Number of Roles: 1 | Division: M&E | Location: Castleford 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. It’s our people that make us who we are, and we are proud to have some of the most experienced, knowledgeable, passionate, and dedicated individuals within our industry, at every level in our business. Sigma is committed to creating a diverse environment and is proud to be an equal opportunities employer. our business. Outline of role As a key member of the Sigma M&E Division, the Mechanical Estimator plays a vital role in helping us win profitable and competitive tenders. You’ll use your technical expertise, market insight, and commercial awareness to develop accurate cost estimates that reflect true project value, ensuring Sigma M&E is always positioned to succeed in a competitive marketplace. Your work directly contributes to the business’s growth and reputation, supporting our mission to deliver high-quality, innovative, and cost-effective M&E solutions for our clients. Main responsibilities 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. Knowledge and skills required A minimum of 5 years spent in a similar capacity within the construction industry, ideally with a Mechanical contractor. Good sound knowledge of Mechanical specification and materials. Technical knowhow of M&E design elements and construction principles. Ability to interpret preliminaries, specifications, drawings, schedule of works, Bill of Quantities and Contract Documents. Preferred background in retail M&E, although not essential. Technical Skills: Proficient in preparing mechanical estimates, interpreting specifications and drawings, and applying benchmark cost data. Behavioural Skills: Effective communicator, proactive problem-solver, adaptable under pressure. Digital Skills: Competent in Excel, Word, and relevant estimating software. Qualifications GCSEs (or equivalent) in English and Maths required HNC/BTEC in Construction or Mechanical Engineering desirable Degree or chartership advantageous Benefits: 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 * Subject to eligibility Opportunity to be involved with Group Colleague Board Quarterly Corporate Events/Charity Involvement Sigma is committed to providing colleagues with opportunities to progress their career, supported by a range of training and development activities and interventions’ If you think you’ve got what it takes to join our growing, winning team we’d love you to hear from you.