Let’s find your next opportunity
AI Assistant: {{ chat.assistant.message }}
{{meta?.totalCount}}
results found
Sort By
{{ job.job_posting_title
}}
{{ job.job_posting_title }}
{{ job.is_cms_job ? (job.cities.split(';').length > 1 ? 'Various locations' : job.location_mappings[0]) : (job.location_mappings.length > 1 ? 'Various locations' : job.location_mappings[0]) }}
We are sorry there are no jobs that match your exact criteria. Try a new search term, or use the filters to continue browsing for available opportunities.
Suggested roles matches
{{ job.title }}
{{ job.title }}
{{ [job.cities[0], job.regions[0], job.countries[0]].join(', ') }}
Various locations
We are sorry there are no jobs that match your exact criteria. Try a new search term, or use the filters to continue browsing for available opportunities.
Let’s find your next opportunity
{{ job.job_posting_title
}}
{{ job.job_posting_title }}
{{ job.is_cms_job ? (job.cities.split(';').length > 1 ? 'Various locations' : job.location_mappings[0]) : (job.location_mappings.length > 1 ? 'Various locations' : job.location_mappings[0]) }}
On this page
Cardiff, Wales, United Kingdom
Overview
AtkinsRéalis is a leading international consultancy, delivering complex, high-value programmes across the UK and Europe. We are recognised for our expertise in mission-critical infrastructure, innovation, and collaborative delivery across major projects. We are committed to fostering an inclusive, flexible, and high-performing working environment where our people can thrive. At AtkinsRéalis, we value individuality, support career progression, and empower our teams to deliver exceptional outcomes for our clients.
As part of our continued growth in Wales, we are seeking a Senior Managing Cost Manager with strong experience in advanced technology and data centre programmes, alongside broader infrastructure and built environment sectors. This is a key leadership role with responsibility for commercial oversight, client engagement, and team development, supporting the delivery of complex, cutting-edge projects across the region. You will play an integral role in strengthening our cost management capability, developing client relationships, and shaping the growth of our Wales business.
We welcome applications from candidates seeking full-time, part-time, or flexible working arrangements.
Your role
- Lead the delivery of cost and commercial management services across complex programmes, including data centres and mission-critical facilities.
- Provide strategic cost advice across the full project lifecycle, from feasibility through to final account.
- Act as a senior client interface, developing and maintaining trusted relationships with key stakeholders.
- Take ownership of project commercial performance, ensuring robust cost control, forecasting, and risk management.
- Support business development activities, including bids, proposals, and client presentations.
- Contribute to the growth of the Wales business, including capability development and team expansion.
- Collaborate across disciplines and regions to deliver integrated, value-driven solutions.
- Mentor and develop junior team members, fostering a high-performance and inclusive culture.
- Ensure consistent application of best practice, governance, and commercial processes.
- Promote the AtkinsRéalis Cost Management capability in the regional marketplace.
Our portfolio spans a diverse range of sectors, including:
- Advanced Technology & Data Centres.
- Energy & Net Zero Transition.
- Public Sector & Education.
- Commercial & Workplace.
- Defence & Infrastructure.
- Ports, Marine & Aviation.
- Manufacturing & Utilities
We are proud to support major investment programmes and transformational projects across Wales and the wider UK.
Location
Cardiff, Wales, United Kingdom
Job Type
Full time
Ref
R-158702
Salary range
-
Dwithi M
Hi there, I'm Dwithi M and I manage this role
About you
You will bring:
- Chartered status (MRICS or equivalent).
- Strong experience in cost management of complex, high-value projects, ideally including data centres or mission-critical environments.
- Proven ability to manage commercial delivery across pre- and post-contract stages.
- Experience in contract administration (e.g. NEC and/or standard UK forms).
- Demonstrated capability in client-facing roles and stakeholder management.
- A strong understanding of the Welsh and wider UK construction market.
- A track record in winning work and supporting business growth.
- Excellent commercial awareness, analytical skills, and attention to detail.
- Strong leadership, communication, and team development skills.
Why choose AtkinsRéalis?
