Commonwealth Fusion Systems

Security Technology Specialist

Join Commonwealth Fusion Systems in Devens, Massachusetts as a Security Technology Specialist. Manage and optimize physical security systems including Genetec Security Center, access control, and IP cameras. Enjoy competitive pay, equity, flexible vacation, and comprehensive benefits while advancing fusion energy.
Commonwealth Fusion Systems
Commonwealth Fusion Systems
Devens, Massachusetts, United States On-site Full time USD 90k–145k yearly 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 Security Technology Specialist

The Security Technology Specialist is responsible for the deployment, configuration, and ongoing administration of Commonwealth Fusion Systems' physical security technology infrastructure. This role serves as the primary subject matter expert for Genetec Security Center, owning the full lifecycle of the access control and video management systems across all CFS facilities. The Specialist works closely with facilities, operations, IT, and the broader security team to ensure systems are reliable, current, and aligned with CFS's evolving security program.

What you'll do

Genetec Security Center Administration

  • Serve as primary administrator and subject matter expert for Genetec Security Center (Omnicast VMS and Synergis ACS modules)
  • Configure, maintain, and optimize access control hardware including door controllers, card readers, panels, and credentials
  • Configure and maintain IP camera systems; manage video storage, retention policies, and camera health monitoring
  • Execute access control changes: cardholder management, access level assignments, schedule configurations, and area definitions
  • Perform software updates, patches, and firmware upgrades for the Genetec platform and associated hardware

System Documentation and Auditing

  • Develop and maintain system documentation including network diagrams, hardware inventories, configuration records, and change logs
  • Conduct regular system audits to verify access control integrity, camera coverage, and alarm point accuracy
  • Troubleshoot system faults, alarms, and hardware failures; coordinate with Genetec support and vendors for advanced resolution

Project Management and Installation

  • Lead and project manage security technology installations and system expansions, including new facilities and upgrades
  • Coordinate with third-party integrators and service vendors on installation projects, maintenance contracts, and service calls
  • Develop project scopes, timelines, and commissioning documentation for all system deployments

Physical Security Technology Stack

  • Manage and maintain the broader physical security technology stack including intrusion detection, intercoms, and visitor management systems
  • Support specification and procurement of new physical security hardware in partnership with the Sr. Manager, Physical Security
  • Monitor system health dashboards and respond to technology-related security alerts
  • Participate in on-call rotation for critical system outages or security technology failures

What we're looking for

  • High school diploma or equivalent required
  • Associate's or Bachelor's degree in Information Technology, Security Management, Computer Science, or a related field preferred
  • 5+ years of hands-on experience with physical security systems in a corporate or industrial environment
  • Genetec Security Center experience required - Genetec Certified Technician (GCT) or Genetec Certified Professional (GCP) required, or must obtain within 6 months of hire
  • Experience with IP camera systems, access control hardware (HID, Allegion, or equivalent), and physical security networking fundamentals
  • Proven ability to manage technology projects from planning through commissioning and documentation
  • Ability to troubleshoot and resolve complex system issues independently with minimal supervision
  • Proficiency in Genetec Security Center administration and Config tool - deep working knowledge of Synergis ACS and Omnicast VMS modules
  • Strong hardware troubleshooting skills; ability to diagnose and resolve IP camera, controller, and card reader failures
  • Ability to read and interpret network diagrams, wiring schematics, and hardware documentation
  • Strong attention to detail and commitment to accurate system documentation and record-keeping
  • Ability to manage multiple concurrent projects and prioritize independently

Bonus points for

  • Experience in a high-security, research, life sciences, or industrial facility environment
  • Familiarity with PSIM platforms or integrated security management systems
  • Experience with visitor management systems (Envoy, Proxyclick, Feenics, or similar)
  • Experience managing third-party security integrators and coordinating vendor relationships
  • Exposure to physical security design including camera coverage planning and access control zone mapping
  • Basic networking knowledge: VLANs, PoE switches, TCP/IP, DNS as applied to physical security systems
  • Familiarity with ASIS, NIST, or ISO physical security standards and best practices

$90,000 - $145,000 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

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

July 22, 2026

July 25, 2026

Full time

On-site

Company

USD 90k–145k yearly

Hydropower, Hydrogen

Commonwealth Fusion Systems

cfs.energy

  •  Devens, Massachusetts, United States

5+ years of experience required

UTC-05:00