Join the power movement as a Senior Process Engineer
What you'll do:
- Own process engineering scope for complex systems from early concept through design, construction, commissioning, start-up, and operation
- Develop process concepts and translate fundamental engineering requirements into practical, commercially viable industrial systems
- Develop process design bases, operating envelopes, design cases, process flow diagrams (PFDs), heat and material balances, utility balances, P&IDs, equipment lists, line lists, and process datasheets
- Apply chemical engineering fundamentals including thermodynamics, phase equilibrium, fluid mechanics, heat and mass transfer, transport phenomena, reaction engineering, separations, process dynamics, and process control
- Develop steady-state and dynamic process models and use engineering analysis to guide system architecture, equipment selection, and operating strategy
- Size and specify process equipment including pumps, compressors, blowers, heat exchangers, vessels, columns, piping systems, control valves, relief devices, and other unit operations
- Lead process engineering through Front-End Loading (FEL) and progressively mature systems from conceptual design through process definition and engineering definition
- Evaluate process alternatives and technical tradeoffs considering performance, safety, reliability, operability, maintainability, capital cost, and lifecycle cost
- Develop equipment and package specifications, technically evaluate vendor proposals, and work directly with equipment suppliers and fabricators
- Lead or contribute to process safety activities including HAZOPs, design reviews, relief and depressurization studies, consequence evaluations, and development of safeguards
- Develop process control philosophies, operating sequences, alarm requirements, permissives, interlocks, and operating limits in collaboration with controls engineers and operators
- Perform multidisciplinary technical reviews to ensure that systems are safe, operable, maintainable, and capable of achieving their intended process function
- Support procurement, fabrication, construction, installation, inspection, and field engineering, including field walkdowns and resolution of design and construction issues
- Develop commissioning plans, test procedures, operating procedures, and start-up strategies and participate directly in commissioning, start-up, performance testing, and operation of process systems
- Troubleshoot operating equipment and processes using first-principles engineering, process data, field observations, and structured process investigations
- Capture lessons learned from construction, commissioning, and operation and translate them into improvements in process safety, reliability, operability, maintainability, performance, engineering standards, and future designs
- Provide technical leadership and mentor less-experienced engineers on complex process engineering problems
What we're looking for:
- Bachelor’s degree in Chemical Engineering (or closely related discipline)
- 7+ years of relevant industrial process engineering experience, or equivalent demonstrated depth of experience
- Strong command of chemical engineering fundamentals including mass and energy balances, thermodynamics, phase equilibrium, fluid mechanics, heat and mass transfer, transport phenomena, unit operations, and process dynamics and control
- Experience designing process systems for large-scale industrial facilities
- Demonstrated experience taking process systems through a structured FEL or equivalent stage-gated project development process, from concept and process definition through detailed engineering and execution
- Experience with process scale-up, technology scale-up, or translating process requirements into commercial-scale equipment and facilities
- Demonstrated experience developing core process engineering deliverables including process design bases, heat and material balances, PFDs, P&IDs, equipment specifications, datasheets, and process calculations
- Experience sizing, specifying, and selecting industrial process equipment
- Hands-on experience operating, commissioning, starting up, performance testing, and troubleshooting industrial process systems and physical equipment
- Experience working directly with operators and technicians and using operating data and field observations to diagnose process performance
- Experience with process simulation and analysis tools such as EcoSim, Aspen HYSYS, Aspen Plus, AVEVA Process Simulation, or equivalent
- Experience with process safety and hazard analysis, including HAZOP or equivalent methodologies
- Experience with relief system design and overpressure protection
- Experience working with and integrating other engineering disciplines including mechanical, piping, instrumentation and controls, electrical, safety, operations, and construction
- Experience working directly with equipment vendors, fabricators, EPC organizations, or construction contractors
- Familiarity with applicable process industry codes and standards, including ASME B31.3 and ASME BPVC Section VIII
- Ability to clearly express and critique technical ideas, assumptions, risks, and tradeoffs
- Strong engineering judgment and the ability to recognize when analytical or simulation results do not make physical sense
- Attention to detail with an emphasis on practical, elegant, and commercially viable engineering solutions
- Values that align with our company’s values of integrity, execution, impact, and self-critique
Bonus points for:
- Experience designing, commissioning, or operating large-scale cryogenic systems, particularly helium systems
- Experience in power generation, petrochemical, LNG, industrial gases, chemical processing, nuclear, or other large-scale process facilities
