Company Description 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! Job Description We are seeking an experienced Construction Planner to support the planning, scheduling, programme controls, and contract management activities for major nuclear infrastructure projects. This role requires a strong understanding of project planning and controls, including programme baseline management, earned value analysis, contract variations, NEC contract administration, and schedule performance reporting. You will work closely with Project Managers, Commercial Managers, Engineering teams, and Project Controls professionals to ensure robust project delivery and governance. Key Responsibilities Develop and maintain integrated project schedules using Primavera P 6. Establish and maintain programme baselines throughout the project lifecycle. Monitor project performance against approved baselines. Perform Earned Value Management (EVM) analysis and reporting. Track schedule and cost performance metrics. Support management of compensation events, change control, variations, and programme impacts under NEC contracts. Analyse critical paths, float consumption, and schedule risks. Produce programme dashboards, KPIs, and executive reports. Manage resource loading, forecasting, and capacity planning. Work collaboratively with engineering, procurement, construction, and commissioning teams. Support risk reviews, mitigation planning, and recovery schedules. Ensure programme governance aligns with nuclear quality and regulatory requirements. Qualifications Required Skills: 5+ years' experience as a Planner, Senior Planner, Project Controls Planner, or Construction Planner. Strong experience with Primavera P 6. Experience delivering projects within Nuclear, Defence, Energy, Utilities, Rail, or Major Infrastructure sectors. Experience managing schedule baselines and programme controls. Strong understanding of Earned Value Management (EVM). Experience with change management and variation control. Ability to perform schedule analysis and critical path assessments. Experience producing management information and executive-level reports. Strong stakeholder management skills. Required Qualifications: A Bachelor’s or Master’s degree in Engineering, or equivalent military experience. Desirable Skills: NEC3 or NEC4 contract experience. Experience assessing programme impacts associated with compensation events. Knowledge of Variation Requests (VARs) and change approval processes. Experience managing baseline revisions and programme governance. Understanding of construction execution, commissioning, and engineering workflows. Nuclear new build, decommissioning, SMR, or regulated industry experience. Additional Information 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 20 10. 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. Contract Type: Permanent Region: South West UK