Find Commonwealth Fusion Systems Senior Software Engineer software engineering jobs

Commonwealth Fusion Systems is designing and building commercially viable fusion power plants, having raised over $2 billion in capital since 2018.

Commonwealth Fusion Systems is at the forefront of fusion energy innovation, working to deliver a sustainable energy future. As a Senior Manufacturing Engineer - NPI, you'll play a vital role in transitioning new products from development to full-scale production. The position offers an opportunity to work with cutting-edge fusion technology while collaborating with cross-functional teams in product design, quality assurance, and supply chain.

The role demands expertise in manufacturing processes, lean methodologies, and hands-on problem-solving. You'll be responsible for developing and implementing manufacturing processes, optimizing production layouts, and ensuring quality standards are met. The position offers competitive compensation ($80,000-$180,000) plus equity and comprehensive benefits.

The ideal candidate brings 5+ years of manufacturing engineering experience, strong analytical skills, and the ability to thrive in a fast-paced environment. Experience with magnets, thermo-mechanical assemblies, and CAD software is valued. The company culture emphasizes integrity, execution, and impact, making this an excellent opportunity for those passionate about advancing fusion energy technology.

Working at Commonwealth Fusion Systems means joining a well-funded company ($2B+ raised) that values diversity and offers significant growth potential. The position is based in Devens, MA, requiring on-site presence and occasional travel. Benefits include comprehensive healthcare, 401(k) matching, generous leave policies, and professional development opportunities.

Senior Manufacturing Engineer position at Commonwealth Fusion Systems, focusing on transitioning new products from R&D to manufacturing, offering competitive salary and benefits.

Senior Manufacturing Engineer - NPI

Commonwealth Fusion Systems is developing commercially viable fusion power plants, having raised over $2 billion in capital since 2018.

Commonwealth Fusion Systems is at the forefront of fusion energy development, working to revolutionize the energy industry. As a Senior Environmental, Health & Safety Engineer at our Devens, Massachusetts campus, you'll play a crucial role in maintaining and improving our safety standards. The position offers a competitive salary range of $80,000 - $180,000 plus equity and comprehensive benefits.

You'll lead incident investigations, work with EHS Management System software, and support both production and R&D teams in hazard identification. The role requires expertise in OSHA standards, safety protocols, and risk assessment, making it perfect for someone with a strong technical background and 5+ years of experience in high-risk industries.

We're backed by over $2 billion in capital raised since 2018, making us the best-funded fusion energy company in the U.S. Our team values integrity, execution, impact, and self-critique, and we're looking for individuals who can bring fresh perspectives to tough challenges.

The position offers comprehensive benefits including equity, health insurance, 401(k) matching, generous parental leave, and professional growth opportunities. We're committed to diversity and equal opportunity employment, welcoming qualified applicants from all backgrounds.

Join us in our mission to deliver the urgent transition to fusion energy, working with cutting-edge technology and contributing to the future of sustainable power generation.

Senior EHS Engineer role at Commonwealth Fusion Systems, leading safety initiatives and hazard management in fusion energy development.

Senior Environmental, Health & Safety Engineer

Commonwealth Fusion Systems (CFS) is at the forefront of fusion energy development, working to create the world's first commercial fusion power plant called ARC. As a Senior Mechanical Engineer in Remote Maintenance, you'll be integral to designing and implementing the critical Remote Maintenance System for ARC. The role combines expertise in robotics, remote handling equipment (RHE), and tokamak design to ensure the plant's efficient operation and maintenance.

The position offers a unique opportunity to work on groundbreaking technology in the clean energy sector, with CFS having secured over $2 billion in funding since 2018. You'll be part of a dynamic team solving complex multi-disciplinary problems involving physics, neutronics, thermo-fluids, and structures. The role requires innovative thinking to develop novel solutions for remote maintenance in a radiation environment.

The ideal candidate will bring strong mechanical engineering expertise, particularly in remote handling equipment and robotics. You'll collaborate across teams, manage complex projects, and help shape the future of fusion energy. The position offers competitive compensation ($80,000-$180,000), equity, comprehensive benefits, and the chance to contribute to a technology that could revolutionize clean energy production.

