At a Glance
- Tasks: Lead the SIOP process, aligning demand, supply, and inventory for optimal operations.
- Company: Join Ontic, a leader in aerospace and defence manufacturing.
- Benefits: Competitive salary, career growth, and a chance to make an impact.
- Other info: Dynamic role with opportunities for continuous improvement and strategic influence.
- Why this job: Shape the future of aerospace with data-driven planning and cross-functional collaboration.
- Qualifications: Experience in SIOP or supply chain leadership, strong analytical skills required.
The predicted salary is between 60000 - 75000 £ per year.
Ontic, a leading licensor and manufacturer of complex engineering parts for the global aerospace and defence industries, is now recruiting for a SIOP Manager to lead the end‑to‑end Sales, Inventory & Operations Planning process within our MRO business. This key role aligns customer demand, operational capacity, inventory strategy and financial objectives through a structured, data‑driven planning cycle.
We are seeking an experienced, analytical and collaborative SIOP Manager to lead and continuously improve the SIOP process within our MRO environment. The role is accountable for bringing together demand, supply, inventory, operational capacity and financial planning to support clear, informed decision‑making. Working cross‑functionally with Sales, Operations, Planning, Supply Chain, Engineering, Programmes and Finance, the SIOP Manager will improve forecast accuracy, strengthen planning discipline and help balance service levels, cost, inventory investment and operational efficiency. The SIOP Manager will operate at both a strategic and operational level, translating business priorities into structured planning processes, clear governance and actionable plans.
Key Responsibilities
- Lead and manage the SIOP cycle across monthly and quarterly planning cadences, ensuring consistent execution across demand planning, supply planning, reconciliation and executive review.
- Consolidate and validate demand inputs from customer contracts, forecasts, historical trends and commercial opportunities; challenge assumptions to ensure plans are realistic, data‑driven and aligned to business strategy.
- Oversee alignment of supply plans with demand and operational capacity; identify constraints, risks and opportunities and drive corrective action where performance is off track.
- Define and manage inventory strategies across key MRO categories, balancing inventory investment with service levels, risk and working capital objectives.
- Track and report performance against plan, including forecast accuracy, service levels, inventory turns and other key SIOP metrics; develop dashboards and reporting frameworks to support operational and executive decision‑making.
- Provide key planning inputs into budgeting and financial forecasting cycles, ensuring SIOP outputs are aligned with financial plans and supporting scenario planning and trade‑off decisions.
- Facilitate cross‑functional decision‑making, lead executive SIOP reviews and continuously improve SIOP processes, governance, tools, reporting standards and ways of working.
Qualifications To Be Successful In This Role, You Will Bring:
- Strong experience in SIOP, S&OP, demand planning or supply chain leadership within an MRO, aviation, aerospace or complex manufacturing environment.
- Deep understanding of integrated business planning, including demand, supply, inventory and financial alignment.
- Experience managing complex demand streams and long‑lead supply chains.
- Strong analytical capability with experience in forecasting, scenario modelling and performance reporting.
- Proven ability to influence and align senior stakeholders across multiple functions.
- Experience driving process standardisation, governance and continuous improvement.
- Strong commercial awareness and the confidence to challenge assumptions constructively.
- A structured, data‑driven approach to planning, decision‑making and performance management.
You Will Also Have:
- Experience developing dashboards, reporting frameworks and SIOP performance metrics.
- Strong proficiency in Excel and planning/reporting tools.
- The ability to translate complex data into clear insights, risks and recommendations.
- A continuous improvement mindset, with a focus on simplification, efficiency and better business outcomes.
- The confidence to operate at both strategic and operational levels.
Benefits TBD
SIOP Manager in Tewkesbury employer: Professional Asian Pilots Association
At Ontic, we pride ourselves on being an exceptional employer, offering a dynamic work environment in Tewkesbury that fosters collaboration and innovation. Our commitment to employee growth is evident through continuous improvement initiatives and cross-functional teamwork, ensuring that our SIOP Manager will thrive in a culture that values data-driven decision-making and strategic planning. With a focus on the aerospace and defence industries, we provide unique opportunities for meaningful contributions to complex engineering projects while supporting a balanced work-life integration.
Contact Details:
Professional Asian Pilots Association Recruitment Team
StudySmarter Expert Advice🤫
We think this is how you could land SIOP Manager in Tewkesbury
✨Join Aerospace Forums and Groups
Get involved in aerospace engineering forums and online communities, like the AIAA (American Institute of Aeronautics and Astronautics). It's a great way to meet industry peers and stay updated on job openings and trends in the field.
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We think you need these skills to ace SIOP Manager in Tewkesbury
Some tips for your application 🫡
Show Off Your Technical Skills:When applying for the aerospace engineering role at Professional Asian Pilots Association, make sure to highlight your technical expertise. Include specific software skills, like CAD tools or simulation software, and any relevant engineering projects you’ve worked on. This is your chance to really shine and showcase your engineering toolkit!
Don't Skip Your Projects!:Include a section in your CV dedicated to projects that demonstrate your problem-solving abilities in aerospace engineering. Whether it's a university project, an internship, or personal work, we love seeing how you’ve applied your skills in real-world scenarios. Make it clear what your role was and the impact of the project.
Show Your Passion in Your Cover Letter:At Professional Asian Pilots Association, we're not just looking for skills – we want to know why you’re passionate about aerospace engineering. Use your cover letter to express what excites you about aviation technology and your career goals. Share any relevant experiences or inspirations that have led you to apply for this full-time position.
Tailor Your CV for Aerospace:Make sure your CV is specifically tailored to aerospace engineering. Focus on your education, any certifications, and your work experience, ensuring you highlight aspects that relate directly to the role. Don’t forget to mention any internships or apprenticeships that have given you hands-on experience.
How to prepare for a job interview at Professional Asian Pilots Association
✨Brush Up on Your Technical Knowledge
Aerospace engineering is all about technical precision, so make sure you’re comfortable with key concepts like aerodynamics, propulsion, and materials science. We recommend going through any relevant coursework or projects you’ve worked on – these real-world examples can illustrate your understanding during the interview with Professional Asian Pilots Association.
✨Showcase Your Projects with Confidence
Make sure to have a portfolio ready that details any significant projects you've worked on, whether it’s a group assignment or a personal endeavour. Be prepared to discuss the challenges you faced, the tools you used, like CAD software, and what you learned from the experience, as this will show your problem-solving skills in action.
✨Prepare for Technical Interviews
Expect some technical questions or even problem-solving exercises during your interview with Professional Asian Pilots Association. Get familiar with design challenges or theoretical problems related to aerospace; this can range from calculating lift and drag forces to materials selection under stress. Practising these can help you feel more at ease when faced with tricky questions.
✨Emphasise Your Passion and Teamwork Skills
As a full-time candidate, it’s crucial to convey your passion for aerospace engineering and your ability to work in teams. Highlight any group projects or internships you've done, focusing on how you collaborated with others to achieve a goal. Companies like Professional Asian Pilots Association love seeing candidates who not only have technical skills but also fit well within their team culture.
