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Mechanical Estimator

Job in Cardiff, Cardiff City Area, CF10, Wales, UK
Listing for: Galliford Try
Full Time position
Listed on 2026-10-09
Job specializations:
  • Engineering
    Estimator
Job Description & How to Apply Below
Mechanical Estimator

Location:

Flexible UK Location Business Unit: AVRS Systems | Environment About UsGalliford Try is one of the UK's most formidable construction businesses with an enviable track record of delivering schemes that create positive, lasting change for the communities we work in.

Within our Environment Business, AVRS Systems provides specialist mechanical, electrical, instrumentation, control and automation solutions across the UK water sector. Working on critical infrastructure projects, we support the delivery of clean water, wastewater and sludge treatment schemes that help maintain and improve essential services for millions of customers.

Purpose of the Role We are looking for a talented Mechanical Estimator to join the AVRS Systems  this role, you will support the business through the preparation and submission of accurate, commercially competitive tenders that meet client requirements and help secure future work. Working as part of a highly experienced estimating team, you will play a key role in supporting the continued growth of the business across a range of infrastructure and non-infrastructure projects within the clean water, wastewater and sludge treatment sectors.

This is an excellent opportunity for an estimator with a mechanical, water or process engineering background looking to develop their career within a leading infrastructure organisation.

What You'll Be Doing As a Mechanical Estimator, you will:

Prepare enquiry schedules and liaise with internal stakeholders and procurement teams to identify suitable suppliers and subcontractors.

Obtain and evaluate supplier quotations to support robust commercial decision-making.

Provide information required to review contract conditions, bonds, warranties and insurance requirements.

Produce detailed analytical rate build-ups and Bills of Quantities.

Develop and refine cost data using project feedback and market intelligence.

Identify opportunities to improve commercial competitiveness and add value to tender submissions.

Identify, assess and manage tender risks, producing risk registers where required.

Prepare preliminary cost estimates and pricing submissions.

Compile commercial documentation for tender submissions.

Attend tender finalisation and handover meetings, presenting cost information and recommendations.

Support the successful delivery of accurate, compliant and commercially robust tender submissions.

Work collaboratively with engineering, procurement and project delivery teams throughout the bid process.

About You We're looking for a commercially minded estimator who enjoys working collaboratively and has a strong attention to detail.

Essential Skills & Competencies Excellent verbal and written communication skills.

Collaborative and proactive approach to working within multidisciplinary teams.

Strong influencing and negotiation skills.

Excellent analytical and decision-making abilities.

Ability to manage competing priorities and work to deadlines.

High level of commercial awareness.

Strong understanding of risk identification and risk management techniques.

Good understanding of health and safety responsibilities and compliance requirements.

Ability to interpret technical and commercial information accurately.

Technical Knowledge & Experience Experience working within an estimating, commercial or project delivery environment.

Knowledge of the estimating process and tender preparation.

Understanding of construction and engineering contracts and Conditions of Contract.

Understanding of client asset standards and WIMES specifications.

Ability to read and interpret:

Process & Instrumentation Diagrams (P&IDs)
Process Flow Diagrams (PFDs)

Experience with in clean water, wastewater or sludge treatment projects would be advantageous.

Strong understanding of procurement and supply chain engagement processes.

Experience in risk management and commercial assessment.

Qualifications Equivalent to Level 3 NVQ or Certificate-level qualification.

Relevant construction, engineering, mechanical or technical qualification desirable.

Proficient in Microsoft Office applications including Outlook, Word, Excel and PowerPoint.

Why Join Us?

This is an exciting opportunity to join a growing specialist business delivering essential infrastructure projects across the UK water sector.

You'll work alongside experienced estimators, engineers and project teams on a varied portfolio of work while developing your technical, commercial and industry knowledge. Whether you're looking to build on existing…
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