Full-Time

Director of Control Systems, Instrumentation and Diagnostics

Multiple Teams

Updated on 9/4/2026

Thea Energy

Thea Energy

51-200 employees

Develops fusion power via planar-coil stellarators

Compensation Overview

$185k - $280k/yr

+ Equity stock options

Kearny, NJ, USA

In Person

Occasional travel and occasional required nights, weekends, or on-call work may be required.

Bachelor's, Master's

Category
Engineering Management (1)
Required Skills
TCP/IP
Computer Networking
C/C++
FPGA

Get referred to Thea Energy

See people who can refer or advise you

Requirements
  • A bachelor's degree or higher in Electrical Engineering, Controls, Computer Science, Physics, or equivalent.
  • At least 10 years of relevant experience spanning at least two of the following: integrated control systems, industrial automation, fast data acquisition, instrumentation systems engineering, diagnostics acquisition, or real-time embedded software.
  • At least 5 years of engineering management experience leading multi-team organizations, including hiring and performance leadership.
  • Demonstrated experience owning complex system development from architecture through prototype validation and integration.
  • A strong foundation in safety and high-reliability engineering practices, including interlocks, alarms, fail-safe design, and disciplined documentation.
  • Experience driving technical decisions across physics, mechanical, electrical, safety, and program teams.
  • Experience delivering control, instrumentation, and diagnostics systems for fusion devices, accelerators, advanced nuclear, or other large scientific facilities with tight timing and data-fidelity requirements.
  • Experience with functional safety workflows and standards-driven programmable logic controller systems engineering.
  • Experience with field-programmable gate array-based acquisition and low-latency streaming pipelines for real-time feedback and machine protection.
  • Ability to occasionally lift up to 50 pounds.
  • Ability to perform activities such as typing, standing, or sitting for extended periods.
  • Willingness to occasionally travel or work required nights, weekends, or on-call.
  • Ability to work in a facility containing industrial hazards, including heat, cold, noise, fumes, strong magnets, high voltage, high current, pressure systems, and cryogenics.
Responsibilities
  • Lead and mentor a multidisciplinary organization spanning control systems, instrumentation, diagnostics acquisition, embedded software, and real-time integration, including hiring, performance management, career development, and team structure.
  • Establish the engineering operating rhythm, including planning, prioritization, technical reviews, staffing plans, and decision-making processes.
  • Set technical direction and ensure consistent engineering quality across requirements, architecture, implementation, verification, and documentation.
  • Own the Eos control, instrumentation, and diagnostics architecture, including functional, physical, communications, timing, and data-flow boundaries across fast data acquisition, supervisory control, programmable logic controller automation, safety interlocks, and diagnostics acquisition.
  • Lead technology selection for real-time control, supervisory control and data acquisition, networking, timing, and data management, and ensure consistency across integration protocols and data interfaces.
  • Own the technical interface to external vendors and collaborators providing controls hardware, diagnostics hardware, and instrumentation deliverables, including technical specifications, design reviews, and acceptance participation.
  • Oversee development and integration of the Eos control system across major subsystems, ensuring deterministic behavior, fault handling, and operational sequencing.
  • Own the Safety and Interlock System philosophy, including safety-class logic where required, participation in hazard analyses, and alignment with functional safety practices and standards.
  • Own instrumentation architecture across the facility, including sensor selection, signal types, isolation strategy, signal conditioning, grounding, shielding, and segregation practices for noisy, high-power environments.
  • Oversee diagnostic acquisition architecture end to end, from front-end sensors and conditioning through digitizers, field-programmable gate array processing, data streaming, and archiving in support of plasma operations and feedback control.
  • Partner with systems engineering to translate device requirements into control, instrumentation, and diagnostics requirements, interface definitions, and verification plans.
  • Run evidence-based technical gates and design reviews with clear entry and exit criteria and configuration control.
  • Own delivery artifacts such as requirements, interface control documents, design packages, test plans, and acceptance evidence to support procurement, installation, and commissioning.
  • Maintain a strong safety culture, including machine-protection thinking, hazard-analysis inputs, and design choices that support safe installation and operations.
  • Provide hands-on leadership in laboratory and field environments, coordinating with technicians and test teams for build, wiring, installation support, and debugging.
Desired Qualifications
  • Strong cross-functional communication skills.
  • Experience with EPICS or TANGO and industrial integration protocols such as OPC UA, DDS, Modbus, and deterministic timing networks.
  • Familiarity with integrating artificial intelligence and digital-twin capabilities into supervisory control and operations workflows.
  • Experience with control frameworks and integration including LabVIEW, EPICS, TANGO, OPC UA, DDS, Modbus, and TCP/IP.
  • Experience with programmable logic controller platforms including Siemens TIA Portal, Beckhoff TwinCAT, Allen-Bradley, and CODESYS, and with IEC 61131-3 practices.
  • Experience with timing and synchronization technologies including White Rabbit and IEEE 1588 Precision Time Protocol.
  • Experience with data acquisition and diagnostics technologies including PXIe digitizers, field-programmable gate array platforms, event and timestamping frameworks, and data-streaming infrastructure.
  • Experience with embedded and middleware software including real-time embedded Linux, real-time operating systems, C, C++, and distributed orchestration tooling.
  • Experience with instrumentation design and documentation tools and artifacts including AutoCAD Electrical, EPLAN, tag databases, input and output lists, cable schedules, and loop diagrams.
  • Exceptional work ethic and communication skills.

