Senior Planner

Finding solutions to climate change is the priority of the 21st century, and means switching to low-carbon energy. At Assystem, our mission is to accelerate the energy transition worldwide. To achieve this, our 7,500 Switchers combine their historical engineering expertise and project management with digital technologies.

Assystem, a leading provider of project management, design engineering & construction supervision services within the nuclear industry, has aligned its own strategy to support this switch to low-carbon energy, whilst also recognising transport and infrastructure systems to be a major factor in influencing the outcome of government policy.

Based on these solid foundations, our team continues to build on its existing capability and has ambitious plans to develop its reach within both the transport & infrastructure sectors and through the additional opportunities offered via the Assystem network within the nuclear sector.

Our objectives will ultimately be defined by our ability to attract and retain those talented individuals who share our vision and wish to join us in shaping the future.

Assystem Energy & Infrastructure are recruiting for a dynamic, self-motivated Senior Planner to join our Gatwick Team. Reporting into the PMO Manager, you be working in a hybrid role, 3 days a week based on site at our client offices at Gatwick Airport and 2 days a week from home.

Key Responsibilities:

As a Senior Planner, you will lead the evaluation of the project time for the relevant programme of works (sector) and correlate cost and risk assessments. Provide guidance to the supply chain to articulate requirements for planning.

Responsibilities:

📊 Assist the Planning Manager in developing the programme structure, Work Breakdown Structure (WBS), calendars, and dates to be used, aligned with the Cost Breakdown Structure (CBS) and Employer's data dictionary.

💰 Help develop cost and resource-loaded programmes during submission in accordance with the required delivery milestones.

⏳ Ensure the programme meets all required access dates, milestones, and key dates in compliance with the Employer’s Planning requirements, contract data, and works information.

⚠️ Contribute to assessing programme risks and programme risk analysis, including the development and implementation of mitigation measures.

📈 Monitor progress and regularly update the programme, including forecasting potential problem areas and proposing mitigation measures to the Planning Manager.

🤝 Cooperate with the Project Controls Manager, Reporting Manager, and Change Management in related construction programme matters.

🔄 Liaise with stakeholders and other works packages to communicate the agreed construction planning approach and share best practices, innovation, and continuous improvement.

✅ Appraise, review, and assess supply chain programmes and integrate them into the main programme as required.

📅 Maintain short and medium-term programmes to ensure main programme objectives are met.

🧩 Support in “what-if” scenario planning, providing integrated solutions to project conflicts and recoveries.

🛠️ Support the Planning Manager in ad-hoc business requirements as needed.

👥 Assist the Planning Manager in leading the Planners by setting objectives, reviewing performance, and anticipating selection and promotion decisions to ensure Planning Engineers have the necessary skills and understanding to deliver the team’s objectives.

🔍 Capture, implement, and share best practice project planning policies, processes, and procedures across the business to drive continuous improvement and provide specialist advice where required.

Qualifications, Skills and Experience

Essential

🎓 Bachelor’s Degree
🏗️ Experience working on major infrastructure & construction projects
📊 Strong working knowledge of MS Excel & Primavera P6
📈 Solid understanding of EVM & Project Reporting
🗣️ Exceptional communication – you must be able to explain technical concepts clearly
⏱️ Ability to work effectively under pressure & meet deadlines

Desirable:

🏢 Experience working for a consultancy
📊 Experience creating dashboards – Power BI 📈 / Tableau 📉
🪪 Professional Membership

Benefits include:

💰 Pension scheme (8% company contribution / 4% personal contribution)
🌴 25 days’ paid annual leave + bank holidays 🏖️ + option to buy or sell days 🛒
🧾 Professional fees reimbursed ✅
🕒 Flexible working 🔄
🤝 Employee referral scheme 💼👥

We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.