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55 mechanical project engineer ii jobs found

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mechanical project engineer ii California
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TS
Mar 28, 2026
Full time
Senior Spacecraft Integration Engineer
Turion Space Irvine, CA, USA
Turion Space is building the autonomous infrastructure required to operate, protect, and sustain the in-space economy. From on-orbit inspection and debris removal to autonomous spacecraft operations powered by Starfire OS, Turion's growth depends on disciplined capital planning, clear financial insight, and strong executive decision support. The Senior Spacecraft Integration Engineer will be responsible for the design, implementation, and continuous improvement of assembly and integration processes for complex spacecraft systems. This role is critical to ensuring our spacecraft are built to the highest standards of quality, reliability, and safety from mechanical integration through electrical assembly. You will work closely with cross-functional teams to resolve manufacturing anomalies, develop and refine processes, and drive efficiency across the production floor. Important Note to Applicants: This role requires prior direct, hands-on assembly and integration experience on...
ET
Mar 26, 2026
Full time
Electrical Engineer
EUV Tech Martinez, CA, USA
Candidates often screen themselves out of job applications if they do not meet all the qualifications. So, please apply if you're excited about a role at EUV Tech-we would love to see your application. At EUV Tech, we enable the frontiers of semiconductor manufacturing and material science through the development of world-leading extreme ultraviolet and soft x-ray instrumentation and techniques. EUV Tech stands at the forefront of the next era in advanced semiconductor manufacturing, delivering new and innovative solutions worldwide. If you are looking to push the limits of cutting-edge technology in an impactful role with a talented team, we would love to hear from you! About the Role The Electrical Engineer II will perform electrical design, assembly, and commissioning of more complex systems and equipment. They will be a key part of major projects, develop system architecture and electrical systems across the product lifecycle. This role requires someone with a strong...
EN
Mar 26, 2026
Full time
Retro Commissioning Engineer II
$111,771 - $149,204 yearly
ENFRA LLC Los Angeles, CA, USA
About Us At ENFRA, we blend a rich history with a forward-looking vision. With over 100 years of experience, we are a pillar of stability in the energy infrastructure industry and a leader in innovative energy solutions. Our commitment to leveraging emerging technologies ensures that we remain at the forefront of the Energy-as-a-Service sector. We believe in growth-not just for our business, but for our people. Our team members have the opportunity to advance their careers in a supportive environment that values continuous learning and development. We embrace innovation and encourage creative problem solving to tackle the energy infrastructure and energy challenges of tomorrow. Inclusion is at the heart of our culture. We strive to create a workplace where every voice is heard and valued, fostering a collaborative environment where diverse perspectives drive our success. Join us to be part of a legacy of excellence and a future of groundbreaking advancements. At ENFRA,...
Ho
Mar 22, 2026
Full time
Manufacturing Engineer 2
Hologic San Diego, CA, USA
Job Description Why join Hologic: You will have the opportunity to get in on the ground floor at a high growth world class manufacturing facility working on life-saving medical devices with potential for future growth. This is a great opportunity to enhance your manufacturing operation skills and knowledge to further your career. What to expect: Hologic is seeking a Manufacturing Engineer II responsible for providing engineering support services including evaluation, purchase, installation, and qualification of new manufacturing equipment and sustainment of existing equipment and processes Provides engineering support for troubleshooting, modifying equipment and processes Supports equipment mechanics, technicians and manufacturing leads Create and/or modifies equipment maintenance procedures Writing and reviewing operating procedures, documents and reports Performs equipment, process and product performance testing Perform process transfers from Engineering...
EU
Mar 22, 2026
Full time
Design Engineer II
$38.00 hourly
Emcor UK San Luis Obispo, CA, USA
About Us We are a full-service HVAC, building automation, chiller, and retrofit contractor with a reputation for combining high-quality consulting services with customized energy solutions. Our integrated, single-source solutions include turnkey in-house capabilities with design assistance, as well as engineering applications and automated control systems. Essential Duties & Responsibilities The Design Engineer II will perform various tasks assigned by the Senior Engineers and Developing the ability to independently conduct job site surveys with a complete understanding of the project's intent and be able to analyze and propose design solutions and installation Developing the ability to conduct audits and surveys as needed independently. Record identifying equipment function, tags, location, capacities, photos, etc. Trace piping and ductwork onto field Developing the ability to independently convert field surveys (sourced from self or others) into useable formats for...
