mechanical Engineer is responsible for the continued development of critical components and the overall structural design of the most advanced human-rated spacecraft in the world.

Principal Mechanical EngineerJob Title - Principal Mechanical Engineer

ASML USACompany Name - ASML USA

•

San Diego, California, USA

Full-time

Introduction to the role ASML US, including its affiliates and subsidiaries, bring together the most creative minds in science and technology to develop lithography machines that are key to producing faster, cheaper, more energy-efficient microchips. We design, develop, integrate, market and service these advanced machines, which enable our customers - the world's leading chipmakers - to reduce the size and increase the functionality of their microchips, which in turn leads to smaller, more pow

Lead generator mechanical engineerJob Title - Lead generator mechanical engineer

GE VernovaCompany Name - GE Vernova

•

Remote

Full-time

Job Description Summary The Lead Generator Mechanical Engineer will be responsible for the design of hydro generator mechanical components for installed based projects. He/she will also be responsible to provide technical support for supply chain and site activities related to hydro generators. Job Description About Us: We are a purpose-built company leading a new era of energy - electrifying the world while simultaneously working to help decarbonize it! Our culture is built on inclusivity, d

Sr. Mechanical Engineer, ClosuresJob Title - Sr. Mechanical Engineer, Closures

RivianCompany Name - Rivian

•

Irvine, California, USA

Full-time

Mechanical Design Engineer (Tooling Design Focus)Job Title - Mechanical Design Engineer (Tooling Design Focus)

Oxford Global ResourcesCompany Name - Oxford Global Resources

•

Santa Clara, California, USA

Contract

Title: Mechanical Design Engineer (Tooling Design Focus) Location: Santa Clara, CA 100% onsite Length of Contract: 6-12 months (Potential Contract-to-hire based on performance) Process: 3 rounds, Phone/Onsite Ideal Start Date: ASAP Background Check/Drug Screen Scope: As a Mechanical Design Engineer focused on tooling, you ll collaborate with a cross-functional team of Hardware Engineering, Platform Design, Reliability Engineering, and global Contract Manufacturing (CM) partners. You ll be part

Sr. Mechanical Engineer (Critical Infrastructure)Job Title - Sr. Mechanical Engineer (Critical Infrastructure)

SpaceXCompany Name - SpaceX

•

Hawthorne, California, USA

Full-time

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. SR. MECHANICAL ENGINEER (CRITICAL INFRASTRUCTURE) As a member of the construction and infrastructure team, you will design, build, and activate some of the world's most technically advanced manufacturing facilities. Yo

Mechanical Engineer (Crew Starship Avionics)Job Title - Mechanical Engineer (Crew Starship Avionics)

SpaceXCompany Name - SpaceX

•

Hawthorne, California, USA

Full-time

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. MECHANICAL ENGINEER (CREW STARSHIP AVIONICS) After 50 years, humankind will once again return to the surface of the moon using SpaceX's new vehicle, Crew Starship (also known as HLS or the Human Landing System) - this

Structures Manufacturing Engineer I, Mechanical AssemblyJob Title - Structures Manufacturing Engineer I, Mechanical Assembly

Relativity SpaceCompany Name - 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

Structures Manufacturing Engineer II, Mechanical AssemblyJob Title - Structures Manufacturing Engineer II, Mechanical Assembly

Relativity SpaceCompany Name - Relativity Space

•

Long Beach, California, USA

Full-time

Mechanical Engineer, User Products (Starshield)Job Title - Mechanical Engineer, User Products (Starshield)

SpaceXCompany Name - SpaceX

•

Hawthorne, California, USA

Full-time

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. MECHANICAL ENGINEER, USER PRODUCTS (STARSHIELD) Starshield leverages SpaceX's Starlink technology and launch capability to support national security efforts. While Starlink is designed for consumer and commercial use,

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

Westinghouse Electric Company LLCCompany Name - Westinghouse Electric Company LLC

•

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

Mechanical Engineer 3Job Title - Mechanical Engineer 3

Parker HannifinCompany Name - Parker Hannifin

•

Simi Valley, California, USA

Full-time

Parker Hannifin ABOUTPARKERHANNIFIN: 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 tea