61 principal systems engineer jobs found

Location: The Greater Los Angeles Metropolitan Area, CA (Onsite) If you're interested in learning more about this opportunity or beginning the interview process, feel free to connect directly via LinkedIn: LinkedIn: https://www.linkedin.com/in/ra... Principal Mechanical Engineer - Launcher Systems An advanced aerospace and defense technology company is seeking a highly experienced Principal Mechanical Engineer to lead the architecture, design, and integration of next-generation launcher systems supporting UAV and missile platforms. This role will own launcher hardware development from concept definition through production and deployment across mobile ground and maritime applications. The ideal candidate brings deep launcher system expertise, strong electro-mechanical integration capability, and direct experience designing ruggedized hardware for harsh operational environments. This is a highly hands-on technical leadership role suited for engineers who thrive in fast-moving...

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. Solar Turbines is looking for a motivated team member to work on New Product Introduction (NPI) using the agile development process. The Principal NPI Mechanical Engineer is responsible for driving the development and delivery of new turbomachinery products from concept through beneficial use. This role leads mechanical design efforts, evaluates and refines design solutions, and ensures they are safe, high-quality, and cost-effective. Success in this...

PROLIM (www.prolim.com) is currently seeking Materials & Process Engineer 3 for one of our top Client for Location - Woodland Hills, CA Qualified candidates can directly send your updated resume and contact info via email: jayaprakash.hiremath@prolim.com Job Description: We are looking for you to join our team as a Materials and Process Engineer based out of Woodland Hills, CA What You'll Get to Do: • As an M&P Engineer, you will support definition of engineering requirements to develop, select, or recommend parts, materials, processes, manufacturing technologies, machinery, tools, and automation systems used in product design and manufacturing in accordance with contractual and regulatory obligations • Additionally, you will qualify new materials, parts and processes to meet requirements and manage test and audit programs to qualify suppliers to applicable requirements • Support engineering design reviews and participate in failure analyses for metallic parts...

Open Date 9/15/2026 Exempt/Non-Exempt Exempt Full-Time/Part-Time Full-Time Location ColeBreit Engineering (Monterey, CA) Pay Range $120,000-$175,000 (Commensurate with Experience) About the Organization ColeBreit Engineering is a client-focused mechanical, electrical, plumbing, and fire protection engineering and design consulting firm with extensive experience serving a wide range of industry sectors. Our expertise spans higher education and K-12 schools, multi-family and high-end residential, healthcare, commercial, hospitality, municipal, industrial, and winery projects. As an agile, 100% women-owned, WBE/COBID-certified firm, we think big while delivering the full-service, detail-oriented engineering and consulting support each project demands. With a team of 50 professionals across five offices in Oregon and California, we bring a deep passion for our work, reflected in our commitment to excellence and exceptional attention to detail. We are...

Divergent is building the new industrial age. Every day, our teams design, manufacture, and assemble advanced systems for some of the world's most demanding industries. Our integrated engineering and manufacturing platform transforms complex designs into production-ready solutions, helping customers move faster, build smarter, and deliver critical systems when they matter most. Divergent is a qualified Tier 1 supplier to global automotive OEMs and supports leading U.S. aerospace and defense companies. Join us and help push the boundaries of what can be built. Purpose The Staff Automation & Controls Engineer will develop flexible robotic manufacturing & automation systems core to the Divergent Adaptive Production System (DAPS). The ideal candidate has a track record of successfully architecting and deploying advanced automated systems in a quick changing, start-up environment. This role will take a hands-on execution approach and use their skills in hardware, software...

Divergent is building the new industrial age. Every day, our teams design, manufacture, and assemble advanced systems for some of the world's most demanding industries. Our integrated engineering and manufacturing platform transforms complex designs into production-ready solutions, helping customers move faster, build smarter, and deliver critical systems when they matter most. Divergent is a qualified Tier 1 supplier to global automotive OEMs and supports leading U.S. aerospace and defense companies. Join us and help push the boundaries of what can be built. Purpose The Principal Automation & Controls Engineer will lead the development of flexible robotic manufacturing & automation systems, core to the Divergent Adaptive Production System (DAPS). The ideal candidate has a track record of successfully architecting and deploying advanced automated systems in a quick changing, start-up environment. This role will take a hands-on execution approach and use their skills...

Introduction to the Job In this role, you will serve as a principal technical leader for optomechanical architecture and design across new product development and sustaining engineering initiatives. You will collaborate closely with optical, mechanical, systems, controls, thermal, manufacturing, service, quality, and supplier teams to deliver stable, precise, reliable, and manufacturable optomechanical solutions throughout the product lifecycle. Based in San Diego, California, you will provide technical leadership for Cymer's Light Conditioning Function team. You will guide complex module development, introduce new technologies, sustain and improve released products, and influence engineering roadmaps five to seven years ahead. You will help define the future of precision engineering while ensuring existing products remain reliable, manufacturable, serviceable, and responsive to customer needs. Role and Responsibilities In this Principal Mechanical Engineer role, you...

