ALTEN
Construction Planner
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Project Planner – Nuclear New Build Programme
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 and 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 Project Planner with a background in Mechanical or Electrical installation planning to support onsite construction activities within a major nuclear new build programme.
This is a highly operational planning role, working at the heart of site delivery to ensure installation activities are effectively coordinated, planned, and executed. You’ll work closely with Construction Managers, Site Supervisors, Engineering, Quality, and Quantity Surveying teams to develop short-term installation plans, monitor daily production performance, and remove barriers to progress.
If you enjoy being visible onsite, solving problems in real time, and driving construction productivity through effective planning and coordination, we’d like to hear from you.
Key Responsibilities
Planning & Coordination
- Develop and manage the Shift S+1 Installation Plan in collaboration with Construction Management, Site Supervision, Quality, and Engineering teams.
- Use Primavera P6 to support construction planning, scheduling, progress tracking, and forecasting activities.
- Ensure installation plans consider:
- Material availability
- Approved work packs
- Workforce availability
- Site constraints
- Lead Shift S+1 Validation Meetings and daily Shift Kick-Off Meetings.
- Support development and maintenance of the 16 Week Look Ahead (16WLA) schedule.
- Produce contingency and alternative work plans to minimise the impact of site disruptions and unexpected blockers.
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Site Delivery Support
- Conduct regular site walkdowns to monitor installation progress and identify constraints affecting productivity.
- Work closely with Construction Managers and Site Supervisors to resolve issues relating to:
- Access
- Materials
- Engineering queries
- Documentation
- Resource availability
- Ensure delivery teams are working to approved plans and agreed priorities.
- Maintain continuity of site activities through proactive planning and management of contingency work scopes.
- Liaise with Site Engineering and Design teams to support resolution of technical and field engineering issues.
Performance & Reporting
- Monitor daily productivity and progress against planned activities.
- Analyse planned vs. actual performance and identify trends impacting delivery.
- Track delays, lost time, and recurring blockers.
- Support the identification and classification of internal and external constraints.
- Work alongside Quantity Surveying teams to document external disruptions and support commercial assessments where required.
- Lead preparation of monthly construction progress reports, providing clear insights into:
- Site performance
- Risks
- Opportunities
Qualifications
Required Skills
✅ Proven experience in Project Planning, Installation Planning, Construction Coordination, or Site Production Planning. ✅ Strong working knowledge of Primavera P6. ✅ Experience supporting Mechanical and/or Electrical installation activities on major construction projects. ✅ Demonstratable experience working within large-scale infrastructure, energy, industrial, defence, or nuclear projects. ✅ Strong understanding of:
- Construction sequencing
- Site execution
- Short-term work planning ✅ Ability to work effectively with construction, engineering, quality, and project teams to drive productivity and resolve issues. ✅ Excellent communication, coordination, and stakeholder management skills. ✅ Proactive approach to problem-solving and continuous improvement.
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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 in nuclear, energy, or other highly regulated environments 🔹 Knowledge of construction reporting and performance analysis
Why Join ALTEN?
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 career development tailored to your goals. ✔ Join a passionate team and help build tomorrow, today.
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)
Our Commitments
🌍 Armed Forces Covenant – We proudly support 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 fair recruitment processes.
💡 Diversity & Inclusion – ALTEN is committed to fostering a diverse and inclusive workplace, valuing the strength of 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.
🔒 Security Clearance – This role may require a Security Clearance. As part of onboarding, candidates will be asked to complete a Baseline Personnel Security Standard (BPSS). If you cannot meet this requirement, your employment may be delayed or rejected. Details will be discussed during the interview.
Additional Information
📍 Contract Type: Permanent 📍 Region: South West UK
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