Location
London

Hours
Full Time

Salary
Negotiable

About the Role
Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets. With over 34,000 people across more than 30 countries, we are dedicated to improving quality of life by solving complex challenges together. Our Nuclear Business Unit supports programmes that protect the natural environment, water resources, and energy systems while powering the world for future generations. In response to climate change, rapid urbanisation, and biodiversity loss, we deliver resilient and sustainable solutions in highly regulated environments.

As a Senior Planner within the Nuclear team, you will lead the development, integration, maintenance, and assurance of project and programme schedules. Your role will ensure schedules are robust, logic-linked, auditable, and aligned with scope, delivery strategy, governance, and reporting requirements. You will establish and maintain planning standards and controls, manage schedule baselines, progress updates, change impact assessments, and ensure schedule traceability. Driving integration between planning, cost, risk, change, scope, and reporting functions, you will maintain a coherent project controls baseline and clear performance narrative.

You will provide schedule assurance and constructive challenge across multiple disciplines and delivery partners, lead planning input to governance forums, integrated baseline reviews, and performance assurance activities. Your analysis of schedule performance, critical path, trends, risks, and opportunities will inform delivery confidence and recovery options. You will oversee contract-driven planning activities and support delivery strategy, programme phasing, business case input, and scenario planning through robust schedule analysis.

Facilitating planning workshops with multidisciplinary stakeholders, you will agree scope, logic, sequencing, assumptions, dependencies, constraints, milestones, and decision points. Additionally, you will provide line management, coaching, and development support to planners, champion continuous improvement in planning processes, tools, schedule quality, and reporting outputs. The scope of accountability will be aligned to experience and programme needs, ranging from schedule assurance to integrated controls leadership.

Experience
- Demonstrable experience leading the development, integration, management, and assurance of project or programme schedules within complex delivery environments.
- Strong working knowledge of planning tools such as Primavera P6, Asta Powerproject, or Microsoft Project.
- Experience applying planning governance, baseline management, change control, progress measurement, schedule quality analysis, and reporting processes.
- Experience reviewing supplier, contractor, or delivery partner programmes within structured contract environments, including NEC or similar contracts.
- Strong understanding of integrated project controls including schedule, cost, risk, change, scope, and reporting.
- Proven ability to engage confidently with multidisciplinary stakeholders, facilitate planning workshops, and support evidence-based decision-making.
- Experience line managing, coaching, mentoring, or supporting the development of planners or wider planning capability.
- Experience in nuclear, defence, energy, infrastructure, or other highly regulated sectors.
- Familiarity with Managing Successful Programmes (MSP), programme lifecycle governance, and programme-level planning approaches.
- Experience using schedule risk analysis, critical path analysis, earned value, or other performance measurement techniques.
- Knowledge of reporting, business intelligence, document control, or data management tools supporting integrated planning and project controls.
- Experience supporting governance, audit, independent assurance, or readiness review processes.
- Strong analytical, problem-solving, and communication skills, with ability to translate complex schedule information into clear delivery insight.

About you
You are a flexible, dynamic individual who meets UK nationality and security requirements, eligible to obtain and maintain Security Clearance (SC). You have a structured, governance-led approach and strong analytical capability. You are confident engaging with senior stakeholders and multidisciplinary teams, with a commitment to continuous improvement and building planning capability across teams.

Qualifications
- Bachelor’s degree or equivalent experience in planning, project controls, engineering, construction, programme management, or related discipline.
- Hold, or be working towards, a relevant professional qualification or chartered status such as APM, ACostE, PMI, CIOB, RICS, or equivalent.