97 mechanical engineer iii jobs found

Overview The Mechanical Engineer III position is an exciting opportunity to join PM Group's quickly growing San Francisco area team located out of Pleasanton, CA . Together we will all be sharing knowledge, learning, growing, and continuing to be an integral part of supporting PM Group's ongoing expansion in the US. Our office will be executing cutting-edge projects for Cell & Gene Therapy, Biologics, and Pharma facilities - from feasibility through to qualification - for both local and international clients. Together with our clients and partners, we will deliver projects that improve the everyday lives of people across the globe. We are looking for an Engineer who enjoys client interaction as well as the technical aspects of the position. This individual needs to have an understanding of the technical aspects of mechanical design engineering including but not limited to HVAC, plant & process utilities, plumbing, and compressed gas systems design. The ability to...

Worker Type Regular Job Description Summary The Mechanical Engineer III applies engineering techniques to design, install, modify, analyze, repair and test tools, engines, machines and other mechanically functioning equipment. Leads and supports the mechanical design, testing, and production of electrical machines as well as the design of electronics packaging for high altitude aerospace applications. Leads or supports mechanical packaging development effort for electronic equipment that withstand stringent environmental requirements (i.e., mass, volume, thermal, vibration). Manages mid-size development projects outsourced to sub-contractors (development of a system, equipment or components). Position Responsibilities Leads or supports the thermal, structural, dynamic, and fluid flow analysis efforts for electronics equipment Leads the testing and data collection in the laboratory and the field Models the mechanical devices and selects the proper material...

Job Type Full-time Description Why work at TriTool? It's a new era of industry. Technology is evolving. Demand for customization is increasing. Lead times are decreasing. Tolerances are tightening. To stay ahead of competition, industry leaders must innovate faster, drive efficiencies, and streamline operations. At Tri Tool, we cut through complexity and provide industry leading custom solutions, off-the-shelf pipe beveling and flange facing tools, and expert field services for piping and tubing. For more than 50 years, we have partnered with companies in major industrial markets-aerospace, government and defense, life sciences, power generation, oil and gas, and semiconductor-to design, develop, and manufacture precision machining and custom engineered tools that increase productivity, optimize costs, and accelerate delivery. Combining proven expertise with unrivalled experience and extraordinary ingenuity, we go above and beyond expectations to deliver solutions that...

Quantum Space is redefining mobility and maneuverability in space. Our high-mobility spacecraft platforms support national security, civil, and commercial missions with unmatched flexibility and propulsion capability. We build fast and iterate quickly. Who We're Looking For We are seeking a Mechanical Engineer III to lead the design and development of electric propulsion hardware and associated subsystems, from concept through flight. This role is intended for an experienced engineer who can own propulsion-related hardware, drive design decisions, and deliver flight-ready systems. You will operate at the intersection of mechanical design, thermal management, and high-performance hardware development, working closely with propulsion, systems, and test teams. Where You'll Make an Impact Own mechanical design of electric propulsion subsystems (thruster assemblies, structural interfaces, feed systems, thermal management hardware) Lead architecture and packaging trades for...

Quantum Space is redefining mobility and autonomy beyond Earth orbit. Our Ranger spacecraft deliver high delta-V and sustained on-orbit maneuverability, enabling missions across cislunar and geostationary space that were previously out of reach. We are building the vehicles, infrastructure, and operational expertise that connect and protect assets across the Earth-Moon system. Who We're Looking For We are seeking a Mechanical Engineer III to lead the design and development of electric propulsion hardware and associated subsystems, from concept through flight. This role is intended for an experienced engineer who can own propulsion-related hardware, drive design decisions, and deliver flight-ready systems. You will operate at the intersection of mechanical design, thermal management, and high-performance hardware development, working closely with propulsion, systems, and test teams. Where You'll Make an Impact Own mechanical design of electric propulsion subsystems...

About Quartus Quartus Engineering Incorporated (www.quartus.com) is a leading provider of engineering services and integrated hardware solutions for a wide range of clients and industries. We employ advanced computer-aided engineering tools in the areas of optics, structural, thermal, and coupled analyses. We couple our engineering analysis capabilities with design, prototype, integration and test capabilities to create solutions for our clients that are of extraordinary value. About Aerospace Sector Quartus is a key contributor to aerospace advancements, specializing in engineering simulation and custom hardware. We've played a vital role in a diverse range of free space, launch and spacecraft projects including the NASA James Webb Space Telescope project for 17 years, covering design, analysis, and testing. Quartus is involved in leading in-space servicing, assembly, and manufacturing (ISAM) systems. Our expertise spans aircraft structural design, analysis, and testing,...

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 Perform various tasks assigned by Senior Engineers and the Engineering Manager/Director. Generate detailed schematics for HVAC systems based on instructions and pre-established guidelines. 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 sequencing. Ability to independently conduct audits and surveys as needed. Record identifying equipment function, tags, location, capacities, photos, etc. Trace piping and ductwork onto field notes. Convert field surveys...

