68 senior environmental engineer jobs found

Astranis builds advanced satellites for high orbits, expanding humanity's reach into the solar system. Today, Astranis satellites provide dedicated, secure networks to highly-sophisticated customers across the globe- large enterprises, sovereign governments, and the US military. With five satellites on orbit and many more set to launch soon, the company is servicing a backlog of more than $1 billion of commercial contracts. Astranis is the preferred satellite communications partner for buyers with stringent requirements for uptime, data security, network visibility, and customization. Astranis has raised over $750 million from some of the world's best investors, from Andreessen Horowitz to Blackrock and Fidelity, and employs a team of 450 engineers and entrepreneurs. Astranis designs, builds, and operates its satellites out of its 153,000 sq. ft. headquarters in Northern California, USA. Senior Harness Design Engineer As a Senior Harness Design Engineer at Astranis, you will own...

Overview Within SSOE's Advanced Technology division, we specialize in high-tech facility design, offering top-tier design and engineering services to a diverse array of clients and markets. Our team is composed of highly skilled and knowledgeable professionals who excel across various disciplines. We pride ourselves on our cross-disciplinary approach, which allows us to understand and address our clients' needs more comprehensively than traditional, siloed methods. What sets us apart is our ability to seamlessly conceptualize, plan, and detail every aspect of design. Our in-house experts collaborate closely, optimizing and enhancing our work through multi-discipline strategy sessions. By leveraging cutting-edge techniques and state-of-the-art software, we deliver industry-leading technology and innovative solutions from day one. SSOE is looking to hire a Senior Mechanical Engineer to join our dynamic team. In this role, you will lead design engineering and shaping the future...

Senior Project Manager | Civil Engineering (Water Infrastructure) Own Your Future at Psomas! Join a 100% employee-owned firm built for long-term thinking, shared success, and meaningful impact. As our Senior Project Manager on our Water Infrastructure team in Roseville, CA , you will lead the planning, design, and delivery of complex water and wastewater infrastructure projects (capital programs, system expansions, and rehabilitation efforts) that support communities throughout California. In this strategic leadership role, you will oversee multidisciplinary teams, strengthen client partnerships, and drive business development efforts that contribute to the continued growth of our practice. This position is ideal for a seasoned leader who combines technical excellence with a passion for mentoring teams, developing client relationships, and delivering impactful infrastructure solutions. Why Psomas Shared Success: An ownership culture that rewards long-term thinking...

Job Description INTEGRATED DESIGN & ADVISORY (IDA) Integrated Design and Advisory (IDA) is Michael Baker International's national architecture and engineering business vertical, integrating architecture, engineering, federal planning, and strategic advisory services in support of complex buildings and critical infrastructure programs. With professionals located across the country, IDA serves a broad range of public- and private-sector clients, including federal agencies, defense, aviation, data centers, healthcare, higher education, rail and transit, and industrial markets. Our integrated approach emphasizes early collaboration across planning, architecture, and core engineering disciplines-including mechanical, electrical, plumbing, structural, fire protection and cybersecurity-supported by advisory services delivered throughout the project lifecycle. Building on Michael Baker International's more than 85-year legacy, IDA supports the firm's long-term growth strategy...

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 Atoms is building the machines that power the next era of progress. Over the last decade, software has transformed the digital world. But the physical world, where food is made, minerals are mined, goods are moved, and industries are run, remains far less intelligent, far less efficient, and far more constrained. We're changing that. Atoms builds Physical AI- real-world robots for the industries that move civilization forward, starting with food, mining, and transport. Our systems are designed to understand, predict, and control the real world with precision, turning complex physical operations into something more reliable, more scalable, and more productive. This work requires more than robotics. It requires deep integration across hardware, software, AI, operations, manufacturing, and real estate. We don't just build machines in a lab. We deploy them into real environments, operate them, learn from them, and improve them until they work at scale. We are...

