Operational Supplier Manager (m/f/d)

Advantest - We enable

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tomorrowʻs technology.

IoT, 5G and Artificial Intelligence. Unthinkable without us. More than half of all the microchips produced worldwide first pass through our hands. As the global market leader of automated test systems in the semiconductor industry we help the world to realize the digital transformation, enable our customers to shape the future and offer you the exciting jobs intended for pioneers.

Are you seeking answers and opportunities for your future? At our site in Böblingen you will find both as

Operational Supplier Manager (m/f/d)

Your Responsibilities
As a Supply Specialist in an «outsourced manufacturing» model, you are the «control tower» for material availability across a network of contract manufacturers (CMs), suppliers, and logistics partners. You ensure materials are available **in the right quantity, at the right location, at the right time** to support production and customer delivery-despite indirect control over execution and frequently changing constraints.
This role requires strong cross-functional collaboration internally (Demand Planning, Supply Planning, Inventory Planning, S&OP and S&OE leads, Operational Buying, Quality, Logistics) and disciplined supplier-facing coordination externally (CMs, tier suppliers, freight providers). You will balance service, inventory, cost, and risk, and lead exception management when supply and demand do not match.
Material Planning & MRP Execution

Translate supply plans into material requirements using MRP (e.g. Oracle) and planning tools
Maintain and continuously improve planning parameters (e.g. lead times, safety stock, MOQ, lot sizes, reorder points)
Manage call-offs, releases, and replenishment signals to suppliers and contract manufacturers within agreed planning horizons
Validate system outputs and correct exceptions caused by master data issues, forecast anomalies, or BOM/route changes

Supplier & Contract Manufacturer Coordination (External Execution)
Align with contract manufacturers or suppliers on build schedules, material readiness, inbound windows, and inventory positions (supplier/CM-managed)
Coordinate with suppliers to confirm capacity, lead times, allocation constraints, and delivery commitments
Drive adherence to orders / plans and escalate deviations through defined escalation paths
Support sourcing strategies by providing data on supply reliability, constraints, etc.
Proactively identify material risks (e.g. shortages, long lead-time exposures, logistics disruption)
Lead cross-functional **recovery actions** (substitution, expedite, reschedule, partial shipments)
Run scenario checks («what-if») to quantify impact on service levels, production, and inventory
Maintain a risk dashboard for critical materials and define mitigation plans

Cross-Functional Collaboration & Planning Governance
Participate in regular planning cadences (e.g., Supply review, shortage meetings, S&OE coordination)
Provide clear, timely communication to stakeholders on constraints, risks, and mitigation options

Data Quality, Compliance & Continuous Improvement
Maintain high-quality master data (e.g. material master, lead times, vendor data, MRP types, safety stock, BOM accuracy) in collaboration with Master Data/Engineering
Report (Excel/Power BI) and track KPIs and highlight root causes of recurring issues
Contribute to sustainability objectives by reducing waste, avoiding unnecessary premium freight, and optimizing material usage

Your Qualifications
Bachelor's degree in Supply Chain, Logistics, Business, Engineering, or related field
5+ years** experience in material planning, supply planning, procurement coordination, or inventory management-ideally within outsourced/ external manufacturing environment
Strong working knowledge of ERP / MRP (SAP, Oracle, or similar) and planning fundamentals
Demonstrated experience managing suppliers/CMs in a global environment (multi-time-zone, multi-location)
Strong analytical and problem-solving capabilities with a structured, data-driven approach.
Familiarity with planning and supply chain concepts: lead times, MOQs, safety stock, forecast consumption, service/inventory trade-offs
Exposure to NPI/change control processes and lifecycle planning (phase-in/phase-out).

Preferred
APICS/ASCM certification (CPIM, CSCP) or equivalent.
Experience with Power BI (or similar), advanced Excel, and data visualization/reporting.

SKILLS REQUIRED:
Analytical Thinking & Problem Solving - Intermediate
Communication - Advanced
Contract Management - Basic
Cost Control and Analysis - Intermediate
Demand Management - Intermediate
Exception leadership - Advanced
Inventory Management - Advanced
Material Planning - Expert
Procurement - Intermediate
Risk Management - Intermediate
Stakeholder Management - Advanced
Supply and Inventory Management - Advanced

Our offer
Flexibility
Benefits
Development
Fitness
Security
Flexible and trust-based working hours, 30 vacation days + option for additional vacation days, mobile working, individual part-time models and programs for extended periods of absence
Attractive salary, share in Advantest ́s success through our exceptionally appealing bonus program as well as numerous subsidies, discounts and offerings (e.g. bike leasing)
Structured onboarding programs and mentoring, development discussions, technical and soft skill trainings, language courses and knowledge sessions
Ergonomic working environment, sports and fitness options and events (e.g. Global Challenge) as well as health days
Attractive company pension scheme, comprehensive insurance coverage and support in emergency situations

Take your next career step with us! Apply now, preferably via our online application tool.
If you have any questions, Ann-Kathrin Rupp will be happy to answer them at

For further information visit: now
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