Please note that we are unable to provide visa sponsorship for this position. Recruiting agencies: Proper Voltage does not accept unsolicited candidate submissions. Please do not contact any employees directly unless you have an existing engagement with the company. About Proper Voltage Proper Voltage is unlocking the next generation of battery technology across robotics, data centers, and defense. We're building intelligent battery systems that make advanced chemistries (sodium-ion, lithium-titanate, lithium-silicon) work in products that were never designed for them. Humanoid robots can upgrade power systems without redesigning their entire platform. Data centers get safer, cheaper backup power. Drones and autonomous vehicles get higher energy density without lengthy integration cycles. If you want to work on hard engineering problems that matter this is the place. Job Overview We're looking for an experienced mechanical engineer to take ownership of...

Company Description Who is Senior plc? Senior plc is an international, market-leading, engineering solutions provider with 19 operating businesses in 11 countries. Traded on the London Stock Exchange, Senior designs and manufactures high-technology components and systems for the worldwide aerospace, defense, land vehicle and power & energy markets. Senior Aerospace SSP, a division of Senior plc, is the world's largest aerospace high-pressure ducting system supplier. Starting as 'Stainless Steel Products' in 1945, and acquired by Senior plc in 1995, we are vertically integrated with our own foundry, fabrication shop, and ISO-certified engineering lab, allowing us to design, manufacture, and qualify complex ducting systems for space launch, defense, and commercial aerospace applications worldwide. Our global values underpin what we do, and how we do it ... Safety - Integrity - Customer Focus - Respect & Trust - Accountability - Excellence Why join SSP? Senior...

About Us At Antares, our long-term mission is to make clean energy abundant from Earth to the Asteroid Belt. We're fueled by the belief that advanced nuclear energy can strengthen our military, solve the climate crisis, elevate global living standards, and expand humanity's presence in outer space. To achieve our mission, we're building mass-producible, inherently safe, deployable microreactors that can be used terrestrially, underwater, and in space. The Antares team hails from SpaceX, the White House, the Pentagon, the Department of Energy, MIT, Rigetti Computing, General Atomics, Relativity Space, Ursa Major, and National Laboratories like Idaho, Oak Ridge, Los Alamos, and Savannah River. Antares has raised over $600M in venture capital from top-tier investors and has hundreds of million-dollars on contract with the military services, NASA, and the Department of Energy. About the Role As a Level I or Level II Mechanical Design Engineer in the Mission Engineering team, you...

The Team and the Role INDUS is a 100% employee-owned, customer-focused government services provider with expertise in Engineering, Information Technology, Cybersecurity, Program/Financial Management, Logistics, and Data Analytics. At INDUS, we believe in the value of the INDUS team. Together we deliver exceptional customer service, foster a growth and support-centered work environment, and focus on how we can give back to the communities that we serve. Empowering our employees starts on day one and creates an environment full of innovation and promise. By offering mentorship and robust Training and Development opportunities, INDUS continues its pursuit to be the Employer of Choice. The Southern California (SOCAL) Fleet Operational Readiness Division, Code 25, manages the air, surface, submarine, and combat system test and analysis, weapon evaluation, mobile target, tactical exercise analysis, magnetic signature reduction, and range support programs assigned to the Department's...

About Rivian Rivian is on a mission to keep the world adventurous forever. This goes for the emissions-free Electric Adventure Vehicles we build, and the curious, courageous souls we seek to attract. As a company, we constantly challenge what's possible, never simply accepting what has always been done. We reframe old problems, seek new solutions and operate comfortably in areas that are unknown. Our backgrounds are diverse, but our team shares a love of the outdoors and a desire to protect it for future generations. Role Summary Join Rivian's Vehicle Hardware Engineering - Chassis - Product Development team as a key contributor in bringing our electric adventure vehicles to life. As a Senior Mechanical Design & Release Engineer, you'll be instrumental in the product development of chassis steering hardware components - from steering columns, intermediate shafts, and electric power-assisted steering gears to next-generation mechatronic systems including...

About Rivian Rivian is on a mission to keep the world adventurous forever. This goes for the emissions-free Electric Adventure Vehicles we build, and the curious, courageous souls we seek to attract. As a company, we constantly challenge what's possible, never simply accepting what has always been done. We reframe old problems, seek new solutions and operate comfortably in areas that are unknown. Our backgrounds are diverse, but our team shares a love of the outdoors and a desire to protect it for future generations. Role Summary Rivian is on a mission to keep the world adventurous forever. This goes for the emissions-free Electric Adventure Vehicles we build, and the curious courageous souls we seek to attract. We constantly challenge what is possible, never simply accepting what has always been done. Our backgrounds are diverse, but our team shares a love of the outdoors and a desire to protect it for future generations. If you are aligned with this mission, we want...

