1,271 Results for

Mechanical Engineering Jobs in Lake Forest, CA

Jobs

Irvine, CA11 days ago

$28–$33 Per Hour
Full-time
Employee

You'll have the chance to put your skills to the test, assembling a variety of testers, rack assemblies, cables and harnesses along with various other mechanical assemblies and installing and soldering components onto PCB. We work with some of the biggest names in commercial and military electronic systems, providing a fast-paced and innovative work environment where the work is never boring.

New!

Riverside, CAToday

$115,000–$135,000 Per Year

We offer a setting where your impact is visible, your ideas are heard, and your leadership helps guide long-term growth—making it an ideal place for those seeking both responsibility and meaningful influence in a stable, essential-services business. The successful candidate will provide technical leadership, oversee engineering and maintenance functions, and implement initiatives that deliver measurable improvements in productivity, quality, cost reduction, and automation.

Tustin, CA30+ days ago

Temporary

In this role, you will assemble, build, and test a variety of electronic equipment using hand tools, fixtures, work instructions, and engineering drawings. Assemble electro- mechanical components using hand tools, fixtures, and detailed work instructions.

New!

Riverside, CAToday

$75,000–$95,000 Per Year

We offer a setting where your impact is visible, your ideas are heard, and your leadership helps guide long-term growth—making it an ideal place for those seeking both responsibility and meaningful influence in a stable, essential-services business. 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, CAToday

$110,000–$180,000 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. We develop creative and effective solutions to meet our employee’s and clients’ needs, creating a culture that acknowledges achievements and encourages professional development while providing challenging project work and career Advancement.

New!

Brea, CAToday

$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!

Garden Grove, CAToday

$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.

Grand Terrace, CA21 days ago

$138,000–$152,000

PSG offers a unique combination of the both small company atmosphere: with an ownership mindset that allows you to make close-to-the-customer decisions; an innovative approach in seeing beyond what is possible today and entrepreneurial spirit in the pursuit of new opportunities; combined with benefits of a large company’s scale, tools, expertise, and financial strength with Dover. These engineering activities include timely launches of new products, qualification of component modifications and/or new suppliers for cost savings, disposition of non-conforming products and any other technical support of the products to successfully source, build and deliver products to our customers.

New!

Garden Grove, CAToday

$75,000–$100,000 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 a strong focus on engineering support, advanced manufacturing processes, and end-to-end production, they play a key role in helping customers bring complex, high-performance products to market.

Irvine, CA19 days ago

You'll have the chance to put your skills to the test, qualifying military products and ensuring electronic and electro-mechanical assemblies and products are properly designed to enable operation in harsh environments such as airborne, vehicle, and flight line. Responsibilities: Ensuring electronic and electro-mechanical assemblies and products are properly designed to enable operation in harsh environments such as airborne, vehicle, and flight line.

New!

Ontario, CA4 days ago

$95,000–$115,000

The Reliability Engineer supports cement plant Maintenance and Production departments with problem solving and project execution in order to reduce time, improve process and lower operating costs by effectively applying Reliability Engineering methods and predictive/preventive maintenance programs. Work closely with the Maintenance Planner, Maintenance Engineer, and Purchasing to ensure that all necessary inventories are established for spare parts and most common repair parts for critical equipment.

New!

Santa Ana, CA5 days ago

$152,506–$165,000 Per Year
Full-time

Requires a Bachelor’s degree or foreign equivalent in Mechanical Engineering, Robotics Engineering or a related field, and at least 6 years of experience in Precision Mechanical Engineering Design or a related occupation. Senior Engineer I, WB Mechanical (Kulicke & Soffa Industries)(Santa Ana, CA): Analyze, design, and test electro-mechanical systems for high-performance multi-axis robotic semiconductor manufacturing and process equipment.

