Date Posted: 2026-11-04 Country: United Kingdom Location: Plymouth, Plymouth Position Role Type: Onsite At RTX, the world's largest aerospace and defence company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defence industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defence. We have an opportunity for a Materials Planner to join our team in Plymouth, Devon, UK. This is a onsite role based at our Plymouth site, where we design and manufacture control, navigation, and guidance systems for both air and surface applications. Our world-class products include MEMS-based Inertial Measurement Units (IMUs) and the TERPROM® Digital Terrain Reference Navigation System. Our growth plan includes development and extension of our current technologies into state-of-the-art military and civil aircraft applications.
What You Will Do
- Maintain, and update master data for materials, BOMs, and planning parameters.
- Ensure accuracy, completeness, and consistency of master data across ERP and planning systems.
- Cover for the master production scheduler.
- Cross-collaborate to review inventory trends, drive actions to meet targets and develop MP parameters utilizing EMP/IE standards & enterprise policies.
- Inventory forecasting, inclusive of input / output models, and reason codes for inventory inaccuracy & problem solving inclusive of trapped, stranded, etc.
- Manage entitlement levels, present inventory rollups and executive insights; generate summaries and KPI analyses for decision-making.
- Drive continuous improvements to enhance overall inventory management by eliminating process gaps, enhancing forecast accuracy, automating reporting, shortening cycle times and streamlining cross-functional handoffs.
- Track performance to financial plans and collaboration with finance, support SIOP process with inventory plan.
- Forecast management process on raw and purchased parts, planning strategies for special stock.
- Attend / Input to monthly reviews.
What You Will Learn
- This role offers a great opportunity for someone looking to develop their career within materials planning and inventory management. Training and support will be provided to help you develop your knowledge of ERP/MRP systems, inventory management, forecasting and advanced Excel skills.
Qualifications / Experience We Prefer
- A university degree or ideally, prior relevant experience although we are happy to consider someone who is looking to take the next step in their career
- Computer literate
- Basic knowledge of MS Office Suite, particularly Excel. More advanced Excel skills can be taught
- ERP/MRP experience would be advantageous
- Understanding of material master parameters would be desirable
- Experience within a manufacturing environment would be advantageous
- APICS - CPIM 8.0 - Certified in Planning and Inventory Management would be desirable
What We Can Offer You
- Competitive Compensation Package
- 25 days Annual Leave + Public Holidays + option to buy / sell up to 5 days per year
- Generous Employer Contribution Pension Scheme with 2:1 matched contributions up to 10%
- Private Medical Insurance Health & Wellbeing Cash Plan - (dental/optical/therapy/chiropody/health screening)
- Life Assurance & Group Income protection scheme participation
- Professional Development & Growth Support with professional fees
- Employee Assistance Program (EAP)
- Employee Discounts & Flexible Benefits Platform
- Employee Recognition & Referral Bonuses
- Flexible working hours and an early finish on Fridays and much more!
RTX adheres to the principles of equal employment. All qualified applications will be given careful consideration without regard to ethnicity, color, religion, gender, sexual orientation or identity, national origin, age, disability, protected veteran status or any other characteristic protected by law.
This position is classified as: Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. Candidates will learn more about role type and current site status throughout the recruiting process. For onsite and hybrid roles, commuting to and from the assigned site is the employee’s personal responsibility.
RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.
Collins Aerospace in accordance with our 'Baseline Security' requirements, will request from candidates evidence of identity, eligibility to work in the UK, and employment and/or education history for up to three years, in relation to certain roles within the business. These relate to positions where access to export controlled items, (e.g., Technical data, hardware, software, and services subject to international trade control laws and regulations) and Collins IT Systems may apply. For further details of the evidence required to apply for Baseline and Security Clearance please refer to the Defence Business Services National Security Vetting (DBS NSV) Agency.
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Materials Planner in Plymouth employer: Prattwhitney
At Pratt & Whitney Canada, part of RTX, we pride ourselves on being an exceptional employer that fosters a collaborative and innovative work culture. With competitive benefits including private medical insurance, a fantastic pension scheme, and opportunities for professional growth, we empower our employees to excel in their roles while contributing to the future of aerospace and defense. Located in the UK, our team is dedicated to pushing the boundaries of technology and ensuring compliance in logistics and customs, making this a rewarding environment for those looking to make a meaningful impact.