Welcome to Verdantas, where innovation meets sustainability, and your career finds purpose! At Verdantas, we're redefining environmental consulting and sustainable engineering through our use of cutting-edge modeling and digital technology and our genuine commitment to people. Our work spans high-growth sectors like water resources, resilient land use, energy transformation, and civil infrastructure. Our commitment to excellence, across more than 90 offices, is championed by a team of over 2,000 experts, scientists, engineers, geologists, and technical specialists, embedded in a people-focused culture, prioritizing the well-being of our employees, clients, and the communities we serve. We partner with clients to deliver smart, data-driven solutions to complex environmental and infrastructure challenges. We don't just solve problems; we help shape a more sustainable future. Join a people-first culture that values your well-being, empowers your growth, and amplifies your impact. At...

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 Platforms, Technologies, and NPI group at Solar Turbines is at the forefront of developing innovative, next-generation products that drive customer success across a wide range of industries. Working within a highly collaborative and agile development environment, this team is responsible for advancing new technologies that expand Solar's product portfolio and strengthen our competitive position. We are seeking an experienced and technically...

Principal Additive Manufacturing Engineer Los Angeles, CA (in-person) About Arcturus Arcturus is creating a new wire technology stack that uses carbon nanomaterials to overcome the materials limitations of metals where performance breaks down, at real operating temperatures. Our technology is designed to significantly improve the performance of electric motors for drones and robotics, heat sinks, and ultimately the entire energy grid. Why you should join us This is a ground-floor opportunity to help build something that has never been done before. You would join as an early principal technical hire and help define how Arcturus turns metal additive manufacturing into a core company capability. This is a high-ownership individual contributor role for someone who wants to solve hard manufacturing problems, mentor others, and help build a first-of-its-kind materials platform from the ground up. Purpose We are seeking a Principal Additive Manufacturing Engineer who can...

Vast is developing next-generation space stations and space infrastructure using an incremental, hardware-rich, and low-cost approach. Vast is rapidly developing its multi-module Haven Station to ensure a continuous human presence in space for America and its allies, enabling advanced microgravity research and manufacturing, and unlocking a new space economy for government, corporate, and private customers. Haven Demo's 2025 success made Vast the only operational commercial space station company to fly and operate its own spacecraft. Next, Haven-1 is expected to become the world's first commercial space station when it launches in 2027, followed by additional Haven modules. Additionally, the company recently announced Vast Satellite , a high-power satellite product line leveraging its space station components and the heritage of Haven Demo. Headquartered in Long Beach, California , and with more than 1,000 employees and over a billion dollars in private capital, Vast has built...

Caltech is a world-renowned science and engineering institute that marshals some of the world's brightest minds and most innovative tools to address fundamental scientific questions. We thrive on finding and cultivating talented people who are passionate about what they do. Join us and be a part of the diverse Caltech community. Job Summary The Quantum Photonics Group (led by Principal Investigator (PI) Oskar Painter) is seeking an Equipment Engineer, Dry Etch to assist in the day-to-day technical operations of its cleanroom facilities on the Caltech campus. The QPG Equipment Engineer will take an important role in maintaining peak performance of state-of-the-art nanofabrication equipment, which includes material deposition systems (e.g. plasma enhanced chemical vapor deposition, atomic layer deposition, physical vapor deposition), material etching systems (e.g. reactive ion etchers, vapor HF), a scanning electron microscope, fume hoods for wet chemistry, and other supporting...

Sulzer is a leading engineering company with a proud heritage of innovation. Join our global team to grow your expertise and develop innovative solutions that enable a prosperous and more sustainable society. About the role Job Summary The Mechanical Engineer is responsible for researching, planning, designing, and developing mechanical products and systems. This includes instruments, controls, engines, and machines used in energy production, transmission, and measurement. This job profile is intended for early-career professionals who apply broad theoretical knowledge and require the ability to investigate and analyze problems. Solutions are typically discussed/verified with a more senior member. Position Summary: This position operates within the Order Related Engineering (ORE) department and is responsible for comprehensive understanding project scope to determine the requirement for developing a Submittal Package. Submittal package includes mechanical design, General...

