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52 principal process engineer jobs found

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PI
Jan 19, 2026
Full time
Aerospace Principal Process Engineer
PPG Industries, Inc. Los Angeles, CA, USA
PPG's Aerospace Business is looking for an experienced Principal Process Engineer to lead the design, control, and advancement of our manufacturing processes in Sylmar, California. In this role, you will own process capability and performance across the manufacturing lifecycle. You will serve as a team lead and handle larger scope projects while partnering closely with the Operations, Quality, and Engineering teams. This is an onsite role working in our Sylmar, CA facility and reporting to the Senior Manager of Plant Operations Engineering. Key Responsibilities Own manufacturing process capability by defining, modeling, measuring, and improving process performance using statistical and data-driven methods. Develop and maintain robust control plans, process specifications, and procedures for new and existing manufacturing processes to ensure stable, repeatable, and high-quality performance. Analyze process performance data, monitor critical inputs and outputs, establish...
SA
Mar 03, 2026
Full time
Principal Engineer, Aircraft Thermal (R4353)
$194,094 - $291,140 yearly
Shield AI San Diego, CA, USA
Founded in 2015, Shield AI is a venture-backed deep-tech company with the mission of protecting service members and civilians with intelligent systems. Its products include the V-BAT and X-BAT aircraft, Hivemind Enterprise, and the Hivemind Vision product lines. With offices and facilities across the U.S., Europe, the Middle East, and the Asia-Pacific, Shield AI's technology actively supports operations worldwide. For more information, visit www.shield.ai. Follow Shield AI on LinkedIn, X, Instagram, and YouTube. Job Description: Are you a passionate and innovative thermal engineer looking to help develop the next generation VTOL strike aircraft? Are you eager to make a positive difference in the world? Do you want to work alongside mission-driven and values-focused teammates? Shield AI is just the place for you! As the Principal Aircraft Thermal Engineer you will lead the charge in solving the most challenging thermal problems on the XBAT aircraft program, including hot...
ST
Mar 01, 2026
Full time
Senior Engineer
Solar Turbines Incorporated San Diego, CA, USA
Career Area: Engineering Job Description: Your Work Shapes the World at Caterpillar Inc. When you join Caterpillar, you're joining a global team who cares not just about the work we do - but also about each other. We are the makers, problem solvers, and future world builders who are creating stronger, more sustainable communities. We don't just talk about progress and innovation here - we make it happen, with our customers, where we work and live. Together, we are building a better world, so we can all enjoy living in it. The customer Services Package Refurb & Upgrades (PRU) Business Unit has seen tremendous growth in the last two years. If you have wondered how Solar Turbines supports ~15,000 existing packages in the field and upgrades equipment over the years, this position is a great fit for you! We are team of over 150 Engineers of various disciplines. You will design mechanical solutions that support upgrading older systems to the latest standard for various...
RI
Mar 01, 2026
Full time
(Sr.) Materials R&D Engineer
$108,000 - $132,000 yearly
Rangeview Inc. El Segundo, CA, USA
Company Overview Rangeview is on a mission to build the foundry system that reindustrializes America. We exist to break the legacy manufacturing trap by reinventing critical production for the twenty-first century. Through advanced software, deep automation, breakthroughs in materials science, and modern financing strategies, Rangeview rewrites both the cost curve and the power structure of making metal parts. Job Summary As a Materials R&D Engineer, you will be responsible for materials and process development of our ceramic 3D printing mold production process. A successful candidate for this role will demonstrate creativity, integrity, determination, humility and outstanding capacity for first-principles analytical thinking. Rangeview has been developing a unique process to produce fine-featured parts out of high temperature superalloys that cannot be produced by any other manufacturing process. This is a foundational member of that R&D team, with major opportunity...
HZ
Feb 25, 2026
Full time
Senior Civil Engineer/Project Manager
$152,000 - $178,000 yearly
Huitt-Zollars, Inc San Diego, CA, USA
Job Type Full-time Description Senior Civil Engineer/Project Manager - Federal, Institutional, Public Works Role Description: Huitt-Zollars, Inc has full-time opportunity for a Senior Civil Engineer for our San Diego office with at least 10 years of engineering design experience with Federal, Institutional, Public Works clients. Must be a registered California Professional Engineer. Duties include but are not limited to, initial project research, plan production, management of plan production staff, plan processing, management of plan processing efforts, construction administration, and project close out efforts. Location: San Diego, California Employment Type: 40 FT Hours Compensation Type: Salary Registration(s): Registered Professional Engineer (PE License) Required Education: Bachelor's Degree in Engineering Duties: Serve as a Lead Civil Engineer within the Federal practice with Institutional and Public Works experience in the development of...
