Senior Mechanical Engineer - Building Services

Senior Mechanical Engineer – Building Services (DOH
01NI
)

Company:
Worley

Mechanical

Full-time

Employment Type:

Agency Contractor

May 19, 2026

Ongoing

• Support the design and delivery of building services across industrial and infrastructure projects.
• Lead the development of safe, compliant, and cost-effective engineering solutions in accordance with international standards such as NFPA, ASHRAE, and local regulations.
• Lead the design and development of:
  • Fire protection systems (hydrants, sprinklers, foam, clean agent systems)
  • Domestic water supply systems (potable and non-potable)
  • Drainage systems (sanitary, stormwater, oily water, condensate)
• Perform system calculations, including:
  • Firewater demand and hydraulic calculations
  • Pipe sizing and system design optimization
• Prepare engineering deliverables:
  • Design basis reports, calculations, and specifications
  • System schematics, layouts, and detailed drawings
  • Equipment datasheets and technical documentation

• Design and review:
  • Firewater networks (pumps, storage, distribution)
  • Sprinkler, water spray, hydrant, and hose reel systems
• Ensure compliance with NFPA standards and local civil defense requirements
• Develop fire protection philosophies, layouts, and system calculations

• Design complete plumbing systems, including:
  • Domestic cold and hot water systems
  • Utility water supply for maintenance and operational use
• Design and coordinate drainage systems:
  • Sanitary drainage
  • Stormwater systems and discharge arrangements
• Interface with external utilities for water supply and drainage tie-ins

• Full‑time Bachelor’s Degree in Mechanical Engineering from an accredited university
• MME (Ministry of Municipality and Environment) engineering accreditation is a mandatory requirement ...
• Chartered Professional Engineer (CPEng) status or undertaking the same will be an advantage

• Highly experienced Senior Building Services Engineer specializing in fire protection, water supply, and drainage systems to support the design and delivery of building services across industrial and infrastructure projects.
• Engineering experience in the same or similar industry, including experience in multi‑disciplinary projects and teams.
• Good knowledge of discipline design/engineering with sufficient experience in different discipline areas.

We’re committed to building a diverse, inclusive and respectful workplace where everyone feels they belong, can bring themselves, and are heard. We provide equal employment opportunities to all qualified applicants and employees without regard to age, race, creed, color, religion, sex, national origin, ancestry, disability status, veteran status, sexual orientation, gender identity or expression, genetic information, marital status, citizenship status or any other basis as protected by law.