Working in a hybrid environment in Devens, MA, you'll be part of a company culture that values integrity, execution, impact, and self-critique. CFS offers professional growth opportunities, work-life balance with flexible vacation days, and comprehensive benefits including health insurance and 401(k) matching. This is an exceptional opportunity for an experienced engineer to make a significant impact in the development of sustainable energy solutions.

Senior Mechanical Engineer position at Commonwealth Fusion Systems, focusing on remote maintenance system design for fusion power plants, offering competitive salary and benefits.

Senior Mechanical Engineer - Remote Maintenance

Commonwealth Fusion Systems is at the forefront of fusion energy development, working to revolutionize the energy industry through commercially viable fusion power plants. As a Senior Process Engineer for Vacuum Systems, you'll play a crucial role in developing, installing, and commissioning high and ultra-high vacuum systems for the SPARC program. This position combines hands-on technical expertise with leadership responsibilities, requiring deep involvement in system installation and team coordination. The role presents unique challenges, including managing tritium fusion fuel containment systems and collaborating across multidisciplinary teams. With over $2 billion in capital raised since 2018, CFS offers a dynamic environment where you'll contribute to groundbreaking energy solutions. The position offers competitive compensation ($80,000-$180,000), comprehensive benefits, and the opportunity to work with cutting-edge technology in fusion energy. The ideal candidate will bring 10+ years of relevant experience and thrive in a fast-paced, mission-driven environment focused on delivering the urgent transition to fusion energy.

Senior Process Engineer position at Commonwealth Fusion Systems, focusing on vacuum systems development for fusion energy technology with competitive compensation and benefits.

Senior Process Engineer - Vacuum Systems

Commonwealth Fusion Systems (CFS) is at the forefront of fusion energy development, working to create commercially viable fusion power plants. With over $2 billion in funding since 2018, CFS is constructing the SPARC fusion machine while simultaneously developing their first electrical power-producing fusion device, ARC.

The Senior Process Engineer role focuses on managing fueling systems for both SPARC and ARC projects. The position involves hands-on work with gas handling, processing, and vacuum systems, requiring expertise in high radiation environments and high-temperature heat transfer systems. The role is highly cross-functional, involving collaboration with R&D, construction, and operations teams.

The ideal candidate will have 7+ years of experience in designing fluidic and gas handling systems, with strong knowledge of industry standards and safety protocols. They will work on critical aspects of the SPARC fuel system, from construction management to commissioning and performance verification. For the ARC project, they will handle plant-wide thermal and process gas loads, designing various subsystems for the 400 MWe output facility.

This is an exciting opportunity to join a well-funded company that's leading the transition to fusion energy. The role offers competitive compensation ($80,000-$180,000), comprehensive benefits including equity, and the chance to work on groundbreaking technology that could revolutionize the energy sector. The position requires occasional travel, ability to work in industrial environments, and strong problem-solving skills.

Senior Process Engineer position at Commonwealth Fusion Systems, focusing on fueling systems design and management for fusion power plants.

Senior Process Engineer, Fueling Systems

Commonwealth Fusion Systems (CFS) is at the forefront of fusion energy development, working to deliver commercially viable fusion power plants. The company is currently constructing the SPARC fusion machine while advancing the design of ARC, their first electrical power-producing fusion device. As a Senior Mechanical Engineer for Fueling Systems, you'll be integral to the development of electro-mechanical gas injection systems for the SPARC project. The role combines hands-on engineering with system design, vendor management, and cross-functional collaboration.

The position offers an opportunity to work on cutting-edge fusion technology with a well-funded company that has raised over $2 billion since 2018. You'll be part of a dynamic team working on complex challenges involving ultra-high vacuum systems, hydrogen gas applications, and challenging structural and magnetic loads in radiation environments. The role requires expertise in mechanical engineering, particularly in designing and validating electro-mechanical equipment.

The ideal candidate will bring strong technical skills in CAD, mechanical analysis, and system design, combined with excellent project management and communication abilities. The position offers competitive compensation ($80,000-$180,000), comprehensive benefits including equity, and the chance to contribute to groundbreaking clean energy technology. CFS values diversity and maintains an inclusive work environment, making it an excellent opportunity for those passionate about solving complex engineering challenges while contributing to sustainable energy solutions.

