Commonwealth Fusion Systems

Onboarding Coordinator - Contract

Join Commonwealth Fusion Systems in Devens, Massachusetts as an Onboarding Coordinator. This role focuses on managing employee onboarding, training coordination, and engagement. Enjoy working in a mission-driven fusion energy company with opportunities for remote support and a collaborative team environment.
Commonwealth Fusion Systems
Commonwealth Fusion Systems
Devens, Massachusetts, United States On-site Contract position US$35–39 hourly UTC-05:00

Commonwealth Fusion Systems

Company Overview

Name

Commonwealth Fusion Systems (CFS)

Headquarters

Cambridge, MA, United States

Founded

2018

Size

Approximately 430 employees (source: zoominfo.com). Revenue figures vary, with reports indicating $211.3 million or $31.7 million, though as a pre-revenue fusion developer focused on R&D, these may reflect funding or operations rather than sales.

What They Do

Commonwealth Fusion Systems (CFS) is a pioneering private fusion energy company that specializes in tokamak-based magnetic confinement fusion. Founded as a spinout from MIT's Plasma Science and Fusion Center, CFS focuses on utilizing high-temperature superconducting magnets to achieve commercial net energy production (source: cfs.energy). The company has made significant strides in its technology, particularly with the development of compact fusion machines that leverage decades of tokamak science. Their flagship projects, SPARC and ARC, aim to demonstrate net energy gain and commercial viability in the coming years (source: cfs.energy).

Projects & Track Record

CFS is currently engaged in several groundbreaking projects, most notably the construction of SPARC, which is set to be the world's first net-energy fusion machine. Located at their Fusion Energy Campus in Devens, Massachusetts, SPARC aims to demonstrate net energy gain by the late 2020s (source: cfs.energy). Additionally, CFS is planning the ARC project, a 400 MW-class grid-scale tokamak power plant designed for commercial deployment in the early 2030s. These projects are underpinned by significant technological advancements, including the successful testing of the central solenoid magnet module (CSMC) in November 2024, which confirmed the manufacturability of critical components for SPARC (source: zoominfo.com).

Recent Developments

In the past two years, CFS has made remarkable progress, including the opening of its Devens Fusion Energy Campus on February 10, 2023, which was attended by notable figures such as U.S. Secretary of Energy Jennifer Granholm (source: cfs.energy). The company has also secured substantial funding, raising $863 million in August 2024, building on a previous $1.8 billion round in May 2023, bringing total funding to over $2 billion (source: wbjournal.com). Furthermore, CFS announced its first commercial power plant site in Chesterfield County, Virginia, which will be independently financed and operated, with plans for grid connection in the early 2030s (source: zoominfo.com).

Working There

CFS offers a range of roles across various disciplines, including fusion science, engineering, manufacturing, and materials science. The majority of their workforce is based at the Devens campus, which has grown to over 430 employees (source: cfs.energy). The company culture emphasizes rapid execution and transparency, attracting top talent from the fusion and manufacturing sectors. Key executives include Co-Founder and CEO Bob Mumgaard, along with other leaders in operations and science, indicating a strong demand for expertise in tough tech and physics (source: nasdaqprivatemarket.com). While specific benefits are not detailed, the scale-up and investor backing suggest competitive packages for high-caliber roles in a mission-driven environment (source: cfs.energy). Job seekers are encouraged to monitor their careers page for openings related to SPARC and ARC advancements.


Last updated on Feb 23, 2026 | Report an issue

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 we're 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 nearly $3 billion in capital, making us the largest and leading private fusion company in the world.

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 an Onboarding Coordinator

The Onboarding Coordinator will be responsible for the employee experience, with a heavy focus on comprehensive onboarding, training coordination, and engagement.

What you'll do

Support Employee Onboarding

  • Pre-Onboarding Logistics: Manage the pre-onboarding process by sending "First Day" emails and text reminders, submitting MES tickets to provision Manufacturo access, booking hot desks via Envoy, and preparing physical onboarding folders with schedules and timesheets
  • Point of Contact & Arrival: Act as a primary resource for new employees, greeting incoming cohorts in the main lobby, distributing temporary badges, verifying I-9 documentation, and guiding them through their first days
  • Facility Tours: Lead initial facility tours to map out key areas (time clocks, break rooms, restrooms, production doors) and coordinate specialized guided manufacturing floor tours
  • Systems & App Onboarding: Guide new hires through opening and configuring core applications, ensuring they complete required acknowledgements in UKG, set up corporate Email/Slack, claim desks in Envoy, and have proper access to Docebo and Manufacturo
  • Stakeholder & Schedule Coordination: Manage the logistical coordination of the multi-day onboarding schedule. Ensure calendar invites are set and execute live session hand-offs with key stakeholders (IT, HR/Benefits, Operations, Leadership, and Safety)
  • PPE Coordination: Distribute onboarding folders and assist in the Personal Protective Equipment (PPE) overview, ensuring hires receive hard hats, safety glasses, and digital vouchers for safety boots (Dival)
  • Training & Progress Tracking: Monitor independent, self-paced training progress via the Docebo admin console. Provide asynchronous remote support via Slack (including early morning check-ins for early-shift technicians) and seamlessly hand off technicians to their respective shift supervisors upon completion
  • Problem Resolution: Address and resolve any issues or challenges that arise during the onboarding process, utilizing the escalation matrix to troubleshoot login failures, missing system access, badging issues, or training delays

Provide People Operations Support

  • Employee Inquiries: Respond promptly to employee questions and concerns, directing them to the appropriate resources as needed
  • Cross-Functional Collaboration: Communicate effectively with hiring managers, shift supervisors, and People Ops Business Partners regarding onboarding timelines, training delays, and employee floor hand-offs
  • Ad-Hoc Support: Provide support for ad-hoc projects within the People Operations team, demonstrating flexibility and adaptability
  • Team Assistance: Offer general administrative support to the People Operations team, contributing to efficient and effective team operations

What we're looking for

  • Associate or Bachelor's degree
  • 3+ years of Human Resources, Onboarding, or Training Coordination experience
  • Familiarity with HRIS systems (specifically UKG), workspace management tools (Envoy), Learning Management Systems (Docebo), and standard corporate tools (Slack, Okta).
  • Knowledge of basic HR principles
  • Flexibility to provide early morning remote/asynchronous support for technicians on early shifts (e.g., 6:00 AM check-ins)
  • Strong verbal/written communication and interpersonal skills as well as strong customer service experience
  • The ability to prioritize the employee experience
  • Resiliency to work through challenges with optimism and adaptability
  • Attention to detail and the ability to track multiple cohorts concurrently
  • Ability to handle confidential information with integrity and professionalism
  • Ability to take initiative, multitask, manage priorities, and work in a fast-paced organization

Must-have Requirements

  • Perform activities such as 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

$35 - $39 an hour

This is a contract position.

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.

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.

Apply now

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About the role

August 12, 2026

August 18, 2026

Contract position

On-site

Company

US$35–39 hourly

Hydrogen

Commonwealth Fusion Systems

cfs.energy

  •  Devens, Massachusetts, United States

3+ years in Human Resources, Onboarding, or Training Coordination

UTC-05:00