632 Results for

Mechanical Engineering Jobs in Westchester, CA

Jobs

New!

Torrance, CA4 days ago

$90,000–$105,000 Per Year

This team has delivered award-winning architectural and engineering solutions for both public and private sector clients across: Aerospace, Commercial and Industrial giants, Correctional and Government Facilities, Educational Institutions and Healthcare Facilities to name a few. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.

New!

Brea, CA6 days ago

$29–$36 Per Hour

Gather, maintain, format, compile, and manipulate technical data, including laboratory or material test results and engineering design changes. The Mechanical Engineering Technician contributes to completing routine technical tasks and develops solutions to technical problems within a defined scope.

New!

Brea, CA3 days ago

$33–$33 Per Hour

Gather, maintain, format, and analyze technical data including laboratory and material test results . • Create engineering documentation such as reports, flow charts, block diagrams, and schematics .

New!

Gardena, CA4 days ago

$175,000–$200,000 Per Year

We believe great outcomes come from empowering experienced leaders, aligning incentives with performance, and fostering a culture where accountability, collaboration, and long‑term relationships matter. This position serves as the senior project leader for large‑scale mechanical scopes at Los Angeles World Airports among other projects, overseeing execution from preconstruction through closeout.

Fullerton, CA8 days ago

Act as the Subject Matter Expert providing technical expertise throughout a project's lifecycle including design, engineering, configuration, test planning/development, test execution/analysis and sustaining engineering. Demonstrated design and implementation experience utilizing a wide range of materials (metals, plastics) and manufacturing processes (metal/plastic molding, welding, material forming, machining, casting, etc.).

New!

Pasadena, CA1 day ago

Make Good Decisions: Apply logic and practical thinking to decision making; gather necessary input and data from multiple sources to inform decisions and make decisions based on one's best thinking given time available; draw correct and reasonable conclusions based on data and information; make appropriate decisions in a timely manner regardless of pressure or uncertainty; make decisions quickly when called to do so; consider of decisions. Clearly Communicate: Clearly and succinctly convey information and ideas to individuals and groups; shape communication to the needs of the audience; convey ideas and opinions clearly to others; share relevant information and expectations openly, honestly, and in a timely fashion; listen attentively to others.

New!

Fountain Valley, CAToday

Location: Discover an exciting career opportunity in Fountain Valley, CA, a vibrant community known for its excellent quality of life, strong community values, and proximity to Southern California's beautiful beaches and cultural attractions. Develops test procedures utilizing previous data, if available, to validate product subassembly designs and determines if product design meets functional performance specifications.

New!

Arcadia, CA4 days ago

$120,000–$170,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. If you are a problem solver who enjoys working on complex projects and has a passion for wire and cable design, we would love to hear from you.

New!

Torrance, CA4 days ago

$90,000–$100,000 Per Year

Join a stable and growing aerospace manufacturer as a hands-on Manufacturing Engineer where you’ll drive real impact on precision production, lead continuous improvement initiatives, and work with cutting-edge processes in a high-performance, re. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.

Santa Fe Springs, CA7 days ago

You will have the opportunity to repair critical components that make flying possible and safe for you, your loved ones, and for travelers around the world. Butler America Aerospace, LLC. is committed to working with and providing reasonable accommodations to individuals with disabilities.

New!

Glendale, CA4 days ago

$130,000–$170,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Stay abreast of the latest developments in the field of flex assemblies, and leverage this knowledge to drive continuous improvement in our products and processes.

New!

Brea, CA3 days ago

$100,000–$110,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. With advanced capabilities across silicone sealants and insulation components, our client operates from a modern California facility and serves a broad and critical customer base, while fostering innovation, craftsmanship, and continuous growth.

New!

Los Angeles, CA4 days ago

$80,000–$100,000 Per Year

This is an excellent opportunity to use your expertise in NFPA codes, CAD Drafting, Hydraulic Calculations, Seismic Bracing, Fire Pump Layout, Commercial Fire Sprinkler systems, BIM Design, Clash Detection, HydraCAD, AutoSPRINK, and NICET to make a significant impact on our projects and help us maintain our commitment to safety and excellence. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.

New!

Torrance, CA4 days ago

$120,000–$145,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. This team has delivered award-winning architectural and engineering solutions for both public and private sector clients across: Aerospace, Commercial and Industrial giants, Correctional and Government Facilities, Educational Institutions and Healthcare Facilities to name a few.

New!

Seal Beach, CA4 days ago

$90,000–$125,000 Per Year

We are a full floor-to-floor design, manufacturing, and certification company, offering just about anything that passengers see on the interior of an aircraft- from galleys, lavatories, class dividers, closets, front row monuments, flooring and enhanced passenger experience products. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.

