Lead IREF Design Engineer

What You Will Do
As Lead IREF Design Engineer you will play a pivotal role within our Industrial Refrigeration (IREF) business leading technical sales support activities across complex projects. You will partner closely with Sales Engineering and Delivery teams to develop robust technical solutions produce competitive proposals and support customers from initial enquiry through to handover. This is a hybrid role with a mix of home working and office presence (Manchester or Leeds) with occasional travel as required.

What We Offer
Competitive salary
25 days holiday plus bank holidays
Pension
Life insurance
Employee Assistance Programme
Employee referral scheme
Employee discounts
Cycle to Work scheme
Discounts on Johnson Controls products
Ongoing training and career development
Supportive collaborative and safety-driven culture

How You Will Do It
Lead technical bid support for industrial refrigeration projects ensuring high-quality compliant proposals
Develop system concepts layouts and calculations aligned to customer requirements and industry standards
Prepare costings estimates and technical submissions to support sales strategy
Collaborate with Sales Project Engineers and clients to define scope and optimise solutions
Review specifications drawings and tender documents to identify risks and opportunities
Support value engineering and solution optimisation to improve competitiveness
Act as a technical mentor within the sales support team driving best practice and consistency
Engage with suppliers and subcontractors for pricing and technical input
Ensure adherence to company procedures quality standards and HSE requirements

What We Are Looking For

Required
Strong experience in industrial refrigeration and HVAC engineering
Proven background in IREF design
Solid understanding of system design components and industry standards
Experience producing technical proposals and cost estimates
Excellent stakeholder engagement and communication skills
Proactive solutions-focused approach with strong attention to detail

Beneficial
Experience leading or mentoring teams
Design Knowledge of ammonia and CO₂ refrigeration systems
Familiarity with AutoCAD/Revit or similar design tools
Degree or equivalent in Mechanical Engineering or related discipline

About Us

Johnson Controls a global leader in thermal management mission-critical building systems energy efficiency and decarbonization helps customers use energy more productively reduce carbon emissions and operate with the precision and resilience required in rapidly expanding industries such as data centers healthcare pharmaceuticals advanced manufacturing and higher education.

For more than 140 years Johnson Controls has delivered performance where it really matters. Backed by advanced technology lifecycle services and an industry-leading field organization we elevate customer performance turn goals into real-world results and help move society forward.