Senior Mechanical Engineer role at Commonwealth Fusion Systems, focusing on fueling systems design and implementation for fusion power technology.

Senior Mechanical Engineer, Fueling Systems

Commonwealth Fusion Systems develops commercially viable fusion power plants, combining research, talent, and new technologies for the future of energy.

Commonwealth Fusion Systems (CFS) is at the forefront of fusion energy development, having raised over $2 billion in capital since 2018. The company is seeking a Scientific Software Engineer to join their mission of delivering the urgent transition to fusion energy. This role focuses on developing internal simulation tools for superconducting magnets, a crucial component of CFS's commercial fusion technology.

The position involves working with interdisciplinary teams to create computational tools that aid in the design, construction, and testing of HTS magnets. You'll be developing software that implements finite difference, finite element, and boundary element methods to predict magnet component behavior, optimize designs, and perform data analysis.

As a Scientific Software Engineer, you'll collaborate with diverse teams spanning electromagnetics, engineering, and materials science. The role requires expertise in Python programming, strong mathematical foundations, and experience with high-consequence software development. You'll be responsible for implementing robust CI/CD processes and creating user-friendly interfaces for scientists and engineers.

The company offers a competitive compensation package including equity, comprehensive health benefits, and professional growth opportunities. CFS values diversity and maintains an inclusive work environment, considering all qualified applicants equally regardless of background. This is an excellent opportunity for someone passionate about contributing to groundbreaking energy technology while working with cutting-edge software development practices.

Senior Scientific Software Engineer position at Commonwealth Fusion Systems, developing simulation tools for fusion energy technology with Python expertise required.

Scientific Software Engineer

Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy, designing and building commercially viable fusion power plants.

Commonwealth Fusion Systems (CFS) is at the forefront of fusion energy development, backed by over $2 billion in capital since 2018. As a Senior Electrical Engineer, you'll join a mission-critical team working on SPARC, reporting to the Director of Power Systems. This role combines complex technical leadership with hands-on engineering work in fusion power systems.

You'll lead the design and implementation of medium and low voltage electrical systems for fusion power, developing comprehensive electrical systems including distribution networks, protection systems, and utility connections. The position requires expertise in complex engineering calculations, industry standards compliance, and project management.

The ideal candidate brings 8+ years of experience, a PE license, and proven experience in large-scale power utility design. You'll work in an innovative environment with cutting-edge technology, alongside talented professionals dedicated to revolutionizing the energy sector.

CFS offers a competitive compensation package including equity, comprehensive healthcare benefits, and strong work-life balance policies. The company values diversity and maintains an inclusive workplace culture focused on integrity, execution, and impact. This is an opportunity to be part of a transformative mission to deliver sustainable fusion energy solutions for the future.

Senior Electrical Engineer position at Commonwealth Fusion Systems, leading MV/LV electrical systems design for fusion power technology.

Senior Electrical Engineer

Commonwealth Fusion Systems (CFS) is at the forefront of fusion energy development, working to revolutionize the energy industry through commercially viable fusion power plants. Since 2018, they've secured over $2 billion in funding, making them the most well-funded fusion energy company in the U.S.

The Senior Electrical Engineer - Power Supply Design role offers an exciting opportunity to work on cutting-edge fusion power technology. Reporting to the Director of Power Systems in the SPARC team, you'll lead complex electrical design projects focusing on high-current power supplies essential for fusion power generation.

Key responsibilities include designing IGBT/MOSFET-based power electronics systems, developing technical specifications for voltage systems, and leading critical procurement efforts. You'll work with state-of-the-art technology and equipment, applying your expertise in power electronics and magnetics to solve complex engineering challenges.

The ideal candidate brings 10+ years of power electronics experience, with proven expertise in DC/DC and AC/DC power supply design at high currents. You'll need strong technical skills, leadership abilities, and excellent communication capabilities to succeed in this fast-paced environment.

CFS offers competitive compensation ($80,000-$180,000), comprehensive benefits including equity, health insurance, and 401(k) matching, and the opportunity to be part of a mission-driven team working on world-changing technology. The role is based in the Boston area and requires on-site presence due to the hands-on nature of the work.

Join CFS to be part of a diverse, talented team working to deliver the urgent transition to fusion energy, making a lasting impact on the world's energy future.

