Mechanical Commissioning Technician

Matthey; Cambridgeshire and Peterborough, Milton; On-site; GBP 41,000 - 50,000; Full time

Benefits offered by this job

Retirement savings

Share Incentive Plan

Life Assurance

Health plans/Wellbeing

Job summary

Johnson Matthey Royston is seeking a Mechanical Commissioning Technician to join the 3CR project. You’ll commission and maintain high-integrity equipment across a COMAH site, contributing to a proactive EHS culture and peak plant performance.

Reporting to the Maintenance Lead, you’ll work a 12.5-hour day shift with weekends on rotation, and you may assist with stocktaking periods. Join JM to help accelerate sustainable production and net-zero goals.

Qualifications

• Must have completed a recognised Mechanical or Electrical Engineering qualification (e.g., BTEC ONC/HNC, C&G Parts 1 & 2, NVQ Level 3).
• Completed City & Guilds Electrical Installation Parts One and Two (BS7671).
• Experience in a large-scale manufacturing/chemical maintenance role desirable.
• Profibus networking experience is advantageous.

Responsibilities

• Provide skilled execution of Planned, Reactive & Corrective maintenance on mechanical and electrical systems.
• Diagnose faults and prioritise work to support daily operations for customers and stakeholders.
• Undertake occasional plant modifications to enhance safety and efficiency.
• Conduct inspections, testing, adjustments and monitoring to sustain equipment reliability.

Skills

Mechanical qualification

Electrical qualification

City & Guilds Wiring

Profibus experience

Maintenance experience

Education

BTEC ONC/HNC

C&G Qualifications Parts 1 & 2

NVQ Level 3 or equivalent

City & Guilds Electrical Installation Parts 1 & 2

Job description

Job title: Mechanical Commissioning Technician Location: Royston

Step into a once-in-a-lifetime opportunity to help shape the future of advanced manufacturing as a Mechanical Commissioning Technician on the landmark 3CR (3rd Century Refinery) project—a flagship initiative at Johnson Matthey’s Royston site.

Working within the Operational readiness team and reporting to the Maintenance Lead, you’ll play a pivotal hands‑on role in the commissioning of primary and auxiliary production equipment and utility support systems. Your work will directly sustain operations and ensure the long‑term reliability of 3CR’s cutting‑edge assets.

This is not just another maintenance role; it’s your chance to be part of a transformative journey. You’ll be at the heart of commissioning and maintaining high-integrity systems on an upper-tier COMAH site, where your skills in mechanical and electrical engineering will support a proactive EHS culture focused on zero harm. From reactive and preventative maintenance to fault diagnosis and plant modifications, your expertise will help bring the 3CR facility to life and keep it running at peak performance.

If you’re ready to make your mark on a project that will define the future of sustainable production, this is your moment.

World‑changing careers, enabled by Johnson Matthey. With more than 200 years history, join us and help to accelerate the transition to net‑zero! As a Mechanical Commissioning Technician , you’ll contribute to JM’s mission as a world leader in sustainable technology, transforming energy and reducing carbon emissions for a cleaner, brighter future.

The role:

• Provide a skilled execution of Planned, Reactive & Corrective Mechanical and Electrical maintenance activities to ensure the ongoing reliability of equipment across the plant.


• Deliver effective problem solving and Mechanical/Electrical fault diagnosis skills, adhering to identified work priorities to ensure that customers and stakeholders are supported in their daily operational needs.


• Undertake occasional plant modification work to help enhance plant safety and improve efficiency.


• Conduct Inspections, testing, adjustments, and monitoring tasks as required to maintain efficient plant and build‑in equipment reliability.

Key skills that will help you succeed in this role:

• Must have completed a recognised Mechanical or Electrical Engineering qualification. BTEC ONC/HNC, C&G Qualifications Parts 1 & 2, NVQ Level 3 or equivalent. - Essential


• Completed a City & Guilds Electrical Installation Parts One and Two or equivalent. City & Guilds IEE Wiring Regulations 18th edition (BS7671) - Essential


• Experience in a large‑scale manufacturing / chemical industry within a maintenance function - Desirable


• Experience of working with Profibus networking would be an advantage - Desirable

Base Salary £44,261 plus £792.50 meal allowance and 35% shift allowance.

You will be required to work a 12.5 hour day shift pattern which includes weekends on a rotation of 5 days on followed by 4 days off in rotation. You may be asked to work outside of normal working hours during particularly busy periods such as the annual Stocktake period in April/May, which also requires adherence to a holiday restriction whilst the Stocktake is being undertaken.

What we offer:

• Competitive Retirement savings


• Company-matched Share Incentive Plan


• Life Assurance, Income Protection and Critical Illness


• Medical Plans/Health Assessments


• Retailer and Wellbeing Discounts


• Competitive Annual Incentive Plan

Ready to make a meaningful impact on your career and the environment? Join us and help shape a sustainable future while advancing your career!

At JM, inclusivity is central to our values. We create an environment where everyone can thrive, embracing diverse perspectives to tackle challenges and ensure all colleagues feel valued and connected.

For any queries or accessibility requirements, please contact [e-mail]. We will work with you to make suitable adjustments at any stage of the recruitment process. All conversations are confidential, and your feedback is welcome to help us provide an accessible and positive recruitment experience.

Closing date for applications: This job advertisement will be posted for a minimum of 2 weeks, early application is advised.

Johnson Matthey Plc is an equal opportunities employer and positively encourages applications from suitably qualified and eligible candidates regardless of sex, race, disability, age, sexual orientation, marriage or civil partnership, pregnancy or maternity, religion or belief.