hM
Feb 20, 2026
Full time
Principal Electrical Engineer
$145,000 - $165,000 yearly
huMannity Medtec Santa Clarita, CA, USA
At HuMannity Medtec, we pioneer life-enhancing medical technologies for under met healthcare needs. Come join our team of engineers, scientists and medical device experts who are inspired to develop innovative solutions for tomorrow's challenges. If you'd like to join a high-reward, truly inspiring environment with an experienced, diverse team working at their best every day, and take your career to the next level, apply today! We truly understand the need for balance and, among other things and offer a 9/80 schedule with every other Friday off. That's 26 long weekends a year! Summary: As a key member of the EE team, this Principal Electrical Engineer will participate in all phases of the product development of medical devices from early concept through qualification, field test, and clinical use. This role will research, develop, design, prototype, and test electrical components, circuits, equipment, and systems that support active medical implant technology. Apply engineering...
JA
Feb 09, 2026
Full time
Senior Cabin Design Engineer
$149,000 - $204,000 yearly
Joby Aviation Santa Cruz, CA, USA
Company Overview Imagine a piloted air taxi that takes off vertically, then quietly carries you and your fellow passengers over the congested city streets below, enabling you to spend more time with the people and places that matter most. At Joby, we've been working to make that dream a reality since 2009 and we're now in the final stages of certifying our aircraft with the FAA. With plans to launch our aircraft in the US and Dubai, we're now scaling manufacturing and preparing for the launch of our commercial service. Overview Joby Aviation is seeking an experienced Cabin Design Engineer to join our Airframe team here in Santa Cruz, CA. This is an exciting role involving managing the design, development, certification, and testing of the interior of the Joby aircraft. In this position, the individual will have a balanced responsibility of designing components, managing suppliers, system engineering, and certification. This role integrates the incredibly important balance of...
CH
Feb 07, 2026
Full time
Principal Civil Engineer
Citrus Heights, CA Citrus Heights, CA, USA
Salary : $124,603.07 - $155,612.16 Annually Location : Citrus Heights, CA Job Type: Full-Time Job Number: 2026-00006 Department: General Services Division: Operations Opening Date: 02/05/2026 Description Important Recruitment Infor mation: The City is offering a hiring incentive of $14,000 for this position! Apply now and join a great team! Open Until Filled - Applications will be reviewed on a weekly basis (continuous filing) 1st Round Interviews - TBD About the Position The Engineering Division provides project and program support of activities primarily in the public right-of-way. The projects generally include public infrastructure such as roads, streets, bridges, signals and lighting, and stormwater facilities. The Principal Civil Engineer plans, organizes and directs the performance of professional engineering section activities of a complex nature involving engineering planning and design, construction project management of various capital...
Lo
Feb 06, 2026
Full time
Principal Mechanical Engineer- Video Collaboration
Logitech San Jose, CA, USA
Logitech is the Sweet Spot for people who want their actions to have a positive global impact while having the flexibility to do it in their own way. Logitech is the Sweet Spot for people who want their actions to have a positive global impact while having the flexibility to do it in their own way. The Team and Role: We're looking for a Principal Mechanical Engineer to be a senior technical leader and decision-maker on our Video Collaboration product development team. This is a hands-on leadership role where you'll drive architecture decisions, resolve complex cross-functional challenges, and partner with regional engineering leadership to deliver world-class products. Our products are highly integrated systems combining cameras, speakers, microphones, displays, dense compute, complex thermals, and precision mechanisms. You'll work across the full product lifecycle (from early concept through mass production) partnering closely with Industrial Design, Product Management,...
Co
Jan 31, 2026
Full time
Assistant Electric Utility Engineer
City of Santa Clara, CA Santa Clara, CA, USA
Salary : $145,678.08 - $185,797.44 Annually Location : Santa Clara, CA Job Type: Full-Time Job Number: 11-26-230 Department: Electric Utility Opening Date: 01/29/2026 Closing Date: Continuous FLSA: Non-Exempt Bargaining Unit: 4 Weighting Plan: 100% Oral, Qualifying Written Description The Department: Silicon Valley Power (SVP) currently provides over 40 percent of Santa Clara's electricity from carbon-free renewable resources. In addition to using green energy from large-scale wind, solar, geothermal and hydroelectric projects outside of the area, SVP employs innovative ways to locally produce electricity by capturing and burning methane gas from a closed city landfill and using power from solar generating systems on city-owned garages and vacant, unusable land. It is the mission of SVP to be a progressive, service-oriented utility, offering reliable, competitively priced services for the benefit of Santa Clara and its customers. Being competitive in the...
