646 Results for

Mechanical Engineering Jobs in Walnut, 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!

Anaheim, CA4 days ago

$126,800–$154,800 Per Year

10+ years of experience in mechanical engineering design, HVAC/DX/VRF/CHW applications, central plant development and operational guidance, hydraulics, hydronics, compressed air, overall kitchen designs and implementation. The base pay actually offered will take into account internal equity and also may vary depending on the candidate’s geographical region, job-related knowledge, skills, and experience among other factors.

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.

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!

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.

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!

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.

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!

Huntington 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!

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.

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!

Glendale, CA4 days ago

$139,200–$186,600 Per Year

Working across a spectrum of disciplines that range from creative and conceptual to scientific and technical, Imagineers blend an innovative mixture of storytelling, art, science, and technology to create immersive experiences, memorable destinations, and innovative entertainment for families around the globe. Walt Disney Imagineering is the creative force that imagines, designs, and brings to life all Disney theme parks, resorts, attractions, and cruise ships worldwide.

Riverside, CA8 days ago

Seeking a highly capable contract Manufacturing Engineer to support the a nacelle development program from Preliminary Design Review (PDR) through delivery of integrated engine/nacelle hardware planned for mid 2027. This role plays a critical part in maturing designs for production readiness, establishing manufacturing baselines, and ensuring seamless transition from development to first article build and integration.

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.

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.

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 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 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.

Orange, CA30+ days ago

$30–$33 Per Hour

Share this job with a friend (https://careers-kimley-horn.icims.com/jobs/20216/mechanical-engineering-intern/job?mode=apply&apply=yes&in_iframe=1&hashed=-1834442239). We take pride in how our employee retention, robust benefits package, and company values have led to Kimley-Horn’s placement on the Fortune “100 Best Companies to Work” list for 18 years!

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.

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.

Irvine, CA30+ days ago

$150,000–$180,000

Netlist is looking for an exceptional Thermal/Mechanical Engineer to develop thermal solutions for memory and storage products for sale to top tier OEMs/ODMs and Hyperscalar customers. BSEE or MSEE (preferred) in Mechanical Engineering, Thermal Engineering, or related field of study with 8+ years of directly related industry experience in IC Packaging Design.

Redondo Beach, CA28 days ago

$115,000–$150,000 Per Year

This position requires applicants to be either U.S. Persons (i.e., U.S. citizen, U.S. national, lawful permanent U.S. resident (green card holder), an individual granted asylum in the U.S., or an individual admitted in U.S. refugee status) or persons eligible to obtain an export license from the U.S. Departments of State, Commerce, or other applicable U.S. government agencies. Lead and contribute to CoDRs, PDRs, and CDRs, clearly communicating design rationale, tradeoffs, and risks to cross-functional stakeholders.

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.

Rancho Cucamonga, California30+ days ago

$28–$40

About TDI Refrigeration: Founded in 1999, TDI Refrigeration designs, builds, and services industrial refrigeration and commercial air conditioning systems across Southern California, Central California, Phoenix, Denver, and the Dallas/Fort Worth area. We build, design, and service industrial refrigeration and commercial air conditioning systems in Southern California, Central California, Phoenix, Denver, and Dallas/Fort Worth area.

Torrance, CA9 days ago

The engineer will lead rigorous testing in real-world conditions, work closely with cross-functional partners across design, supply chain, and manufacturing, and play a key role in supporting production ramp-up and continuous process improvements. This role is highly hands-on, focused on designing, prototyping, and validating core components such as pumps, valves, pressure vessels, and related systems, while driving system-level tradeoffs across performance, reliability, manufacturability, and cost.

Glendale, California30+ days ago

$45–$55

Irvine, CA30+ days ago

Nothing in this job description restricts management's right to assign or reassign duties and responsibilities to this job at any time; This description reflects managements assignment of essential functions, it does not proscribe or restrict the tasks that may be assigned. Saratech is seeking an experienced Senior Mechanical Engineer to support the design, analysis, development, testing, and troubleshooting of military refrigeration and thermal management systems.

