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Senior Test Planning Engineer Assembly
Job Location:
Job Location:
Devens, MA - USA
Yearly Salary:
USD 110000 - 185000
Yearly Salary:
Posted:
23 September 2026 (20 hours ago)
Posted:
Application Deadline:
21 December 2026
Application Deadline:
Vacancies:
1 Vacancy
Vacancies:
Job Summary
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 were designing and building commercially viable fusion power plants. And were working with policymakers suppliers and many others to build the energy industry of the future.
Were in the best position to make it happen. Since 2018 weve raised $4 billion of capital making us the largest and leading fusion company in the world.
Now were looking for more thinkers doers builders and makers to join us. People wholl bring new perspectives solve tough problems and thrive as part of a team.
If thats you and this role fits we want to hear from you.
Join the power movement as a Senior Test Planning Engineer - Assembly
This position is overall responsible for planning drafting and achieving necessary approval of SPARC Assembly Test Products (test campaigns plans instructions procedures) to accelerate project milestones.
What youll do:
- Transferrable knowledge / skillset to become adept / proficient in all defined specialized test methods from both an engineering and equipment operation perspective specialized testing includes complexity or hazard introduction for design verification purposes (low voltage high voltage high stored energy etc.)
- Capability to mobilize entire test methods based on innovative technologies
- Proficient at technical procedure writing format clean & concise templates for iteration and version control
- Adept at project risk analysis to establish trade-offs for test schedule gains without compromising safety and quality
- Diligence (attention to detail) thorough analysis of preliminary and final design reviews to identify opportunities / develop strategies for risk buy down via test methods
- Exemplifies correct behaviors to establish a safety-conscience work environment & self-improving culture / learning organization evident in test product development
- Generate test procedures / instructions to ensure understanding of scope and identify & mitigate potential risks within both the engineering and technician teams
- Incorporate test performance and safety standards into test products - pre-job briefs procedural place keeping procedural use and adherence conservative bias diligent monitoring of critical parameters correct data capture etc.
- Process and action team feedback following test execution to leverage lessons learned prevent error recurrence and optimize flow for ease of technician execution when deemed prudent
- Lead complex troubleshooting actions plans and casual evaluations as a result of test anomalies
- Develop software proficiency with SPARC Assembly workflow management for all test activities
- Adhere to the highest standards of safety and ensure that activities taking place are being performed in strict accordance with CFS safety policies and applicable regulatory safety standards
- Ensure that activities being performed in the field are conducted in accordance with CFS Standards standards published by regulatory bodies (NFPA ASME ASTM NET OSHA NIOSH etc.) and Industry Best Practices
- Occasional accommodation of off-normal work hours to support critical test activities
What were looking for:
- BS in Engineering or related field
- 7 Years of equivalent engineering experience
- Previous testing experience with hazards
- Previous electrical testing experience (high voltage)
- High proficiency MS Office Bluebeam or Acrobat and 3D modeling programs
Bonus points for:
- OSHA 10
- NFPA 70E
Must-have Requirements:
- Ability to occasionally lift up to 50 lbs
- Perform activities such as typing standing stooping climbing or sitting for extended periods of time
- Required onsite 5 days/week when assembly operations with relevant tools are underway with possible alternating first or second shift assignment
- 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
$110000 - $185000 a year
Salary range for this full-time position equity benefits.The actual salary will depend on level location qualifications and experience. The range displayed on each job posting reflects new hire salaries for the position across all US locations. Benefits include:
Competitive compensation with equity
13 Company-wide Holidays
Flexible vacation days
10 sick days
Generous parental leave policy
Health dental and vision insurance
401(k) with employer matching
Professional growth opportunities
Team-building activities
#LI-Onsite
At CFS we excel in fast-paced environments driven by our values of integrity execution impact and self-critique. As we grow were 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.
This role requires compliance with U.S. laws concerning the export of controlled or protected technologies or information (collectively Export Control Laws). Any offer of employment will be contingent on the need for compliance with such Export Control Laws.
Required Experience:
Senior IC
