Power electronics engineer (fusion)Salary, qualifications, career path and hiring demand, 2026 edition
A fusion power electronics engineer designs and validates power electronics circuits, converters, rectifiers, inverters, DC links, switching systems, and protection hardware that move electrical energy into magnets, heating systems, and other high-power fusion loads. The role involves coordinating electrical design projects and delivering electrical system designs that turn utility-scale electrical supply into precisely controlled current or voltage under pulsed, high-current, and high-energy operating conditions. While a general electrical engineer may own distribution, the power electronics engineer owns power electronics design, conversion dynamics, switching behaviour, losses, harmonics, protection, and machine-facing performance.
Fusion power electronics engineering does not have a dedicated national salary series, so TRX models the role from live specialist electrical-engineering and private-fusion power roles. UKAEA currently advertises an Electrical Design Group Leader at £71,815 including Specialist Allowance, while specialist and senior electrical engineering roles sit below that leadership level. In the US, complex private-fusion electrical and power-conversion roles commonly move from the low-$100,000s to above $200,000 as engineers take ownership of high-current, high-voltage power conversion equipment and machine-critical systems in fusion energy projects.
There is no single licence requirement. The real gate is evidence of power electronics experience with high-power hardware that actually worked: topology selection, switching devices, magnet or plasma loads, thermal management experience, busbars, fault energy, control strategies, protection, EMC and commissioning. Fusion-specific value rises sharply when the engineer has worked on pulsed magnetic coils, superconducting magnets, high-voltage RF supplies or systems where a converter fault can damage long-lead fusion power plant components. Electrical engineering skills in prototype testing and design reviews are also critical in this field.
The role at a glance
Everything an employer will ask about in the first fifteen minutes of a screening call.
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- Also called
- power conversion engineer · pulsed power engineer · magnet power supply engineer · high-power electronics engineer · converter engineer · electrical power systems engineer
- Entry qualification
- Electrical, electronic, power, controls or related engineering degree; hands-on converter and high-power hardware evidence is essential.
- Typical entry pay
- $105,000–$145,000 US TRX market model · £42,000–£52,000 UK TRX market model
- Senior pay
- $165,000–$215,000 senior and $195,000–$245,000 principal US · £57,000–£95,000 senior/lead UK
- Contract day rates
- roughly £550–£950/day UK · $120–$250/hr US for scarce pulsed-power, HV, converter and commissioning expertise
- Professional gate
- CEng/PE is useful for authority roles but not universally mandatory; proven converter ownership and safe high-energy commissioning matter more.
- Security
- UKAEA roles commonly use BPSS. Additional access or export-control restrictions depend on programme and employer.
- Where the work sits
- Fusion developers, UKAEA/STEP, ITER, national laboratories, power-electronics suppliers, magnet programmes and heating/current-drive teams.
- Travel
- Moderate. FATs, supplier reviews, installation, energisation and commissioning can create substantial site travel.
- Shift pattern
- Mostly project hours in design; energisation, integrated test and machine commissioning can require extended shifts and controlled test windows.
- TRX segments
- Fusion · New technology development · Electrical power · Magnet systems · Heating & current drive
Six versions of the same job title
“Power electronics engineer” changes materially with load type. The same title can mean magnet supplies, RF high-voltage supplies, pulsed power, converter controls, protection or plant-level conversion architecture.
Magnet power supply engineer
Designs and commissions high-current converters that energise toroidal, poloidal, central-solenoid or experimental magnet systems. Precision current control, stored energy and fault protection dominate.
Pulsed power engineer
Owns systems that deliver very high power for short durations using capacitors, inductors, switching networks and pulse-forming architectures.
High-voltage power electronics engineer
Designs HV conversion for RF heating, gyrotrons, neutral beams, diagnostics or test systems where insulation coordination and arc/fault behaviour are critical.
Converter controls engineer
Owns current/voltage control, gating, modulation, digital control, FPGA/RT implementation and converter dynamic response.
