Axiom builds the digital and electrical infrastructure powering the AI era. We design, build and deploy integrated power, thermal and compute solutions that help data centers, utilities and innovators scale faster, operate more efficiently and meet growing demand.
Built on decades of manufacturing expertise, global operations and a proven ability to deliver complex systems at scale, Axiom combines innovation with real-world execution. We're helping close the gap between what the future demands and what the world can deliver.
At Axiom, you'll take on meaningful challenges, be trusted with real responsibility, and work alongside people who value candor, collaboration, and continuous learning.
Job Summary
To support our extraordinary teams who build great products and contribute to our growth, we’re looking to add a R&D Engineer located in Castle Mills, UK.
Reporting to the UK R&D Manager, the R&D Engineer will support the development of new products, improvement of existing solutions, and testing of product concepts. This role is designed to provide hands-on experience across product development, testing, and engineering processes, while building core technical and professional skills.
What a typical day looks like:
- Support the development and optimisation of Critical Power Products for the data centre market, focusing on reliability, efficiency, and scalability
- Assist with market research and benchmarking of similar products.
- Learn & apply fundamental engineering principles to contribute to practical and cost-effective solutions
- Support the design and development of new products from concept through to prototype
- Assist in sustaining, redesign and testing of existing products to improve performance and manufacturability
- Work closely with engineering and manufacturing teams to understand design feasibility and performance requirements
- Support product testing activities, including functional, environmental, and compliance testing (IEC and UL)
- Assist with tracking project progress, milestones, and deliverables
- Support lab activities and work alongside internal and external test engineers
- Analyse test results with guidance and support design improvements
- Support investigations and root cause analysis activities
- Prepare clear technical documentation and reports
- Assist with New Product Introduction (NPI) activities and transition to manufacturing
The experience we’re looking to add to our team:
- HND / HNC / Bachelor’s degree (or working towards) in Mechanical, Electrical, or related Engineering field
- Internship, placement, or project experience in engineering or product business (preferred, not essential)
- Basic knowledge of CAD tools (e.g., Inventor, SolidWorks, Creo)
- Awareness of engineering standards (IEC/UL) is beneficial but not required
- Interest in electrical systems, power distribution, or data centre infrastructure
- Strong analytical thinking and willingness to learn
- Good communication and teamwork skills
- Ability to manage time, prioritise tasks, and work in a structured environment
- Comfortable engaging with different levels of the organisation with support and guidance
- Willingness to travel between sites if required
- Eligible to work in the UK
What you’ll receive for the great work you provide:
- An environment where you will feel fulfilled by your work, valued for your contribution, and celebrated for your success;
- A competitive salary and benefits package
- A merit-based annual pay review
- Enhanced annual leave
- Employee recognition scheme and long service awards
- Referral bonus
- Volunteer days
- Group Life Insurance, including a death in service payment and access to a virtual GP service 24/7 365 days a year
- Sick pay scheme
- Cycle to Work scheme
- Enhanced maternity/paternity leave
- Flexible/Remote/Hybrid Work based on your Job Function
- Travel opportunities (role dependent)
- Support in your well-being by access to
- Employee Assistance Programme offering free access to qualified counsellors and expert advice
- On-site trained Mental Health First Aiders
- Access to various discount programs (including food, activities, gym memberships etc.)
TH10
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Job Category
Design, Process & Technology Engineering




Axiom is an Equal Opportunity Employer and employment selection decisions are based on merit, qualifications, and abilities. We do not discriminate based on: age, race, religion, color, sex, national origin, marital status, sexual orientation, gender identity, veteran status, disability, pregnancy status, or any other status protected by law. We're happy to provide reasonable accommodations to those with a disability for assistance in the application process. Please email accessibility@flex.com and we'll discuss your specific situation and next steps (NOTE: this email does not accept or consider resumes or applications. This is only for disability assistance. To be considered for a position at Axiom, you must complete the application process first).
