Assistant Manager ( HVAC Design and Estimation )

Confidential; Oman; On-site; OMR 15,000 - 21,000; Full time

Benefits offered by this job

Competitive package

Career growth opportunities

Job summary

Confidential is seeking an experienced Assistant Manager HVAC Design, Estimation & Tendering to independently manage HVAC design, estimation, costing, and tendering activities for commercial, residential, hospitality, healthcare, and industrial projects in Oman.

Responsibilities include reviewing documents, performing load calculations with HAP, designing systems, preparing BOQs and cost estimates, and leading tender submissions. Strong leadership and negotiation skills are essential.

Qualifications

• Minimum 10 years of relevant experience in HVAC design, estimation and tendering.
• Strong experience with MEP/HVAC contracting companies.
• Proven ability to independently handle HVAC tenders from enquiry to final submission.
• Good knowledge of Oman/GCC construction market, supplier pricing and tendering procedures.
• Experience in commercial, hospitality, healthcare, and industrial projects.

Responsibilities

• Review tender documents, drawings, specifications and scope of work.
• Perform HVAC cooling load calculations using HAP and prepare HVAC designs.
• Design and select chilled water, VRF/VRV, DX, AHU, FCU, FAHU, and ventilation systems.
• Prepare layouts, duct sizing, piping calculations, and equipment schedules.
• Prepare detailed BOQs, take-offs, material specs, and cost estimates.
• Estimate costs for equipment, ducting, piping, insulation, labour, installation and commissioning.
• Prepare tender submissions, rate analysis and cost comparison statements.
• Negotiate quotations with suppliers and subcontractors.
• Identify scope gaps, exclusions and commercial risks; coordinate with clients and project teams.
• Lead and supervise estimation and tendering engineers; ensure timely, competitive tenders.

Skills

HVAC design

Tendering

Estimating

Leadership

Costing

Negotiation

Client coordination

Tools

HAP software

Excel

Job description

Role & responsibilities

We are seeking an experienced Assistant Manager HVAC Design, Estimation & Tendering to independently manage HVAC design, estimation, costing, and tendering activities for commercial, residential, hospitality, healthcare, and industrial projects in Oman.

• Review tender documents, drawings, technical specifications, and scope of work.
• Perform HVAC cooling load calculations using HAP and prepare HVAC system designs.
• Design and select Chilled Water, VRF/VRV, DX, AHU, FCU, FAHU, and ventilation systems.
• Prepare HVAC layouts, duct sizing, chilled water piping calculations, and equipment schedules.
• Prepare detailed BOQs, quantity take-offs, material specifications, and cost estimates.
• Estimate costs for HVAC equipment, ducting, piping, insulation, accessories, labour, installation, and commissioning.
• Prepare technical and commercial tender submissions, rate analysis, and cost comparison statements.
• Obtain and negotiate quotations with suppliers and subcontractors.
• Identify scope gaps, exclusions, deviations, and commercial risks.
• Coordinate with clients, consultants, procurement, and project teams.
• Lead and supervise estimation and tendering engineers.
• Ensure timely submission of competitive and technically compliant tenders.

Preferred candidate profile

• Minimum 10 years of relevant experience in HVAC design, estimation, and tendering.
• Strong experience in MEP/HVAC contracting companies.
• Proven ability to independently handle HVAC tenders from enquiry to final submission.
• Good knowledge of Oman/GCC construction market, supplier pricing, and tendering procedures.
• Experience in commercial buildings, hotels, hospitals, residential, and infrastructure projects.
• Strong knowledge of ASHRAE, SMACNA, and applicable project standards.
• Excellent skills in HVAC BOQ preparation, costing, quantity surveying, and value engineering.
• Strong leadership, communication, and negotiation skills.