Job Details

Arrow DownBack

Construction - Senior Mechanical Estimator

  • Image for Employer
    Glanua
  • Image for Job Ref
    Ref: #JOB-2448033
  • Image for Location
    Bishop's Stortford,
  • Image Position
    No of positions: 1
  • Image Part Time
    Paid Position
  • Image Hours per week
    39 hours per week
  • Image for Euro
    Negotiable
  • Image for Published
    Published On: 12 May 2026
  • Image for Closing
    Closing On: 09 Jun 2026

In order to work in Ireland a non-EEA National, unless they are exempted, must hold a valid employment permit. Please review the Eligibility and requirements for an employment permit if you are unsure of your eligibility to apply for this vacancy. 


We are seeking an accomplished and highly proficient Senior Mechanical Estimator to join Glanua, a recognised leader in the water and wastewater sector. This role will be central to the success of our tendering activities across major municipal programmes for Uisce Éireann and AMP8 frameworks with Thames Water, United Utilities and Yorkshire Water. The successful candidate will bring strategic insight, technical depth and the ability to shape competitive, high quality proposals that reflect Glanua’s commitment to excellence.

The main duties and responsibilities of the Senior Mechanical Estimator are outlined as follows:
Estimate Preparation
Develop detailed, accurate and fully evidenced mechanical estimates based on drawings, specifications and tender documentation.
Ensure estimates reflect realistic construction risk, align with Glanua governance and adhere to relevant industry standards.
Design Development Participation
Engage actively in design development to assess buildability, installation methods, material selection and opportunities for innovation.
Provide early stage cost guidance during tendering to support optioneering and ensure optimum value for money.
Risk and Governance Compliance
Ensure all risk management, commercial governance and approval procedures are followed and fully documented.
Provide clear assumptions, exclusions and clarifications to support robust commercial decision making.
Tender Preparation
Contribute to the development of Tender Preparation and Tender Construction programmes.
Work with planning and discipline leads to prepare detailed staff schedules and resource plans that reflect delivery requirements.
Procurement Planning
Work with buyers to develop procurement plans, identify suitable suppliers and subcontractors and negotiate commercial terms.
Issue enquiries, evaluate quotations and secure competitive pricing for mechanical materials, equipment and subcontract services.
Technical and Industry Awareness
Maintain an up to date understanding of sector developments, mechanical systems, installation methods and market trends.
Apply this knowledge to strengthen tender competitiveness and ensure accuracy in cost modelling.
Financial Modelling
Develop and refine financial models for framework submissions, including staff rate development and commercial scenario analysis.
Support price fix reviews with clear justification of key mechanical cost drivers.
Cost Coding and Feedback
Use Glanua’s standardised cost coding system to support cost capture, project benchmarking and future estimating accuracy.
Provide feedback to improve cost libraries, production rates and estimating methodologies.

Experience
Minimum of 15 years of experience in mechanical estimating within the water, wastewater or related infrastructure sectors.
  • Sector:

Career Level

  • Experienced [Non-Managerial]

Hide Share Button: No

Show Center Title: No