Job Description

Senior Mechanical Estimation Engineer (HVAC & Plumbing)
Job Title: Senior Mechanical Estimation Engineer (HVAC & Plumbing)
Department: Tendering & Estimation
Reports To: Chief Estimation Manager / Pre-Construction Manager
Location: [GCC Country]
Experience: Minimum 3-4 years in GCC
1. Job Purpose Summary
We are seeking a highly skilled and detail-oriented Senior Mechanical Estimation Engineer with proven GCC experience. The primary purpose of this role is to prepare accurate, competitive, and comprehensive cost estimates for large-scale and complex Mechanical (HVAC & Plumbing) construction projects. The ideal candidate will possess a deep understanding of construction methodologies, local market costs, and be proficient in transforming construction drawings and specifications into a definitive Bill of Quantities (BOQ) and pricing model.
2. Key Responsibilities & Duties
A. Tender Analysis & Preparation:

• Conduct a thorough review of tender documents, including Invitations to Tender (ITT), drawings, specifications, and contract conditions to understand the full project scope.
• Identify potential risks, ambiguities, and qualifications at the tender stage.
• Attend pre-tender meetings and site visits to gather essential information.

B. Quantity Take-Off & BOQ Preparation:

• Perform a detailed and accurate take-off of quantities for all HVAC (Ducting, Chilled Water Piping, Equipment, Insulation) and Plumbing (Sanitary, Water Supply, Drainage, GRP) systems from IFC (Issued for Construction) drawings.
• Prepare a comprehensive and well-structured Bill of Quantities (BOQ) in accordance with project specifications and standard measurement methods (e.g., POMI).
• Identify and list all materials, equipment, and labor components required for the project.

C. Cost Estimation & Pricing:

• Source and obtain competitive quotations from suppliers and subcontractors for materials, equipment, and specialized services within the GCC region.
• Analyze supplier quotes for compliance with specifications and commercial competitiveness.
• Apply accurate unit rates for labor, materials, and equipment, factoring in productivity rates, wastage, and local market conditions.
• Calculate direct costs, indirect costs (overheads), and profit margins to build a final tender price.

D. Proposal Development & Submission:

• Collaborate with the Electrical Estimation team and other departments to ensure a coordinated MEP tender submission.
• Prepare a clear and concise technical and commercial proposal, including clarifications, assumptions, and exclusions.
• Compile all necessary documentation for the final tender submission within the strict deadline.

E. Post-Tender Activities:

• Participate in post-tender clarification meetings with clients and consultants.
• Assist in the handover of the awarded project to the execution team, explaining the estimate's basis and key commercial assumptions.

3. Qualifications, Skills & Competencies

• Education: Bachelor's Degree in Mechanical Engineering or a related field.
• Experience: Minimum of 3-4 years of proven experience in Mechanical (HVAC & Plumbing) estimation, specifically within the GCC construction industry.
• Technical Skills:
• Expert in reading and interpreting architectural, structural, and MEP drawings and specifications.
• High Proficiency in performing quantity take-offs using software such as AutoCAD, Bluebeam, or specialized take-off tools.
• Advanced skills in MS Excel for building complex estimation models and BOQs.
• Experience with estimation software (e.g., Candy, CCS) is a strong advantage.
• In-depth knowledge of HVAC systems (VRF, Chillers, FAHU, FCU), plumbing systems, and relevant international codes (ASHRAE, IPC, etc.).
• Personal Competencies:
• Meticulous attention to detail and a high level of accuracy.
• Strong analytical and problem-solving skills.
• Excellent negotiation and communication skills.
• Ability to work under pressure and meet tight deadlines.
• Strong commercial and financial acumen.

Skills Required