Mechanical Estimator

Location: UK (Hybrid – office & home)

Salary: Negotiable DOE

About Designer Group

Designer Group is a leading international mechanical & electrical (M&E) contractor specialising in turnkey packages for the design, supply, and installation of building services. Headquartered in Dublin, we employ over 1,000 experienced and dedicated colleagues across the Group. We partner with some of the world’s largest multinational companies, delivering ambitious, innovative, and sustainable engineering solutions.

Our people are the foundation of our continued growth across all client sectors. We invest heavily in training and professional development, producing an innovative and passionate team that delivers projects safely, efficiently, and to the highest industry standards.

Our values shape everything we do:

Safe | Trust | Respect | Challenge | Deliver

The Opportunity

We’re seeking a Mechanical Estimator to join our UK Estimation Department. This is an excellent opportunity for someone already working with an M&E contractor who wants to work on a diverse portfolio of building services and fit-out projects.

You’ll be central to winning work and preparing high-quality tenders, collaborating closely with our supply chain, project teams, and senior leadership to secure and deliver successful bids.

Key Responsibilities

• Analyse tender opportunities, assess risk, and provide clear recommendations to management.
• Review tender documentation and ensure a thorough understanding of client requirements.
• Accurately quantify mechanical materials, plant, and labour requirements.
• Prepare tender adjudication packs, risk analyses, and contractor proposals.
• Build up competitive labour rates, factoring in all relevant elements.
• Develop cost plans and value-engineered options to enhance bid competitiveness.
• Liaise with procurement and vet supplier/subcontractor submissions for compliance.
• Collaborate with electrical estimators to finalise complete M&E bids.
• Maintain a database of bids submitted and track outcomes.
• Provide regular reporting to management on estimating activity.

About You

• Third-level qualification in Quantity Surveying, Building Services, or related field.
• Minimum 3 years’ estimating experience with an M&E contractor (essential).
• Strong understanding of building services and fit-out project requirements.
• Excellent analytical skills and attention to detail.
• Confident communicator with strong supplier and subcontractor engagement skills.
• Able to work independently while collaborating across multiple teams.

Why Join Us?

• Health care, pension, and private healthcare cover
• 25 days holiday plus bank holidays
• Hybrid working model (office and home)
• Travel expenses covered
• Career progression opportunities within a global M&E contractor
• Accredited Engineers Ireland Employer for CPD
• Pathway to chartership with SCSI
• Opportunities to work on high-profile UK & international projects

How to Apply

If you’re ready to bring your expertise to a company where your work truly matters, apply today for a confidential discussion.

Designer Group is an equal opportunities employer. We welcome applications from all suitably qualified individuals regardless of gender, age, disability, or background.