Wherever you are in your career – and whoever you are – AtkinsRéalis is for you. Here, support and collaboration are a vibrant part of a culture that lets you choose where – and how far – your career can go. Take on projects that push boundaries and drive sustainable impact, surrounded by colleagues who believe there's no limit to how brilliant you can be. It's time to join a like-minded team where you'll be rewarded, supported, and free to be your kind of brilliant.
Rewards & benefits
Explore the rewards and benefits that help you thrive – at every stage of your life and your career. Enjoy competitive salaries, employee rewards and a brilliant range of benefits you can tailor to suit your own health, wellbeing, financial and lifestyle choices. Make the most of a myriad of opportunities for training and professional development to grow your skills and expertise. And combine our hybrid working culture and flexible holiday allowances to balance a great job and fulfilling personal life.
Make it brilliant, a career with AtkinsRéalis
Our supportive, collaborative culture inspires us as a global community every day.
Watch this short film and imagine what you could achieve here, too.
About AtkinsRéalis
We're AtkinsRéalis, a world-class engineering services and nuclear organization. We connect people, data and technology to transform the world's'infrastructure and energy systems. Together, with our industry partners and clients, and our global team of consultants, designers, engineers and project managers, we can change the world. We're committed to leading our clients across our various end markets to engineer a better future for our planet and its people.
Additional information
Security clearance
This role may require security clearance and offers of employment will be dependent on obtaining the relevant level of clearance. If this is necessary, it will be discussed with you at interview. The vetting process is delivered by United Kingdom Security Vetting (UKSV) and may require candidates to provide proof of residency in the UK of 5 years or longer. If applying to this role please do not make reference to (in conversation) or include in your application or CV, details of any current or previously held security clearance.
We are committed to creating a culture where everyone feels that they belong - a place where we can all be ourselves, thrive and develop to be the best we can be. So, we offer a range of family friendly, inclusive employment policies, flexible working arrangements and employee resource groups to support all employees. As an Equal Opportunities Employer, we value applications from all backgrounds, cultures and ability. As a Disability Confident Leader, we are committed to offering an interview to all applicants who have a disability and meet the essential criteria. If you would like to be considered under this commitment, please let us know at the application stage.
#LI-INFRASTRUCTURE | #LI-UK
Related jobs
Related blogs
Sam on turning climate science into practical decisions
Meet Sam, a Principal Climate Adaptation Consultant helping clients navigate climate risk with confidence.
Shaping sustainable impact at scale with Mania
Meet Mania, a sustainability leader turning bold ambitions into infrastructure that delivers lasting value for people, communities, and the environment.
It's a great time to build your career in Water
As Water Sector Lead at AtkinsRéalis, Mei leads projects focused on water resilience, environmental improvement and major water infrastructure programmes. Her work supports sustainable water management and long-term climate resilience.
AtkinsRéalis named among the 50 GREAT British Employers of Veterans
Proven commitment to those who’ve served, see how AtkinsRéalis supports Armed Forces talent beyond words.
It's about more than what we build
Meet Ellie and read how she turns infrastructure projects into real opportunities for people and communities.
International women in engineering day: from first step to leadership
Sometimes the biggest career shifts come from the smallest moments. For me, it started with a desk move that opened the door to something entirely new.
Tomasz on building a squiggly career in International Urban Development Advisory
Meet Tomasz and discover how embracing new opportunities can shape a truly global career path.
From music technology to acoustic consulting: Amy on building a career in environment digital
Discover how Amy is turning technical knowledge into real-world impact through acoustics and digital solutions.
25 years in flood risk: Tony on building a career at the intersection of science and infrastructure
Discover Tony’s journey from graduate to Associate Director, read how he’s built a career protecting communities from flood risk.
From Aberdeen to Air Quality and Carbon: Bhajan on building a dual role in Environment
Meet Bhajan, an environmental consultant stepping across air quality and carbon, and discover how he’s driving real sustainability impact.
From Lake District tarns to highway runoff analysis: Maisie on starting a career in water quality
Meet Maisie, a Junior Environmental Scientist at AtkinsRéalis, and read how her Lake District upbringing shaped her path into water quality and environmental protection.
30 years in water: Brian on following the interesting problems
Meet Brian, a Technical Director whose career at AtkinsRéalis evolved by following the toughest environmental problems and solving them.