New!

Duarte, CA4 days ago

$60,000–$70,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. You’ll work closely with engineering and production teams to identify issues, solve problems, and keep things running smoothly!

New!

Garden Grove, CA4 days ago

$50–$65 Per Hour

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. The successful candidate will be a key player in our manufacturing operations, responsible for programming, setting up, and operating CNC machines to produce precision parts.

New!

San Fernando, CA1 day ago

$55–$65 Per Hour

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. This position requires an in-depth understanding of CNC milling operations, including the ability to interpret complex engineering drawings, select and set up tooling, and troubleshoot machining issues.

New!

Los Angeles, CA1 day ago

$90,000–$220,000 Per Year

5+ years of outside B2B sales experience specifically selling natural gas generators, industrial engines, generator packages, gensets, compression-driven power systems, backup power equipment, prime power systems, rotating equipment, or related industrial/mechanical solutions. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.

New!

Anaheim, CA4 days ago

$90,000–$100,000 Per Year

The Product Development Engineer supports all phases of the product lifecycle, from concept and initial design through testing and transition to production, working on both design updates and clean‑sheet developments in high‑performance environments. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.

New!

Huntington Beach, CA4 days ago

$129,000–$145,000 Per Year

New!

Torrance, CA4 days ago

$35–$37 Per Hour

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Inspect, test, diagnose, repair, and maintains production equipment, machinery, or instruments to ensure that it functions reliably and complies with process specifications.

Anaheim, CA10 days ago

$85–$98.62 Per Hour

This role supports a wide variety of projects across resort properties, including attractions, maintenance, food services, merchandise, entertainment, and utility systems—ranging from minor renovations to new construction and rapid-response efforts. Candidate Privacy To read our Candidate Privacy Information Statement, which explains how we will use your information, please navigate to https://peaktechnical.com/privacy-policy/and https://peaktechnical.com/ca-residents-privacy-rights/

New!

Irwindale, CA5 days ago

Be enrolled in formal schooling in a Mechatronics or similar Industrial Maintenance course (e.g., certification program, technical/community college) OR recently graduated from such a program or course within the last 6 months. Assist in generating and executing a preventative maintenance schedule for existing and new assets/equipment.

New!

Monrovia, CA1 day ago

Must be able to perform the essential physical functions of the position, including sitting, standing, walking, stooping, kneeling, andlifting upto 25 pounds, with or without reasonable accommodation. Candidate Privacy To read our Candidate Privacy Information Statement, which explains how we will use your information, please navigate to https://peaktechnical.com/privacy-policy/and https://peaktechnical.com/ca-residents-privacy-rights/

Fountain Valley, CA13 days ago

Responsibilities:Develop and evaluate new products and modify existing designs to meet requirements (this includes design analysis, laboratory tests, simulation and building new product prototypes). Cross-functional interface with internal departments, vendors and contractors to ensure prototype designs meet performance specifications.

New!

Los Angeles, CAToday

Candidate Privacy To read our Candidate Privacy Information Statement, which explains how we will use your information, please navigate to https://peaktechnical.com/privacy-policy/and https://peaktechnical.com/ca-residents-privacy-rights/ Bachelor's Degree desired (Electrical/Mechanical Engineering, Construction Management, or related field); High School Diploma or equivalent required.

Long Beach, CA14 days ago

$107,190–$176,860 Per Year

Proficient computer skills (experience using Outlook, Excel, Word, PowerPoint for reporting purposes) Knowledge of Dodge reports, Salesforce.com, Construct Connect, and other technology performance resources. The actual pay rate offered to candidates varies depending upon a wide range of factors including specific position, education, training, experience, skills, and ability.

New!

Brea, CA6 days ago

$27.99–$28 Per Hour

Requirements: Minimum Requirement: Minimum education requirement is high school diploma, experience in a lab environment (corporate or school) or technician experience in a regulated environment for a minimum of 4-6 years, experience following written procedures and working collaboratively with a team. Preferred requirement: Bachelor of Science in a technical area and at least 1-2 year of experience in a laboratory/R&D setting following written procedures and working collaboratively with a team.

New!

Point Mugu, CA1 day ago

Coordinate analysis activities and products with functional team leaders, senior management, and other personnel responsible for executing analysis tasks. In this role, you will be at the forefront of innovation, contributing to the development of sophisticated hardware and software solutions for complex challenges in the electronic warfare domain.

Fountain Valley, CA30+ days ago

It requires someone capable of both managing projects and being a hands-on chief mechanical engineer with a solid precision mechanical design background, ideally in the motion control/stage design environment. In addition, the hire needs to thrive in a small company environment but have the experience to grow with us to a higher level by defining efficient design and manufacturability processes.

