Lead Mechanical Engineer

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The KBR team delivers future-forward science, technology and engineering solutions and mission-critical services that help governments and companies around the world accomplish their most important objectives, while also helping achieve their sustainability goals. KBR Sustainable Technology Solutions provides holistic and value-added solutions across the entire asset life cycle. These include world-class licensed process technologies, differentiated advisory services, deep technical domain expertise, energy transition solutions, high-end design and engineering capabilities, and smart solutions to optimize planned and operating assets.

Job purpose

Lead and manage all HVAC engineering activities for ADNOC Offshore Greenfield projects during concept, FEED, detailed engineering, procurement, construction, commissioning, and start-up phases. Ensure HVAC systems are designed and implemented in compliance with ADNOC Offshore standards, international engineering codes, offshore environmental requirements, safety regulations, and project objectives.

The role is responsible for delivering reliable, safe, energy-efficient, and maintainable HVAC and pressurization systems for offshore facilities including wellhead towers, central processing platforms (CPP), utility platforms, living quarters, electrical buildings, telecom shelters, and process facilities.

Key responsibilities

Technical leadership

Lead HVAC engineering activities for offshore oil and gas projects.

Manage and supervise HVAC engineers and designers.

Ensure engineering deliverables are completed in accordance with project schedules and quality requirements.

Provide technical guidance, mentoring, and support to project teams.

Coordinate effectively with multidisciplinary engineering teams including process, mechanical, electrical, instrumentation, telecom, civil, structural, and HSE disciplines.

Participate in engineering reviews, model reviews, constructability reviews, and project meetings.

HVAC system design and engineering

Develop HVAC design basis, design philosophy, and project specifications.

Perform and review HVAC calculations including:

Cooling load calculations

Heating load calculations

Ventilation calculations

Pressurization studies

Equipment sizing calculations

Airflow distribution analysis

Design and review HVAC systems for:

Control rooms

Electrical substations

Telecom rooms

Instrument equipment rooms

Analyzer shelters

Utility buildings

Living quarters

Workshops

Warehouses

Process buildings

Review and approve:

HVAC layout drawings

Duct routing layouts

Air distribution diagrams

Equipment arrangement drawings

Ventilation schematics

Material requisitions and datasheets

HVAC equipment engineering

Review and approve specifications and datasheets for:

Air handling units (AHUs)

Fresh air handling units (FAHUs)

Packaged HVAC units

Chillers

Split and VRF systems

Pressurization units

Exhaust fans

Smoke extraction systems

Ductwork systems

HVAC control systems

Ensure equipment selection is suitable for offshore and hazardous-area applications.

Compliance and safety

Ensure compliance with:

ADNOC Offshore standards

ADNOC engineering specifications

ASHRAE standards

SMACNA standards

NFPA standards

API standards

ISO standards

IEC standards

Participate in:

HAZID reviews

HAZOP studies

Design safety reviews

Constructability reviews

Model reviews

Ensure HVAC systems adequately address:

Smoke management

Emergency ventilation

Hazardous area ventilation

Toxic gas protection

Building pressurization requirements

Fire and gas system interfaces

Procurement and vendor management

Prepare and review technical requisitions.

Conduct technical bid evaluations and vendor assessments.

Review vendor documents, calculations, and drawings.

Resolve technical queries and deviations.

Participate in technical review meetings with suppliers and contractors.

Witness factory acceptance tests (FAT) where required.

Construction and commissioning support

Provide engineering support during fabrication, construction, and offshore installation activities.

Review site technical queries and recommend solutions.

Support:

Mechanical completion

Pre-commissioning

Commissioning

Performance testing

Start-up activities

Participate in:

Factory acceptance tests (FAT)

Site acceptance tests (SAT)

HVAC functional testing

Performance verification testing

Project management

Monitor engineering progress against approved schedules.

Support project cost control and resource planning.

Identify risks and implement mitigation measures.

Ensure compliance with quality assurance and control requirements.

Coordinate closely with ADNOC Offshore representatives, EPC contractors, and project stakeholders.

Qualifications

Education

Bachelor's degree in mechanical engineering.

Master's degree in mechanical engineering is an advantage.

Professional experience

Minimum 15 years of experience in mechanical/HVAC engineering.

Minimum 5 years in a lead HVAC engineer role within major oil and gas projects.

Proven experience in offshore greenfield EPC projects.

ADNOC Offshore project experience is highly preferred.

Strong experience across FEED, detailed engineering, procurement, construction support, and commissioning phases.

GCC/Middle East project experience is preferred.

Technical competencies

HVAC engineering expertise

Offshore HVAC design

Industrial ventilation systems

Building pressurization systems

Chilled water systems

DX cooling systems

Smoke control systems

Hazardous area ventilation

Energy-efficient HVAC solutions