Senior Planner - Major Infrastructure

Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets.

We are more than 34,000 people, in over 30 countries, dedicated to improving quality of life. Everyone has an important role to play. With the power of many curious minds, together we can solve the world’s most complex challenges and deliver more impact together.

Role description:

The Arcadis Mobility Programme Management & Commercial Management unit is seeking highly skilled Senior Project Planners to deliver the planning and scheduling of one of our major programmes in London and the south of England. This pivotal role combines strategic planning and performance reporting to ensure successful project delivery. You will play a key role in delivering mobility (rail, highways and aviation) infrastructure and driving continuous improvement.

Role accountabilities:

• Planning and scheduling on complex projects, ensuring robust project controls throughout the lifecycle.
• Develop and maintain project baseline plans, work breakdown structures, and schedules aligned with delivery objectives.
• Monitor progress, identify variances, and implement recovery and contingency plans.
• Report on earned value, progress, and performance to inform financial forecasting and decision-making.
• Analyse project and programme data to identify trends, risks, and anomalies.
• Ensure compliance with planning standards and lifecycle frameworks.
• Audit contractor plans and monitor adherence to Network Rail procedures.
• Collaborate with clients, multidisciplinary teams, and stakeholders to deliver value and build strong relationships.
• Drive continuous improvement in planning processes and adopt emerging digital tools.

Qualifications & Experience:

Essential

• 7+ years' experience in project planning and scheduling, ideally within major rail or infrastructure programmes.
• Degree/HNC/HND in Engineering, Project Management, or a related subject.
• Strong understanding of the UK mobility sector and project delivery requirements.
• Proficient in planning software (e.g., Primavera P6, MS Project).
• Excellent organisational, commercial, and communication skills.
• Experience with project controls, cost engineering, and financial operations.
• Familiarity with different contracting environments and commercial models.
• Ability to be on site minimum 2 days per week in London & South East location

Desirable

• Membership of a relevant professional body.
• Six Sigma Yellow Belt certification.
• Broad understanding of rail, highways, or aviation engineering, construction, and investment planning systems.

Why Arcadis?

We can only achieve our goals when everyone is empowered to be their best. We believe everyone's contribution matters. It’s why we are pioneering a skills-based approach, where you can harness your unique experience and expertise to carve your career path and maximize the impact we can make together.

You’ll do meaningful work, and no matter what role, you’ll be helping to deliver sustainable solutions for a more prosperous planet. Make your mark, on your career, your colleagues, your clients, your life and the world around you.

Together, we can create a lasting legacy.

Join Arcadis. Create a Legacy.

Our Commitment to Equality, Diversity, Inclusion & Belonging

We want you to be able to bring your best self to work every day which is why we take equality and inclusion seriously and hold ourselves to account for our actions. Our ambition is to be an employer of choice and provide a great place to work for all our people. We believe that by working together diverse people with different experiences develop the most innovative ideas. Equality, diversity and inclusion is at the heart of how we improve quality of life and we work closely with our people across six ED&I Workstreams: Age, Disability, Faith, Gender, LGBT+ and Race. A diverse and skilled workforce is essential to our success.

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