Senior Estimator

Arcadis; Greater London; On-site; GBP 70,000 - 100,000; Full time

Job summary

Arcadis is seeking a Senior Estimator to lead detailed electrical, mechanical and MEP cost estimates for complex capital projects across onshore and offshore programmes. You will develop estimating strategy, lead CBS/WBS alignment, and coordinate inputs from multi-disciplinary teams.

Responsibilities include preparing cost models, benchmark analyses, reviewing contractor pricing, and presenting outcomes to senior stakeholders. Strong knowledge of CESMM4/ICMS and cost assurance is essential.

Qualifications

• Significant experience in electrical, mechanical or MEP estimating.
• Demonstrable experience producing estimates for large and complex capital programmes.
• Strong understanding of CBS and WBS development and integration.
• Working knowledge of CESMM4, ICMS2 and ICMS3 estimating and cost classification methodologies.
• Experience in sectors such as Nuclear, Defence, Energy, Utilities, Transportation or Buildings.
• Strong understanding of cost planning, risk analysis and benchmarking techniques.
• Experience reviewing contractor pricing and commercial submissions.
• Strong stakeholder management, leadership and technical review capabilities.
• Experience with CostX, Candy, Excel, Power BI
• Benchmarking databases
• Risk and uncertainty modelling
• Quantity take-off
• Cost planning and cost assurance

Responsibilities

• Develop and maintain project Cost Breakdown Structures (CBS) and ensure alignment with clients programme Work Breakdown Structures (WBS).
• Lead the development of detailed Electrical and Mechanical estimates from concept through to detailed design.
• Apply Recognised cost classification and measurement standards CESMM4, ICMS2 and ICMS3.
• Prepare quantities, cost models, benchmark analyses and estimating reports.
• Develop estimate basis documents, registers, productivity models and benchmarking analysis.
• Coordinate multidisciplinary estimating inputs from civil, structural, mechanical, electrical and process disciplines.
• Support estimating activities for major infrastructure, nuclear, defence, energy, utilities, industrial, offshore and onshore projects.
• Review contractor quotations and assess value engineering opportunities.
• Support cost assurance and estimate validation exercises.
• Mentor and coach junior and intermediate estimators.
• Present estimate outcomes to clients and senior stakeholders.
• Ensure compliance with Arcadis estimating standards, governance and quality procedures.
• Support business development and client relationship activities.

Skills

Electrical estimation

Mechanical estimation

MEP estimating

CBS & WBS development

Cost planning

Risk analysis

Benchmarking

Contractor pricing review

Stakeholder management

Leadership

Technical review

Tools

CostX

Candy

Excel

Power BI

Job description

Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets. We are more than 34,000 people, in over 30 countries, dedicated to improving quality of life. Everyone has an important role to play. With the power of many curious minds, together we can solve the world’s most complex challenges and deliver more impact together.

Role Description:

Working as part of a multidisciplinary estimating team, the Senior Estimator is responsible for the preparation, review and assurance of detailed electrical and mechanical cost estimates, including associated indirect costs, allowances, risks and opportunities.

The role maintains clear audit trails of estimating assumptions, methodologies, benchmarks and source data to support estimate transparency and confidence in decision making.

You will be responsible for leading the development and delivery of robust, accurate and risk informed capital cost estimates for complex multidisciplinary engineering and construction projects. The role focuses on electrical, mechanical and MEP systems across the full project lifecycle, from concept and feasibility through to detailed design and delivery, supporting both onshore and offshore programmes.

You will develop and own the estimating strategy and estimate execution plan, coordinates inputs from engineering, commercial and project controls teams, and ensures that estimates are prepared in accordance with Arcadis methodologies, governance requirements and industry best practice and recognised estimating standards including CESMM4, ICMS2 and ICMS3.

You will provide technical leadership during estimate reviews, supports independent assurance activities, and presents estimate outcomes and key cost drivers to estimating leadership, project stakeholders and senior management.

Key Responsibilities:

• Develop and maintain project Cost Breakdown Structures (CBS) and ensure alignment with clients programme Work Breakdown Structures (WBS).
• Lead the development of detailed Electrical and Mechanical estimates from concept through to detailed design.
• Apply Recognised cost classification and measurement standards CESMM4, ICMS2 and ICMS3.
• Prepare quantities, cost models, benchmark analyses and estimating reports.
• Develop estimate basis documents, registers, productivity models and benchmarking analysis.
• Coordinate multidisciplinary estimating inputs from civil, structural, mechanical, electrical and process disciplines.
• Support estimating activities for major infrastructure, nuclear, defence, energy, utilities, industrial, offshore and onshore projects.
• Review contractor quotations and assess value engineering opportunities.
• Support cost assurance and estimate validation exercises.
• Mentor and coach junior and intermediate estimators.
• Present estimate outcomes to clients and senior stakeholders.
• Ensure compliance with Arcadis estimating standards, governance and quality procedures.
• Support business development and client relationship activities.

Qualifications & Experience:

• Significant experience in electrical, mechanical or MEP estimating.
• Demonstrable experience producing estimates for large and complex capital programmes.
• Strong understand of CBS and WBS development and integration.
• Working knowledge of CESMM4, ICMS2 and ICMS3 estimating and cost classification methodologies.
• Experience in sectors such as Nuclear, Defence, Energy, Utilities, Transportation or Buildings.
• Strong understanding of cost planning, risk analysis and benchmarking techniques.
• Experience reviewing contractor pricing and commercial submissions.
• Strong stakeholder management, leadership and technical review capabilities.
• Experience with CostX, Candy, Excel, Power BI
• Benchmarking databases
• Risk and uncertainty modelling
• Quantity take-off
• Cost planning and cost assurance

Why Arcadis?

We can only achieve our goals when everyone is empowered to be their best. We believe everyone's contribution matters. It’s why we are pioneering a skills-based approach, where you can harness your unique experience and expertise to carve your career path and maximize the impact we can make together.

You’ll do meaningful work, and no matter what role, you’ll be helping to deliver sustainable solutions for a more prosperous planet. Make your mark, on your career, your colleagues, your clients, your life and the world around you.

Together, we can create a lasting legacy.

Join Arcadis. Create a Legacy.

Our Commitment to Equality, Diversity, Inclusion & Belonging

We want you to be able to bring your best self to work every day which is why we take equality and inclusion seriously and hold ourselves to account for our actions. Our ambition is to be an employer of choice and provide a great place to work for all our people. We believe that by working together diverse people with different experiences develop the most innovative ideas. Equality, diversity and inclusion is at the heart of how we improve quality of life and we work closely with our people across six ED&I Workstreams: Age, Disability, Faith, Gender, LGBT+ and Race. A diverse and skilled workforce is essential to our success.