Thea Energy is developing nuclear fusion technology to provide grid-scale, zero-emission electricity for utilities and large industries. Its approach centers on reimagining the stellarator with flat, planar superconducting coils and software-controlled magnet systems, enabling continuous fusion operation and easier maintenance, while guiding the Eos neutron-source device and the Helios commercial power plant concept. This design differs from competitors by prioritizing manufacturability, lower capital costs, and agile software control over traditional twisted-magnet stellarators, supported by public-private DOE milestones. The company aims to commercialize fusion as a scalable baseload power source and secure long-term power offtake agreements to replace fossil-fuel generation.

Company Size

51-200

Company Stage

Grant

Total Funding

$145.8M

Headquarters

Princeton, New Jersey

Founded

2022

Get referred to Thea Energy

See people who can refer or advise you

Simplify Jobs

Simplify's Take

What believers are saying

  • Thea raised $100 million Series B on May 27, 2026, then extended it August 18.
  • ARPA-E awarded $20 million on July 27, 2026, funding domestic HTS magnet production.
  • May 13, 2026 full-scale coil operation validated 6T performance for Eos manufacturing.

What critics are saying

  • Eos still needs a 2026 site decision, and construction slips break the 2030 schedule.
  • Helios depends on unproven 324-coil control at scale, despite 2026 magnet tests.
  • Commonwealth Fusion Systems and Helion are chasing grid power first, starving Thea of capital.

What makes Thea Energy unique

  • Thea Energy replaces twisted stellarator coils with mass-manufacturable planar superconducting coils.
  • DOE certified Helios preconceptual design on January 13, 2026, first Milestone Program awardee.
  • Thea is building AI-controlled digital twins with NVIDIA, Synopsys, Argonne, and PPPL.

Help us improve and share your feedback! Did you find this helpful?

