HV Systems Engineer

RLE International; Warwick; On-site; GBP 40,000 - 60,000; Full time

Job summary

RLE International in Warwick is seeking a hands-on engineer to develop and prototype High Voltage (HV) systems. The role covers designing, validating, and testing HV systems, requiring strong technical aptitude and communication skills.

The ideal candidate holds a relevant engineering degree and has experience in Lithium-Ion battery development. A full UK driving licence is required for client site visits. This position offers the chance to work in a dynamic environment that embraces innovation.

Qualifications

• Strong hands-on approach and can-do attitude.
• Ability to quickly learn new skills and engineering concepts.
• Excellent verbal and written communication skills.

Responsibilities

• Develop HV system architectures and components.
• Hands-on development of HV batteries and power distribution units.
• Communicate with suppliers and customers on technical issues.

Skills

Engineering understanding

Lithium-Ion battery development

HV system safety concepts

Programming (C, Matlab/Simulink, Python)

Education

Bachelor's or Master's degree in Electrical, Electronic, Automotive, or Mechanical Engineering

Job description

Overview

We are looking for a hands‑on team member, who will embrace the company's “can‑do” culture and professional business environment, and who can work directly with our customers and suppliers to develop and prototype manufacture High Voltage (HV) systems. This role will cover all aspects of HV system design, including electrical, mechanical, thermal and controls systems, and range from requirements management through design to final validation and testing. The candidate must be adaptable, self‑motivated and technically capable.

Responsibilities

• Development of HV system architectures
• Component selection including contactors, fuses, current sensors, busbars
• Hands‑on development of HV batteries, power distribution units and their subcomponents
• Prototype manufacturing and rework
• Requirements decomposition and management
• Guide simulation team on analysis required and evaluate simulation outputs
• Supplier and customer communication on technical issues and project management
• Component and system level testing – Build test rigs, performing tests and analyzing test results
• Maintaining compliance with HV electrical functional safety

Personal attributes

• Strong hands‑on approach
• Can‑do attitude
• Ability to learn fast and to quickly pick up new skills and engineering concepts
• Able to operate autonomously and as part of a team
• Ability to operate and communicate in an international, multi‑cultural environment
• Excellent verbal and written communication skills

Skills required

• Sound engineering understanding and capability to apply basic scientific principles to real‑world applications
• Experience of Lithium‑Ion battery development and/or testing
• Familiarity with HV system safety concepts, including HVIL, MSDs, HV isolation, fusing
• Demonstratable knowledge of programming languages like: C, Matlab/Simulink, Python.

Desirable

• Experience in automotive Powertrain / High Voltage system engineering
• Experience working with or within prototype workshop environments
• Experience of electric circuit & PCB design
• Knowledge of BMS systems and their associated parameters (eg SoC, SoH, Current limits, etc)
• Exposure to requirements creation, DFMEA, DVP generation

Education required

• Bachelor's or Master's degree in a relevant engineering discipline – Electrical, Electronic, Automotive or Mechanical (or equivalent professional accreditation).

Additional Information

Full UK driving licence, as customer site visits may be required.

Eligibility

Sponsorship is not offered for this role, and you must have the right to work in the UK.