Mechanical Estimator

Alternative Heat; Belfast City; On-site; GBP 43,000 - 64,000; Full time

Job summary

Alternative Heat Ltd. is seeking a Mechanical Estimator in Mallusk to lead the preparation of accurate, competitive estimates for decarbonisation and building services projects.

You will review drawings and specifications, develop cost plans and take-offs, and source subcontractor pricing while identifying risks and value engineering opportunities. Close collaboration with commercial, design and operations teams will support bids and handovers.

Qualifications

• Prepares accurate mechanical estimates for decarbonisation and building services projects.
• Produces cost plans and quantity take-offs from drawings/specifications.
• Sources subcontractor and supplier pricing; identifies risks and opportunities.
• Supports bid processes, handovers, and cost data benchmarking.

Responsibilities

• Lead the preparation of robust estimates for decarbonisation projects.
• Review drawings and specifications to develop pricing strategies.
• Identify value engineering opportunities and commercial risks.
• Collaborate with clients, suppliers, subcontractors and internal teams for tender submissions and handovers.

Skills

Estimating

Tender pricing

Cost planning

Value engineering

Quantity take-offs

Cross-functional collaboration

Job description

Mechanical Estimator

Department: Estimating

Employment Type: Permanent - Full Time

Location: Mallusk

Reporting To: Head of Estimating

Description

What We Do:

We provide fully integrated design, build, and operational solutions for commercial energy centres and large-scale district heating schemes, drawing on extensive experience delivering similar projects for public sector clients across the UK and Ireland. We take genuine pride in the long-standing relationships we have built, working closely with our clients as trusted partners and continuing to support them on their journey toward net zero.

Role Overview:

The Mechanical Estimator will be responsible for preparing accurate and competitive mechanical estimates for decarbonisation and building services projects, managing the tender process from initial enquiry through to submission. This includes reviewing drawings and specifications, producing cost plans and quantity take-offs, sourcing subcontractor and supplier pricing, identifying risks and value engineering opportunities, and working closely with commercial, design, and operational teams to support successful project bids and handovers.

Job Title | Mechanical Estimator
Location | Mallusk
Hours | Monday-Thursday 8am-5pm and Friday 8am-3pm
Salary | Competitive Depending on Experience
Reporting to | Head of Estimating

What You'll be Doing

This role is responsible for leading the preparation of accurate and competitive mechanical estimates for decarbonisation projects, supporting successful work-winning and tender outcomes. The position involves reviewing project documentation, developing pricing strategies, identifying value engineering opportunities, and assessing commercial risks to produce robust and compliant estimates. Working closely with clients, suppliers, subcontractors, and internal teams, the role contributes to the preparation of high-quality tender submissions, supports bid negotiations, and ensures effective handover to delivery teams. Additionally, the position is responsible for maintaining estimating standards, improving cost data and benchmarking processes, mentoring junior estimators, and ensuring all work is delivered in line with company procedures, governance requirements, and submission deadlines.