Irvine, CA13 days ago

$120,000–$145,000 Per Year

This role owns mechanical development from concept through production and works across electrical, product, and manufacturing teams to deliver scalable, production-ready hardware. ResponsibilitiesDesign mechanical components and assemblies in CAD, including system packaging for PCBs, batteries, sensors, switches, fuses, lighting, and associated wiring.

Redondo Beach, CA30+ days ago

$110,000–$140,000 Per Year

This position requires applicants to be either U.S. Persons (i.e., U.S. citizen, U.S. national, lawful permanent U.S. resident (green card holder), an individual granted asylum in the U.S., or an individual admitted in U.S. refugee status) or persons eligible to obtain an export license from the U.S. Departments of State, Commerce, or other applicable U.S. government agencies. Proactively guide all aspects of your hardware’s maturity, project managing your hardware’s end users, stakeholders, and adjacent contributors to ensure all aspects of the system continue to mature together and that your assumptions are well understood outside yourself and remain valid.

Hawthorne, CA17 days ago

$90,000–$110,000 Per Year

You’ll be expected to deliver elegant, reliable hardware under tight timelines—balancing simplicity, analytical rigor, and creative problem-solving. Benefits My client offers a competitive and comprehensive benefits package designed to support employees and their families: 100% coverage of base medical, dental, and vision plans.

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Mechanical Engineering Jobs in Walnut, CA

Jobs

Mechanical EngineerJobot

Staff Mechanical EngineerDisneyland Resort

Mechanical Engineering Tech II - Medical Devices (1st Shift)A-Line Staffing Solutions LLC

Mechanical Engineering Technician II in Brea, CA {169357}A-Line Staffing Solutions LLC

Project Executive - Mechanical SystemsJobot

Mechanical TechnicianCalifornia Institute of Technology

Wire EngineerJobot

Mechanical Repair TechnicianButler Aerospace and Defense

Manufacturing Engineer (Aerospace)Jobot

Engineer- Flex AssembliesJobot

Manufacturing EngineerJobot

Fire Sprinkler Design EngineerJobot

Civil EngineerJobot

Design Engineer - CatiaJobot

Quality EngineerJobot

CNC Programmer (relocation provided)Jobot

Sales Representative - Power GenerationJobot

Product Development Engineer-In OfficeJobot

Quality Assurance ManagerJobot

Maintenance Mechanic (bottling industry)Jobot

Engineering & Maintenance InternDavis Wire

Principal Ride Development Engineer, Design AssuranceWalt Disney Imagineering

Manufacturing EngineerButler Aerospace and Defense

Product Development TechA-Line Staffing Solutions LLC

Mechanical Engineering ManagerMicronix USA

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

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

Tech 3, Mechanical EngineeringApidel Technologies

Tech 1, Mechanical EngineeringApidel Technologies

Tech 2, Mechanical EngineeringApidel Technologies

Mechanical Engineering InternKimley-Horn

Mechanical Engineer (Entry-Level)SMP Engineering

Mechanical Engineering Tech 2Lancesoft

Tech 2, Mechanical EngineeringTechDigital Corporation

Tech 1, Mechanical EngineeringTechDigital Corporation

Tech 3, Mechanical EngineeringTechDigital Corporation

Senior Engineering Technician (Mechanical Systems)Freeform

Mechanical Engineer IPeregrine Team

Mechanical EngineerDavron LLC

Mechanical EngineerConcorde Battery Corp - California

Thermal / Mechanical EngineerNetlist

Avionics Mechanical EngineerImpulse Space

Mechanical EngineerConnect Staffing and Consulting

Mechanical Engineer Refrigeration/CADTDI REFRIGERATION

Senior Mechanical EngineerGalaxy Technology Hires LLC

Mechanical Engineer (Mid-Level)SMP Engineering

Mechanical Engineer 3Saratech

Mechanical Engineer, Battery Energy Storage SystemsMotive Companies

Mechanical Engineer IIImpulse Space

Mechanical Engineer - Hawthorne, CAConnect Staffing and Consulting

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