Company Description Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description We have an opening for a Senior Optomechanical Engineer for space applications. You will contribute to thedevelopment of next-generation large-aperture space telescopes, optical payloads, andprecision optical systems supporting U.S. national security andscientific missions. This role focuses on optomechanicaldesign, precision mechanisms, structural andthermal performance, and...

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...

Who we are Atoms is building the machines that power the next era of progress. Over the last decade, software has transformed the digital world. But the physical world, where food is made, minerals are mined, goods are moved, and industries are run, remains far less intelligent, far less efficient, and far more constrained. We're changing that. Atoms builds Physical AI- real-world robots for the industries that move civilization forward, starting with food, mining, and transport. Our systems are designed to understand, predict, and control the real world with precision, turning complex physical operations into something more reliable, more scalable, and more productive. This work requires more than robotics. It requires deep integration across hardware, software, AI, operations, manufacturing, and real estate. We don't just build machines in a lab. We deploy them into real environments, operate them, learn from them, and improve them until they work at scale. We are...

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...

Amca is building America's new industrial base. Since the 1990s, our ability to build new aviation and military systems and maintain the ones we already have has eroded. Today, the gap between what the nation needs to produce and what it is capable of producing is the largest it has been in generations. To help close that gap, Amca rapidly develops and manufactures new critical components and subsystems required to build and sustain the planes, military vehicles, and core infrastructure America needs. Today, we operate seven factories nationwide, including our advanced prototyping and testing headquarters in El Segundo, and deliver avionics, hydraulic, and electrical components for platforms such as the F-35, F-16, F/A-18, 737MAX, 787, A320neo, A321, Mk-48, and M1 Abrams. Overview The Senior Propulsion Component Engineer owns the design of Amca's propulsion control hardware, taking components and assemblies from concept through qualification. You will lead the design of valves,...

**Applicants must be U.S. Citizens or U.S. Permanent Residents (Green Card holders) to meet customer and regulatory requirements** Who We Are We are pioneering modular motion technologies to power the next generation of innovation for Industrial, Aerospace and Defense. If you're excited about disrupting legacy industries, and passionate about building the financial infrastructure behind cutting-edge hardware, let's chat! We are at the forefront of innovation, crafting exclusive motion control components that propel the industrial, aerospace, and defense sectors into the future. A couple other things: We offer a lot of autonomy We like to run lean for impact We have great benefits We are well funded, and already generating revenue We're currently in Torrance, CA, but will be moving into a new facility in Hawthorne, CA in the summer! What you'll do: We are seeking a versatile, high-impact Principal Engineer to lead the development of mission-critical hardware. This is...

Job Title: Senior Mechanical Design Engineer Location: San Jose, CA Employment Type: Full-Time About the Company We are a stealth-mode battery startup developing cutting-edge battery technology. Our mission is to revolutionize battery technology to accelerate the global transition to clean energy. By leveraging innovative materials, advanced manufacturing techniques, and next-generation energy storage architectures, we are building the future of sustainable energy. About the Role: We are seeking a Senior Mechanical / Product Design Engineer to lead the design and development of advanced structural enclosures for high-performance battery systems. This role focuses on designing robust, manufacturable, and scalable structures such as enclosures, trays, and lids that manage complex mechanical loads between the energy system and its host structure. The ideal candidate combines strong mechanical design fundamentals with an understanding of material tradeoffs, manufacturing...

Who we are Neros is a defense technology company rebuilding America's drone industrial base. We design and manufacture high-performance unmanned systems that are tested in combat, iterated at startup speed, and built at massive scale. Our team culture is fast, hands-on, and obsessed with closing the gap between design and deployment. As drones transform the character of warfare, Neros is delivering the systems the West needs to compete on the modern battlefield and deter the adversaries of democracy. We're hiring engineers, operators, and builders who want to move fast, take on extreme ownership, and get capability into the hands of warfighters in months, not years. What you will be doing As a Senior Mechanical Engineer at Neros, you will own key components and subsystems within our products, starting from the conceptual design phase all the way through mass production. This is a dynamic and exciting role at a rapidly growing startup and presents an opportunity to be a...

