Function: Product Design & Development
Contact: James Tilley
Email: james.tilley@jonlee.co.uk
Job details
Senior Performance & Emissions Calibration Engineer
South Derbyshire
Competitive Senior-Level Salary + Excellent Benefits Package, including 10% Employer Pension Contribution, Private Healthcare and much more
As a Senior P&E Calibration Engineer, you will play a key role in developing, validating, and releasing calibration strategies for internal combustion engines and aftertreatment systems. Working alongside experienced Principal Engineers, you'll take ownership of calibration activities that directly influence engine performance, emissions compliance, and product quality. This is an excellent opportunity to work on cutting-edge off-highway powertrain technology within a collaborative engineering environment, contributing to products used around the world.
Key Responsibilities
- Develop and execute calibration test plans to meet project objectives, quality standards, and delivery timings.
- Carry out calibration development and validation activities on engine dynos and machine platforms, including climatic testing.
- Develop and optimise emissions-critical systems, including: Combustion systems (spark and compression ignition), Fuel injection equipment, Air handling systems (turbocharger and EGR) & Aftertreatment technologies (NOx reduction, DPF/PN filtration)
- Deliver robust calibration datasets covering: Base engine performance and emissions, Aftertreatment performance and control (deNOx, DPF) & Engine and aftertreatment diagnostics.
- Work closely with Principal Engineers to ensure calibration strategies meet current and future legislative requirements.
- Analyse test data, troubleshoot technical issues, and implement effective calibration solutions.
- Document technical findings and confidently present progress to project stakeholders.
- Support the successful delivery of work packages through the NPIP (New Product Introduction Process).
- Collaborate with cross-functional engineering teams to deliver innovative and reliable engine calibration solutions.
Experience & Skills
- Hands-on engine calibration, engine testing, or dyno development experience.
- Strong understanding of internal combustion engine fundamentals, emissions formation, and aftertreatment systems.
- Experience using calibration tools, engine management systems, and data analysis software.
- Practical experience planning and running engine tests, analysing results, and resolving technical issues.
- A proactive approach to problem solving with strong analytical skills.
- Excellent communication skills and the ability to work effectively within a multidisciplinary engineering team.
Desirable (Not Essential)
- Experience with Tier I supplier engine management systems or model-based control strategies.
- Exposure to engine or aftertreatment hardware development.
- Knowledge of off-highway emissions legislation.
- Experience working within a structured product development or NPI environment.
Interested?:
Don't miss out on this incredible opportunity to advance your career as a Senior P&E Calibration Engineer. Apply today to be part of a forward-thinking company that's driving innovation in the industry!
Please note sponsorship is not available with this role.

Your CV will be forwarded to Jonathan Lee Recruitment, a leading engineering and manufacturing recruitment consultancy established in 1978. The services advertised by Jonathan Lee Recruitment are those of an Employment Agency.
In order for your CV to be processed effectively, please ensure your name, email address, phone number and location (post code OR town OR county, as a minimum) are included.
7104975
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James Tilley
Associate Director – Energy