Job Description

About the role

Our projects are more than just your opportunity to make your mark; they're an opportunity to stretch, test and develop your expertise. Join our Balfour Beatty Kilpatrick team as a Senior Planner for Sellafield and you'll be part of our legacy.

Role Purpose

We are seeking a highly experienced Senior Planner to lead the planning and scheduling function for one of the main mechanical packages on the SRP project. This role is pivotal in developing, integrating, and maintaining robust project schedules that support successful delivery.



You will provide expert planning support to project and programme management teams, ensuring alignment with project objectives, governance requirements, and both internal and client standards. Your insights will be critical in identifying schedule risks, opportunities, and performance trends-enabling informed decision-making and proactive management of time-related outcomes.

What you'll be doing

Key Responsibilities

As a Senior Planner, and under the supervision of the Project Lead and Planning Manager, you will:


Build and maintain effective relationships with customers, project teams, and delivery partners. Implement project planning requirements in line with procedures and the Business Management System. Ensure programme content complies with planning procedures and internal guidance. Define planning scope, major constraints, and contract requirements. Establish and integrate key construction methods, sequencing, installation, and commissioning into schedule logic. Incorporate material quantities into schedule activities to enable quantity tracking and reporting. Apply construction norms to schedule activities for resource optimisation. Produce and document planning deliverables including programme submissions, planning philosophy, presentations, and reports. Develop and maintain the overall programme, circulate for review, and implement feedback, innovation, and best practices. Reconcile company and subcontractor plant, labour, and major material elements; apply resource levelling techniques as needed. Interface with third parties to identify and resolve planning issues. Analyse schedule performance and produce detailed Earned Value reports for client submission. Evaluate integrated schedule movements and collaborate with delivery partners to produce cohesive narratives. Interpret and demonstrate Critical Paths and multiple sub-critical paths to understand schedule complexity.

Who we're looking for

Personal Qualities & Experience

Minimum 5 years of hands-on experience in construction planning on major projects. Proven ability to take ownership, work independently, and make confident decisions. Extensive experience in planning services within large, complex construction and engineering environments. Proficient in planning techniques and toolsets, including Primavera P6. Strong understanding of delay analysis and entitlement demonstration methods. In-depth knowledge of NEC contract documents and specifications. Skilled in various planning, programming, and progress monitoring methodologies. Solid grasp of risk and opportunity management in planning contexts. Familiarity with construction market trends, methods, plant, equipment, and labour requirements. Experience conducting site walkdowns and interpreting site drawings and 3D models. Relevant CSCS Card.

Why work for us

Day in, day out, our teams deliver some of the UK's most ambitious, exciting and meaningful projects; developing, building and maintaining the vital infrastructure that supports national economies and strengthens communities.



Why join us?



As if contributing to and supporting work that makes life better for millions wasn't rewarding enough, we offer a full range of benefits too. You'll have the freedom to shape the package that's right for you and your life. Here are some of our key benefits:


Smart working, giving you more flexibility such as staggered start and finish times, with up to 40% remote working, where roles allow. 25 days paid annual leave (pro rata) Family friendly policies which include 28 weeks full pay for maternity/adoption leave and four weeks full pay for paternity/partners leave Pension, share incentive plan, volunteering leave, recognition schemes and much more...

About us

Balfour Beatty Kilpatrick is a leader in mechanical, electrical, plumbing (MEP) and mechanical, electrical and instrumentation (ME&I) solutions.



We design, install and maintain the complex systems and technologies that underpin the UK's national infrastructure and bring buildings to life.

Diversity and inclusion

At Balfour Beatty we believe that diversity and inclusion are essential components of any successful, happy workplace. Through our Value Everyone Diversity and Inclusion Strategy and Action Plan, we are growing our diverse workforce and developing our inclusive culture where everyone is able to thrive and reach their full potential, regardless of their identity or background. To find out how we are making this a reality, visit www.balfourbeatty.com/diversityandinclusion



To help and support us with our desired commitment to create an inclusive culture we are members of WISE, enei, Business Disability Forum and the Association for Black and Minority Ethnic Engineers (AFBE). In 2020, we signed the Audeliss and Involve Open Letter to demonstrate our commitment to taking key long term and sustainable actions on Black Inclusion. Balfour Beatty is also a Gold Award holder in the Ministry of Defence 'Employer Recognition Scheme' and actively encourage applications from Armed Forces personnel, veterans and reservists.



As a Disability Confident Employer, we are committed to working with people who have disabilities and long-term health conditions to remove barriers for them in obtaining employment. We are also committed to offering applicants with a disability an interview if they meet the minimum requirements for the role. For more info, visit: https://disabilityconfident.campaign.gov.uk/



We are looking to continually improve our resourcing process and ensure that it is fair and inclusive for all. If you have any feedback on the process, please share this with us at: candidaterecruitmentqueries@balfourbeatty.com.




Job Reference: BBUK16195