Project Planner - Nuclear

ALTEN is a global engineering and technology consultancy operating across over 35 countries worldwide. We partner with industry leaders across sectors including Aeronautics, Aerospace, Defence, Naval, Automotive, Energy, Rail, IT and many more to deliver innovative engineering solutions that drive technological advancement & support sustainable transformation.

Our teams of passionate and agile engineers work on cutting-edge projects that shape the future of technology and sustainability. At ALTEN, we empower talented engineers to innovate, solve complex challenges, and deliver impactful solutions that build tomorrow’s world—today.

Join us and start building tomorrow’s world today!

We are looking for an experienced Construction Planning & Coordination Lead to support installation planning and onsite production activities on a nuclear site. This role will focus on coordinating daily installation work, ensuring teams follow validated plans, and maintaining productivity across a complex nuclear construction environment.

You will work closely with Construction Management, Site Supervision (Black Hats), Quality, and Site Engineering teams, using Primavera P6 to support planning, scheduling, and progress tracking of installation activities.

Key Responsibilities

Planning & Coordination

• Build the Shift S+1 Installation Plan through coordination with Construction Management, Site Supervision (Black Hats), Quality, and Site Engineering
• Use Primavera P6 to support construction planning, scheduling, and progress monitoring
• Ensure planning considers building restrictions, material availability, approved workpacks, and workforce resource availability
• Lead the Shift S+1 Validation Meeting and the daily Shift Kick-off Meeting
• Contribute to updates of the 16 Week Look Ahead (16WLA) planning schedule
• Prepare and maintain contingency “backup work” plans to mitigate unexpected blockers

On-site Production Monitoring

• Conduct daily site walks to monitor installation execution and identify blockers (access constraints, material availability, documentation issues, workforce limitations)
• Coordinate closely with Black Hats, Construction Managers, and site teams to resolve issues quickly and minimise productivity losses
• Ensure the workforce adheres to the validated Shift S+1 Plan and does not deviate without justified reasons
• Maintain contingency work plans to ensure continuity of site activities when planned work becomes blocked
• Interface with Site Engineering and the Design Back Office to support resolution of field engineering constraints

Performance Analysis & Reporting

• Monitor and analyse daily production output (planned vs actual)
• Track lost time, productivity trends, and recurring blockers
• Categorise issues as internal or external blockers and support resolution
• Work with the Contract Quantity Surveyor (QS) to document external stoppages and assess claimability
• Lead preparation of the Onsite Construction Monthly Progress Report, ensuring clear reporting of site progress and performance

Required Skills:

• Strong experience using Primavera P6 for construction planning and scheduling
• Experience in construction coordination, installation planning, or site production management
• Experience working on large-scale infrastructure or nuclear construction projects
• Strong understanding of construction planning processes and site execution
• Experience working closely with construction supervision, engineering, and quality teams
• Ability to identify blockers quickly and drive solutions to maintain productivity

Required Qualifications:

• A Bachelor’s or Master’s degree in Engineering, or equivalent military experience.

Desirable Skills:

• Experience working on nuclear new build projects
• Familiarity with 16 Week Look Ahead planning (16WLA)
• Experience within nuclear, energy, or other highly regulated environments
• Experience supporting construction reporting and performance analysis

Why join us? 

We bring together entrepreneurial, tech-driven people to deliver innovative solutions for leading companies.

At ALTEN, you’ll work on exciting projects, supported by ongoing learning, mentoring, and clear career development tailored to your goals.

Join a passionate team and help build tomorrow, today.

In short you get: 

• A personalised career path and a rewarding management style 
• A huge diversity of engineering projects and industries
• Private Medical Insurance
• Cycle & Tech Scheme 
• Employee assistance programme
• Life insurance & Pension Scheme
• Social atmosphere, regular gatherings & team buildings
• Flexible way of working (role dependent)

We are proud to support the Armed Forces Covenant & actively encourage applications from members of the Armed Forces community, including veterans, reservists, service leavers, and military spouses/partners. We recognise the value of military skills and experience and are committed to ensuring that no applicant is unfairly disadvantaged during our recruitment and selection processes. 

ALTEN is committed to fostering a diverse and inclusive workplace and values the strength that comes from a global mix of backgrounds and perspectives. We welcome applications from all suitably qualified candidates, regardless of background or protected characteristics under the Equality Act 2010. If you require any reasonable adjustments during the recruitment process, please let us know. 

This role may require you to have or be willing to go through Security Clearance. As part of the onboarding process candidates will be asked to complete a Baseline Personnel Security Standard; details of the evidence required to apply may be found on the government website Gov.UK. If you are unable to meet this and any associated criteria, then your employment may be delayed, or rejected . Details of this will be discussed with you at interview.