TM
Jan 29, 2026
Full time
Senior Manufacturing Engineer
TriMas Corporation Simi Valley, CA, USA
Senior Manufacturing 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 RSA providesflight-critical components and assemblies for the commercial, defense andbusiness jet markets. RSA designs and produces custom-engineered highpressure/high-temperature ducting assemblies for each customer's specificperformance requirements. RSA's Peri-SealTM is one of the mostsought-after connectors in the aerospace industry. Additionally, RSA designsand produces flexible joints and hoses, ozone converters and many complexassemblies to meet stringent customer needs. Job Summary: Responsible for planning, directing and coordinating manufacturing processesthroughout the company to meet production requirements. Help plan anddrive tooling...
IE
Jan 21, 2026
Full time
Fiber Optics Process & Product Engineer
Impact ES-Ventura Ventura, CA, USA
Principal Accountabilities: Position Summary The Fiber Optics Process & Product Engineer is responsible for the design, development, optimization, and oversight of fiber optic cable assembly processes within a manufacturing environment. This role requires in-depth technical knowledge of fiber optic systems, cable types, splicing and termination methods, and manufacturing quality standards. The Engineer will work closely with production teams to improve assembly techniques, ensure product quality, troubleshoot technical issues, and support the development of new fiber optic products. Key Responsibilities Design and develop fiber optic cable assemblies and manufacturing processes. Create and maintain engineering documentation, including technical drawings, process flows, work instructions, and BOMs. Oversee fiber optic splicing, termination, testing, and inspection processes to ensure compliance with performance and quality standards. Analyze and resolve technical...
Di
Jan 16, 2026
Full time
Chief Engineer, Product Engineering (Aerospace & Defense)
$179,630 - $247,005 yearly
Divergent Torrance, CA, USA
Divergent is a technology company that has architected, invented, built, and commercialized an end-to-end factory system called the Divergent Adaptive Production System (DAPS) that comprehensively uses machine learning to optimally engineer, additively manufacture, and flexibly assemble complex integrated vehicle structures and subsystems. Products created using DAPS are superior in performance, lower in cost, rapidly customizable to meet mission and customer-specific requirements, faster to market, and scalable on demand to high volume production. Divergent is a qualified Tier 1 supplier to global automotive OEMs, and Divergent is now expanding to support mission critical needs in the Aerospace and Defense sector. Join us to be a part of this transformative journey, where your impact will shape the future of technology and production. Purpose Divergent is seeking a Chief Engineer - Munitions Systems to lead the development of next-generation munitions architectures. This is a...
BH
Jan 15, 2026
Full time
Principal Mechanical Engineer
$185,000 - $235,000 yearly
Buro Happold Los Angeles, CA, USA
Start designing tomorrow's future! Are you a visionary Mechanical Engineer with a passion for innovation and a proven track record of successful project leadership? We are seeking a highly skilled and experienced Principal level Engineer to join our dynamic team at Buro Happold. As a Principal Engineer, you will play a pivotal role in providing technical expertise and leadership to our Building Environments Group. Come join our hybrid team based in Los Angeles, California! Here at Buro Happold, expect the exceptional. From the projects you will work on to the clients we work with. From career-defining opportunities to an inclusive and diverse practice where we all contribute to a more equitable world. From our reputation to our relationships. Wherever your Buro Happold career takes you, it'll be anything but ordinary. Your next role Buro Happold has a clear strategic plan, strong learning culture and entrepreneurial mindset that will allow you to thrive....
Sp
Jan 09, 2026
Full time
Manufacturing Engineer
Senior plc Santa Clarita, CA, USA
Company Description Who is Senior plc? Senior plc is an international, market-leading, engineering solutions provider with 26 operating businesses in 12 countries. Senior designs, manufactures and markets high-technology components and systems for the principal original equipment producers in the worldwide aerospace, defense, and land vehicle and power & energy markets. The Group is split into two divisions, Aerospace and Flexonics, servicing five key sectors. Our global values underpin what we do, and how we do it ... Safety - Integrity - Customer Focus - Respect & Trust - Accountability - Excellence Who is Senior Aerospace Spencer? Senior Aerospace Spencer is an engineer-driven organization focused on high-pressure hydraulic fluid fittings for use in commercial and military aerospace applications. We specialize in source-controlled, standard, and proprietary fittings. Senior Aerospace Spencer also identifies solutions for fluid conveyance challenges related...
