Electronic Engineer
| Dyddiad hysbysebu: | 03 Mawrth 2026 |
|---|---|
| Oriau: | Llawn Amser |
| Dyddiad cau: | 02 Ebrill 2026 |
| Lleoliad: | Oxfordshire, OX29 4BP |
| Gweithio o bell: | Ar y safle yn unig |
| Cwmni: | Rullion |
| Math o swydd: | Cytundeb |
| Cyfeirnod swydd: | TR/355151_1772530490 |
Crynodeb
Rullion are looking to recruit for the following role:
Electronics Engineer
Start : 1st May 2026
12 month contract
Location : Oxford
Inside IR35
PAYE £46 Per hour /£59 Per hour Umbrella.
7.5 hours per day 37.5 hours per week
Power Supply & Power Electronics Design
- Design and develop high-current, high-stability power supplies for superconducting magnets and related systems
- Design linear and switch-mode power converters (DC/DC, AC/DC, current-regulated supplies)
- Develop precision current regulation and control loops with excellent stability and low ripple
- Perform detailed control-loop analysis (Bode plots, phase margin, transient response)
- Design protection circuits (over-current, over-voltage, ground fault, quench-related protection)
- Select power semiconductors (IGBTs, MOSFETs, diodes), magnetics, and passive components
Magnet System Support
- Support powering, ramping, and steady-state operation of superconducting magnets
- Understand magnet load characteristics, inductive energy storage, and fault conditions
- Interface with quench detection and protection systems
- Contribute to safe operating procedures and interlock systems
- Support commissioning and troubleshooting of magnet power systems
Control & Digital Electronics
- Design control electronics for power converters (analogue and digital)
- Implement digital control using microcontrollers, DSPs, or FPGAs where appropriate
- Develop interfaces for monitoring, diagnostics, and remote control
- Support firmware integration and debugging in collaboration with embedded software engineers
PCB Design & Hardware Integration
- Design schematics and oversee PCB layout for power and control electronics, preferably with Mentor Graphics experience.
- Apply best practices for high-current routing, creepage/clearance, grounding, and isolation
- Address EMC/EMI challenges associated with high-power switching systems
- Work closely with mechanical and thermal engineers to ensure effective cooling and packaging
Prototyping, Testing & Commissioning
- Build, test, and debug power electronics prototypes
- Develop and execute test plans including load testing, thermal testing, and fault testing
- Use laboratory and high-power test equipment (power analysers, oscilloscopes, current probes, HV test equipment)
- Support system commissioning and on-site troubleshooting as required
Documentation & Compliance
- Produce detailed design documentation, test reports, and operating manuals
- Support compliance with relevant standards (e.g., electrical safety, EMC)
- Generate BOMs and support component obsolescence management
- Contribute to manufacturing documentation, DFM/DFT, and supplier technical engagement
- Experience of IEC60601 for Medical Electronics
Required Qualifications
- Bachelor's or Master's degree in Power Electronics, Electrical Engineering, or related field
- Strong experience in power supply and power converter design
- Proven understanding of:
- Current-regulated power supplies
- Control loop design and stability analysis
- High-current and high-energy systems
- Electrical safety and fault protection
Desirable Skills & Experience
- Direct experience with superconducting magnets or accelerator/physics power systems
- Experience with quench protection or magnet safety systems
- Experience with precision, low-noise power supplies
- Familiarity with cryogenic environments and their electrical implications
- FPGA, DSP, or digital power control experience
- Embedded C/C++ or control firmware experience
- Experience in research, scientific, medical, or large-scale industrial facilities
Key Competencies
- Strong analytical and systems-level thinking
- Safety-focused design mindset
- Ability to work with complex, high-energy systems
- Methodical fault-finding and root cause analysis skills
- Clear technical communication and documentation skills
- Effective collaboration with multidisciplinary teams
Working Environment
- Hands-on engineering role involving high-power laboratory systems
- Close collaboration with physicists, systems engineers, and safety specialists
- Involvement across the full system lifecycle, including commissioning and operational support
If available please submit CV and a member of the team will be in touch.
Rullion celebrates and supports diversity and is committed to ensuring equal opportunities for both employees and applicants.