Los Angeles, CA30+ days ago

Remote

$200,000–$240,000 Per Year

JOB SUMMARY: + Act as the primary point of contact for clients, responding to their inquiries and concerns in a timely and professional manner + Develop and maintain strong relationships with clients, regularly communicating with them to understand their needs and expectations + Coordinating with multiple disciplines and acting as lead mechanical engineer to ensure that projects are delivered within budget and on schedule while managing the mechanical team including HVAC, fire protection, plumbing + Develop detailed specifications for mechanical equipment, including pumps, fans, and air handling units. **Job Description** **AECOM** is seeking a **Senior Mechanical Engineer** with experience on **Hyperscale Data Center projects** to act as Data Center Mechanical Engineer Lead **.** The job incumbent will be responsible for designing and overseeing the construction of mechanical systems for hyperscale data centers, including HVAC, piping and fire suppression systems.

Los Angeles, CA30+ days ago

Remote

$200,000–$260,000 Per Year

Professional Engineer License (P.E.) is required + Direct experience supporting data center projects **Preferred Qualifications:** + Experience working with hyperscale or colocation clients + Experience managing large multi-disciplinary design teams + Experience with Design-Bid-Build and Design-Build delivery models **Additional Information** + Relocation is not available for this role. **Qualifications** **Minimum Qualifications:** + Bachelor’s degree in Mechanical Engineering plus twelve (12) years of relevant experience in mechanical design and/or mechanical engineering, with a focus on data center infrastructure, or demonstrated equivalency of experience and/or education, including 4 years of leadership experience.

New!

Los Angeles, CAToday

Deep fluency in Mechanical Engineering, with the ability to create graduate-level, multi-step analytical problems and produce precise, fully worked solutions. You'll create high-quality mechanical engineering problems, develop rigorous solutions, and help identify exactly where models stumble in scientific reasoning.

El Segundo, CA30+ days ago

$159,980–$197,700 Per Year

Export Control Requirements: To conform with U.S. Government export control regulations, including the Export Administration Regulations (EAR), you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. In this role, you will be responsible for leading and supporting a team of mechanical engineers, providing clear technical direction, developing engineering talent, and creating an environment that encourages collaboration and continuous improvement.

Brea, CA30+ days ago

Contractor

Requirements: Minimum Requirement: Minimum education requirement is high school diploma, experience in a lab environment (corporate or school) or technician experience in a regulated environment for a minimum of 6 years, experience following written procedures and working collaboratively with a team. and its 75,000 employees have a passion and commitment to help improve patient outcomes, improve the safety and efficiency of clinicians care delivery process, enable laboratory scientists to better diagnose disease and advance researchers capabilities to develop the next generation of diagnostics and therapeutics.

Brea, CA30+ days ago

Contractor

Requirements: Minimum Requirement: Minimum education requirement is high school diploma, experience in a lab environment (corporate or school) or technician experience in a regulated environment for a minimum of 8 years, experience following written procedures and working collaboratively with a team. and its 75,000 employees have a passion and commitment to help improve patient outcomes, improve the safety and efficiency of clinicians care delivery process, enable laboratory scientists to better diagnose disease and advance researchers capabilities to develop the next generation of diagnostics and therapeutics.

Brea, CA30+ days ago

Contractor

Requirements: Minimum Requirement: Minimum education requirement is high school diploma, experience in a lab environment (corporate or school) or technician experience in a regulated environment for a minimum of 4-6 years, experience following written procedures and working collaboratively with a team. and its 75,000 employees have a passion and commitment to help improve patient outcomes, improve the safety and efficiency of clinicians care delivery process, enable laboratory scientists to better diagnose disease and advance researchers capabilities to develop the next generation of diagnostics and therapeutics.

Glendale, California30+ days ago

$35–$44

How to Apply:Submit your resume and a brief cover letter to jobs@smp-eng.com with the subject line: Mechanical Engineer Application – [Your Name] or apply directly on Indeed/Linked-In. As a leader in the Aerospace/Defense Manufacturing sector, we specialize in delivering high-quality solutions to clients across the globe.

Brea, CA18 days ago

Requirements: Minimum Requirement: Minimum education requirement is high school diploma, experience in a lab environment (corporate or school) or technician experience in a regulated environment for a minimum of 4-6 years, experience following written procedures and working collaboratively with a team. Client and its 75, 000 employees have a passion and commitment to help improve patient outcomes, improve the safety and efficiency of clinicians’care delivery process, enable laboratory scientists to better diagnose disease and advance researchers’capabilities to develop the next generation of diagnostics and therapeutics.