La
Mar 18, 2026
Full time
Engineer-Mechanical II
Lancesoft Carson, CA, USA
Job Description Job Title: Mechanical Engineer II Job Duration: 0-4 months contract Location: 1500 Glenn Curtiss St, Carson, CA 90746, USA Est. Pay Range: $35/hr on w2 Work Type: On Site Job Summary: • Create designs of aircraft interior products ranging from but not limited to bins, galleys, lavatories, or ceiling panels used in commercial and private aircrafts using a computer aided drafting system and support existing designs of products which are manufactured on site. • While creating new designs, considerations of certification, composites/general material selection due to weight restrictions in aircraft, and ease of manufacturing is necessary. • Product designs range from basic interiors products used in regional aircraft and commercial airlines, to first class and high-end private jets products. Duties: • Produce innovative, intelligent designs for production in a timely manner with respect to the project schedule, while optimizing ease of manufacturing, cost,...
RE
Mar 13, 2026
Full time
Engineer II-EPC
Rosendin Electric, Inc. CA, USA
Whether you're a recent grad or a seasoned professional, you can experience meaningful career growth at Rosendin. Enjoy a true sense of ownership as you work with a proven industry leader on some of the most exciting and high-profile projects in the nation. We offer a wide range of job opportunities, competitive compensation, full benefits, an Employee Stock Ownership Plan and more. Why Rosendin? Committed. Innovative. Engaged. If you're looking to take your career to the next level and work with some of the best and brightest in the industry, we want to hear from you. Since our founding over 100+ years ago, Rosendin has been driven to positively impact the communities where we live and work. We are an organization built on integrity and we have a culture that empowers people, embraces diversity, and inspires everyone to do their best. As one of the largest EMPLOYEE-OWNED electrical contractors in the United States, you will have the unique benefit of being a shareholder...
TM
Mar 12, 2026
Full time
Project Engineer
TriMas Corporation Simi Valley, CA, USA
Project Engineer Company: RSA Engineered Products LLC Primary Location: 110 West Cochran Street, Unit A, Simi Valley, CA 93065 USA Workplace Type: On-site Employment Type: Salaried | Full-Time Function: Engineering Equal Opportunity Employer Minorities/Women/Veterans/Disabled Main Duties & Responsibilities Company RSA provides flight-critical components andassemblies for the commercial, defense and business jet markets. RSA designsand produces custom-engineered high pressure/high-temperature ductingassemblies for each customer's specific performance requirements. RSA's Peri-SealTM is one of themost sought after connectors in the aerospace industry. Additionally, RSAdesigns and produces flexible joints and hoses, ozone converters and manycomplex assemblies to meet stringent customer needs. JobSummary: As a direct report to the Engineering Director,the Project Engineer shall be responsible to plan, organize, implement andcontrol a variety of activities related...
ET
Mar 12, 2026
Full time
Electrical Engineer III
$115,000 - $135,000 yearly
EUV Tech Martinez, CA, USA
Candidates often screen themselves out of job applications if they do not meet all the qualifications. So, please apply if you're excited about a role at EUV Tech-we would love to see your application. At EUV Tech, we enable the frontiers of semiconductor manufacturing and material science through the development of world-leading extreme ultraviolet and soft x-ray instrumentation and techniques. EUV Tech stands at the forefront of the next era in advanced semiconductor manufacturing, delivering new and innovative solutions worldwide. If you are looking to push the limits of cutting-edge technology in an impactful role with a talented team, we would love to hear from you! About the Role The Electrical Engineer III will take on a leadership role in the electrical design, assembly, and commissioning of more complex systems and equipment. They will lead major projects, influence system architecture, and take ownership of electrical systems across the product lifecycle. This...
NB
Mar 06, 2026
Full time
Design Engineer II
Niagara Bottling, LLC Diamond Bar, CA, USA
At Niagara, we're looking for Team Members who want to be part of achieving our mission to provide our customers the highest quality most affordable bottled water. Consider applying here, if you want to: Work in an entrepreneurial and dynamic environment with a chance to make an impact. Develop lasting relationships with great people. Have the opportunity to build a satisfying career. We offer competitive compensation and benefits packages for our Team Members. Design Engineer II Design Engineer II is responsible for initial and ongoing evaluation, feasibility analyses, and optimization of Niagara's Mechanical, Electrical, and Plumbing [MEP] system designs. MEP systems include, but are not limited to: product water processing, cooling/chilled water, compressed air, HVAC, and bottling/injection molding production equipment. Detailed Description System Assessments Feasibility analyses and utility consumption modeling for expansion initiatives Evaluation and...
