Senior planner

Senior Planner Opportunity with the Civil Works Alliance (CWA), Supporting Sizewell C

As part of the CWA (Civil Works Alliance), you will support the building of Sizewell C. Sizewell C will be a 3.2‑gigawatt power station generating low‑carbon electricity for around 6 million homes and will play a key role in our energy future, supplying reliable, clean electricity for at least 60 years. This role will be within the Enabling and Earthwork Section.

What will you do?

The Senior Planner will support the CWA Enabling and Earthworks Geotechnical Section Planning Lead and the Section Lead.

This role will provide a key link between the supply chain delivering the works, the requirements of the PAA programme, the CWA team managing the works and the PMO.

• Assist with the development of the delivery programme. Including close working and coordination with Section Planning Lead, delivery teams, supply chain to build up the optimum methodology, sequence, timing, production & resource
• Assist with programme updates with respect to performance during the construction period
• Recommend mitigation measures on areas of forecast critical programme slippage

What are we looking for?

• A degree, HND or similar equivalent in a civil engineering or geotechnical subject is desirable
• Experience of planning services within large complex environments within the construction industry
• Good experience in scheduling tools and software like Primavera P6, MS Project or ASTA
• Understanding of the methods of construction, incl. plant, equipment, and labour requirements

What we will offer you?

The CWA is a single delivery organisation made of up of the client (Sizewell C) and three parent companies - Balfour Beatty, Bouygues and Laing O'Rourke - which offer industry leading packages including market leading salaries, generous annual leave entitlements, pension scheme and other flexible benefits.

About Us

The CWA celebrates the creativity and innovation that comes from a diverse workforce, and we welcome applications from people of all backgrounds — especially those from under‑represented communities. Our project is built on five core values: Humility, Positivity, Respect, Solidarity, and Clarity.

By joining us, you’ll be encouraged to bring your whole self to work, speak up, and share your ideas. We encourage applications from all suitably qualified candidates, regardless of gender, race, disability, age, sexual orientation, gender reassignment, religion or belief, marital status, or pregnancy and maternity.