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Type One Energy Tech Stack

Stellarator fusion reactor development with HTS magnets and advanced manufacturing

Renewable Energy Power Generation Knoxville, Tennessee 201–500 employees Founded 2019 Privately Held

Type One Energy is building a stellarator fusion power plant using high-temperature superconducting magnets and additive manufacturing. The tech stack reveals a heavy CAD + simulation architecture (Siemens NX, Julia, Fortran, C++) paired with project management tools (Jira, Smartsheet, Microsoft Project), reflecting the complexity of multi-disciplinary fusion engineering. Hiring is 40 engineers strong across senior and intern levels, with active projects spanning reactor modeling, risk management, neutronics simulation, and digital twin development — a trajectory consistent with moving from design validation toward prototype construction.

Tech Stack 45 technologies

Core StackC++ Python Linux gRPC MySQL PostgreSQL Redis Smartsheet Jira GitHub SentinelOne Zscaler Siemens NX Windows TCP UDP Protocol Buffers Microsoft Project Excel PowerPoint Word Julia Fortran Git Outlook Teams SharePoint CAD Teamcenter Bash+13 more
AdoptingGitHub Actions SIEM

What Type One Energy Is Building

Challenges

  • Integrating experimental data into models
  • Ensuring version control of data
  • Complex multi-disciplinary technical objectives
  • Scale-up manufacturing processes
  • Risk mitigation
  • High-performance fusion system operation
  • Digital accounting of tritium
  • Integrating multiple simulation tools
  • High-priority technical programs
  • Commercializing fusion energy

Active Projects

  • Infinity2 program risk management
  • Infinity two fusion pilot plant
  • Infinity 2 stellarator reactor modeling
  • Fusion energy development roadmap
  • Fusion direct program risk management
  • Infinity1 program
  • Neutronics modeling and simulation for detector optimization
  • Digital twin development
  • Fusiondirect development program
  • Fuel cycle subsystem modeling

Hiring Activity

Steady50 roles · 15 in 30d

Department

Engineering
40
Ops
4
Legal
2
Security
2
Research
1

Seniority

Senior
31
Intern
7
Manager
6
Mid
5
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About Type One Energy

Type One Energy commercializes stellarator fusion energy systems founded by fusion scientists and business leaders in 2019. The company pursues two main development programs — FusionDirect and Infinity — targeting a fusion power plant within the coming decade. Operations span 201–500 employees across engineering, research, and operations, headquartered in Knoxville, Tennessee, with hiring in the United States, Canada, and United Kingdom. Core technical challenges center on integrating experimental data into models, scaling manufacturing processes, neutronics modeling, tritium accounting, and coordinating multiple simulation tools across high-priority programs.

HeadquartersKnoxville, Tennessee
Company Size201–500 employees
Founded2019
Hiring MarketsUnited States, Canada, United Kingdom

Frequently Asked Questions

What tech stack does Type One Energy use?

Type One Energy relies on Siemens NX for CAD, Julia and Fortran for computational physics, C++ and Python for core software, MySQL/PostgreSQL for databases, and Jira/Smartsheet for project management. They are adopting GitHub Actions and SIEM.

What is Type One Energy working on?

The company is developing two main programs: FusionDirect and Infinity2, focusing on stellarator reactor modeling, neutronics simulation, digital twin development, fuel cycle subsystem modeling, and risk management for fusion power plant commercialization.

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