Ontario, CA30+ days ago

Summary of Position: As the Director of Mechanical Engineering, supporting our Architecture and Engineering business unit, you are responsible for leading, coordinating and overseeing all activities, projects and personnel within the mechanical engineering discipline. Established in 1999, the company offers integrated solutions with seamless continuity, and many of the world's most notable brands count on Core States Group to deliver speed to market, cost certainty, and compelling design.

Long Beach, CA30+ days ago

$74,652–$158,688 Per Year

CSULB is committed to serving diverse students and has established and actively supports the Black Excellence Collegium, dedicated to promoting Black excellence and advancing Black Student Success, and El Concilio for Latinx Success at the Beach, whose mission is to build capacity and promote inclusive servingness across initiatives and efforts for the benefit of all students. CSULB seeks to recruit faculty who enthusiastically support the University's strong commitment to the academic success of all our students, including students of color, students with disabilities, students who are first generation to college, veterans, students with diverse socio-economic backgrounds, and students of diverse sexual orientations and gender expressions.

Irvine, CA14 days ago

$140,000–$200,000 Per Year

The Mechanical Engineering Manager maintains a high-performing engineering team through manpower management, team development, recruiting, and hiring while proactively collaborating with functional and business leadership teams to support business and program requirements. Terran Orbital provides end-to-end satellite solutions by combining satellite design, production, launch planning, mission operations, and on-orbit support to meet the needs of the most demanding military, civil, and commercial customers.

Costa Mesa, CA17 days ago

$166,000–$220,000 Per Year

As the world enters an era of strategic competition, Anduril is committed to bringing cutting-edge autonomy, AI, computer vision, sensor fusion, and networking technology to the military in months, not years. To ensure your safety and help you navigate your job search with confidence, please keep the following critical points in mind: No Financial Requests: Anduril will never solicit payment or demand personal financial details (such as banking information, credit card numbers, or social security numbers) at any stage of our hiring process.

Irvine, CA30+ days ago

The ideal candidate will be responsible for designing, developing, implementing, and supporting test solutions for manufacturing and operational processes. This includes automated test systems, diagnostics, calibration, and verification tools to ensure the quality and reliability of products during production.

Pomona, CA30+ days ago

$5,507–$6,677

The College offers 12 ABET-accredited undergraduate degrees and 7 master's degrees to over 7,100 students across seven academic departments that include: Aerospace Engineering, Chemical and Materials Engineering, Civil Engineering, Electrical and Computer Engineering, Electromechanical Engineering Technology, Industrial and Manufacturing Engineering, and Mechanical Engineering. Teach assigned division courses in the department's curriculum; hold weekly office hours commensurate with the assigned teaching unit load; and respond to student inquiries related to course registration, homework assignments, exam preparation, and grading.

Irvine, CA30+ days ago

$140,000–$220,000 Per Year

Fullerton, CA30+ days ago

$6,608.40–$7,465.20

As part of the Titan Community, you have access to many campus facilities and services including but not limited to the Grand Central Art Center in Santa Ana, CSUF Garden Grove Center, Fullerton Arboretum, cultural events and performances in the Clayes Performing Arts Center, Cal State Fullerton Athletics sports events, Titan Recreation Center, and the Employee Wellness Program. In accordance with the California State University (CSU) Out-of-State Employment Policy, the CSU is a state entity whose business operations reside within the State of California and requires hiring employees to perform CSU related work within the State of California.

Irvine, CA19 days ago

Nikkiso ACD is an engineering and manufacturing company specializing in machinery designed to operate at cryogenic temperatures as low as - 420 degrees Fahrenheit, the boiling point of Liquid hydrogen. Nikkiso Clean Energy & Industrial Gases is a leading provider of cryogenic pumps heat exchangers process systems services and solutions for the LNG and industrial gases industry.

Brea, CA30+ days ago

Requirements: 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. Bachelor of Science in a technical area and at least 2-4 year of experience in a laboratory/R&D setting following written procedures and working collaboratively with a team.