Protection & energy extraction engineer
Designs crowbars, dump resistors, fast switches, overcurrent/overvoltage protection and energy extraction for magnets and high-energy circuits.
Power electronics integration & commissioning engineer
Takes converter systems through installation, cable/busbar integration, controls checkout, dummy-load test, energisation and machine commissioning.
What the week actually looks like
A composite day for a senior power electronics engineer supporting a fusion magnet power-supply system during integration and commissioning.
What fusion power electronics engineers are paid in 2026
Fusion power electronics crosses electrical engineering, controls and pulsed-power specialisms, so no official wage series isolates it. The ladders below are TRX market models anchored to current UK fusion electrical leadership and private-fusion high-power engineering compensation.
How power electronics engineering compares to adjacent roles
Exact-title live salary data is limited, so the ladder is explicitly a TRX market model using current fusion electrical leadership and adjacent high-power engineering benchmarks.
| Occupation | Median | P10 | P90 | What moves the number |
|---|---|---|---|---|
| Power electronics engineer — TRX US model | $157,000 established level | $105,000 model floor | $290,000 leadership ceiling | Voltage/current scale, pulsed load, protection, commissioning |
| UKAEA Electrical Design Group Leader | £71,815 stated salary | — | — | Electrical technical leadership, design governance and team ownership |
| Magnet power supply engineer — fusion adjacent | — | — | — | High current, precision regulation and stored energy |
| High-voltage RF power engineer — fusion adjacent | — | — | — | HV insulation, fast protection and RF-load integration |
| Fusion controls engineer — adjacent TRX market | — | — | — | Real-time control rather than converter hardware ownership |
Exact-title live salary data is limited, so the ladder is explicitly a TRX market model using current fusion electrical leadership and adjacent high-power engineering benchmarks.
High-current magnet supplies
Precision regulation at tens of kiloamps plus stored energy is a scarce combination.
High-voltage fast protection
Engineers who understand arcs, transient energy and sub-millisecond protection are difficult to replace.
Commissioning at full power
Engineers who have progressed hardware from dummy loads to real fusion-machine loads command more than design-only candidates.
Three routes in, and only one of them starts with a fusion power degree
Power electronics engineers usually enter from electrical engineering, pulsed-power research or industrial drives/converters. Fusion then adds unusual load dynamics, energy scale and machine-protection requirements.
Electrical / power electronics engineering
From converter hardware to system-level power architecture.
Pulsed power / research route
From laboratory high-energy hardware to principal pulsed-power engineer.
Drives / industrial power conversion
From industrial drives to senior commissioning lead.
Are you actually ready to compete for a power electronics engineer role?
A power electronics CV must quantify the hardware. State voltage, current, power, pulse length, switching device, topology, control bandwidth, cooling method, fault energy and what you personally commissioned. “Designed high-power converters” is weak evidence; recruiters want to know whether you owned the converter when it was energised and what happened when the first protection trip occurred.
Free resume scoring on avua. Your score is yours; it is not shared with employers.The strongest CVs quantify current, voltage, topology and fault-energy ownership and show full-power commissioning evidence.
Illustrative TRX shortlisting pattern only.
The credentials that actually gate the work
Fusion power electronics is competence-gated through high-energy electrical work, commissioning authority and employer technical governance rather than one universal external licence.
| Credential | Jurisdiction | Required for | Time | Notes |
|---|---|---|---|---|
| Electrical / electronic engineering degree | All | Most professional roles | 3–4 yrs | Power, controls and electronics routes are common. |
| CEng | UK | Senior technical-authority credibility | 4–7 yrs typical | Particularly useful for lead design responsibility. |
| PE | US | Selected formal electrical duties | Jurisdiction-specific | Not universal in private fusion R&D. |
| HV electrical authorisation | Site-specific | High-voltage test / operation | Role-specific | Local switching and safe-working rules apply. |
| LOTO / safe isolation | Site-specific | Installation and commissioning | Days–weeks | Core gate for hands-on work. |
| Arc-flash / electrical safety competence | US / site-specific | High-energy electrical systems | Role-specific | Facility and jurisdiction requirements vary. |
| BPSS | UK | UKAEA baseline access | Recruitment-stage | Common across UKAEA engineering roles. |
| Machine / power-system operating authorisation | Facility-specific | Energisation and commissioning | Role-specific | Delegated locally after training and assessment. |
High-power conversion work may involve lethal voltages, very high fault currents and large stored energy. Site electrical authorisations and commissioning competence matter more than a generic certificate.