Benefits

Health Insurance

Dental Insurance

Vision Insurance

Stock Options

Paid Vacation

Growth & Insights and Company News

Headcount

6 month growth

-1%

1 year growth

0%

2 year growth

5%
The Mirror Democrat and Savanna Times-Journal
Jul 27th, 2026
Thea Energy secures $20M from US DOE to scale domestic HTS magnet production for fusion power

Thea Energy has received a $20 million award from the US Department of Energy's Advanced Research Projects Agency-Energy (ARPA-E) through its SCALEUP programme. The New Jersey-based fusion technology company will use the funding to establish the first domestic production line for modular high-temperature superconducting (HTS) magnets. The company plans to use approximately 300 planar shaping coils in its first large-scale integrated stellarator system, called Eos. Over the past two years, Thea Energy has iterated its coil designs more than 100 times and validated their performance. The SCALEUP programme supports previous ARPA-E awardees in scaling technologies toward market adoption. The award follows Thea Energy's $100 million Series B funding round.

Yahoo Finance
Jun 8th, 2026
Thea Energy builds first fusion power plant digital twin with NVIDIA, Synopsys, and US labs to deliver fusion power by 2035

Thea Energy has announced collaborations with NVIDIA, Synopsys, Argonne National Laboratory and Princeton Plasma Physics Laboratory to develop a digital twin of its Helios stellarator fusion power plant. The initiative supports the US Department of Energy's Genesis Mission, which aims to accelerate fusion power development using artificial intelligence. The digital twin will integrate AI and computational tools to analyse vast datasets, rapidly evolve plant designs and test system operations more efficiently than traditional methods. NVIDIA will build the platform using Omniverse libraries, whilst Synopsys will provide multiphysics simulation expertise for the breeding blanket system. Thea Energy's planar coil stellarator architecture uses AI for software controls to continuously optimise the system. The company aims to deliver fusion power by 2035, using the digital twin to shorten development cycles and reduce capital requirements.

Business Insider
May 27th, 2026
Thea Energy raises $100M Series B to accelerate commercial stellarator fusion power plants

Thea Energy, a fusion power startup advancing stellarator technology, has raised $100 million in an oversubscribed Series B round led by US Innovative Technology Fund. General Innovation Capital Partners and Linse Capital participated, alongside existing investors including Lowercarbon Capital and Prelude Ventures. The Kearny, New Jersey-based company will use the funding to expand magnet manufacturing capacity, including adding a second facility, and construct "Eos", a large-scale integrated stellarator system. Thea Energy plans to select a site for Eos this year whilst doubling its team size. Founded in 2022 as a Princeton University spin-out, Thea Energy recently became the first company to receive US Department of Energy certification for its Helios power plant preconceptual design milestone. The company aims to begin construction of its first commercial power plant before 2030.

OODA LLC
Oct 7th, 2025
Thea Energy advances with $30M funding

Thea Energy, a Kearny-based company, is advancing its fusion power goals with significant backing, including a recent fellowship from Amazon Web Services and the International Research Centre on Artificial Intelligence. A spinout from Princeton Plasma Physics Laboratory and Princeton University, Thea Energy focuses on commercializing stellarator fusion energy. Since its 2022 founding, the company has raised $30 million in investor funding and received additional non-dilutive funding from the U.S.

TechCrunch
Feb 8th, 2024
Thea Energy Raises $20M Series A For Pixel-Inspired Fusion Power Plants

To build a fusion power plant, engineers are forced to make some difficult choices. Do they go with the simpler design and then, while in operation, force the plasma to behave so it doesn’t snuff itself out? Or do they opt for a complex design that’s challenging to build but leads to happier plasma?Or what if there was a way to do both?Thea Energy is hoping that “both” is the right answer. The startup is betting that software can supplant manufacturing precision in its quest to deliver reliable, inexpensive fusion power. It has recently raised a $20 million Series A, TechCrunch has exclusively learned. Prelude Ventures led the round with participation from 11.2 Capital, Anglo American, Hitachi Ventures, Lowercarbon Capital, Mercator Partners, Orion Industrial Ventures and Starlight Ventures.There are two main approaches to fusion power: inertial confinement and magnetic confinement. The former made headlines at the end of 2022 for proving that net-positive fusion power isn’t just science fiction by using massive lasers to vaporize a fusion fuel pellet.Many startups, though, are using some variation of the former