Specialist Technician

  • Johnson Controls, Inc.
  • Waterlooville, Hampshire
  • Jan 29, 2026
Full time Trades & Services

Job Description

Specialised Chiller Technician Primary site location - Portsmouth Field based duties can take you to Plymouth / Cumbria / Aberdeen / EU and beyond!

At JCI Global Marine & Navy, we supply air conditioning and refrigeration equipment to the Royal Navy, international navies, commercial marine vessels, and offshore industries. We are committed to delivering exceptional through life support for all equipment we provide, and the Specialised Technician role is essential to maintaining that standard.

Role Overview

As a Specialised Technician, you will support our chilled water plants, refrigeration systems, and HVAC solutions across a wide range of marine environments. The role requires versatility, adaptability to new technologies, and a proactive approach. You will work onshore on large scale chillers-up to 10,000 kW-within plant rooms on Navy and commercial marine vessels.

What We Offer
  • Competitive salary and company car
  • 25 days paid holidays + all BH and sick pay
  • Get paid door to door (travel time is paid)
  • Overtime payments
  • Comprehensive benefits package including 7% matched pension, life assurance, employee assistance programme, referral scheme, high street discounts, cycle to work scheme, and discounts on Johnson Controls security products
  • Extensive product training and cross training opportunities
  • Supportive and collaborative team culture
  • Clear career development pathways, including Customer Service routes
  • Strong commitment to safety through our Zero Harm policy
  • Access to business resource groups and training on company values
  • IT equipment and tools provided to complete all work effectively
What You Will Do
  • Commission and test equipment, including HAT/SAT/CST trials
  • Carry out routine maintenance, fault diagnosis, repairs, and retrofits
  • Support factory acceptance trials at our Basildon facility when required
  • Provide technical support, guidance, and training to project teams and clients
  • Maintain accurate work records and report emergent issues
  • Ensure safe working practices and deliver excellent customer service
What We're Looking For
  • Strong mechanical and electrical skills, especially in fault finding
  • Ability to work independently, manage workload, and multitask effectively
  • Excellent communication skills and a customer focused mindset
  • Experience in Navy/Marine environments is beneficial but not essential
  • Knowledge of PLC/microprocessor based systems, HVAC systems, and air balancing
  • Flexibility to travel to UK and international ports as required
  • Willingness to work occasional weekends
  • Eligibility for UK BPSS and SC security clearances
Preferred Qualifications
  • Apprenticeship in refrigeration or HVAC
  • City & Guilds, NVQ, or BTEC in refrigeration/HVAC
  • F Gas (C&G 2079)
  • Electrical qualifications (desirable but not essential)
Why Join Us?

You'll join a dynamic team working on innovative marine and naval engineering projects. This is a chance to broaden your skills, work with advanced systems, and contribute to a vital and evolving industry.