Confirmed on the employer's own hiring board on Oct 20, 2026. First seen by Alion on Oct 19, 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.
The Opportunity
As part of a small but growing team, we are seeking a skilled and motivated Mechanical Systems Engineer (Measurement Systems)
to carry out solutions design and integration activities of Mirion’s nuclear measurement systems. This will involve working with designated teams to ensure all mechanical aspects of a specific system are completed to specification, customer satisfaction, timescale and cost constraints.
You will be involved in engineering projects of differing size and complexity, predominantly defining and validating solutions activities (often working with specialist sub-contractors), including contributing to successful build – including ‘hands on’ test and commissioning of the equipment.
The position will be based in Warrington with some travel across the UK to various customer sites during commissioning/acceptance.
Applicants must be able to pass HMG Baseline Personnel Security Standard (BPSS) check, with the potential for undergoing security vetting at a national level.
Key Responsibilities
Responsible for the Mechanical element of bespoke systems project work and to assist the Technical Lead in the successful completion of projects
Sustaining and development of (more repetitive built) largely standard systems
Ensuring compliance to the relevant standards for the team to achieve excellence in a regulated industry
Guiding and mentoring junior team members where necessary
Applying the principles of best engineering practice at all times
Able to support FMEA, fault tree analysis, SIL substantiation, AR&M assessments, Mechanical element of Machinery Directive and Hazop delivery
Liaising with other Divisional stakeholders to ensure compliance with all customer requirements
Contribute technical input to tender documentation including concept design and costing
Active involvement in identifying and participating in business improvements
Ability to spend short periods of time at other Divisional sites, customer sites and supplier sites
Skills & Experience
Degree educated or equivalent time served in a relevant engineering discipline
Previous experience as a Mechanised Projects Engineer, where inter-disciplinary interfacing is key
Ideally a good appreciation of corresponding Electrical Systems
Solutions around materials handling, detector positioning and equipment housing are typical
Experience with compliance with the Machinery Directive EN12100
An excellent working knowledge of relevant general national and international codes, specifications and standards
Excellent computing skills, particularly in the use of Microsoft Office Applications and ideally 3D modelling / AutoCAD products
Proactive and technically capable
Strong initiative, motivation and a commitment to delivering high quality work under pressure
Excellent interpersonal, organisation and communication skills
High level of communication proficiency in spoken and written English
What we can offer
Our employees make the difference, that’s why we can offer the following:-
A competitive salary and benefits package
The opportunity to develop within an international group working on high profile projects
Ongoing professional development opportunities and training
A collaborative and supportive work environment