Overview Joby Aviation is seeking a passionate Electronics Manufacturing Engineer to join our Electronics Manufacturing Engineering team in San Carlos, CA. This role focuses on process engineering, equipment development, and scaling products from prototype to production. The ideal candidate is highly organized and self-driven, with a strong understanding of mechanical design, design for manufacturability, process development, and quality control. This is an exciting and rewarding opportunity - as a Manufacturing Engineer at Joby, you will see your ideas go from concept to reality in a fast-paced, high-impact environment. Responsibilities Develop manufacturing processes, assembly fixturing, tooling, and equipment to support both prototype and production builds Design and optimize full production line layouts and workstations with a focus on safety, ergonomics, quality, and efficiency Author clear, detailed manufacturing work instructions to ensure process consistency and...

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 About the GSE Team The Ground Support Equipment team designs and builds the charging and thermal conditioning infrastructure that keeps Joby's eVTOL fleet flying. We develop everything from stationary high-power dispensers and charge handles to mobile all-in-one charging systems - hardware that must work reliably in airports, vertiports, and remote sites around the world. We're a small, high-ownership team: everyone here owns hardware from napkin...

About the Company General Matter is enriching uranium in America. Our goal is to design, build, and operate the world's lowest-cost enrichment services in the United States. Our mission is to restore America's ability to produce nuclear fuel-fuel that will power AI, advanced manufacturing, critical industries, and the next generation of nuclear reactors. Ultimately, our work will help power national ambitions and enable a high-energy society. We were incubated by Founders Fund, like Anduril and Palantir before us, and are backed by top-tier investors. Our lean, world-class team of engineers and operators is applying a first-principles approach to solving the problem of nuclear fuel production. We are a mission-driven company with a culture of urgency, accountability, and transparency. Help us build a high-energy society by making the cleanest, safest form of baseload energy the most affordable. About This Role As a Structural Design Engineer, you will play a...

About the Company General Matter is enriching uranium in America. Our mission is to restore our country's ability to make nuclear fuel. Our fuel will help power AI, manufacturing, and other critical industries. It will power our next generation of reactors. Ultimately, it will power our national ambitions. We were incubated by Founders Fund, like Anduril and Palantir before us, and we are backed by top tier investors. Our lean, world-class team of engineers and operators is applying a first-principles approach to solving the problem of nuclear fuel production. We are a mission-driven company with a culture of urgency, accountability and transparency. About This Role We are seeking a Head of Engineering Design to build and lead the organization responsible for designing the mechanical systems and plant layout for our next-generation nuclear enrichment facility. This role blends technical leadership with organizational building, driving the development of multidisciplinary...

Shield AI is a venture-backed defense-tech company with the mission of protecting service members and civilians with intelligent systems. Its products include Hivemind autonomy software, V-BAT and X-BAT aircraft, and Aechelon simulation and synthetic reality technologies. With offices and facilities across the U.S., Europe, the Middle East, and 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. Shield AI is seeking a Senior Manager of Mechanical Engineering to build and lead the team responsible for all mechanical design, thermal, and harnessing in the X-BAT aircraft and ground vehicle. You will establish the technical vision, hire top tier engineers, and partner with all other engineer team leads to execute cross-functionally. Extreme ownership is expected where your team will carry designs from concept through manufacturing. Team leads and managers at...

Company Description Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description We have multiple openings for Spacecraft Systems Engineers to providespacecraft subject matter expertise as part of a multi-disciplinary team performing conceptdevelopment, requirements generation, modeling & simulations, and analyses of advanced spacepayloads and spacecraft models for the Z Program's Space Science and Security Program(SSSP). You will collaborate with...