Site Planning Manager

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Date: Jun 30, 2026

Location: Bristol, GB

Company: GKN Aerospace Careers

Fantastic challenges. Amazing opportunities.

GKN Aerospace is reimagining air travel: going further, faster and greener! Fuelled by great people whose expertise and creativity sets the standards in our industry, we’re inspired by the opportunities to innovate and break boundaries. We’re proud to play a part in protecting the world’s democracies. And we’re committed to putting sustainability at the centre of everything we do, opening up and protecting our planet. With over 16,000 employees across 32 manufacturing sites in 12 countries we serve over 90% of the world’s aircraft and engine manufacturers and achieved sales of £3.6bn in 2025. There are no limits to where you can take your career.

Job Summary

At our GKN Filton site, we specialise in the design and manufacture of large complex structural wing assemblies, detailed metallic components and wing systems for a combination of both civil and military aircraft.

 

We're seeking a skilled and knowledgable Site Planning Manager to join us on a permanent basis.

 

This role is based at our Filton site in Bristol, with the expectation to be on site full time. We offer a flexible but structured approach to hours over 4.5 days per week, as we have an early finish on a Friday.

 

The role exists to lead and integrate the site planning function, ensuring the effective translation of demand into executable production and supply plans. To own and govern the SIOP process and planning standards.

 

What You'll Be Doing

You'll be part of a large organisational structure supporting various areas of the business in planning and decision making. You will:

  • Develop and maintain elements of the integrated site production plan.
  • Support the site-level SIOP process, including data preparation, analysis, and scenario modelling.
  • Translate customer demand and forecasts into executable production schedules.
  • Perform capacity analysis and resource alignment, identifying constraints and risks.
  • Contribute to the development and adherence of planning standards, governance and data quality.
  • Collaborate with procurement, manufacturing, logistics, and commercial teams to resolve planning issues.
  • Lead scenario planning and what-if analysis to support decision-making.
  • Use data analytics and digital tools to drive insight and improve planning performance.
  • Provide technical support and guidance to the planning team, helping to build capability.
  • Identify and drive continuous improvement opportunities in planning processes and tools.

 

What You'll Bring

Essential

  • Ideally educated to Degree level and/or have 5 years previous experience in a relevant position.
  • Knowledge and experience of capacity planning and Sales, Operations, Inventory and Operations planning processes.
  • Knowledge and experience of manufacturing and finance systems.
  • Good understanding of ERP systems.
  • A team player able to influence without direct line reports.
  • Ability to utilise data, analytics and digital planning tools to support insight-led decision making and continuous improvement.

 

Desirable

  • Supply Chain Management education preferably, with professional curriculum and certification (e.g. APICS CPIM or equivalent)

What We'll Offer

Once you’re on board you’ll get the following perks and benefits:

  • Competitive salary and remuneration package dependent on experience.
  • 22.5% company bonus based on personal and business performance.
  • £5,500 annual car allowance.
  • Industry Leading Pension Scheme = 1.5x  employee contributions (max 12%).
  • Life Assurance 8 x salary.
  • 25 days holiday + bank holidays.
  • Flexible working hours.
  • Income protection.
  • Shopping discounts.
  • Cycle To Work Scheme.
  • Employee Assistance Programme.
  • Virtual GP Clinic for you and immediate family.
  • A collaborative, dynamic working environment.

 

As well as a competitive package we’ll offer you a world of opportunity. We want to see your career fly! We’ll support your career progression by providing you with learning and development opportunities. That’s the beauty of being part of a global business, once you’re on board you never know where your career journey may take you!

We’ll offer you fantastic challenges and amazing opportunities. This is your chance to be part of an organisation that has proven itself to be at the cutting edge of our industry; and is committed to pushing the boundaries even further.  And with some of the best training on offer in the industry, who knows how far you can go?

A Great Place to work needs a Great Way of Working

Everyone is welcome to apply to GKN.  We believe that we can only achieve our ambitions through a coming together of diverse minds who enjoy collaborating in an inspirational environment. Through our commitment to diversity, inclusion and belonging and by living our five powerful principles we’ve created a culture where everyone feels welcome to contribute.  It’s a culture that won us ‘The Best Workplace Culture Award’.  By embracing and celebrating what makes us unique we encourage everyone to bring their full self to work.

We’re also committed to providing an accessible recruitment process, so if you require reasonable adjustments at any stage during our recruitment process please get in touch and let us know.

We are the place where human dreams, plus human endeavour, shape the future of aerospace innovation and technology. ​
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