About CIRCOR Aerospace & Defense CIRCOR Aerospace & Defense is focused on the design, development, and manufacture of specialty fluid and motion control products for demanding aerospace and defense applications. CIRCOR products are flying on most commercial and military aircraft, including single and twin aisle air transport, business and regional jets, military transports and fighters, and commercial and military rotorcraft. Other markets include unmanned aircraft, shipboard applications, and military ground vehicles. Business units are in Corona, California; Warren, Massachusetts; Hauppauge, New York; Paris, France; Uxbridge, UK; and Tangier, Morocco. Parent company CIRCOR International is headquartered in Burlington, Massachusetts and CIRCOR Aerospace & Defense is headquartered in Corona, California. POSITION DETAILS Position Summary The Principal Engineer supports the design effort of Fluid Controls and Actuation Products. This position requires a deep...

Company Description Who is Senior plc? Senior plc is an international, market-leading, engineering solutions provider with 20 operating businesses in 10 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...

Salary : $140,447.00 - $212,780.00 Annually Location : BART Headquarters - 6th Fl Job Type: Full-Time Job Number: 202600177 Executive Office: Operations Cost Center: Civil/Struc/Track Engineering Opening Date: 08/10/2026 Closing Date: 10/10/2026 11:59 PM Pacific FLSA: Exempt Bargaining Unit: Non-Represented Employees Marketing Statement Ride BART to a satisfying career that lets you both: 1) make a difference to Bay Area residents, and 2) enjoy excellent pay, benefits, and employment stability. BART is looking for people who like to be challenged, work in a fast-paced environment, and have a passion for connecting riders to work, school and other places they need to go. BART offers a competitive salary, comprehensive health benefits, paid time off, and the CalPERS retirement program. Job Summary Note: This job announcement closes on October 10, 2026 at 11:59 PM Pacific Time. Applications for this job posting will be reviewed in batches based on the...

About Starpath Starpath Robotics is developing a full-stack solution for commercial scale rocket propellant production on the Moon and Mars. We are building one of the key enabling technologies that will make humans a multi-planet species. If high ownership, fast pace, working with hardware, and solving challenging technical problems sound like a dream come true, come join the team! Senior/Principal Mechanical Engineer In this role, you will be responsible for the development of critical mechanical systems on Starpath's Rover platform. Depending on your prior work experience, you may work on a variety of systems, such as: (1) low-cost, high-reliability electromechanical actuators, (2) various structures and passive mechanisms, or (3) thermal control systems and autonomy hardware integration. You will own these systems from developing design requirements through to flight. Responsibilities: Own architectures, systems, subsystems, and components from requirements to...

Location: The Greater Los Angeles Metropolitan Area, CA (Onsite) If you're interested in learning more about this opportunity or beginning the interview process, feel free to connect directly via LinkedIn: LinkedIn: https://www.linkedin.com/in/ra... Principal Mechanical Engineer - Platform Integration An advanced aerospace and defense technology company is seeking a Principal Mechanical Engineer to lead the integration of ruggedized sensor and electronics systems onto large mobile platforms for government and defense applications. This role is focused on translating advanced sensing and electronics technologies into durable, field-deployable systems capable of surviving demanding operational environments across vehicle, trailer, and maritime platforms. The ideal candidate brings deep experience with mechanical integration, ruggedized hardware design, environmental survivability, and large-scale platform constraints. This is a highly hands-on engineering role requiring...

About the Organization E2 Consulting Engineers, LP (E2) is a professional services firm established in 1988 specializing in a full spectrum of engineering services including, project engineering and design, federal base operations and infrastructure support services, gas pipeline construction and inspection services, environmental consulting and remediation, and information technology services. At E2, we value safety, innovation and collaboration, and we are dedicated to excellence. Overview E2 is seeking a Pipeline / Instrumentation & Controls Principal Engineer to support natural gas utility and energy infrastructure projects throughout Southern California. This position will support the planning, design, execution, and commissioning of pipeline, distribution regulator station, gas control, automation, and remote monitoring projects. The engineer will work directly with clients, project managers, design teams, construction personnel, equipment vendors, and other...

Overview A nationally recognized building-systems engineering consultancy is seeking an Associate Principal/Senior Electrical Engineer to join its San Francisco team. The firm delivers thoughtful, high-performance engineering solutions for commercial, healthcare, biotechnology, education, transportation, and other technically complex building types. This is an opportunity for an accomplished electrical engineer and people leader to guide multidisciplinary teams, manage complex MEP projects, strengthen client relationships, and contribute to the continued growth of a respected Bay Area practice. Relocation assistance is available for this opportunity. Position Description The Associate Principal/Senior Electrical Engineer will serve as a permanent team leader and electrical discipline lead across multiple projects. The successful candidate will combine strong technical design expertise with project management, staff development, client service, and the ability to coordinate...