Brea, CA30+ days ago

Preferred requirement: Bachelor of Science in a technical area and at least 1 year of experience in a laboratory/R&D setting following written procedures and working collaboratively with a team. 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.

Brea, CA30+ days ago

Irvine, CA30+ days ago

A focus on experience and relationships in the A/E industry to contribute to the overall strategic and tactical leadership of the Stantec Health Sector engineering discipline, building and leading the health sector engineering practice in the Los Angeles area. Interface regularly with additional architectural, mechanical engineering and electrical engineering leaders in US West and across North America to thrive and contribute within the integrated design practice.

Brea, CA30+ days ago

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. Bachelor of Science in a technical area and at least 2-4 year of experience in a laboratory/R&D setting following written procedures and working collaboratively with a team.

Brea, CA30+ days ago

Irvine, CA24 days ago

$19–$21 Per Hour

NV5 is a provider of engineering and consulting services to public and private sector clients, delivering solutions through six business verticals: Testing, Inspection & Consulting; Infrastructure; Utility Services; Environmental Health Sciences; Buildings & Program Management; and Geospatial Technology. As engineers, architects, construction/program managers, environmental professionals and beyond, we play a significant role in shaping our communities through the services we provide.

Irvine, CA30+ days ago

Job Category*Select a FunctionHealth Economics & Outcomes ResearchProfessional Services GroupBusiness Development - M&A GroupLaw GroupGeneral Management GroupCommunications & Public RelationsRegulatory AffairsResearch & DevelopmentMedical / Clinical AffairsShared Service Management & Business ProcessAdministrative Services & TransportationEnvironmental, Health, Safety & SustainabilityCustomer ServiceProcurement GroupHuman ResourcesSoftware EngineeringProject ManagementFinanceInformation TechnologyQualitySupply ChainMarketingSales SupportEngineeringSalesOperations. BD and its affiliates and subsidiaries (BD) do not accept any liability for fees for resumes from recruiters or employment agencies ("Agency"), without a binding, written recruitment agreement between BD and Agency describing the services and specific job openings ("Agreement").

Long Beach, CA14 days ago

To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. Our Space Systems business designs and builds our extensive line of satellites, payloads, and their components, including spacecraft that have been selected to support NASA missions to the Moon and Mars and components used on the James Webb Space Telescope.

La Palma, CA30+ days ago

Marathon Pipe Line Company (MPL) - MPL operates pipeline systems that move crude oil from production fields, other pipeline companies, and offshore platforms to MPC refineries, other refineries, and other pipeline systems. Other responsibilities may include: • Development of project scope • Engineering oversight • Technical design • Cost estimating • Schedule development • Evaluating and summarizing bid sets • Construction supervision • Safety leadership • Coordination with operations groups • Project documentation.

Irvine, CA12 days ago

$300,389–$367,143 Per Year

The Director, Mechanical and Flight Systems Engineering (M&FS) is responsible for guiding the development and certification of innovative dynamic systems (rotors, gearboxes), airframe, materials & processes, avionics, actuation, landing gear, cockpit controls, and interiors designs to achieve functional and performance requirements. Collaborate closely with "upstream" (Flight Tech, Product) and "downstream" (Manufacturing, Supply Chain, Certification) internal stakeholders and suppliers to execute M&FS program work statement through all phases: requirements & concept development, engineering integration & design, manufacturing, testing, qualification, certification & production.

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. 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.

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. Preferred requirement: Bachelor of Science in a technical area and at least 1 year of experience in a laboratory/R&D setting following written procedures and working collaboratively with a team.

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.

Irvine, CA17 days ago

$95,000–$105,000 Per Year

Have first-hand knowledge/experience in creating process flow map, developing project plan using MS Project Gantt's, Organize and Manage individual project plan/schedule. Personal computer skills, Microsoft Project, Windows: word processing, project planning, presentation, e-mail, web browsers & spreadsheet software.

