Estimator
Trant Engineering Ltd
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Benefits offered by this job
Job summary
Trant Engineering Ltd in Southampton is seeking an experienced Estimator to join our Estimating department and support bid submissions for process and water sector projects. You will prepare electrical and ICA cost estimates, develop scope of work, review procurement pricing, and collaborate with engineers, commercial teams and project delivery to ensure accurate forecasting.
We value technical capability, strong numerical skills, and ability to manage multiple tasks under pressure; hybrid
Qualifications
- Essential engineering or related degree or equivalent experience.
- Demonstrated estimating experience in engineering, construction, or infrastructure.
- Knowledge of process/waste water treatment technologies.
- Strong numerical and analytical skills.
- Ability to manage multiple tasks under pressure and communicate clearly.
Responsibilities
- Prepare electrical and ICA cost estimates for tenders in the process and water sector.
- Develop scope of work, procurement packages and constructability considerations.
- Create single line diagrams and perform analyses using Amtech/Trimble.
- Define work packages and adjudicate procurement quotes.
- Prepare estimates using RIB Candy and update risk registers.
- Collaborate with engineers, commercial teams and project delivery for accurate forecasts.
Skills
Education
Tools
Job description
Trant Engineering is a leading EPC contractor with a strong reputation for delivering innovative engineering solutions across the UK and internationally. With over 1,000 employees and a £150m turnover, we’re growing and now looking for an experienced Estimator to play a key role in our project delivery teams.
27 November 2026
Estimating
Southampton
As an Estimator you’ll be responsible for preparing accurate and competitive electrical and ICA cost estimates for the process and water sector tenders. Working closely with other estimating disciplines, technical designers, commercial, and project teams, the Electrical Estimator provides experienced technical knowledge to the team and supports bid submissions to ensure project costs are accurately forecast and aligned with delivery requirements.
- 1) Estimating & Bid Support
- Attendance at site visits as required. With a focus on all electrical and ICA elements of the site to develop an understanding of the existing treatment process, controls philosophy and understand present constraints.
- Input into and presentation of the scope of work to the wider bid and project delivery teams. Including; proposed technical solution, key procurement packages and constructability considerations/risks.
- Prepare, in conjunction with other estimating disciplines, detailed electrical and ICA cost estimates for tenders within the Process and Water sector.
- Prepare single line diagrams and analyse using Amtech/Trimble software.
- Prepare load, cable, instrumentation, IO schedules, or cable containment methods.
- Define work and supply packages and adjudication of procurement quotes received.
- Preparation and pricing of the cost estimate using RIB Candy estimating software.
- Identify risks associated with the project and capture in a risk register.
- Provide input to the tender programme with consideration of constructability, sequencing of work, durations of tasks, testing and commissioning requirements while ensuring process compliance (i.e. temporary works) throughout construction.
- Collaborate with engineers, project managers, and technical leads to ensure the scope is fully understood and all known assumptions and clarifications are captured.
- Support bid preparation by providing clear pricing input, cost narratives, and contribution to the technical solution report.
- 2) Commercial & Risk Management
- Identify, quantify, and communicate risks and opportunities associated with project costs.
- Assist in margin analysis and bid strategy discussions.
- Maintain clear records of estimates, assumptions, and historical cost data.
- 3) Stakeholder Coordination
- Work closely with the Estimating Manager, Senior Estimators, and Bid Teams to align estimates with bid strategy.
- Coordinate with procurement and supply chain to obtain accurate material and subcontractor pricing.
- Support project teams during pre-construction and early delivery stages to provide cost input.
- 4) Process & Knowledge Management
- Maintain and update cost databases, benchmarks, and templates.
- Contribute to process improvements in estimating and bid preparation.
- Capture lessons learned from completed projects and bids to improve future estimating accuracy.
- 5) Core Values
- Uphold and promote the Company’s Core Values – Care, Trust, Respect and Sustainability.
Essential
- HNC/HND or Degree in Engineering, Quantity Surveying, or a related discipline (or equivalent experience).
- Experience as an Estimator in engineering, construction, or infrastructure projects.
- Understanding of Process (waste water) and/or Water (drinking water) treatment processes and technologies.
- Strong numerical and analytical skills.
- Ability to work under pressure and manage multiple concurrent tasks.
- Good communication and stakeholder engagement skills.
Desirable
- Professional membership (e.g., MIET, IET, RICS)
- Experience working on framework contracts and multi-site projects.
- Knowledge of NEC or other standard forms of contract.
- Familiarity with estimating software (Candy/Conquest/Causeway).
At Trant Engineering, we deliver complex, high-value engineering and construction projects across the UK. From process and water treatment to energy infrastructure upgrades, we play a key role in delivering and protecting critical national infrastructure – shaping the systems that communities and industries rely on every day.
Our teams design and deliver full EPC solutions, combining technical excellence with practical, hands‑on delivery. We offer end‑to‑end capabilities – from concept and design through to manufacturing, construction and commissioning utilising a continually evolving in‑house expertise. This means you’ll work on projects that are varied, challenging and genuinely impactful.
Our multi-disciplinary teams bring together specialists in civil, mechanical, electrical, process, instrumentation, and control & automation engineering, alongside our in‑house manufacturing of control panels, MCCs, PLCs and SCADA systems. With over 1,000 people and a strong, growing pipeline of work, it’s an exciting time to join Trant. We are committed to helping our people succeed through our Career Development Association, providing structured support, mentoring and clear pathways to help you reach your full potential.
Whether you’re starting out or looking to take your next career step, Trant offers the chance to develop, progress and make a real difference.
- Competitive salary.
- Company car or car allowance (some levels.)
- Mentored support within our ‘Career Development Association’, to work towards chartership.
- 24 days holiday (increasing with service) + 8 bank holidays.
- Options to buy additional holiday via salary sacrifice.
- Company Pension Scheme.
- Flexible working based on a ‘core hours’ system.
- 1 x Professional Membership paid annually.
- Hybrid working.
- Employee assistance program.
- Free onsite parking.
- Bike to Work scheme.
- Discretionary annual bonus.
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