Careers
Work on the systems that matter
Available Positions
Chiller Engineer
As a Chiller Service Engineer, you will work alongside the wider engineering team on a variety of HVAC/R projects and contracts, contributing to the efficiency and reliability of our customers’ equipment.
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Air Conditioning Engineer
As an Air Conditioning Engineer, you will work alongside the wider engineering team on a variety of HVAC projects and contracts, contributing to the efficiency and reliability of our customers’ equipment. the efficiency and reliability of our customers’ equipment.
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Our Vacancies change :
So make sure to check back regularly
Why work for us?
Flexible Working
Freedom to be present for those important family moments.
Client List
UK landmarks, Iconic buildings. premier sports and hospitality venues.
Independence
Manufacturer-independent means you develop real expertise across all systems and all brands.
Culture
We invest in development, promote from within, and take our responsibilities to our team seriously.
Quality of Work
Technically demanding, genuinely varied, and carried out for clients who set a high bar.
Great place to work
Engineers who join JSA stay due to the working culture.
Rewards
Auto enrolled or salary-sacrifice pension alongside guaranteed yearly salary reviews
Health & Wellbeing
Healthcare plan (inc family), gym discounts, company socials
Case Studies

London Observation
Attraction
Chiller upgrade and
maintenance programme
for year-round reliability
and visitor comfort.
View case study

Premier League Training
Facility Cobham
HVAC optimisation and 24/7 support for elite facilities and performance environments.
View case study

Landmark Commercial Building
Refurbishment, controls upgrade and ongoing maintenance for a Grade II listed landmark.
View case study