Foothill Ranch, CA30+ days ago

GENERAL JOB DESCRIPTION: Chroma Systems Solutions, Inc. is a leading designer and manufacturer of power testing instruments and systems including programmable AC Power Source and DC Power Supplies, AC loads and DC Electronic Loads, Digital Power Meters and Automated Testing Systems for applications in LED Lighting, Led Drivers, Aerospace, Defense, Military, Automotive, Medical, Battery, Solar, Marine, and Regulatory Testing. About the Organization Chroma Systems Solutions, Inc. is a leading designer and manufacturer of power testing instruments and systems including programmable AC Power Source and DC Power Supplies, AC loads and DC Electronic Loads, Digital Power Meters and Automated Testing Systems for applications in LED Lighting, Led Drivers, Aerospace, Defense, Military, Automotive, Medical, Battery, Solar, Marine, and Regulatory Testing.

Huntington Beach, CA17 days ago

Own avionics enclosure and electronics packaging design with a strong emphasis on practical EMI/EMC mitigation techniques such as grounding/bonding strategies, shielding effectiveness, cable entry management, conductive gasketing, filtered connectors, and enclosure seam design. Work cross-functionally with electrical, firmware, systems, manufacturing, and test teams to manage packaging constraints, connector interfaces, harness architecture, grounding schemes, and hardware bring-up through flight qualification.

Tustin, California30+ days ago

Our specialized experience includes design for data centers, healthcare, science and technology, high-rise buildings, clean energy, education, and other building types as well as structural and building sciences, infrastructure asset management, advanced robotics, and more. Our technical expertise is paired with an exceptional team of business development, human resources, finance and accounting, information technology, and marketing professionals, all of whom play a key role in bringing our commitments to life every day.

Tustin, CA30+ days ago

$70,000–$110,000 Per Year

Long Beach, CA14 days ago

$125,000–$175,000 Per Year

Long Beach, CA14 days ago

$125,000–$175,000 Per Year

Huntington Beach, CA30+ days ago

Mach Industries is seeking a Mechanical Engineer to join our team in designing, prototyping, and iterating on mechanical and electromechanical systems that support next-generation defense platforms. Mach participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S. The salary range for this role is an estimate based on a wide range of compensation factors, inclusive of base salary only.

Irvine, CA30+ days ago

The Mechanical Engineer will carry out engineering assignments concerned with the planning, design and testing of mechanical equipment, systems, and processes. Works under supervision, performs assignments of medium complexity and may assist senior engineers with more complex assignments.

Fountain Valley, CA30+ days ago

$103,500–$181,100 Per Year

As a Principal Mechanical Engineer, you'll: Design Excellence: Develop detailed designs for mechanical piping systems, reclaimed water systems, lift stations, and wastewater treatment facilities. We take special pride in projects and solutions that improve communities as well as people's quality of life by promoting economic growth, enhancing mobility, and increasing sustainability and resiliency.

Irvine, California30+ days ago

With a decade-long track record of deploying solutions in the field, winning DARPA challenge segments, and bringing expertise from organizations like DeepMind, NASA JPL, Boston Dynamics, NVIDIA, Amazon, Tesla Autopilot, Cruise Self-Driving, Zoox, Toyota Research Institute, and SpaceX, we are set to achieve our ambitious goals. Our work spans the full hardware stack designing and integrating sensing systems (LiDAR, camera, TOF, IMU, GPS), embedded compute (CPUs, GPUs, microcontrollers, Linux, ROS), electrical systems (power distribution, communication), and mechanical components (structures, thermal regulation, ingress protection).

Chino, CA30+ days ago

Our instruments-ranging from dynamic optical delay/phase management, high-speed polarization state management, full function polarization light analyzer-are critical for optical communications, fiber optic sensing, silicon photonics testing and new generation photonic integrated circuits (PICs) and ASIC hybrid/co-packaging (CPO). Precision optical instruments don't just need great optics-they need mechanical designs that protect and position those optics, manage heat in increasingly compact enclosures, and hold tight tolerances across optical, electrical, and mechanical interfaces.

