Assistant Manager (HVAC Design and Estimation)

BEC Group; Muscat; On-site; OMR 38,000 - 64,000; Full time

Job summary

BEC Group in Muscat invites an experienced Assistant Manager HVAC Design Estimation & Tendering to independently manage design estimation costing and tendering for commercial, residential, hospitality, healthcare, and industrial projects in Oman.

The role requires reviewing tender docs, performing load calculations with HAP, designing systems (Chilled Water, VRF/VRV, AHU, FCU, FAHU), preparing BOQs, and submitting competitive bids.

Qualifications

• Minimum 10 years of experience in HVAC design, estimation and tendering.
• Strong knowledge of ASHRAE/SMACNA and applicable project standards.
• Proven ability to independently handle HVAC tenders from enquiry to final submission.

Responsibilities

• Review tender documents and prepare cost estimates for HVAC systems.
• Perform cooling load calculations using HAP and design HVAC layouts.
• Prepare BOQs, quantity take-offs, and equipment schedules.
• Coordinate with clients, consultants, suppliers, and project teams.
• Lead and supervise estimation and tendering engineers to ensure timely bids.
• Identify scope gaps, risks, and provide value engineering opportunities.

Skills

HVAC design

Estimation

Tendering

Leadership

Negotiation

Communication

HAP

Tools

HAP

Job description

Role amp responsibilities

We are seeking an experienced Assistant Manager HVAC Design Estimation amp 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.