Realta Fusion

Head of Experimental Physics

PhD in Plasma Physics; 8+ years in experimental plasma physics; expertise in plasma diagnostics and large-scale experiments; strong leadership and communication skills.

Head of Finance

8+ years in finance with FP&A and operations; strong modeling; ERP/Accounting software; leadership experience in a startup.

Nuclear Engineer

BS with 3 years in Nuclear Engineering; radiation transport modeling (MCNP/OpenMC/DAGMC/MCBEND); fusion modeling preferred; strong communication; team collaboration.

Supplier Integration Manager

5+ years in supply chain, strategic sourcing, or procurement in technical manufacturing or deep-tech; strong contract negotiation; cross-functional collaboration.

Experimental Software Engineer

Bachelor's in CS/Software Eng/Data Science/Physics plus 6+ years software engineering; strong Python; DAQ/controls experience; scientific computing; collaboration.

Neutral Beam Injector Scientist

Advanced degree in physics or engineering; plasma physics, high voltage & UHV systems; accelerator design/beam optics; strong communication and teamwork.

Environment, Health & Safety (EHS) Manager

Environment, Health & Safety Manager

Lead development and implementation of EHS programs, ensure regulatory compliance, manage safety culture, and support facility/lab operations in a startup fusion energy environment.

Senior Theoretical & Computational Scientist

PhD in Plasma Physics or related field; 5+ years in theoretical/computational plasma physics; experience with MHD, PIC, and related tools.

Senior Systems Administrator

7+ years in systems administration; strong Microsoft 365 and endpoint management; networking, VPN, and cloud infrastructure (AWS); troubleshooting; IT process documentation; cybersecurity awareness.

Chief of Staff

Bachelor’s in engineering, business, operations; 8+ years in operations/strategy/PM; strong leadership and cross-functional delivery; excellent organizational, communication and problem-solving skills; high judgment and discretion.

Head of Systems Engineering

Lead systems engineering for fusion devices; 15+ years exp; 5+ years leadership; BS in related field; MBSE; DOORS/Cameo; V&V; cross-disciplinary integration.

Senior Experimental Scientist

PhD in Plasma Physics with 5+ years experimental plasma physics experience; extensive plasma diagnostics experience; collaboration and IP/publication experience.

Experimental Scientist/Physicist

PhD in Plasma Physics or related field; 3+ years in experimental plasma physics; experience with plasma diagnostics; design/build field diagnostic systems; understanding of magnetically confined fusion; collaboration; IP/publications.

Theoretical and Computational Scientist

PhD in Plasma Physics or related field; 3+ years in theoretical/computational plasma physics; experience with MHD, extended-MHD/ PIC; diagnostics knowledge; collaboration; publications.

General Application

General application to express interest in potential openings; submit resume and cover letter.

Title	Location	Date
Head of Experimental Physics Full Time · 8+ YOE Madison, Wisconsin, United States · Onsite	Madison, Wisconsin, United States Onsite	May 4, 2026
Head of Finance Full Time · 8+ YOE Madison, Wisconsin, United States · Onsite	Madison, Wisconsin, United States Onsite	Apr 29, 2026
Nuclear Engineer Full Time · 3+ YOE Madison, Wisconsin, United States · Onsite	Madison, Wisconsin, United States Onsite	Apr 16, 2026
Supplier Integration Manager Full Time · 5+ YOE Madison, Wisconsin, United States · Onsite	Madison, Wisconsin, United States Onsite	Apr 13, 2026
Experimental Software Engineer Full Time · 6+ YOE Madison, Wisconsin, United States · Onsite	Madison, Wisconsin, United States Onsite	Mar 12, 2026
Neutral Beam Injector Scientist Full Time Madison, Wisconsin, United States · Onsite	Madison, Wisconsin, United States Onsite	Mar 2, 2026
Environment, Health & Safety (EHS) Manager Full Time · 5+ YOE Madison, Wisconsin, United States · Onsite	Madison, Wisconsin, United States Onsite	Feb 27, 2026
Senior Theoretical & Computational Scientist Full Time · 5+ YOE Madison, Wisconsin, United States · Onsite	Madison, Wisconsin, United States Onsite	Feb 18, 2026
Senior Systems Administrator Full Time · 7+ YOE Madison, Wisconsin, United States · Hybrid	Madison, Wisconsin, United States Hybrid	Feb 17, 2026
Chief of Staff Full Time · 8+ YOE Madison, Wisconsin, United States · Onsite	Madison, Wisconsin, United States Onsite	Feb 16, 2026
Head of Systems Engineering Full Time · 15+ YOE Madison, Wisconsin, United States · Onsite	Madison, Wisconsin, United States Onsite	Jan 16, 2026
Senior Experimental Scientist Full Time · 5+ YOE Madison, Wisconsin, United States · Onsite	Madison, Wisconsin, United States Onsite	Jan 8, 2026
Experimental Scientist/Physicist Full Time · 3+ YOE Madison, Wisconsin, United States · Onsite	Madison, Wisconsin, United States Onsite	Jan 8, 2026
Theoretical and Computational Scientist Full Time · 3+ YOE Madison, Wisconsin, United States · Onsite	Madison, Wisconsin, United States Onsite	Oct 14, 2025
General Application Full Time Madison, Wisconsin, United States · Onsite	Madison, Wisconsin, United States Onsite	Feb 19, 2025

Name	Realta Fusion
Headquarters	US
Industries	Fusion EnergyEnergy Technology
Activities	Developing magnetic mirror fusionDesigning industrial fusion reactorsPlasma physics researchDeveloping scientific softwareEngineering fusion technology
Type	Private
Employees	50
Tagline	Developing compact, modular magnetic mirror fusion energy systems.
Founded	2,022
Website	realtafusion.com
Latest Funding Round	Series A
Latest Funding Year	2,025
Latest Funding Amount	36,000,000
Latest Investors	Future VenturesKhosla Ventures

Realta Fusion

About Realta Fusion