SIOP Manager

Date: Mar 18, 2023

Location: Bucharest, RO Gliwice, PL Kontich, BE

Company: Tenneco

Tenneco is one of the world’s leading designer, manufacturers and marketers of automotive products for original equipment and aftermarket customers, with approximately 78.000 team members working at more than 300 sites worldwide. Through our four business groups, Motorparts, Ride Performance, Clean Air and Powertrain, Tenneco is driving advancements in global mobility by delivering technology solutions for diversified global markets, including light vehicle, commercial truck, off-highway, industrial, motorsport and the aftermarket.

Job Purpose

 SIOP Manager serves as the subject matter expert for demand planning, network optimization, and capacity planning while supporting various projects including; monthly demand plans, consumption models, network and production strategy optimization, integration of new business cases, and new product launches.

Principal Accountabilities

  • Implement and lead a new meeting cadence including running a BL-pre-SIOP and monthly Exec.-SIOP meetings.  Oversight of all on EMEA medium to long term planning systems (not ownership of operational teams)

  • Ensure data generated by functions and programmes is suitable for EMEA SIOP.  Coaching, mentoring, training and initiation of improvement projects, where required. Specific focus on tracking market assumptions & events and turn this data in continuous learning & improvement

  • Ensure identification, monitoring and reporting of assumptions, risks and opportunities relating to the medium and long term business targets

  • Hold appropriate personnel, including Market directors and plant leadership, to account for agreed actions for mitigation of risk or realisation of opportunities as identified via SIOP

  • Ensure all data generated via SIOP is accurate and timely for EMEA reporting

  • Continually review the SIOP process to ensure it continues to be up to date with current best practice and suitable for business needs

  • Escalate to EMEA Motorparts lead-team as appropriate, when above is at risk


  • Strategic thinking

  • Results orientation

  • Critical information seeking

  • Problem solving / decision making skill

  • Strong business acumen

  • Strong analytical skills

  • Strong organizational and planning skills

  • Strong communication skills: ability to interact with all levels within the organization

  • Attention to details, working with high precision

Job requirements:

  • Good knowledge of ERP systems – preferable SAP

  • Elaborated Excel skills (> pivot tables)

  • Experience with statistical forecasting techniques

  • Fluent in English, other languages are an asset

Key Interfaces:

  • Internal: Internal stakeholders (Manufacturing Plants, Marketing, Product Management, Purchasing, Pricing, Finance, Logistics, Senior Management)

  • External: Suppliers, Customers.


  • Minimum/Essential:       Bachelor degree preferably in business, logistics, supply chain

  • Desirable:                      Master’s degree in applied economics, engineering or similar                                                                                                                                                                                                         


  • Minimum/Essential:       5+ year related experience within supply chain and demand planning environment


An Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.