Full-Time

Senior Salt Operations Engineer

Updated on 1/17/2025

Commonwealth Fusion Systems

Commonwealth Fusion Systems

501-1,000 employees

Develops and commercializes fusion energy systems

Energy

Compensation Overview

$80k - $180kAnnually

Senior, Expert

Devens, MA, USA

This position is onsite.

Category
Materials & Structures
Research & Development
Aerospace Engineering
Requirements
  • BS in Chemical, Mechanical, or Nuclear Engineering or a related field
  • 7+ years of experience working with novel, hazardous, high-temperature test articles
  • Experience with molten salt systems
  • Experience developing operating procedures and plans
  • Experience with first-of-a-kind, R&D, or pilot system development
  • Ability to work effectively in a multidisciplinary team of engineers, scientists, technical staff and others
  • Ability to clearly express and critique ideas
  • Great communication and organizational skills (required)
  • Strong problem solving skills, ability to approach new problems with creativity
Responsibilities
  • Lead operations of upcoming salt test loops at CFS, including developing end-to-end operations procedures from conception to decommissioning of a project
  • Develop workflows with safety in mind from the beginning. Lead hazard assessments and safety reviews for key operations to rigorously identify and manage safety risks
  • Ensure that operability is taken strongly into consideration over the entire design and engineering process. This includes providing operability reviews at key points in loop and test article development and synthesizing lessons learned from each test improve the next design
  • Develop workflows to record and communicate operations and performance data
  • Train operators on best practices, SOPs, etc
  • Act as a technical expert on safe salt handling practices to internal and external stakeholders
  • Work closely with other CFS teams including: Safety team to manage chemical hazards (including beryllium) in existing and new experimental facilities, Other R&D functions including Mechanical, I&C etc, ARC Design Team
Desired Qualifications
  • Experience with flibe or other fluoride salts
  • Experience leading safety reviews
  • Experience scaling up low TRL systems
  • Experience with instrumentation and control systems in extreme environments
  • Experience with vacuum systems, hazardous gas systems, or work in irradiation environments
  • Experience with electrochemistry or analytical chemistry
Commonwealth Fusion Systems

Commonwealth Fusion Systems

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Commonwealth Fusion Systems focuses on developing fusion energy as a clean and sustainable power source. The company utilizes advanced magnet technology, created in partnership with MIT, to build smaller and more affordable fusion systems called tokamaks. These devices use magnetic fields to confine plasma in a toroidal shape, which is an effective method for achieving fusion. Currently, CFS is manufacturing high-temperature superconducting magnets and constructing SPARC, the first commercially-relevant net energy fusion machine. The success of SPARC is intended to lead to the development of ARC, the first fusion power plant. CFS differentiates itself from competitors by its commitment to scientific integrity and a mission-driven approach, focusing on delivering cost-competitive fusion energy to help combat climate change. The ultimate goal is to provide a reliable and abundant energy source for energy providers and industries that require significant power.

Company Stage

Grant

Total Funding

$2B

Headquarters

Harvard, Massachusetts

Founded

2018

Growth & Insights
Headcount

6 month growth

0%

1 year growth

-1%

2 year growth

0%
Simplify Jobs

Simplify's Take

What believers are saying

  • CFS plans to build the world's first commercial fusion power plant in Virginia.
  • Increased investment in fusion energy startups indicates strong investor interest.
  • Government net-zero targets align with CFS's clean energy mission.

What critics are saying

  • Competition from companies like TAE Technologies could impact CFS's market position.
  • Reliance on rare-earth materials poses supply chain risks.
  • Public perception of nuclear fusion technology remains uncertain.

What makes Commonwealth Fusion Systems unique

  • CFS uses rare-earth barium copper oxide superconductor technology for energy development.
  • CFS collaborates with MIT for advanced fusion research and magnet technology.
  • CFS is building SPARC, the first commercially-relevant net energy fusion machine.

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Benefits

12.5 Company-wide Holidays

Our vacation policy is 'take vacation'

Our sick time policy is 'get better and try not to make others sick'

Generous parental leave policy

Health Reimbursement

Health, Dependent Care, & Limited Purpose Flexible Spending Accounts

Delta Dental, Blue 20/20 Vision optional

Wellbeing / Headspace coverage

Short-term & long-term disability

Life and AD&D insurance

401K