About Rivian Rivian is on a mission to keep the world adventurous forever. This goes for the emissions-free Electric Adventure Vehicles we build, and the curious, courageous souls we seek to attract. As a company, we constantly challenge what's possible, never simply accepting what has always been done. We reframe old problems, seek new solutions and operate comfortably in areas that are unknown. Our backgrounds are diverse, but our team shares a love of the outdoors and a desire to protect it for future generations. Role Summary This is an opportunity to have great impact and shape the physical design of Rivian's electric vehicle systems. We're looking for a highly motivated, multi-disciplined mechanical design & release engineer to help us design and develop Exterior components on current and future Rivian Models. Responsibilities • Design, Develop, and release Exterior Components including, but not limited to Front and Rear Fascia Assemblies, Front End Modules...

About Rivian Rivian is on a mission to keep the world adventurous forever. This goes for the emissions-free Electric Adventure Vehicles we build, and the curious, courageous souls we seek to attract. As a company, we constantly challenge what's possible, never simply accepting what has always been done. We reframe old problems, seek new solutions and operate comfortably in areas that are unknown. Our backgrounds are diverse, but our team shares a love of the outdoors and a desire to protect it for future generations. Role Summary As the Lead Chassis Engineer, you will hold cradle-to-grave accountability for vehicle programs, driving the transition from initial design through launch and into ongoing production. You will resolve complex, cross-functional chassis issues and synchronize design activities to ensure the entire team is aligned on the most optimal engineering solutions. As a strategic member of the Chassis Leadership team, you will conduct rigorous technical...

About the job PCB Layout Engineer, Senior About Castelion Castelion is redefining defense development through rapid iteration, aggressive testing, and modern commercial manufacturing at scale. We design, build, and test next-generation long-range strike weapon systems to give the United States and its Allies a decisive advantage and deter future conflicts. Position Overview As a PCB Layout Engineer, you will independently own the layout and release of complex avionics printed circuit boards for hypersonic missile systems. You will partner closely with electrical, mechanical, systems, and manufacturing engineers to deliver flight-worthy hardware on aggressive schedules. This role requires strong technical judgment, the ability to drive layout decisions across analog, digital, RF, and power domains, and comfort leading fabrication and assembly partners through DFM and production readiness. You will be expected to execute with minimal oversight while contributing to...

About the job Senior Manufacturing Engineer, Radar Why Castelion, Why Now Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus and technical excellence are decisive advantages - and we are building a team that can deliver real capability, not just concepts. This is a rare opportunity to join at an early stage, where your work will directly shape critical systems, influence major technical decisions, and have immediate, real-world impact. Senior Manufacturing Engineer - Avionics Electro-Mechanical Assembly We are seeking a Senior Manufacturing Engineer with deep expertise in the high-reliability assembly and integration of avionics and electromechanical systems for hypersonic missile vehicles. This role focuses on developing, optimizing, and scaling manufacturing processes for complex avionics hardware-including printed circuit board assemblies (PCBA), wire harnesses,...

Who We Are AMPAM is a leading Mechanical, Electrical, and Plumbing (MEP) contractor serving large-scale multifamily and commercial projects across California. With 1,500 employees across multiple business units, we are committed to delivering quality, safety, and excellence in every project. Job Summary Construction Engineer III serves as a senior technical resource and project lead responsible for the planning, coordination, and execution of mechanical (HVAC), electrical, and plumbing (MEP) systems in multi-family new construction projects. This position requires deep technical expertise, strong leadership in field coordination, and the ability to manage multiple complex projects through all construction phases-from preconstruction to commissioning and turnover. Construction Engineer III provides direction to junior engineers, works closely with subcontractors, and ensures that MEP systems are designed and installed according to the project's quality, schedule, and cost...

Who We Are AMPAM is a leading Mechanical, Electrical, and Plumbing (MEP) contractor serving large-scale multifamily and commercial projects across California. With 1,500 employees across multiple business units, we are committed to delivering quality, safety, and excellence in every project. Job Summary The Design Engineer/Sr. Design Engineer (Design Engineer I / II / III) supports, develops, and leads the engineering and design of mechanical, electrical, and plumbing (MEP) systems for multi-family new construction projects. Depending on experience and level hired, this position may perform work under the guidance of senior engineers, independently manage assigned projects, or lead complex engineering efforts while mentoring junior team members. Responsibilities include preparing engineering calculations, construction documents, AutoCAD and Revit models, coordinating with project teams, ensuring compliance with applicable building codes and engineering standards, and...

The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers. When you join our team, you'll be part of a special collection of problem solvers, thought leaders, and innovators. Join us and take your place in space. The Facilities Project Engineer provides day-to-day project coordination and technical support for facility planning, design, renovation, and construction projects. Working under the guidance of a Project Manager, this role assists with project planning, design coordination, budgeting, scheduling, procurement, construction administration, and project closeout to help ensure projects are delivered safely, on schedule,...