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AECOM Senior Estimator (Energy) in Cardiff, United Kingdom

Company Description

Work with Us. Change the World.

At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world’s most complex challenges and build legacies for future generations.

There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.

We're one global team driven by our common purpose to deliver a better world. Join us.

Job Description

At AECOM, we’re delivering a better world. We believe infrastructure creates opportunity for everyone. Whether it’s improving your commute, keeping the lights on, providing access to clean water or transforming skylines, our work helps people and communities thrive. Our clients trust us to bring together the best people, ideas, technical expertise and digital solutions to our work in transportation, buildings, water, the environment and new energy. We’re one global team – 47,000 strong – driven by a common purpose to deliver a better world. Here, you will have freedom to grow in a world of opportunity.

The role of a Senior Estimator will be taking responsibility for leading best practice estimation, often with respect to large and complex infrastructure commissions covering both private and public sector clients. Your role will be to ensure that client objectives are met through the delivery of a value-added estimation service.

You'll play a vital role in delivering Commercial/ Estimation commissions for our clients. The role will require the successful individual to be confident in liaising with and presenting to both clients and contractors. An attention to detail is essential, but with an ability to position commercial context around the detail that enables our clients to make wider, impactful business decisions is just as important.

The role will cover all aspects of the estimation process throughout the project from feasibility through to construction estimates and involve alignment with wider commercial functions such as assurance and intelligence.

The Commercial and estimation team is located across the UK and you will be based out of one of our regional offices to suite you such as London, Bristol, Birmingham, Cambridge, Edinburgh. You will provide Estimation Services across a wide range of sectors.

As a Senior Consultant, you will need to be flexible and able to adapt to different client requirements at short notice including working remotely, and happy to travel both throughout the UK and abroad in the pursuit of successful delivery. Travel may at times be frequent and could require time away from your base location.

Your responsibilities will include:

  • Development of the best in class estimation process and working with other sector leads and commercial leads in this space to enhance the offering around value optimisation.

  • Development of estimates and alignment with wider practices such as carbon and inherent risk etc for added value.

  • Able to lead the quantum assessment of projects and optioneering/ value engineering solutions.

  • Lead in the build up of rates based on known factors and aligned with market factors.

  • Support in the development of budgets, baselines and forecasts and in inherent risk and contingency development.

  • Identification of process improvement opportunities.

  • Interfacing and engagement with project staff including cost, commercial and controls.

  • Management of stakeholders and their expectations through regular communications.

  • Supporting the production of close-out reports.

  • Presentation of outputs and recommendations to clients and their supply chain.

  • Lead engagements when travelling to different sites/locations nationally and internationally.

  • Mentoring junior staff and upskilling both internal and external stakeholders in the arena of cost and commercial assurance.

Your knowledge, experience and skills need to include:

  • Demonstrated ability to lead a sector for estimation (energy, water, rail etc) would be highly desired.

  • Demonstrable experience of delivering service excellence to clients.

  • Excellent communication skills both verbal and written.

  • Experience in delivering cost and commercial activities.

  • Strong report writing and presentation skills.

  • Ability to work autonomously and in fast-paced environment, and able to adapt and meet challenges as they develop during the delivery stage

  • Strong interpersonal skills will be required to communicate with a variety of stakeholders with varying levels of seniority and engagement.

  • Achieve the highest standards of professional competence and to demonstrate this ability in all dealings with clients and professional contacts, reinforcing the profile of the company.

  • Drive performance standards and technical excellence through expert communication and effective use of the performance management process and AECOM technical practice networks.

  • Maintain and develop good relationships with clients, take every opportunity to uphold and increase the profile of the firm as a provider of professional, premium quality services to the construction industry.

  • Actively support the internal team and manage more junior staff on technically complex projects.

  • Be aware of and develop marketing opportunities and where appropriate bring to the attention of Directors and the Business Development Department, in order that they may assist in following up potential leads enabling the development of new business.



  • Good working knowledge of NEC3 and NEC4 suite of contracts and associated.

  • Experience of undertaking estimation as part of integrated, multi-organisation, collaborative teams.

  • Experience of working as part of a commercial process and delivery.

  • Strong report writing and presentation skills.

  • Experience of working within a client organisation, either directly or through a colocation/secondment arrangement.


  • A degree qualification in a relevant discipline.

  • Professional memberships are an advantage but are not essential.

  • Ability to obtain relevant security clearance is desired.

Additional Information


AECOM is the world’s trusted infrastructure consulting firm, delivering professional services throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. On projects spanning transportation, buildings, water, new energy and the environment, our public- and private-sector clients trust us to solve their most complex challenges. Our teams are driven by a common purpose to deliver a better world through our unrivaled technical and digital expertise, a culture of equity, diversity and inclusion, and a commitment to environmental, social and governance priorities. AECOM is a Fortune 500 firm and its Professional Services business had revenue of $14.4 billion in fiscal year 2023. See how we are delivering sustainable legacies for generations to come at aecom.com and @AECOM.

Freedom to Grow in a World of Opportunity

You will have the flexibility you need to do your best work with hybrid work options. Whether you’re working from an AECOM office, remote location or at a client site, you will be working in a dynamic environment where your integrity, entrepreneurial spirit and pioneering mindset are championed.

You will help us foster a culture of equity, diversity and inclusion – a safe and respectful workplace, where we invite everyone to bring their whole selves to work using their unique talents, backgrounds and expertise to create transformational outcomes for our clients.

AECOM provides a wide array of compensation and benefits programs to meet the diverse needs of our employees and their families. We also provide a robust global well-being program. We’re the world’s trusted global infrastructure firm, and we’re in this together – your growth and success are ours too.

Join us, and you’ll get all the benefits of being a part of a global, publicly traded firm – access to industry-leading technology and thinking and transformational work with big impact and work flexibility. As an Equal Opportunity Employer, we believe in each person’s potential, and we’ll help you reach yours.

All your information will be kept confidential according to EEO guidelines.

ReqID: J10106704

Business Line: B&P - Buildings & Places

Business Group: DCS

Strategic Business Unit: Europe & India

Career Area: Survey & Estimation

Work Location Model: Hybrid

Legal Entity: AECOM Limited