Field Service Engineer
Confirmed on the employer's own hiring board on Oct 27, 2026. First seen by Alion on Oct 26, 2026. Mirion scores A on the Alion truth index.
Mirion Technologies is a global leader in radiation detection, measurement, and protection. With over 50 years of experience and nearly 3,000 employees worldwide, we serve critical sectors including energy, healthcare, defence, and research.
We combine deep technical expertise with a strong customer focus to deliver reliable, high-performance solutions. Our mission is to protect people and the environment through innovative technologies and trusted service.
At Mirion, we foster a culture of integrity, collaboration, and continuous improvement empowering our teams to make a meaningful impact every day.
You’ll join Mirion Technologies, a global specialist in radiation detection, measurement and protection, supporting critical sectors including nuclear energy, healthcare, defence and research
The Opportunity
We are looking for a Field Service Engineer to join our team based in Harwell, reporting to the Site/Technical Team Lead within the EMEA/APAC Division.
This is a hands-on, customer-facing opportunity supporting Mirion’s range of Radiological Protection Instruments, Non-Destructive Assay systems and Gamma Spectroscopy equipment.
You’ll be involved in the installation, commissioning, calibration, routine testing, fault diagnosis and repair of equipment across customer sites, as well as providing remote technical support where required. Working with a range of nuclear measurement systems, you’ll use your technical expertise and problem-solving skills to identify faults, deliver effective solutions and ensure equipment is maintained to the required standards of quality, safety and performance.
Working both independently and alongside colleagues across our UK and international service teams, this role would suit someone who enjoys being hands-on, solving technical challenges and delivering a high standard of service to customers
Key Responsibilities
Installing, commissioning, calibrating, testing and repairing nuclear measurement systems
Providing on-site and remote technical support to customers across the UK, with occasional international travel
Troubleshooting systems, diagnosing faults and delivering effective technical solutions
Completing routine testing and calibration in line with relevant technical procedures and standards
Maintaining accurate technical and service documentation in accordance with QHSE requirements
Working closely with UK and international service teams
Representing Mirion professionally when working with customers
Skills & Experience
A recognised engineering apprenticeship and a minimum ONC in Electronics or Electrical Engineering is desirable, or equivalent relevant experience or qualification
Experience working with radiation, radiation measurement instrumentation or gamma spectroscopy would be advantageous, but isn’t essential as training will be provided
Strong technical problem-solving and fault-finding skills
A practical, methodical approach and the ability to work independently and use your initiative
Excellent interpersonal, organisational and communication skills
A high level of written and spoken English
Experience on nuclear licensed sites such as AWE, Sellafield, EDF, NRS or Dounreay would also be beneficial.
The ability to meet the UK security clearance requirements applicable to the role
What we can offer
Our employees make the difference, that’s why we can offer the following:-
Competitive salary and benefits
Ongoing technical training and professional development
The opportunity to work with specialist technology on high-profile projects
Career development within an international organisation
A collaborative and supportive working environment