Sr. Estimator - Water/Wastewater

Reference: i4uue1hcfpejwqyl9e6r

Senior Estimator – Water/Wastewater

An experienced Senior Estimator is required to support the delivery of complex water and wastewater infrastructure projects. This is an excellent opportunity for a commercially focused professional with strong estimating experience who can contribute to competitive tenders, robust cost planning and successful project delivery.

Key responsibilities

  • Prepare accurate, detailed estimates, tenders and cost plans for water and wastewater projects.
  • Review drawings, specifications, schedules and contract documentation to identify scope, risks and opportunities.
  • Obtain and assess quotations from suppliers, subcontractors and specialist providers.
  • Develop bills of quantities, resource plans, preliminaries, labour and plant allowances.
  • Collaborate with commercial, design, procurement and operational teams throughout the tender process.
  • Attend site visits, tender adjudications and clarification meetings where required.
  • Maintain clear records of assumptions, exclusions, risks and value engineering opportunities.
  • Support the preparation of tender submissions and provide estimating guidance to junior team members.

About you

You will have substantial experience in estimating within the water, wastewater, utilities or wider civil engineering sector. You should be confident interpreting technical information and developing commercially sound estimates for projects involving treatment works, pipelines, pumping stations, reservoirs or associated infrastructure.

Strong analytical and numerical skills are essential, along with the ability to manage competing deadlines and work accurately under pressure. You will be an effective communicator, capable of building productive relationships with internal teams, clients, suppliers and subcontractors. Experience using estimating software, spreadsheets and relevant digital tools is expected.

Essential experience and qualifications

  • Proven experience in a senior estimating role within civil engineering, utilities or the water sector.
  • Knowledge of construction methods, contracts, procurement and project risks.
  • Ability to produce detailed cost estimates from first principles.
  • Strong commercial awareness and attention to detail.
  • Relevant technical, construction or quantity surveying qualification is desirable.
  • Full UK driving licence and willingness to travel to project and office locations.

In return, you will receive a competitive salary and benefits package, together with the opportunity to work on technically challenging projects that support essential UK infrastructure.

COMPETITIVE SALARY
Added 21/10/2026
Reference: i4uue1hcfpejwqyl9e6r

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