Brea, CA30+ days ago

Requirements: Minimum Requirement: Minimum education requirement is high school diploma, experience in a lab environment (corporate or school) or technician experience in a regulated environment for a minimum of 4- 6 years, experience following written procedures and working collaboratively with a team. Client and its 75,000 employees have a passion and commitment to help improve patient outcomes, improve the safety and efficiency of clinicians' care delivery process, enable laboratory scientists to better diagnose disease and advance researchers' capabilities to develop the next generation of diagnostics and therapeutics.

Brea, CA30+ days ago

Requirements: Minimum Requirement: Minimum education requirement is high school diploma, experience in a lab environment (corporate or school) or technician experience in a regulated environment for a minimum of 6 years, experience following written procedures and working collaboratively with a team. Client and its 75,000 employees have a passion and commitment to help improve patient outcomes, improve the safety and efficiency of clinicians' care delivery process, enable laboratory scientists to better diagnose disease and advance researchers' capabilities to develop the next generation of diagnostics and therapeutics.

Brea, CA30+ days ago

Requirements: Minimum Requirement: Minimum education requirement is high school diploma, experience in a lab environment (corporate or school) or technician experience in a regulated environment for a minimum of 8 years, experience following written procedures and working collaboratively with a team. Client and its 75,000 employees have a passion and commitment to help improve patient outcomes, improve the safety and efficiency of clinicians' care delivery process, enable laboratory scientists to better diagnose disease and advance researchers' capabilities to develop the next generation of diagnostics and therapeutics.

Los Angeles, CA30+ days ago

$30–$50 Per Hour

As a Senior Engineering Technician (Mechanical Systems) at Freeform, you will work closely with the engineering team to fabricate, assemble, test, and develop custom hardware for our advanced metal 3D printing factory systems. You will also build-out and maintain critical infrastructure systems (air, water, and inert gases), and ensure that all onsite fabrication and R&D areas are outfitted with the required tools/equipment, remain clean/organized, and are being used safely.

Los Angeles, CA30+ days ago

Full-time

This is an entry-level role ideal for engineers early in their careers looking to gain hands-on experience supporting production and product development teams. We are seeking a Mechanical Engineer I to support the design, development, and testing of mechanical systems and components within a manufacturing or engineering environment.

Westlake Village, CA13 days ago

$125,000–$155,000 Per Year

This role works upstream of formal product development and focuses on evaluating emerging technologies, building prototypes, and reducing technical risk before products move into full-scale engineering programs. You will collaborate closely with electrical engineering, firmware, product management, and industrial design teams to integrate mechanical solutions with emerging technologies and system architectures.

Hawthorne, CA17 days ago

Equivalent hands-on experience designing, prototyping, and validating mechanical systems for spacecraft, robotics, or other complex electromechanical platforms may be considered in lieu of a formal degree for exceptional candidates. As a Mechanical Engineer, you will take ownership of designing, prototyping, and flight-validating critical spacecraft components and integrated mechanical systems on tight deadlines.

Inglewood, CA30+ days ago

West Covina, CA30+ days ago

Concorde Battery Corporation manufactures specialty lead-acid batteries and is the leading producer of lead-acid batteries for the aviation industry. Concorde Battery Corporation is seeking an experienced Mechanical Engineer to design and optimize mechanical components for lead-acid batteries.

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Mechanical Engineering Jobs in Westchester, CA

Jobs

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Engineer- Flex AssembliesJobot

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Quality EngineerJobot

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Product Development Engineer-In OfficeJobot

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Engineering & Maintenance InternDavis Wire

Systems EngineerPEAK Technical Staffing

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Vertical Sales - Engineered SystemsUnited Rentals

Product Development TechA-Line Staffing Solutions LLC

Systems EngineerDCS Corp

Mechanical Engineering ManagerMicronix USA

Mechanical Engineering Lead, Data Centers - Remote (U.S.)AECOM

Mechanical Engineering Director, Data Centers - Remote (U.S.)AECOM

Expert Contributor - Mechanical EngineeringArise Virtual Solutions

Mechanical Engineering ManagerSecond Order Effects

Tech 1, Mechanical EngineeringApidel Technologies

Tech 3, Mechanical EngineeringApidel Technologies

Tech 2, Mechanical EngineeringApidel Technologies

Mechanical Engineer (Entry-Level)SMP Engineering

Mechanical Engineering Tech 2Lancesoft

Tech 2, Mechanical EngineeringTechDigital Corporation

Tech 1, Mechanical EngineeringTechDigital Corporation

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Senior Engineering Technician (Mechanical Systems)Freeform

Mechanical Engineer IPeregrine Team

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Mechanical EngineerConcorde Battery Corp - California

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