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Senior Mechanical Engineer - Building Services

Job in Doha, Baladīyat ad Dawḩah, Qatar
Listing for: Worley Parsons
Full Time position
Listed on 2026-05-23
Job specializations:
  • Engineering
    Environmental Engineer, Water Engineer
Salary/Wage Range or Industry Benchmark: 400000 - 600000 QAR Yearly QAR 400000.00 600000.00 YEAR
Job Description & How to Apply Below

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
Education – Qualifications, Accreditation, Training
  • Full‑time Bachelor’s Degree in Mechanical Engineering from an accredited university
  • MME (Ministry of Municipality and Environment) engineering accreditation is mandatory; if not held, candidate must be willing to achieve it within the probationary period
  • Chartered Professional Engineer (CPEng) status or pursuit of it is an advantage
Industry Specific Experience
  • Highly experienced Senior Building Services Engineer specializing in fire protection, water supply, and drainage systems to support design and delivery across industrial and infrastructure projects
  • Engineering experience in the same or similar industry, including multi-disciplinary projects and teams
  • Good knowledge of discipline design/engineering with sufficient experience in different discipline areas

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.

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Position Requirements
10+ Years work experience
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