Metrology Engineer

Commonwealth Fusion Systems

190

Devens, MA, United States

Posted on: 2025-06-27

Category: renewables

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Employment type:

Full time

Experience required:

Intermediate

Salary

Salary not provided

About the company:

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.

The 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.

About Commonwealth Fusion Systems:

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. And working with policymakers and suppliers to build the energy industry of the future.

We’re in the best position to make it happen. Since 2018, we’ve raised over $2 billion in capital – more than any other fusion energy company in the U.S.

Now we’re looking for more thinkers, doers, builders, and makers to join us. People who’ll bring new perspectives, solve tough problems, and thrive as part of a team.

If that’s you and this role fits, we want to hear from you.

Join the power movement as a Metrology Engineer

CFS is an innovative clean energy company designing SPARC, a tokamak-style fusion power demonstrator able to achieve net energy plasmas. This demonstrator will lead to ARC, a power-plant scale fusion power generator system. SPARC includes high-temperature superconducting and copper magnets, thermal shields, cryogenic cooling systems, vacuum vessels, and plasma facing components, all of which are densely packed into a power system and are subject to large operational loads (thermal, electromagnetic, etc.). Critical to the success and performance of the device is the precise alignment and assembly of key systems and structures within the dense device assembly. As a Metrology Engineer on the SPARC Assembly team, your responsibility will be to utilize portable 3D metrology technology to perform mid- to large-scale dimensional inspections and precision alignments on a wide variety of unique SPARC systems and structures according to the SPARC metrology plan.

We are a fast-paced, agile, growing company that values diversity of thought and creativity, looking to apply our knowledge to pioneer a new method of energy generation for the betterment of the world. We look for people who have bold new ideas and perspectives, enthusiasm, imagination, a pioneering spirit, and a talent for execution to join us in our endeavor to create new fusion power technology that could change the world.

#LI-Onsite

At CFS, we excel in fast-paced environments, driven by our values of integrity, execution, impact, and self-critique. As we grow, we’re eager to bring on mission-driven folks who offer diverse perspectives and fresh ways to tackle challenges.

We value diversity deeply and are proud to be an equal opportunity employer by choice. We consider all qualified applicants equally, regardless of race, color, national origin, ancestry, citizenship status, protected veteran status, religion, physical or mental disability, marital status, sex, sexual orientation, gender identity or expression, age, or any other basis protected by law.

What you'll do:

Use laser trackers and other portable 3D metrology equipment to perform precision alignments and dimensional inspections in a manufacturing/jobsite environment on a variety of components varying in scale from handheld to full power plant

Perform metrology tasks both independently and as part of a team according to the baseline metrology plan and the guidance of senior metrology staff

Optimize measurement efficiency by utilizing logical portable 3D metrology sequences and industry best practices

Maintain well-organized files and datasets that follow logical structure for ease of review as needed throughout the SPARC project

Evaluate measurement uncertainty and how it relates to the accuracy of results

Analyze and review metrology data for accuracy and effectively communicate results to stakeholders

In adverse cases, work with stakeholders to create and execute a workflow that allows efficient and expedient completion of mis-alignment issues

Exercise proper care and maintenance of metrology equipment to ensure operability and accuracy

Occasionally collaborate with design/engineering teams to understand requirements and work with the metrology team to develop unique solutions that balance precision and accuracy with a demanding project schedule

Occasionally assist with analysis of production metrology data of major SPARC components that overlaps with the overall precision alignment plan

Assist with non-metrology assembly activities as needed when metrology activities are light

What we’re looking for:

High School Diploma or equivalent

2+ years experience using one of the following portable 3D metrology instruments: laser tracker, articulated arm CMM, portable optical CMM, non-contact laser line scanner

2+ years experience using one of the following portable metrology software packages: SpatialAnalyzer, Polyworks Inspector, Inspire, Verisurf, Metrolog X4, CAM2 Measure

2+ years of mid- to large-scale metrology in a manufacturing/jobsite setting (i.e. other than QC lab)

2+ years of experience working as part of a multi-disciplinary team with different levels of engineering, manufacturing, or operations professionals

2+ years experience with assembly or installation of tightly tolerance structural components.

Basic understanding of GD&T per ASME Y14.5

Advanced level of 3D spatial awareness and reasoning, and the ability to describe such in a clear and concise manner

Basic understanding of how portable 3D metrology tools function and how that affects measurement uncertainty

Self-critique of measurement process and collected data, and the ability strategize and develop alternative verification methods

Fundamental understanding of environmental conditions and their effect on measurements

Basic mechanical aptitude, including ability to interpret dimensions, tolerances, and assembly notes

Ability to communicate and work with all levels of engineering, physics, manufacturing, and operations personnel

Ability to clearly express and critique ideas

Excellent organization and careful management of data

Attention to detail

Emphasis on elegance and simplicity over complexity

Driven towards execution and rapid completion

Drive towards commercially viable solutions

Values that align with our company’s values of integrity, execution, impact, and self-critique

Bonus points for:

Bachelor’s degree in an engineering field

3+ years experience using laser trackers in manufacturing/jobsite settings

3+ years experience using SpatialAnalyzer for 3D data collection and advanced metrology analyses

Experience using non-contact laser line scanners for inspecting complex shapes and free-form features

Experience with precision alignment of large, delicate, and complex structures in dense spaces

Experience with large metrology control networks, multiple instrument setups, and alignments of components across multiple rooms without line-of-sight to reference objects

Experience operating multiple instruments in tandem to perform a single alignment

2+ years experience in CAD designing and extracting information (e.g. NX, Solidworks, CATIA, etc.)

Experience with traditional metrology hand tools and table-top methods for small scale components

Advanced understanding and application of GD&T per ASME Y14.5

Must-have Requirements:

Ability to occasionally lift up to 50 lbs

Perform activities such as sitting, climbing, stooping, typing, and standing for extended periods of time

Working from heights is required. Must be able to safely utilize fall protection for work at heights of up to 35 feet via MEWPs (i.e. boom lift, scissor lift), temporary platforms (i.e. scaffolding, custom platforms), and ladders when necessary.

Ability to work in confined, tight, or awkward spaces

Work in a facility that contains industrial hazards including heat, cold, noise, fumes, strong magnets, lead (Pb), high voltage, high current, pressure systems, and cryogenics

Willingness to travel or work required nights/weekends/on-call occasionally based on evolving build schedule

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