Senior Mechanical Engineer – Maintenance

Commonwealth Fusion Systems

. Develop concept of operations for the ARC Remote Maintenance System .

Posted 9/18/2026full-timeDevens • Massachusetts • United StatesSenior💰 $110,000 - $185,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Mechanical Engineering with a focus on the design and development of Remote Handling Equipment (RHE) and complex mechanical structures. Proven ability to lead R&D campaigns and collaborate effectively within multidisciplinary teams while ensuring safety and compliance in industrial environments.

Highest-signal resume keywords

Mechanical Engineering B.S.Remote Handling Equipment DesignFinite Element Analysis (Ansys)CAD Proficiency (NX)R&D Campaign Leadership

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Mechanical EngineeringRemote Handling Equipment DesignStructural AnalysisFinite Element AnalysisRoboticsActuation MechanismsGuidance MechanismsSensing MechanismsFabricationTesting

Soft Skills

CollaborationCommunicationSafety ConsciousnessCritical ThinkingTeamwork

Tools & Technologies

AnsysNX CADRobotic TechnologiesHeavy-Lift EquipmentRemote Maintenance Systems

Industry Keywords

TokamakFusion Power PlantMultidisciplinary Trade StudiesTechno-EconomicsIndustrial Hazards

About the role

Key responsibilities & impact

Develop concept of operations for the ARC Remote Maintenance System
Participate in the pre-conceptual design process of the ARC fusion power plant
Design radiation-hardened remote handling equipment using robotic technologies, custom hardware, and remotely operated heavy-lift equipment
Perform maintenance assessments of the tokamak and plant
Collaborate with tokamak engineering teams to design the tokamak for remote maintainability
Perform high-level multidisciplinary trade studies involving physics, neutronics, design, maintenance, materials, manufacturing, and techno-economics
Collaborate with multiple teams and manage projects across disciplines
Identify R&D needs and establish plans for internal or external R&D campaigns
Research established and cutting-edge remote handling solutions
Work with external RHE/robotics organizations and industry partners on contracted work, R&D, and knowledge transfer
Establish CFS remote maintenance design guidelines for RHE, the tokamak, and plant

Requirements

What you’ll need

Structural, Mechanical, or Aerospace Engineering B.S
At least 7 years of mechanical engineering experience in the design, fabrication, testing, operations, integration, and commissioning of complex mechanical structures
At least 7 years of technical experience in the design of remote handling equipment (RHE) using robotics or remotely operated precision mechanical structures
Experience in leading R&D campaigns of novel technology to increase TRL and unlock new design solutions in remote maintenance fields
Experience with standard actuation, guidance mechanisms, sensing, and structural mechanisms
Proficient in structural analysis via both hand calculations and finite element analysis; Ansys preferred
Familiarity with CAD; NX preferred
Ability to work effectively in a multidisciplinary team
Ability to clearly express and critique ideas
Safety conscious
Ability to perform activities such as typing and sitting for extended periods
Dedication to safety around industrial hazards including heat, cold, noise, fumes, strong magnets, lead, high voltage, and cryogenics
Willingness to travel or work occasional nights, weekends, or on-call shifts; travel expected up to 15%

Benefits

Comp & perks

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