SD
Mar 04, 2026
Full time
Mechanical Design Engineer
Singularity Defense Corp. El Segundo, CA, USA
About the Company: We are a stealth-mode Aerospace & Defense startup headquartered in El Segundo, CA. Our founding team hails from SpaceX, Anduril, and Lockheed Martin, and we are backed by Joint Staff-level military leadership and several Silicon Valley firms. With a world-class business development & leadership team already in place, we are well positioned to capitalize on already overwhelming demand. Job Overview: We are seeking a skilled mechanical design engineer with a strong design and testing background. You will design , prototype, analyze, and test complex vehicle components and systems for aerospace rocket/missile systems. This role will be design high production parts for complex aerospace systems. You will own system components, subassemblies, architecture, and products from conception through to integrated testing and manufacture and be responsible for performance by executing analysis and environmental testing. Responsibilities: Take...
He
Mar 04, 2026
Full time
Process Engineer
$145,000 - $175,000 yearly
Heirloom Brisbane, CA, USA
THE ROLE We are seeking a Process Engineer to join Heirloom's Plant Design Team. You will be responsible for the design, integration, and optimization of critical Balance of Plant (BoP) systems and material handling circuits that enable our carbon removal technology to operate at scale. WHAT YOU'LL DO Own the design and integration of BoP utility systems, including instrument air, process water, cooling water, and fire water. Lead the engineering of material handling systems, focusing on lime hydration, limestone processing, and solids transport. Develop and maintain PFDs, P&IDs, and heat and mass balances for utility and auxiliary systems. Oversee supplier diligence and equipment selection for pumps, compressors, heat exchangers, and solids handling hardware. Drive technical specifications and RFQs for BoP packages, ensuring alignment with overall plant performance targets. Coordinate with R&D to ensure bench/pilot scale data informs the scaling of water...
SL
Feb 28, 2026
Full time
Validation Engineer II
$80,000 yearly
Sunco Lighting, Inc. Santa Clarita, CA, USA
Note to applicants: This is a full-time, onsite position working out of our HQ in Valencia, CA. Who We Are: Sunco is one of the largest and fastest-growing online lighting retailers in the U.S.-and we're just getting started. Headquartered in sunny Valencia, CA, we're powered by an amazing team of people who bring passion, purpose, and innovation to everything they do. What We Do: We light up the world-literally Millions of customers have trusted Sunco for our energy-efficient LED lighting and our commitment to quality, value, and customer care. Whether it's a home renovation or a large-scale commercial project, our mission is to deliver top-tier lighting solutions with unbeatable service and eco-conscious impact. At Sunco, we don't just sell lights-we help our customers see things in a whole new light. Overview As a Validation Engineer II in the lighting industry, you will be responsible for developing, validating, and supporting innovative lighting products...
RW
Feb 26, 2026
Full time
Design Engineer (Tooling)
Rock West Composites San Diego, CA, USA
Rock West Composites, Inc. has an exciting opportunity for a Design Engineer. Rock West Composites, Inc. is an engineering and manufacturing company dedicated to providing innovative solutions for commercial and government customers. This position is located in our San Diego HQ office in San Diego, CA and reports to the Manager of Engineer. This location is primarily a small batch, prototype, and R&D facility supporting DoD, Space, and commercial clients. Position Summary: The Design Engineer will participate in designing, modeling, and generation of drawings of deliverable products, molds, tooling and fixtures in collaboration with program management, customers, manufacturing engineers and production personnel. Design work is primarily conducted in SolidWorks. This position will be supporting tooling for the Rock West Composites Enterprise team. Job Description: Perform computer-aided design of components and subsystems - preferably using SolidWorks™ design package...
SI
Feb 22, 2026
Full time
Design Engineer II
Southland Industries Union City, CA, USA
Job Description Position Summary Watch your engineering designs come to life! As a Design Engineer II at Southland Industries, you'll experience the excitement of working on design-build and design-assist projects in healthcare, education, biotech, mission critical, commercial and entertainment markets. You'll work hand in hand with our model coordinators, estimators, and trade staff through all aspects of a project to create a design that is practical, efficient and cost effective. You'll also have access to internal teams using the most innovative practices in virtual construction design (VDC) and computational fluid dynamics, along with just-in-time feedback from the field. Position Details Performs more complex calculations for a project, such as heating/cooling loads, equipment selection and sizing, friction loss calculations, etc. Prepares preliminary redline design layouts for estimating May be responsible for a single phase of a project Provides guidance to...