What appears on a 2026 fusion power electronics shortlist
Employers are screening for real converter hardware under high current, high voltage and dynamic fusion-machine loads.
Named on the specification
- Converter topologies — rectifiers, inverters, choppers, DC/DC, multi-level or application-specific architectures
- Power semiconductor devices — thyristors, IGBTs, MOSFETs, SiC/GaN where appropriate
- Magnet / inductive loads — current regulation, stored energy, ramping and four-quadrant operation
- High-voltage design — insulation coordination, creepage/clearance, partial discharge and arc behaviour
- Protection — overcurrent, overvoltage, crowbars, dump circuits, fuses and fault-energy management
- Digital control — FPGA/DSP/MCU gating, modulation, current/voltage loops and deterministic timing
- Thermal design — semiconductor losses, liquid/air cooling and thermal interfaces
- Busbar / high-current design — inductance, force, current density, joints and magnetic effects
- EMC / harmonics — filtering, grounding, conducted/radiated emissions and grid interaction
- Commissioning & test — dummy-load tests, staged energisation, waveform capture and fault investigation
What decides between two shortlisted candidates
- Tens-of-kiloamp magnet supply experience — direct fusion relevance
- Pulsed-power systems — high peak power and repetitive pulse operation
- RF / gyrotron / neutral-beam HV supplies — specialised heating-system experience
- SiC high-power conversion — useful in next-generation compact converters
- Machine protection integration — converter behaviour tied to magnet and plasma safety
- Grid / pulsed-load interface — managing reactive power, flicker and peak demand
- Full-power FAT / SAT ownership — evidence beyond simulation
- Failure analysis at power — semiconductor, busbar, insulation and protection faults
The 2026 demand map
Power-electronics demand is strongest where fusion programmes are commissioning magnets, heating systems and large pulsed electrical networks rather than remaining at concept stage.
| Programme | Location | Phase in 2026 | Engineering demand |
|---|---|---|---|
| ITER poloidal-field power supplies | Saint-Paul-lez-Durance, France | High-voltage commissioning underway in 2026 | Very high for converter commissioning, transformers, protection and controls |
| ITER magnet cold-test facility | Cadarache, France | Power system validated to 68 kA in March 2026 | High for high-current supplies, protection and magnet test |
| ITER electron-cyclotron power supply | France | Main HV power supply in commissioning and integration with gyrotrons | High for HV DC conversion, protection and RF-system interfaces |
| ITER neutral-beam power supply | France | Buildings handed over; converter and HV equipment integration progressing | Very high for MV/HV power conversion and commissioning |
| STEP | UK | Plant electrical architecture, magnets and heating-system development | High for pulsed-power and high-current conversion |
| SPARC — Commonwealth Fusion Systems | Devens, Massachusetts, US | Machine assembly, electrical integration and commissioning preparation | High for magnet power supplies, converter controls and protection |
| Helion Polaris / Orion | Washington, US | Pulsed fusion-machine operation and next-machine development | Very high for pulsed power, capacitor/energy systems and switching |
| Tokamak / private fusion supply chain | UK / US / Europe | Rapid supplier investment and scale-up in 2026 | Growing demand for converter, HV and power-quality specialists |
Programme phases move. Confirm current status before making a relocation decision.
Power electronics is moving from subsystem design into machine commissioning
ITER’s 2026 energisation and test milestones show the transition clearly: power supplies are no longer drawings or factory-tested cabinets; they are being connected to transformers, magnets and heating systems and operated under real protection logic. Private fusion programmes are making the same transition on faster cycles. Commissioning experience therefore carries increasing value.
