Traffic Planner in Leiston

Energy Jobline ZR; Leiston; On-site; GBP 42,000 - 56,000; Full time

Job summary

Energy Jobline ZR invites applications for a Traffic Coordinator to support the Sizewell C project. You will manage traffic flows, gatehouse operations, and delivery sequencing to protect critical path work and ensure safety on site.

Responsibilities include briefing marshals, managing TM requests, and coordinating with earthworks and rail teams to optimise logistics while maintaining HSE standards and KPI reporting.

Qualifications

• Essential strong understanding of construction traffic management and plant movements.
• Confident communicator with supervisors, drivers, and subcontractors.
• Ability to use DMSs and MS Excel for logs and KPIs.
• CSCS Card and Full UK Driving Licence.

Responsibilities

• Manage internal traffic flows on haul roads, laydown areas, and construction zones.
• Collate traffic management requests from subcontractors and advise on changes.
• Ensure compliance from subcontractors and CWA teams for TM requests and planning.
• Direct and brief traffic marshals and maintain safe movements around workfaces.
• Enforce one-way systems, speed limits, segregation and exclusion zones.
• Sequence inbound HGVs and plant moves with the Delivery Management System.
• Coordinate with Rail/Import & Materials teams to align offloading slots and capacity.
• Liaise with Earthworks supervisors to avoid clashes with excavation activities.
• Support abnormal load movements, escort planning, and safe route clearances.
• Record, escalate, and investigate traffic near misses and incidents; track KPIs.

Skills

Traffic management

Site logistics

DMS usage

MS Excel

CSCS Card

Driving licence

Tools

DMS

MS Excel

Job description

Job Description

Help Shape the UKs Energy Future

Traffic 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 Traffic Coordinator will ensure the safe, compliant, and efficient movement of vehicles, plant, and people, supporting the Enabling & Earthworks scope. The role will manage gate operations, haul routes, access control, delivery sequencing, and traffic marshalling to maintain flow, minimize interface risks with earthworks activities, and protect critical path operations across the Sizewell C project.

Key Responsibilities

• Traffic & Access Control Manage internal traffic flows on haul roads, laydown areas, & construction zones.
• Collate traffic management requests from subcontractors to advise client as & when required of changes.
• Ensure compliance from subcontractors & CWA teams for TM requests & planning for the Main Construction Area.
• Direct & brief traffic marshals/banksperson to maintain safe movements around workfaces, compounds, & pedestrian interfaces.
• Enforce one-way systems, speed limits, segregation, & exclusion zones.
• Delivery Sequencing & Logistics IntegrationSequence inbound HGVs & plant moves with the Delivery Management System (DMS) to prevent bottlenecks, work with subcontractors & CWA teams for high volume deliveries.
• Coordinate with Rail/Import & Materials teams to align offloading slots, crane/plant availability, & laydown capacity.
• Liaise with Earthworks supervisors to avoid clashes between haul traffic & excavation/compaction activities.
• Support abnormal load movements, escort planning, & safe route clearances.
• Planning, Briefings & Permits Contribute to short interval control and daily/weekly logistics coordination meetings.
• Issue daily traffic plans & shift briefings to marshals, drivers, & supervisors.
• Check & control traffic related permit to work, plant movement plans, & lifting interface points.
• Monitor WIP areas that impact traffic & implement mitigations.
• Work with digital team to create traffic management plans/flows & controls.
• Compliance, Safety & Reporting Ensure adherence to the projects HSE standards, life-saving rules, & PPE requirements
• Maintain records for vehicle checks, driver inductions, banksman authorisations, & competency cards.
• Conduct point of work risk assessments and dynamic traffic risk reviews during changing conditions.
• Record, elevate, and help investigate traffic related near misses, incidents, or road damage; implement corrective actions.
• Track KPIs and produce daily/weekly reports.

What are we looking for?

Knowledge & Skills

Essential Strong understanding of construction traffic management, plant movements, and interface controls with earthworks. Confident communicator with supervisors, drivers, and multiple subcontractors. Ability to use DMSs and MS Excel for logs and KPIs. CSCS Card. Full UK Driving Licensel.

Qualifications & Experience

Essential Experience coordinating traffic or site logistics on major civil engineering or infrastructure projects. Proven experience running gatehouse/access operations and managing traffic marshal/banksperson.

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, youll 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 , , , , , reassignment, or belief, marital status, or and maternity. We are committed to protecting your privacy. If you decide to apply, please avoid including sensitive personal data in your CV.