- Experience with steam systems, particularly steam generation, steam distribution, condensate, and balance-of-plant systems
- Experience designing, commissioning, or operating molten salt systems
- Experience designing, commissioning, or operating industrial vacuum or high-vacuum systems
- Experience with industrial gas processing, purification, separation, or fueling systems
- Experience with large-scale process utilities including cooling water, chilled water, compressed or instrument air, nitrogen, and other plant utility systems
- Experience scaling first-of-a-kind technologies from pilot or demonstration scale to commercial operation
- Experience with dynamic process simulation and control-system development
- Experience with industrial automation
- Licensed as a Professional Engineer
Must-have requirements:
- Ability to lift up to 50 lbs occasionally
- Perform activities such as stooping, climbing, typing, standing, and sitting for extended periods of time
- Willingness to occasionally travel or work required nights/weekends/on-call, including occasional travel to suppliers, contractors, or operating facilities
- Willingness and ability to work hands-on in industrial, construction, commissioning, and operating environments
- Dedication to safety to mitigate hazards that may include heat, cold, noise, fumes, strong magnets, lead, high voltage, high current, pressure systems, vacuum systems, hazardous materials, and cryogenics
Skills Required
- Bachelor's degree in Chemical Engineering or a closely related discipline
- 7+ years of relevant industrial process engineering experience or equivalent demonstrated experience
- Strong command of chemical engineering fundamentals, including mass and energy balances, thermodynamics, fluid mechanics, heat and mass transfer, unit operations, and process control
- Experience designing process systems for large-scale industrial facilities
- Experience taking process systems through Front-End Loading or equivalent stage-gated development
- Experience with process, technology, or scale-up to commercial-scale equipment and facilities
- Experience developing process design bases, heat and material balances, PFDs, P&IDs, equipment specifications, datasheets, and process calculations
- Experience sizing, specifying, and selecting industrial process equipment
- Hands-on experience operating, commissioning, starting up, testing, and troubleshooting industrial process systems
- Experience working with operators and technicians and using operating data and field observations to diagnose performance
- Experience with process simulation and analysis tools such as EcoSim, Aspen HYSYS, Aspen Plus, or AVEVA Process Simulation
- Experience with process safety and hazard analysis, including HAZOP or equivalent methodologies
- Experience with relief system design and overpressure protection
- Experience integrating mechanical, piping, instrumentation and controls, electrical, safety, operations, and construction disciplines
- Experience working with equipment vendors, fabricators, EPC organizations, or construction contractors
- Familiarity with ASME B31.3 and ASME BPVC Section VIII
- Ability to communicate and critique technical ideas, assumptions, risks, and tradeoffs clearly
- Strong engineering judgment and ability to identify physically unrealistic analytical or simulation results
- Ability to lift up to 50 pounds occasionally
- Ability to perform stooping, climbing, typing, standing, and sitting for extended periods
- Willingness to travel occasionally and work nights, weekends, or on-call shifts when required
- Ability and willingness to work hands-on in industrial, construction, commissioning, and operating environments
- Ability to work safely around industrial hazards, including high voltage, pressure, vacuum, hazardous materials, and cryogenics
- Experience with large-scale cryogenic systems, particularly helium systems
- Experience in power generation, petrochemical, LNG, industrial gases, chemical processing, nuclear, or other large-scale process facilities
- Experience with steam generation, steam distribution, condensate, and balance-of-plant systems
- Experience with molten salt systems
- Experience with industrial vacuum or high-vacuum systems
- Experience with industrial gas processing, purification, separation, or fueling systems
- Experience with large-scale process utilities
- Experience scaling first-of-a-kind technologies from pilot or demonstration scale to commercial operation
- Experience with dynamic process simulation and control-system development
- Experience with industrial automation
- Professional Engineer license
What We Do
Commonwealth Fusion Systems (CFS) has the fastest, lowest cost path to commercial fusion energy. CFS is collaborating with MIT to leverage decades of research combined with new groundbreaking high-temperature superconducting (HTS) magnet technology. HTS magnets will enable compact fusion power plants that can be constructed faster and at lower cost. CFS is now building SPARC, the world's first commercially relevant, net energy fusion demonstration device. SPARC will pave the way for the first fusion power plant, ARC, that will produce power on the grid. The ultimate mission is to deploy fusion power plants to meet global decarbonization goals as fast as possible. CFS has assembled a team of leaders in tough tech, fusion science, and manufacturing with a track record of rapid execution. Supported by the world’s leading investors, CFS is uniquely positioned to deliver limitless, clean, fusion power to combat climate change. If you are interested in joining our team, check out cfs.energy/careers for more information.









