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360 Resourcing Solutions Logo 360 Resourcing Solutions · Construction

Senior Mechanical Estimator

United Kingdom, Castleford Employment contract 50000.00 - 60000.00 GBP / Year · Job Posted May 04, 2026
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Job Description

Sigma are experts at transforming commercial space. With over 20 years’ experience operating in the fast-paced and dynamic retail sector, Sigma provide a true end-to-end service; from store construction and consolidation to fixture procurement, projects, and mechanical & electrical installation. Ranked in the top 10% of the 2019 Sunday Times International FastTrack 200 awards, we’ve been acknowledged as being one of Britain’s fastest growing private companies.

Job Responsibility

  • Prepare detailed project cost estimates, material take-offs, and cost breakdowns
  • Review supplier and subcontractor quotations for accuracy and compliance
  • Support the tender process, including bid preparation, coordination, and handover to project teams
  • Analyse market rates, benchmark data, and project risks to ensure competitive and accurate pricing
  • Collaborate with internal teams and external partners to maintain strong commercial relationships
  • Drive continuous improvement within the estimating function

Requirements

  • Prepare detailed project cost estimates, material take-offs, and cost breakdowns
  • Review supplier and subcontractor quotations for accuracy and compliance
  • Support the tender process, including bid preparation, coordination, and handover to project teams
  • Analyse market rates, benchmark data, and project risks to ensure competitive and accurate pricing
  • Collaborate with internal teams and external partners to maintain strong commercial relationships
  • Drive continuous improvement within the estimating function

Nice to have

  • HNC/BTEC in Construction or Mechanical Engineering desirable
  • Degree or chartership advantageous

What we offer

  • 25 days holiday plus bank holidays
  • A day’s ‘birthday leave’ to be taken within your birthday month
  • Opportunity to buy or sell up to 3 days holiday
  • Opportunity for hybrid working
  • Ability to participate in the Octopus EV salary sacrifice scheme
  • Ability to participate in the Cycle to Work Scheme
  • Employee Assistance Programme
  • Healthshield cash plan with discounts on high street stores
  • Free external financial advice – offering support for mortgages, pensions and insurances
  • Enhanced family friendly pay
  • Free tea, coffee and fruit on all sites
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