HVAC Commissioning Engineer

Complete Security Recruitment Ltd; Brierley Hill; On-site; GBP 42,000 - 62,000; Full time

Benefits offered by this job

Hotel allowance

Company car/van

Pension scheme

Holiday entitlement

Job summary

Complete Security Recruitment Ltd is seeking an experienced HVAC Commissioning Engineer to join our growing team across the UK. You will commission HVAC and associated mechanical systems, ensuring safety, efficiency, and adherence to project specs and standards.

You will liaise with clients, consultants and internal teams to deliver successful handovers. The role requires strong technical knowledge, problem solving, and collaborative skills with a focus on commissioning of AHUs, FCUs, chillers,

Qualifications

• Degree or equivalent in Mechanical/Building Services
• Experience in HVAC commissioning or building services
• Ability to read mechanical drawings and control philosophies
• Experience with BMS and controls

Responsibilities

• Plan and execute HVAC commissioning from pre-commissioning to handover
• Review drawings, specs and commissioning docs
• Perform pre-functional inspections and functional testing
• Commission AHUs, FCUs, chillers, boilers, pumps and ventilation
• Verify BMS operation and control sequences
• Coordinate with TAB specialists to verify performance and resolve issues
• Produce commissioning plans, test sheets and final reports
• Support client demonstrations and handovers
• Collaborate with water/environmental control specialists

Skills

HVAC commissioning

BMS understanding

Drawings interpretation

Problem solving

Education

Mechanical Engineering degree or equivalent

Tools

P&IDs

Job description

About the Role

We are seeking an experienced and motivated HVAC Commissioning Engineer to join our growing team. The successful candidate will be responsible for commissioning HVAC and associated mechanical systems, ensuring they operate safely, efficiently, and in accordance with project specifications, industry standards, and client requirements.

This role requires excellent technical knowledge, strong problem-solving skills, and the ability to work collaboratively with clients, consultants, contractors, and internal engineering teams.

Key Responsibilities

• Plan, coordinate, and execute HVAC commissioning activities from pre-commissioning through to final handover.
• Review project drawings, specifications, control strategies, and commissioning documentation.
• Carry out pre-functional inspections and functional performance testing of HVAC systems.
• Commissioning of vent & wet systems including, air handling units (AHUs), fan coil units (FCUs), chillers, boilers, pumps, ventilation systems, heat recovery units, and associated plant.
• Verify operation of Building Management Systems (BMS) and ensure control sequences function as designed.
• Liaise with Testing, Adjusting and Balancing (TAB) specialists to verify system performance.Identify, investigate, and resolve commissioning issues, documenting corrective actions.
• Produce commissioning plans, method statements, inspection records, test sheets, and final commissioning reports.
• Support client demonstrations, operator training, and project handovers.
• Work closely with Dakro's air and water specialists where HVAC systems interface with water treatment and environmental control systems.

Essential Requirements

• Degree, HND, NVQ Level 4/5, or equivalent qualification in Mechanical Engineering, Building Services Engineering, or a related discipline.
• Minimum of 3 years' experience in HVAC commissioning or mechanical building services.
• Strong understanding of chilled water, heating water, ventilation, air conditioning, and hydronic systems.
• Experience commissioning Building Management Systems (BMS) and controls.
• Ability to interpret mechanical drawings, schematics, P&IDs, and control philosophies.
• Experience working on commercial, healthcare, pharmaceutical, industrial, or data centre projects is advantageous.
• Full UK driving licence.

Experience & Qualifications

• CSA Grade 3 or equivalent commissioning certification.
• CSCS/ECS card.
• SSSTS or SMSTS certification.
• First Aid at Work qualification.
• Experience with cleanrooms, healthcare, data centres, or mission‑critical facilities.
• Knowledge of water treatment systems and closed‑system water quality.

What We Offer

• With work being based across the UK, hotel allowance provided
• Company Car or Company Van
• AVIVA pension scheme
• 28 Holidays year including the bank holidays, with loyalty scheme to increase to 36 days