We are seeking a collaborative, highly organized Internal Communications Specialist to join our team on a 6-month contract basis (mid-October through mid-April, 2026) to support day-to-day internal communications during a team member's leave. Reporting to the Head of Internal Communications, you will serve as the hands-on operational hub for internal messaging, slide deck creation, channel management, and company meeting execution. You will work closely with cross-functional teams to help draft clear messages, maintain internal publishing schedules, and keep employees informed and connected.
What you'll do:
- Multi-Channel Writing: Draft, edit, and publish concise, brand-aligned messaging, including emails, Slack updates, Confluence, and digital signage
- Inbound Request Management: Act as the primary coordinator for internal communication submissions, working with cross-functional leads (Safety, Facilities, IT, People Operations) to advise on content, review and schedule their communications
- Speaker Support: Work with presenters to organize, reformat, and refine presentation slide decks to align with company branding and formatting standards
- All-Hands Meetings: Coordinate meeting logistics, presenter schedules, slide decks, and audience Q&A tools for company All-Hands meeting
- On-Site Event Support: Assist with live meeting setup in Devens—working with AV/IT teams, managing Q&A platform, and drafting post-meeting recap emails and summaries
- Recognition Programs: Administer the logistics and communications for employee recognition programs, including nomination reviews, slide updates, manager notifications, and award delivery
- Calendar Management: Maintain the internal communications editorial calendar to keep coordination and scheduling on track
- Targeted Campaign Rollouts: Project manage the execution of internal comms projects and messaging
What we're looking for:
- 2–3+ years of hands-on experience in internal communications, corporate communications, employee engagement, or marketing operations
- Ability to work in person at our Devens, MA campus to support hands-on meeting execution and cross-functional team coordination
- Strong writing, proofreading, and line-editing skills with an ability to turn raw information into clear, easy-to-read employee communications
- Strong visual eye for presentation design, layout formatting, and brand consistency (Google Slides)
- Comfortable using generative AI tools as an efficiency multiplier in daily workflows
- Ability to take direction from the Head of Internal Communications, manage tight daily deadlines, and work effectively with cross-functional partners across the company
Must-have requirements:
- Perform extended activities such as stooping, climbing, typing, standing, sitting, etc.
- Willingness to travel or work required nights/weekends/on-call regularly
- Dedication to safety to mitigate hazards that may include heat, cold, noise, fumes, strong magnets, lead, high voltage, and cryogenics
Skills Required
- 2–3+ years of hands-on experience in internal communications, corporate communications, employee engagement, or marketing operations
- Ability to work in person at the Devens, Massachusetts campus
- Strong writing, proofreading, and line-editing skills
- Ability to convert raw information into clear employee communications
- Strong visual design and presentation-formatting skills, including Google Slides
- Comfort using generative AI tools in daily workflows
- Ability to manage tight daily deadlines and collaborate cross-functionally
- Ability to perform extended stooping, climbing, typing, standing, and sitting activities
- Willingness to travel or work nights, weekends, and on-call shifts regularly
- Dedication to safety in environments involving heat, cold, noise, fumes, strong magnets, lead, high voltage, and cryogenics
What We Do
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. CFS is now building SPARC, the world's first commercially relevant, net energy fusion demonstration device. SPARC will pave the way for the first fusion power plant, ARC, that will produce power on the grid. The ultimate 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.
