Senior Mechanical Engineer - Building Services

Worley

Key Responsibilities:

• 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.

Engineering Design & Technical

• 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

Fire Protection Engineering

• 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

Plumbing & Drainage Systems

• 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