New!

Tustin, CA3 days ago

$70,000–$110,000 Per Year
Part-time

Irvine, California11 days ago

You’ll be directly involved in designing the mechanical building blocks that make complex systems work—helping ensure performance, reliability, manufacturability, and cost targets are met. We’re looking for a Mechanical Engineer to help design and integrate complex mechanical and electromechanical systems powering next-generation hardware—spanning positioning, propulsion, environmental control, and energy management.

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Mechanical Engineering Jobs in Lake Forest, CA

Electro-Mechanical Assembler Marvin Test Solutions, Inc.

Manufacturing Engineering Manager Jobot

Electro Mechanical Assembler Kinetic Personnel Group

Product Development Engineer Jobot

Data Center Controls Engineer Jobot

Manufacturing Engineer Jobot

CNC Programmer (relocation provided) Jobot

Engineering Manager PSG

Planner/Scheduler Jobot

Reliability Engineer – MB2023 Marvin Test Solutions

Reliability Engineer CalPortland

Senior Engineer I, WB Mechanical Kulicke & Soffa Industries

Director of Mechanical Engineering Core States Group

Assistant Professor of Mechanical and Aerospace Engineering (Space Systems Engineering) California State University

Mechanical Engineering Manager Terran Orbital Corporation

Senior Manager, Battery Mechanical Engineering Anduril Industries Inc

Test/NPI engineer with a strong mechanical engineering background Karwell Technologies

Lecturer AY - Mechanical Engineering California State University

Mechanical Engineering Manager Terran Orbital Corp

Mechanical Engineering - Part-Time Lecturer Pool California State University

Mechanical Engineering Summer Intern Cryogenic Industries Inc

Tech 3, Mechanical Engineering Karwell Technologies

Tech 2, Mechanical Engineering Karwell Technologies

Tech 1, Mechanical Engineering Karwell Technologies

Principal, Healthcare Mechanical Engineering - Los Angeles, CA Stantec Inc

Tech 3, Mechanical Engineering Katalyst Healthcares & Life Sciences

Tech 2, Mechanical Engineering Katalyst Healthcares & Life Sciences

Tech 1, Mechanical Engineering Katalyst Healthcares & Life Sciences

Intern - Mechanical/Plumbing Engineering NV5

Sr. Engineer, R&D - Mechanical Engineering Becton Dickinson and Co

Mechanical Engineering Intern Fall 2026 Rocket Lab Corporation

Intern/Co-op - Midstream Logistics and Storage Mechanical/Civil/Electrical Engineering (Spring 2027) Marathon Petroleum Corp

Director, Mechanical and Flight Systems Engineering Supernal LLC

Tech 2, Mechanical Engineering TechDigital Corporation

Tech 1, Mechanical Engineering TechDigital Corporation

Tech 3, Mechanical Engineering TechDigital Corporation

Mechanical Engineering Lead Tata Consultancy Services Ltd

Jr. Mechanical Engineer Chroma Systems Solutions, Inc.

Mechanical Engineer - Avionics Integration Mach Industries

Mechanical Engineer Salas O'Brien

Mechanical Engineer Salas O'Brien Engineers Inc

Senior Spacecraft Mechanical Engineer I/II - Secret Rocket Lab Corporation

Senior Spacecraft Mechanical Engineer I/II Rocket Lab Corporation

Mechanical Engineer Mach Industries

Mechanical Engineer II NR Consulting LLC

Senior Mechanical Engineer - Wastewater Parsons Corp

Mechanical Engineer, Robotics Hardware FieldAI

Mechanical Engineer Luna Innovations Inc

Mechanical Engineer Salas O'Brien, Inc.

Mechanical Engineer Neon Aero, Inc

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