Commissioning Engineer - Mechanical

AESG; Riyadh; On-site; SAR 180,000 - 300,000; Full time

Job summary

AESG is seeking an experienced Commissioning Engineer to join our multi-discipline team in the Middle East. You will conduct site inspections, witness testing of mechanical systems, and deliver commissioning services aligned with AESG standards.

The ideal candidate has extensive experience in MEP building services, working with HVAC systems, and a track record of coordinating with contractors and vendors to ensure system readiness and project success.

Qualifications

• Bachelor level qualifications in MEP/building services engineering or equivalent.
• Professional certifications such as CSA/NEBB are desirable but not essential.
• Experience and advanced competencies in commissioning of mechanical services.

Responsibilities

• Carry out site inspections and witness testing of mechanical systems including HVAC and related equipment.
• Review drawings, sequences of operation, and commissioning plans for compliance with standards.
• Verify installation readiness prior to testing and witness pre-commissioning activities.
• Coordinate with contractors, TAB specialists, controls/BMS engineers, OEM vendors, and stakeholders.
• Prepare site observation reports, commissioning records, and punch lists.
• Participate in commissioning meetings and provide input on risks and programme constraints.

Skills

Site inspections

Commissioning

Technical knowledge

Project coordination

Documentation

Education

MEP / Building Services Engineering Degree

BSc Mechanical Engineering

BSc Building Services Engineering

HNC / HND

ONC / OND

City & Guilds certificate

Job description

Due to the continuing success and growth of our AESG team, a fantastic opportunity has opened up at our award-winning Specialist Consultancy, Engineering and Advisory Firm.

We are headquartered in London, Riyadh, Singapore, Dubai, Cape Town, Cairo, and Sydney, working throughout the Middle East, Europe, and Asia. Our areas of expertise are represented in four core verticals: Building Engineering, Planning and Infrastructure, Strategy and Advisory, and Commissioning, Handover and Asset Management.

We pride ourselves on being leaders in the industry in each of the services that we offer. We have one of the largest dedicated teams with decades of cumulative experience in sustainable design, fire and life safety, cost management, façade engineering, commissioning, building performance, waste management, environmental consultancy, carbon management and acoustics.

JOB PURPOSE

• As part of a multi-discipline project team representing AESG, conduct site inspections and verify the tested results are correct.

• Provide support to the project by delivering commissioning services in line with the high-standards clients of AESG have come to expect.

QUALIFICATION / EXPERIENCE

Education

• MEP / Building Services Engineering Degree

  • BSc Mechanical Engineering

  • BSc Building Services Engineering

• MEP / Building Services Engineering College Diploma

  • HNC, HND or equivalent

• MEP / Building Services Engineering College Certificate

  • ONC, OND or equivalent

  • MEP Trade time served + City & Guilds certificate

Experience

• Minimum 5 years of job-related experience + Engineering degree

• Minimum 6 years of job-related experience + college diploma

• Minimum 7 years of job-related experience + college or Trade Certificate

Industry Accreditations

• Incorporated Engineer, desirable but not essential

• CSA Grade 4 qualifies, desirable but not essential

• Commissioning certification such as BCA, ACG or NEBB, desirable but not essential

GENERAL EXPECTANCY

• Significant experience and advanced competencies.

• Able to work independently on complex tasks.

RESPONSIBILITIES

• Carry out site inspections and witness testing of mechanical systems including chilled water systems, HVAC equipment, AHUs, FCUs, CRAH/CRAC units, cooling towers, pumps, ventilation systems, plumbing, public health, fire protection systems, and associated equipment where applicable.

• Review drawings, sequences of operation, equipment schedules, method statements, testing procedures, and commissioning plans to ensure compliance with project specifications, applicable codes, and industry standards (CIBSE, ASHRAE, BSRIA, etc.).

• Verify installation readiness, including pipework, supports, insulation, labelling, accessibility, maintainability, and system completeness prior to testing.

• Witness and verify pre-commissioning activities including pressure testing, flushing, cleaning, water treatment, equipment start-up, and system readiness inspections.

• Validate system performance by reviewing flow rates, temperatures, pressures, control sequences, setpoints, TAB results, and equipment operation against design intent.

• Coordinate with contractors, TAB specialists, controls/BMS engineers, OEM vendors, and other stakeholders to plan testing activities, resolve technical issues, and ensure system readiness.

• Monitor commissioning progress, maintain commissioning trackers, deficiency logs, and readiness reports, and support programme delivery.

• Prepare high-quality site observation reports, commissioning records, technical comments, non-conformance reports, and punch lists.

• Participate in commissioning meetings, technical workshops, and coordination sessions, providing input on system readiness, technical risks, and programme constraints.

• Support functional performance testing, integrated systems testing, and verification of mechanical system interfaces with electrical, controls, fire protection, and life safety systems where applicable.

• Review TAB reports, water quality results, O&M manuals, as-built documentation, training records, and handover documentation prior to project completion.

• Ensure all commissioning activities are carried out in accordance with project procedures, health and safety requirements, quality standards, and industry best practice while representing AESG professionally in all project interactions.

COMPETENCIES

• Leadership / Management skills

Responsible for the day-to-day management and optimisation of their teams' operations and performance.

• Communication / Collaboration

Excellent communication and listening skills. Collaborate on projects, share insights, and coordinate efforts across departments.

• Technical Knowledge / Expertise

Undertake more intricate tasks and projects, applying knowledge to solve practical problems.

• Creativity / Innovation

Staying informed about the latest developments with industry technological advancements.

• Client Focus / Relationship Building

Ability to independently represent the company in a client-facing role and manage Client satisfaction.

• Strategic Vision / Planning

Buy-in to corporate and divisional strategy. Ability to assist various divisions in developing business opportunities.

DEMONSTRATED KNOWLEDGE BASE AND PROFESSIONAL SKILLSET

• Time Management / Planning

Monitor progress and time taken to complete tasks to ensure tasks completion stays on track. Balance the time spent on activities, understanding and prioritising the urgency of tasks.

• Industry Experience / Thought Leadership

Demonstrated industry experience on a wide range of related project types, proven ability to efficiently manage project deadlines.

• Project Management / Operational Delivery

Ability to independently manage the delivery of smaller projects ($50k) in a client-facing role. Strong knowledge of technical discipline with experience in executing previous projects to a high level of independence.

• Commercial Acumen / Business Development

Manage commercials on project delivery with support from more senior team members. Assist in creation and delivery of proposals.

• Problem Solving / Decision Making

Coordinating tasks and solving specific problems within the areas of responsibility.

• Employee Focus / Process Compliance

Actively coordinate efforts to enhance employee experience, such as planning and executing recognition programs, conducting surveys, and organising employee well-being initiatives. Identifies external regulations that can impact the organisation.

• Upholding AESG Core Values

Upholding AESG Core Values such as: Honesty, Flexibility, Adaptability, Client-centricity and Collaboration.