Sales, Inventory & Operations Planning Manager

APPH LTD; Runcorn; On-site; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Competitive salaries tied to perfomace

Standard 37-hour week

Annual leave 25 days + bank holidays

Generous group pension up to 7.5%

Life Assurance 3 x salary

Medical benefits package from day one

Access to retail and gym discounts

Loyalty bonuses

Team building events

Job summary

Heroux-Devtek in the United Kingdom seeks an experienced SIOP Manager to oversee demand signals and align forecast with capacity. You will manage the SIOP process, coordinate with Program Managers and Production Control, and lead KPI-driven improvements on sales, planning and inventory.

The role requires deep MRP experience, strong collaboration with Operations and a background in aerospace/manufacturing. This is a full-time on-site position based in Runcorn.

Qualifications

• Bachelor degree in Supply Chain Management, Logistics, Business Management or similar.
• APICS CSCP or CPIM or similar qualification.
• Demonstrated MRP system understanding, ideally Infor LN experience.
• Knowledge of Qlik Sense is an asset.

Responsibilities

• Manage the demand signals (OE, Spares, MRO, Warranty) and analyze customer requirements vs budget, lead time and capacity.
• Facilitate and manage SIOP data and regular meetings, highlighting shortfalls or demand spikes and ensure corrective actions are addressed.
• Manage the Master Production Schedule, maintaining and updating it; ensure ERP/MRP requirements are cascaded through the system for bottleneck resources.
• Produce capacity analyses to establish resource plans for manpower, production cycles and shifts.
• Work closely with the Operations Director and Programme Managers to deliver the forecast plan and order book status.
• Control speculative demand signals within the MRP system and ensure sign-off processes are adhered to; remove speculative orders when POs are received.
• Develop and maintain a robust process to identify and monitor customer demand (hours/value) including backlog.
• Manage and maintain the MRO forecast, safety stock and replacement factor data.
• Manage and maintain Sales & Programmes KPIs with Directors of sales & Programme to ensure metrics are met; advise corrective actions if needed.
• Responsible for Inventory Management and Control including ABC Analysis, Safety Stock and Replacement Factors.
• Regular inventory reporting to the Senior Management Team.
• Lead the drive for data accuracy in LN regarding Sales and Supply Chain.
• Assist Procurement with reporting and analysis.
• Manage and improve Business Intelligence Systems (QlikSense/PowerBI).
• Responsible for managing Planning Coordinators including objectives, performance measurement and one-to-one meetings.
• Continue to support projects and programme management / MRP activities as required.

Skills

Supply chain management

APICS CSCP/CPIM

MRP systems (Infor LN)

Qlik Sense

Education

Bachelor degree in Supply Chain Management / Logistics / Business Management or similar

Tools

Infor LN MRP

Qlik Sense

Job description

Sales, Inventory & Operations Planning Manager

Job Category: Operations/Production/Fabrication

Requisition Number: SALES001657

• Posted : August 17, 2026
• Full-Time

Locations

Showing 1 location

Runcorn
8 Pembroke Court
Manor Park
Runcorn, CH WA7 1TG, GBR

Description

Heroux-Devtek, the world’s 3rd largest producer of landing gear, serves the civil and military aerospace markets from production facilities in North America and Europe. The Company’s longevity, flexibility, and track record for the development and implementation of innovative production systems have distinguished it as a leader in the domain. With its most recent acquisitions, Heroux-Devtek is bolstering its status as one of the foremost landing gear, actuation and hydraulic system designers and manufacturers in the global aerospace industry.

Division info:

Located in Runcorn, United Kingdom, our newly extended 120, 000 sq. ft. facility is a fully integrated site offering comprehensive manufacturing, repair, and overhaul services to the major players in the landing gear industry. Designated as a Center of Excellence, the facility specializes in surface treatment and assembly of small to medium sized landing gear systems.

Job Summary:

The SIOP Manageris responsible for anaging the demand signals via the S&OP process, the monthly, quarterly, and annual forecasting reviews – so the medium to long term view. The role also includes managing Planning Coordinators / Business Analyst. The SIOP Manager needs to work closely with the Program Managers and the Production Control team to align demand with Capacity.

