HVAC Engineer

We can only accept applications from candidates currently residing in the UK. Due to the nature of this role, applications from individuals based outside the UK will not be considered.

Trident IES, formerly known as IES Callenberg Ltd, has been delivering specialist HVAC&R services to the energy sector since 1984. With over 30 years of experience in HVAC&R repair, maintenance and engineering services, we are proud to be the largest independent provider of HVAC&R services in the North Sea. Our client portfolio includes major oil & gas operators and integrated service companies, and we continue to grow our presence across the renewable energy sector, supporting both onshore and offshore substations across a range of windfarm projects.

We are currently looking to recruit an experienced and motivated HVAC Design Engineer to join our team in Aberdeen on a full-time hybrid basis. This is an excellent opportunity for a technically strong engineer to play a key role in the design, delivery and lifecycle management of HVAC projects, supporting both offshore and onshore operations across the energy sector. The successful candidate will be responsible for the production and review of detailed HVAC design calculations, drawings and technical documentation, while also supporting project execution through installation, commissioning and client handover. As this role involves offshore and overseas travel, candidates must be willing and able to travel as required.

Key Responsibilities

• Producing and reviewing detailed HVAC design calculations, including:

• Heating and cooling load calculations
• Psychrometric analysis
• Airflow rate calculations
• Plant and equipment sizing and selection

• Fabrication drawings
• Flow diagrams
• Pressure and instrumentation diagrams

• Survey reports
• Basis of Design documents
• System operating philosophies
• Equipment specifications
• Data sheets

• Extent and condition of systems
• Operational status of installations
• Required remedial works or upgrades

What We’re Looking For

• BEng or BSc in HVAC, Mechanical, Electrical or Building Services Engineering preferred (SCQF Level 8 and above), although this is not essential where sufficient relevant experience can be demonstrated
• Strong technical capability in the design of HVAC systems in line with relevant UK and international codes and standards
• Previous experience in a similar HVAC design engineering role, ideally within oil & gas, offshore energy or industrial environments
• Strong communication skills with a client-focused and solution-oriented approach
• Ability to work independently, use initiative and solve problems effectively
• Good time management skills and the ability to prioritise workload to meet project deadlines
• Proficiency in Microsoft Office and AutoCAD
• Experience using MEP software packages would be advantageous
• Valid offshore certification, such as MIST, OGUK Medical (These are preferred but not essential.)

What You Can Expect

• Competitive salary (DOE)
• Attractive benefits package
• Health Cash Plan
• Life Assurance
• Company Pension Scheme
• Opportunity to join a well-established and respected specialist business serving both traditional and renewable energy sectors
• Exposure to varied and technically interesting projects across onshore and offshore environments

Equality, Diversity & Inclusion

At Trident IES, our organisation is made up of brilliant people — each with unique backgrounds, experiences, skills and perspectives. We recognise that diversity makes us stronger, and we are committed to fostering an inclusive culture where everyone feels valued, respected and supported to succeed. All qualified applicants will be considered for employment regardless of race, religion, colour, national origin, gender, sexual orientation, gender identity or expression, age, marital status, pregnancy, neurodiversity, disability, or any other characteristic that makes them unique. Trident IES is proud to be a Disability Confident Employer.

Forces Friendly Employer

Trident IES is a proud signatory of the Armed Forces Covenant and a holder of the Employer Recognition Scheme (ERS) Gold Award. We are committed to supporting those leaving the Armed Forces to fulfil their potential in civilian life. As part of this commitment, we operate a Guaranteed Interview Scheme for Veterans. Selection procedures will always ensure the best candidate is appointed, and any Veterans who meet the criteria set out in the role profile will be guaranteed an interview.

Applicants must currently reside in the UK. Due to the nature of this role, applications from candidates based outside the UK will not be considered.

How to Apply

Please apply via LinkedIn, or send your CV and any cover letter/supporting statement to: donnamarie.cunningham@tridentllc.com