SC
Dec 22, 2025
Full time
Principal Air Quality Engineer/ Scientist
SLR Consulting Limited Irvine, CA, USA
Breath new life into your career! Are you passionate about clean air and a healthier environment? Join our Air Quality environmental consulting team in sunny Irvine, California! Work where innovation meets sustainability, helping clients navigate air quality regulations and drive real environmental impact. Here, you'll collaborate with top industry experts to tackle complex challenges in a fast-growing organization, while enjoying everything SoCal has to offer. We are SLR Consulting (US), a 500+ coast-to-coast team of advisory, environmental/engineering, and regulatory professionals. We deliver environmental and sustainability services to our clients through the integration of over 30 advisory, technical environmental, and engineering disciplines to help clients address some of their most complex challenges around sustainability. We are Making Sustainability Happen. As our new principal-level air quality Engineer or Scientist, you will play an important role on a team whose...
BH
Dec 03, 2025
Full time
Associate Principal Mechanical Engineer
Buro Happold Los Angeles, CA, USA
Start designing tomorrow's future! Buro Happold has an exciting opportunity for a talented and experienced Mechanical Engineer to join our hybrid team in Los Angeles, California! The Associate Principal Mechanical Engineer will play a pivotal role in providing technical expertise and leadership to our Building Environments Group. You will work closely with clients, architects, other Buro Happold Engineers, and/or design team members as part of a dedicated and skilled team. Here at Buro Happold, expect the exceptional. From the projects you will work on to the clients we work with. From career-defining opportunities to an inclusive and diverse practice where we all contribute to a more equitable world. From our reputation to our relationships. Wherever your Buro Happold career takes you, it'll be anything but ordinary. Your next role Join us and be surrounded by exceptional opportunities in an environment alive with innovation and possibility. Your new team...
QS
Oct 25, 2025
Full time
PMTS, Mechanical Design Engineer
$160,700 - $217,000 yearly
QuantumScape Corporation CA, USA
QuantumScape is on a mission to transform energy storage with solid-state lithium-metal battery technology. The company's next-generation batteries are designed to enable greater energy density, faster charging and enhanced safety to support the transition away from legacy energy sources toward a lower carbon future. What we need: Join us on our mission as we transform energy storage to enable a more sustainable future. We are looking to add a Principal Mechanical Design Engineer to our Cell Engineering and Manufacturing Development team. This individual will be responsible for designing and scaling QuantumScape's unique solid-state lithium metal batteries for high volume production. This work includes designing new cell structures, encasings, components, and assembly tools in addition to methodologies to validate the fidelity of these new designs. You must have experience working with electrochemical energy storage devices such as lithium-based batteries or similar technology....
Co
Sep 18, 2025
Full time
Gas Utility Project Engineer
City of Palo Alto, CA Palo Alto, CA, USA
Salary : $149,240.00 - $196,560.00 Annually Location : Palo Alto, CA Job Type: Regular Full-Time Job Number: 202400507 Department: Utilities Department Opening Date: 09/16/2025 Closing Date: Continuous Description The City of Palo Alto Utilities is the only city in California that offers a full range of utility services to its citizens and businesses. This gives the City a unique opportunity to collaborate with the Palo Alto community, providing homegrown, reliable, and environmentally focused utilities. With over 100 years of successful public utility operations, Palo Alto continues its tradition of delivering safe services, local decision-making on policies, utility rate-setting, environmental programs, and tailored solutions for the community. Join the City as a Project Engineer , where you'll shape safety standards, lead innovative projects, and ensure the efficiency of vital gas systems for our community! Career Opportunity The Project Engineer reports...
Co
Sep 11, 2025
Full time
Associate Civil/Traffic Engineer
City of Modesto, CA Modesto, CA, USA
Salary: $115,960.00 - $147,992.00 Annually Location : Tenth Street Place - 1010 10th Street Modesto, CA Job Type: Full Time Job Number: 3751C Department: Multiple Departments Opening Date: 09/09/2025 Bargaining Unit: MCMA THE POSITION Ready to engineer a better tomorrow? The City of Modesto is looking for creative and driven engineers to join our Engineering Services team to help shape the future of how people and services move through our city. If you're passionate about innovation, community impact, and all things infrastructure, we want you on board! Upcoming Salary Increases and Incentives: $119,393 - $152,379 effective 7/1/2026 2.5% Education Incentive - Bachelor's Degree 5% Education Incentive - Master's Degree The City of Modesto is seeking passionate and skilled engineers looking to make a meaningful impact on the community by shaping the future of transportation, traffic and utilities engineering in the City of Modesto. The Utilities Department,...
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