Senior Electrical Engineer position focusing on power supply design for fusion energy systems at Commonwealth Fusion Systems.

Senior Electrical Engineer - Power Supply Design

Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent and new technologies, we're designing and building commercially viable fusion power plants.

Commonwealth Fusion Systems (CFS) is seeking a Senior Mechanical Engineer for their Assembly Team to work on the SPARC tokamak device. This role involves designing, developing, and managing the fabrication of unique tooling for the assembly and integration of the tokamak. You'll be responsible for developing overall concepts, engineering strategies, and use plans for each tool assembly, working closely with system teams to find efficient, creative, and safe ways to manipulate and integrate tokamak components.

Key responsibilities include:
- Ownership and design of tooling, lifting, manipulation, and support frames for SPARC system components
- Formulating assembly strategies and coordinating with system teams
- Analyzing tool structures and kinematics for safety and adequacy
- Developing alignment plans for precision placement of magnets and vessels
- Overseeing tool fabrication at outside vendors
- Creating assembly work instruction packets
- Collaborating with other engineers, designers, and assembly personnel

The ideal candidate will have:
- B.S. in Civil, Structural, Mechanical, or Aerospace Engineering
- 3-5 years of Mechanical Engineering experience
- Experience in fabrication and integration of complex, large mechanical structures
- Familiarity with standard actuation and guidance mechanisms
- Experience with finite element analysis and lifting operations (>10 Tons)

CFS offers a fast-paced, dynamic environment driven by values of integrity, execution, impact, and self-critique. They value diversity and are an equal opportunity employer, considering all qualified applicants regardless of background.

Join CFS in their mission to revolutionize the energy industry through fusion power!

Senior Mechanical Engineer for Assembly at Commonwealth Fusion Systems, designing and managing tooling for SPARC tokamak device assembly.

Senior Mechanical Engineer - Assembly

As the Senior Field Mechanical Engineer on the Assembly Team at CFS, you will be responsible for the management, engineering oversight, and problem-solving of the most complex and unique work-stations of the SPARC assembly process. You will be the central owner and know your part of the assembly process through-and-through, and you help guide the technicians through any issues that arise along the way, coming up with solutions that continue work and assembly moving forward. You will proactively ensure that they have all the tools required for the work, either procuring them off-the-shelf or quickly designing and building small tools and fixtures for use. This also includes the close collaboration with adjacent teams on the Assembly Team, such as creating and incorporating the new process changes with the Assembly Process team, or providing the Metrology team with any assistance or tools needed for the precision alignment of coils and other key structures. This role is on-site at Devens, MA but is a "field" role in the sense that you will be working day-to-day in the central construction hall in the CFS-2 facility where we are building the SPARC Tokamak. At the core, your role is to keep the assembly process moving smoothly in any and all ways, managing the day-to-day changes in strategy or work orders, problem-solving and making tools, and using your engineering skills and knowledge to solve the many complex challenges that arise during the assembly process. You will guide and manage how the giant parts of this multi-million pound "Swiss-watch" come together!

Key Responsibilities:
- Own and be an expert in the assembly sequence of your work-station
- Ensure full readiness of a work-station to enable the start of assembly
- Determine and execute solutions for identified assembly issues
- Procure or build all necessary tools, fixtures, or manipulation equipment
- Serve as the extreme owner for a process by testing, implementing, and handing off to production technicians
- Provide design feedback to SPARC sub-system designs
- Assist in the disposition and resolution of non-conformance issues
- Support hands-on operations during Tokamak Assembly
- Work collaboratively with teammates to ensure all requirements are met

Join Commonwealth Fusion Systems in their mission to deliver the urgent transition to fusion energy. Since 2018, they've raised over $2 billion in capital – more than any other fusion energy company in the U.S. They're looking for thinkers, doers, builders, and makers to join their team and bring new perspectives, solve tough problems, and thrive as part of a team.

Senior Field Mechanical Engineer for Assembly at Commonwealth Fusion Systems, leading complex SPARC Tokamak assembly process in Devens, MA.

Commonwealth Fusion Systems Senior Software Engineer Software Engineering Jobs

Find Commonwealth Fusion Systems Senior Software Engineer software engineering jobs