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Salary
$110k – $185k per year
Location
In office (Devens)
Seniority
Senior · 5+ years exp
Employment
Full-Time
Overview
Company
Impact
Profile match
Commonwealth Fusion Systems is a commercial fusion energy company headquartered in Devens, Massachusetts, and founded in 2018. The firm specializes in the development of high-temperature superconducting magnets and compact tokamak devices, specifically the SPARC net-energy machine and the ARC commercial power plant. It operates through a strategic partnership with the Massachusetts Institute of Technology and focuses on scaling fusion technology to provide carbon-free, baseload power to global energy markets.

Join the power movement as an Executive Operations Partner

We’re looking for an experienced Executive Operations Partnerto join our high-performing People Operations team. This role supports multiple C-Suite executives and works alongside four other EOPs who collectively ensure the executive team is well-coordinated, informed, and focused on what matters most.

The ideal candidate thrives in a fast-moving, high-growth environment and knows how to bring structure, organization, and calm to the chaos that often comes with start-up life. You’re the type who anticipates needs before they’re spoken, stays two steps ahead, and takes pride in being known for your reliability, judgment, and professionalism.

What you'll do:

  • Provide proactive administrative support to multiple C-Suite executives, including complex calendar management, travel coordination, expense reporting, and document preparation
  • Serve as a trusted partner and representative for executives, ensuring timely communication and follow-through on priorities
  • Coordinate and host on-site meetings and visits, including managing catering orders, greeting guests, and ensuring meeting spaces are properly set up and equipped
  • Manage competing priorities and maintain confidentiality with the highest level of discretion
  • Partner closely with the broader EA team to ensure seamless communication, scheduling alignment, and support coverage across the executive suite
  • Anticipate logistical and operational needs, identify gaps, propose solutions, and execute without being asked twice
  • Support cross-functional coordination between executives and their teams, acting as a connector and communicator when needed
  • Adapt to shifting priorities and feedback while maintaining a positive, composed, and professional approach

What we’re looking for:

  • 5-7 years of experience as an Executive Assistant, with direct support to multiple executives at the C-suite or senior leadership level
  • Strong attention to detail and commitment to delivering high-quality work consistently
  • Exceptional written and verbal communication skills
  • Demonstrated ability to work independently while also thriving as part of a team
  • High emotional intelligence (EQ) - able to read a room, build trust quickly, and navigate sensitive situations with professionalism and empathy
  • A reputation for reliability, discretion, and sound judgment, someone leaders can depend on without hesitation
  • Tech-savvy with strong proficiency in tools such as Google Workspace, Slack, Zoom and Teams

Must-have Requirements:

  • Perform activities such as stooping, climbing, typing, standing, or sitting for extended periods of time
  • Dedication to safety to mitigate industrial hazards that may include heat, cold, noise, fumes, strong magnets, lead (Pb), high voltage, and cryogenics
  • Willingness to travel or work required nights/weekends/on-call occasionally
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