High power plus precision control
Plenty of engineers know industrial drives or utility power, and plenty know low-power electronics. Fusion needs the overlap: megawatt-class conversion, tens of kiloamps or high voltage, fast control and low tolerance for a damaging fault. That combination is the hiring bottleneck.
Adjacent and onward roles
Fusion power electronics connects into magnet systems, electrical architecture, machine protection, controls and heating/current-drive engineering.
Questions we get asked every week
How much does a fusion power electronics engineer earn in 2026?
There is no dedicated national salary series specifically for power electronics engineer fusion roles. TRX models established US fusion power electronics engineers at roughly $135,000–$180,000, senior engineers at $165,000–$215,000, and principal/lead roles at $195,000–$245,000. In the UK, current electrical leadership at UKAEA reaches £71,815 for Electrical Design Group Leader, with TRX modelling experienced specialist fusion power-electronics roles at roughly £48,000–£95,000 depending on seniority and system authority. These figures reflect the competitive compensation packages typical in the energy industry for engineers involved in high quality design release and complex power electronics based systems.
Do you need fusion experience to become a power electronics engineer in fusion?
No. Industrial drives, traction, HVDC, renewables, pulsed power, accelerators, defence, and high-power test systems all transfer well into fusion power electronics engineer fusion roles. The strongest candidates then learn the load-specific issues unique to fusion: superconducting magnet energy, fast protection, pulse sequences, RF/heating interfaces, and machine-wide commissioning. This cross functional collaboration and the ability to solve tough problems involving electrical components and magnetic components are critical. Mechanical integration and test methods also play a significant role in ensuring system reliability.
What is the difference between a power electronics engineer and an electrical systems engineer?
A power electronics engineer owns conversion: switching devices, converter topology, regulation, DC links, harmonics, and high-speed protection. An electrical systems engineer has a broader boundary that can include distribution, substations, switchgear, earthing, cables, transformers, and plant-wide electrical architecture. On smaller fusion programmes, one engineer may cover both. Power electronics based systems require detailed knowledge of advanced controls and energy recovery techniques, which are typically the focus of power electronics engineers.
Why are magnet power supplies difficult in fusion?
Fusion magnets combine very high current, large stored energy, and precise dynamic control. ITER’s magnet cold-test power system has been validated to deliver up to 68 kA, while actual machine power systems must also coordinate ramping, protection, and energy extraction. The converter therefore has to regulate accurately and fail safely without damaging expensive superconducting hardware. This requires expertise in pressure systems, independent systems, and integration with cross function stakeholders to ensure a high quality design release.
Where is demand strongest in 2026?
ITER is one of the clearest demand centres because poloidal-field power supplies, electron-cyclotron high-voltage supplies, and magnet test power systems are all in commissioning-heavy phases. STEP, SPARC, and private pulsed-fusion developers add demand for high-current converters, pulsed power, and protection. The broader fusion supply chain is also expanding, with supplier spending and investment increasing materially in 2026. These roles often require excellent verbal communication skills and the ability to develop technical requirements while working with cross functional teams.
Which power electronics skill is most valuable in fusion?
Full-power commissioning is the strongest differentiator. Engineers who can design a converter are valuable; engineers who have safely energised one into a real inductive or high-voltage load, diagnosed protection trips, and proved performance under operating conditions are much harder to find. High-current magnet supplies and fast fault-energy protection sit close behind. Familiarity with analysis tools, engineering reports, and conducting design reviews are essential to ensure reliability and compliance with industrial hazards and safety standards.
We only recruit in nuclear. That is the whole point.
TRX can assess whether your background fits magnet power supplies, pulsed power, HV conversion, converter controls, protection or full-power commissioning. If you come from traction, renewables, industrial drives, accelerators, HVDC, defence or high-power test systems, we can also identify where that experience transfers directly into fusion and where machine-specific energy and commissioning evidence becomes the gap.