3rd Party Planning Executive

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📍 Milton Keynes, England, United KingdomFull time

About this role

Job Title: 3rd Party Planning Executive

Location: Any Hub

Contract and working pattern: Hybrid, permanent

Are you ready to Be Your Best Barr None? 

Lets Grow!!!

We are all about Being Your Best Barr None and having a career with real Moments that Matter!

Employing around 950 people across the UK, we are proud to be a responsible business that takes care of our people, values diversity, gives something back to our communities and works to minimise our environmental impact.

For 150 years AG Barr has been building great brands and is home to some of the nations favourite flavours.

At our core is  IRN-BRU, launched in 1901 and still going strong today, the vibrant RUBICON fruit based brand, Boost making every moment better with a caffeine kick, hydration hit or tasty treat, and FUNKIN where real fruit means authentic taste.

We also have a number of exciting owned brands within our portfolio including MOMA, which crafts quality oats into great tasting oat drinks and porridges.

There's never been a better time to join us!

What we’re looking for…

As a Third Party Planning Executive, you will be a pivotal link in our fast-paced FMCG supply chain, driving the day-to-day balance between external production capacity and exceptional customer service. We are looking for an analytical, relationship-driven coordinator who can master a 13-week production plan, optimise our inventory strategy to eliminate waste, and confidently champion our brand when collaborating with third-party manufacturers.

Your responsibilities will include...

  • Production Planning: Build and manage the 13-week third-party production plan based on resource capacity.
  • Material Management: Ensuring materials are availability JIT to meet production requirements at third party manufacturers
  • Finished Goods Inventory Control: Monitor stock levels to align with warehouse capacity and minimise slow-moving (SLOB) stock.
  • Product Lifecycles: Support NPD/EPD processes and production projects with third-party manufacturers.
  • S&OP Support: Facilitate monthly planning clinics to identify and escalate long-range capacity risks.
  • Stock Deployment: Coordinate primary stock movements with logistics and customer service teams.
  • Team Backup: Build strong stakeholder relationships and deputise for the Planning Manager when required.


What you’ll bring...

  • Experience in supply planning within a manufacturing environment.
  • Working knowledge of MRP/DRP/ERP systems and stock deployment techniques.
  • Advanced IT skills, specifically using Excel or Google Sheets.
  • Strong analytical skills to evaluate data, manage risks, and maintain production flows.
  • Excellent communication skills to collaborate effectively with internal and external teams.
  • Willingness to travel to third-party manufacturing locations and AG Barr sites.

And it would also be great if you can demonstrate:

  • Prior experience working directly with third-party manufacturers (3PM).
  • Experience supporting the supply element within an S&OP cycle.
  • A proactive approach to process improvement and professional development.

What we offer…

We believe in creating a diverse and inclusive culture where your voice can be heard.  Our skilled, loyal and committed people are critical to the future success of AG Barr which is why we are continually investing in our employees to develop their talent.

We look after our employees by offering a competitive salary and benefits package which includes;

  • Uncapped bonus linked to business performance
  • Defined contribution Pension
  • Up to 34 days holiday (depending on shift pattern)
  • Flexible holiday trading
  • Flexible cash pot to spend on benefits
  • Healthcare Cash Plan
  • Flexible benefits e.g. discounts & cashbacks, gym memberships, technology purchases etc
  • Life assurance
  • Save as you earn scheme
  • Staff sales discount
  • Free AG Barr products throughout your working day and staff sales
  • Annual salary review 
  • Ongoing professional development and access to Learning and Development programmes and content

And much more! 

To find out more about what it is like to work for AG Barr, please visit our careers platform here.

We are an equal opportunities employer and happy to discuss any reasonable adjustments that may be needed for successful candidates with a disability, health or mental health condition.

While we have highlighted our ideal requirements for this role, we are realistic that the successful candidate probably won't meet every single requirement in this advert, but we are big advocates of people growing in role. So even if you don’t meet every single requirement, we encourage you to submit an application - you may be just what we are looking for! Apply now!

Speculative CVs from agencies will not be accepted.

Please note, we may close vacancies early where we receive significant numbers of applications, so apply now!

#IND1



Frequently Asked Questions

Is the salary disclosed for the 3rd Party Planning Executive position at dNL9Vz9Z81bsMeURHmGeX6?
The salary for this 3rd Party Planning Executive role at dNL9Vz9Z81bsMeURHmGeX6 is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the 3rd Party Planning Executive position at dNL9Vz9Z81bsMeURHmGeX6 located?
This 3rd Party Planning Executive role at dNL9Vz9Z81bsMeURHmGeX6 is based in Milton Keynes, England, United Kingdom. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the 3rd Party Planning Executive role at dNL9Vz9Z81bsMeURHmGeX6 full-time or part-time?
This is listed as a Full time position. It is posted as a 3rd Party Planning Executive role in the Planning department at dNL9Vz9Z81bsMeURHmGeX6.
Which team or department does the 3rd Party Planning Executive at dNL9Vz9Z81bsMeURHmGeX6 belong to?
This 3rd Party Planning Executive position is part of the Planning department at dNL9Vz9Z81bsMeURHmGeX6. See the full job description for more information about the team structure and responsibilities.
How do I apply for the 3rd Party Planning Executive position at dNL9Vz9Z81bsMeURHmGeX6?
Click the "Apply Now" button on this page. You will be redirected to dNL9Vz9Z81bsMeURHmGeX6's official application portal hosted on workable where you can submit your application directly.
When was the 3rd Party Planning Executive job at dNL9Vz9Z81bsMeURHmGeX6 posted?
This 3rd Party Planning Executive position at dNL9Vz9Z81bsMeURHmGeX6 was posted on Jun 16, 2026. Apply as soon as possible — early applications are often reviewed first.
3rd Party Planning Executive
dNL9Vz9Z81bsMeURHmGeX6
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