Key Responsibilities:

• Core responsibility to manage the various demand signals (OE, Spares, MRO, Warranty) from our customers and thesubsequentsite Order book. The role includes carrying out analysis of customer requirements vs budget vs lead time vs capacity.


• Facilitate and manage the SIOP data and regular meetings, highlighting any shortfall or demand spikes that affect the business and ensuring that agreed corrective actions areaddressed bythe SIOP attendees.


• Manage the Master Production Schedule, including creating,maintainingand updating, ensuring MRP requirements are cascaded through the ERP system for all the identified bottleneck resources.


• Produce capacity analysis toestablishresource plans formanpower, productioncyclesand shifts.


• Work closely with the Operations Director and Programme Managers to deliver the forecast plan and order book status.


• Responsible for control of speculative demand signals within the MRP system ensuring that the sign offprocessesareadheredtooandensuringthe speculative orders are removed when actual Purchase Orders are received.


• Develop andmaintaina robust process toidentifyandmonitorcustomer demand (in hours/value) including backlog.


• Manage andmaintainthe MRO forecast, safetystockand replacement factor data.


• Manage the Sales &ProgrammesKPI’s- workingalonsidethe Directors of sales &Progarmmeto ensure key metrics are met,advisingcorrective actions if the KPI’s need refining.


• Responsible for Inventory Management and Control including ABC Analysis, Safety Stock and Replacement Factors.


• Regular inventory reporting to the Senior Management Team.


• Lead the drive for data accuracy in LN with regard to Sales and Supply Chain.


• Assist Procurement with reporting and analysis.


• Manage and improve Business Intelligence Systems (QlikSense/PowerBI).


• Responsible for managing Planning Coordinators includingobjectives, performancemeasurementand one-to-one meetings.


• Continue to support projects and programme management/MRP activities asrequired.

Qualifications

• Bachelor degree in Supply Chain Management, Logistics, Business Management or similar.


• APICS CSCP (Certified Supply Chain Professional) or CPIM (Certified in Production and Inventory Management) or similarqualification.


• Demonstrated MRP system understanding, ideally Infor LN experience.


• Knowledge of Qlik Sense is an asset.

Person Specification

• Ability to influence and work with people.


• Excellent attention to detail and a methodical approach to tasks.


• Ability to draft documents/presentations clearly and concisely.


• Pragmatism, tenacity, a can-doattitudeand the ability to think laterally to resolve problems.


• Background in Engineering and/orManufacturingpreferred.


• Minimum 5 years’ experience in the manufacturing sector, preferably aerospace.


• Strong teamwork, dynamic, pragmatic,proactiveand competitive attitudes.


• Experience providing guidance and coaching to lower-tier employees.


• Strong experienceestablishingand maintaining effective relationships

What we offer?

• Competitive salaries tied to performance, reviewed annually


• Standard 37-hour week, Annual leave 25 days + bank holidays


• Generous group pension plan with up to 7.5% employer contribution


• Life Assurance 3 x salary


• Company funded medical benefits package from day one


• Access to retail and gym discounts


• Loyalty bonuses


• Supportive environment where you can learn and grow


• A culture where diversity is valued, empowering individuals to contribute positively to the organization's success.


• Team Building social events

Héroux-Devtek aims to grow as an industry by meeting customer expectations through the dedication and commitment of its people. Heroux-Devtek emphasizes a culture cantered on the \"4 Rs\": Respect, Responsibility, Recognition, and Resilience. This entails fostering quality relationships with customers, colleagues, and suppliers, ensuring quality

delivery and fairness, acknowledging employee achievements, and promoting flexibility, openness, and tenacity among employees. This approach contributes to a stable workforce and reinforces an entrepreneurial spirit, guiding employees towards shared objectives.

Equal Opportunity to Employees: We are an equal opportunity employer and value diversity at our company. We do not discriminate based on race, religion, colour, national origin, gender, sexual orientation, age, marital status, or disability status.

All qualified applicants will receive consideration for employment without regard to any of these characteristics.

User privacy is paramount, we are committed to safeguarding your personal data in compliance with GDPR regulation.