Cost Engineer - Nuclear

Company Description

Are you passionate about engineering? Do you want to make a difference?  

You could be one of our 54k+ colleagues in over 30 countries working on inspiring projects in the most innovative companies.  

Join us and start building tomorrow’s world today!

Job Description

What will you be doing?

ALTEN UK is seeking an experienced Cost Engineer to support the delivery of complex and high-value projects within the Nuclear and Energy sectors. You will play a key role in ensuring accurate cost control, forecasting, and reporting across defined project scopes, working closely with Project Controls Managers, planners, commercial teams, and Work Package Managers.

Your Main Responsibilities Will Be:

• Maintain and update project budgets, forecasts, and commitments
• Track and validate actual costs, accruals, and variances
• Support change control processes and assess cost impacts
• Prepare monthly cost reports, dashboards, and sponsor reporting
• Collaborate with Work Package Managers to compile Monthly Project Reviews (MPRs)
• Provide analysis to support KPIs, performance monitoring, and continuous improvement
• Contribute to the development and enhancement of cost systems, tools, and processes
• Engage proactively with stakeholders to ensure cost data integrity and alignment with schedules

You Are...

• Detail-oriented and accountable, with a strong sense of ownership
• Collaborative and communicative, able to work effectively across teams
• Passionate about accuracy, efficiency, and continuous improvement
• Proactive, analytical, and solution-focused

Qualifications

Qualifications

Experience, Skills And Qualifications Required:

• 4–8 years of experience in cost engineering, project controls, or a related discipline
• Proven knowledge of cost control, budgeting, and change management
• Advanced proficiency in Excel, Power Query, and data analysis tools
• Experience in large, complex projects ideally within infrastructure, energy, or nuclear sectors
• Familiarity with ERP/project controls software (e.g., SAP, EcoSys, Primavera)
• Strong stakeholder engagement and communication skills

Desirable:

• Experience with NEC contracts (Option C) and associated reporting
• Knowledge of commercial processes (NEC/FIDIC)
• Formal training in cost control, estimating, or forecasting
• Progress toward professional accreditation (RICS, APM, CICES, PMI, or similar)

Additional Information

Why Join Us?

We foster a community of dually talented individuals who are both entrepreneurs and technology specialists. Our teams embody the spirit of innovation and entrepreneurship, enabling us to develop solutions most efficiently. 

Our commitment to sustainable growth is unwavering, and we continuously strive for accelerated transformation and continuous improvement. Through ALTEN labs, mentoring programs, internal universities, and more, we are always pushing boundaries and embracing new possibilities. 

We offer incredible opportunities to join inspiring projects in the most innovative companies. 

We prioritise your career development with personalised support plans tailored to your own aspirations. We're here to empower you and help you reach your full potential. 

Join our passionate team and start building tomorrow, today! 

In Short You Get:

• A personalised career path and a rewarding management style 
• A chance to work on the most exciting engineering projects and technologies along with Premium Customers
• A huge diversity of engineering projects and industries
• A competitive salary
• Private Medical & Travel Insurance
• Pension Scheme
• Cycle-to-work Scheme among many additional benefits
• Social atmosphere, regular gatherings, and team buildings
• Flexible way of working (role dependent)