Lead Electrical Engineer - Uninterruptible Power Supply Systems

Rolls‑Royce SMR is seeking an experienced engineering lead to design and deliver Battery and UPS systems for a Small Modular Reactor nuclear power plant. The role encompasses full lifecycle design, compliance with international standards, verification, and leadership of technical and procurement activities.

Key Responsibilities

• Work with process and mechanical engineers to translate high‑level requirements into Battery and UPS system specifications.
• Liaise across engineering disciplines to integrate functional performance and systems effectively.
• Provide electrical technical leadership for Battery/UPS systems in support of the team manager.
• Assess and confirm that designs and specifications meet all applicable requirements.
• Ensure compliance with key industry standards including IEC63046, IEC61225 and SSG‑34.
• Produce verification and validation plans; define test plans to demonstrate system requirement satisfaction.
• Support the planning and implementation of lifecycle policies and procedures for battery and UPS systems.
• Ensure optimal solutions for procurement, operation and maintenance of battery and UPS equipment.
• Contribute to safety case development and engage with regulators and nuclear safety assessors.
• Act as a responsible designer or intelligent customer as required.
• Deliver agreed programme work and manage suppliers or contract partners where needed.
• Coach, mentor and provide technical guidance to less experienced engineers.

Essential Qualifications

• Experience across the lifecycle of battery or UPS systems in a highly regulated industry; nuclear experience desirable but not essential.
• Deep knowledge and significant experience in battery and UPS system design, specification, assessment, verification, testing, installation, commissioning and maintenance.
• Expertise in one or more relevant sub‑disciplines: battery systems, UPS systems, protection systems, earthing systems and electrical distribution systems.
• Good understanding of designing systems to be functionally resilient to faults (redundancy, diversity, etc.).
• Knowledge and experience in applying relevant standards such as IEC63046 and IEC61225, and understanding of regulatory frameworks.
• Experience applying systems engineering methodologies, including MBSE, to electrical systems.
• Strong communication skills, with the ability to interpret and present complex technical information clearly to regulators.
• Ability to act as an intelligent customer and provide technical oversight of supply‑chain partners.
• Degree‑qualified in electrical engineering, electronics or a related discipline, or equivalent experience.

Key Skills

• Systems‑engineering mindset and structured approach.
• Project and supplier management.
• Safety‑case and regulatory engagement.
• Mentoring and leadership.

Location & Working Arrangements

Hybrid working with a primary site located in Derby, Manchester or Warrington.

Compensation & Benefits

• Salary: £63,600–£83,500 depending on skills and experience.
• Performance‑related bonus target of 12.5%.
• Benefits allowance: £2,200 per annum.
• Pension: 12% employer contribution and 6% employee contribution.
• Holiday entitlement: 28 days plus public holidays, with option to buy or sell up to 4 days.
• Private Medical Insurance: BUPA single cover.
• Life Assurance: 6×pensionable pay.
• Home Office Support: £250 one‑off payment for new starters.

EEO Statement

We are an equal‑opportunity employer and welcome applicants from all backgrounds. As a Disability Confident organisation, we are committed to fair, supportive, and continually improving recruitment practices that ensure everyone can thrive.