UA
Feb 21, 2026
Full time
Senior Engineer-Shop Engineering, Repair and Overhaul
United Airlines, Inc. San Francisco, CA, USA
Description At United, we have some of the best aircraft in the world. Our Technical Operations team is full of aircraft maintenance technicians, engineers, planners, ground equipment and facilities professionals, and supply chain teams that help make sure they're well taken care of and ready to get our customers to their desired destinations. If you're ready to work on our planes, join our Tech Ops experts and help keep our fleet in tip-top shape. Job overview and responsibilities Studies, analyzes, and seeks solutions to problems related to the design, operation, maintenance, performance, modification, or repair of aircraft, and their components Uses a structured, logical, and analytical approach in problem solving Defines maintenance program, configuration, and serviceability criteria ensuring safe and legal operations Analyzes and implements regulatory requirements Evaluates the effects of modifications or new equipment on reliability and performance Evaluates the...
UA
Feb 06, 2026
Full time
Senior Line Engineer
$10,000 monthly
United Airlines, Inc. Los Angeles, CA, USA
Description At United, we have some of the best aircraft in the world. Our Technical Operations team is full of aircraft maintenance technicians, engineers, planners, ground equipment and facilities professionals, and supply chain teams that help make sure they're well taken care of and ready to get our customers to their desired destinations. If you're ready to work on our planes, join our Tech Ops experts and help keep our fleet in tip-top shape. Job overview and responsibilities Senior Line Engineers are part of a service engineering team that provide 24/7 engineering technical support for United Airlines Worldwide fleet of operational aircraft to ensure the timely return to service. Provide engineering support for a wide range of aircraft systems, maintenance programs, engines as well as operational engineering functions. Studies, analyzes, and seeks solutions to problems related to the design, operation, maintenance, performance, modification, or repair of aircraft,...
RW
Jan 14, 2026
Full time
Manufacturing Engineer
Rock West Composites San Diego, CA, USA
Rock West Composites, Inc. has an exciting opportunity for a Manufacturing Engineer. Rock West Composites, Inc. is an engineering and manufacturing company dedicated to providing innovative solutions for commercial and government customers. This position is located in our San Diego HQ office at 7625 Panasonic Way San Diego, CA and reports to the Director of Engineer. This location is primarily a small batch, prototype, and R&D facility supporting DoD, Space, and commercial clients. Position Summary: The Manufacturing Engineer is expected to oversee the activities associated with the planning, development, implementation and maintenance of manufacturing methods, processes and operations for new and existing products. This includes ensuring the effective use of materials, equipment, tooling and personnel in producing quality products at minimum costs. Under limited supervision, determines, for programs of the highest complexity for any customer, the optimal manufacturing...
MS
Jan 09, 2026
Full time
Facilities Engineer II
Muon Space San Jose, CA, USA
About the role Muon seeks a Facilities Engineer to join our Facilities team. You will help design, build, activate and maintain our next-generation spacecraft manufacturing facilities. You will be able to operate with autonomy to solve diverse and complex problems, excel at managing multiple projects at a time and work in a dynamic, fast-paced environment. As a Facilities Engineer, you will participate, coordinate, and execute infrastructure projects as well as oversee ongoing operations and maintenance of facilities, equipment, and utilities. This will involve corrective, preventive, and predictive maintenance techniques as well as operational and design feedback for maintaining and improving all systems at Muon Space's San Jose facility. Responsibilities Lead internal technical facilities and infrastructure projects, consulting engineers and contractors throughout the entirety of the engineering, procurement, construction, commissioning, documentation and maintenance...
BI
Nov 21, 2025
Full time
Test Engineer II
Biolinq Incorporated San Diego, CA, USA
Job Type Full-time Description About the Company Biolinq is a venture-backed digital health company developing a wearable biosensor platform that measures biomarkers important to the management of many clinical conditions including diabetes. This dynamic role is a part of a team of engineers and scientists developing a novel intradermal biosensor technology and the associated software data extraction and rendering SDK that will transform the way people manage their metabolic health. Job Purpose Biolinq is seeking a highly motivated and collaborative Test Engineer II with experience in design verification and/or validation, including human factors and usability testing. This individual will play a key role in testing Biolinq's current and next-generation systems by developing requirements, conducting risk analyses, creating innovative test methods and systems, and executing verification and validation tests to support clinical studies and regulatory submissions. The...
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