Senior Estimator

Assystem is an international company with one mission: accelerate the energy transition around the world.

Every day, our 7,500 switchers located in 12 countries (Europe, Middle East, Pacific Asia & Africa) connect their six thousand billion neurons to tackle the task of the century: switching to low-carbon energy.

We are a collective committed to the actors who are making the energy switch. Sharing our knowledge, expertise and values allows us to innovate and think differently about the energy transition.

Drawing on more than 55 years' experience in highly regulated sectors subject to strict security and safety requirements, we provide our customers with engineering and project management services, as well as digital services and solutions to optimize the performance of complex infrastructure projects throughout their life cycle. The Group is currently ranked third in the world for nuclear engineering.

To ensure a viable, efficient, and reliable energy future for all

Your Mission:

Location: Glasgow

Type: Full Time

Are you an experienced Construction Estimator who thrives on diving into the details—from first shovel in the ground to final handover? We're looking for someone who's confident pricing all aspects of construction, with a sharp focus on Mechanical & Electrical (M&E) works.

Join our team and play a key role in building accurate, client-focused cost estimates that drive project success

What You'll Do:

Work hand-in-hand with Project Managers to prepare detailed, data-driven cost estimates.

Absorb technical documentation quickly and translate it into actionable insights.

Estimate material, labour, and plant requirements across all project stages.

Produce and check quantities to support competitive and value-driven pricing.

Build client-friendly Work Breakdown Structures (WBS) from complex scopes.

Benchmark costs and track market rates to inform pricing strategy.

Collaborate with Project Controls, Planning, and Commercial teams for estimate validation and governance.

Monitor project costs throughout delivery, providing regular updates to stakeholders.

Maintain and update benchmarking data for future use and continuous improvement.

What You Bring:

Solid experience in estimating across construction projects, especially M&E packages.

Strong analytical skills and a fast learner when it comes to technical documentation.

Proficiency with estimating software/tools and Excel.

Excellent communication skills and a collaborative mindset.

Familiarity with project governance frameworks and control procedures. 

The skills we will be looking for:

What You Bring:

Strong background in M&E construction estimating (ideally 5+ years' experience).

Excellent analytical skills with a sharp eye for detail.

Ability to juggle multiple deadlines and stay organised under pressure.

Good communication, presentation, and reporting skills.

Proactive and self-driven—you take ownership and make things happen.

Strong IT skills, particularly in Excel and estimating tools.

Additional Information

Due to the nature of this role the successful candidate will require Security clearance. To gain this they will be required to be a Sole UK national,  Hybrid working from home/Assystem Office

Benefits include:

• Pension scheme (8% company contribution / 4% personal contribution)
• 25 days' paid annual leave + bank holidays + option to buy or sell days
• Professional fees reimbursed
• Flexible working
• Employee referral scheme

Hybrid working -  2 or 3 days/fortnight in the Client's Glasgow City Centre office

Sole UK National, SC clearance required to start 

Umbrella contractor or staff

 

We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people's ability to dare are the only things that matter . Bring your unique contributions and help us shape the future.