Mechanical Engineering Estimator | Nuclear

Baker Street Recruitment; Bristol; On-site; GBP 45,000 - 65,000; Full time

Job summary

Baker Street Recruitment is seeking a Mechanical Estimator to develop detailed cost estimates for mechanical engineering packages, supporting tender submissions and early project definition. You will work closely with engineering, procurement, and delivery teams to align estimates with scope and commercial objectives.

The role is based in Bristol with periodic travel to North Wales, offering exposure to high-integrity nuclear and industrial projects in a technically rigorous environment and a

Qualifications

• Degree, HNC or HND in Mechanical Engineering or related discipline.
• Proven experience in estimating in mechanical engineering, MEP, or industrial projects.
• Understanding of mechanical systems such as pipework, fabrication, or process plant.
• Ability to interpret engineering drawings and technical specifications.
• Commercial awareness and a structured, analytical approach.
• Proficiency in Excel and estimating tools.
• Experience within nuclear, energy, or other highly regulated sectors.
• Knowledge of relevant codes and standards (e.g. ASME, RCC-M).
• Familiarity with NEC or similar forms of contract.
• Exposure to modularisation or offsite manufacturing.

Responsibilities

• Prepare detailed cost estimates covering materials, labour, fabrication, installation, and subcontract packages.
• Interpret technical drawings, specifications, and scope documentation within a regulated environment.
• Engage with internal stakeholders to validate scope, methodologies, and assumptions.
• Source and evaluate supplier and subcontractor quotations.
• Identify commercial risks, cost drivers, and value engineering opportunities.
• Support the preparation of tender submissions, pricing schedules, and clarifications.
• Maintain and develop cost databases and benchmarking tools.
• Attend site visits and pre-tender meetings where required.

Skills

Estimating experience

Mechanical systems knowledge

Engineering drawings interpretation

Analytical approach

Excel proficiency

Estimating tools

Nuclear / regulated sector exposure

NEC contract familiarity

Modularisation / offsite

Commercial awareness

Education

Degree, HNC or HND in Mechanical Engineering or related

Tools

Excel

Estimating tools

Job description

Bristol, United Kingdom | Posted on 17/04/2026

Location: Bristol (with intermittent travel to NorthWales)

Salary: Competitive, dependent on experience

Job Type: Full-time, Permanent

Start Date: ASAP

To be considered for this role you need to already be based in the UK.

Overview

Baker Street Recruitment is working in partnership with aleading engineering contractor operating within the UK nuclear sector. Ourclient delivers complex, high-integrity engineering solutions across majorinfrastructure programmes and is continuing to expand its UK capability.

We are seeking a Mechanical Engineering Estimator to supportthe preparation of accurate, commercially sound cost estimates across aportfolio of nuclear and industrial projects. This is an opportunity to workwithin a technically rigorous environment, contributing to projects that arecritical to the UK’s long-term energy strategy.

The Role

You will be responsible for developing detailed costestimates for mechanical engineering packages, supporting tender submissions,and early project definition. The role requires close collaboration withengineering, procurement, and delivery teams to ensure estimates are alignedwith technical scope, programme requirements, and commercial objectives.

The position is primarily based in Bristol, with periodictravel to North Wales to support project and manufacturing interfaces.

Key Responsibilities

• Preparedetailed cost estimates covering materials, labour, fabrication,installation, and subcontract packages
• Interprettechnical drawings, specifications, and scope documentation within aregulated environment
• Engagewith internal stakeholders to validate scope, methodologies, andassumptions
• Sourceand evaluate supplier and subcontractor quotations
• Identifycommercial risks, cost drivers, and value engineering opportunities
• Supportthe preparation of tender submissions, pricing schedules, andclarifications
• Maintainand develop cost databases and benchmarking tools
• Attendsite visits and pre-tender meetings where required

Requirements

• Degree,HNC or HND in Mechanical Engineering or a related discipline
• Provenexperience in an estimating role within mechanical engineering, MEP, orindustrial projects
• Understandingof mechanical systems such as pipework, fabrication, or process plant
• Abilityto interpret engineering drawings and technical specifications
• Commercialawareness and a structured, analytical approach
• Proficiencyin Excel and estimating tools
• Experiencewithin nuclear, energy, or other highly regulated sectors
• Knowledgeof relevant codes and standards (e.g. ASME, RCC-M)
• Familiaritywith NEC or similar forms of contract
• Exposureto modularisation or offsite manufacturing

• Opportunityto work on high-value, technically complex infrastructure projects
• Exposureto full project lifecycle within an engineering and delivery environment
• Cleargrowth trajectory within a sector aligned to net zero and energy security
• Flexibleworking environment with a balance of office and project exposure