Outsourced Semiconductor Assembly and Test (OSAT) Account Manager

• OSAT Account Manager (m/f/d)
• Advanced Electronics & Semiconductor Solutions (AESS) – AUMOVIO

Role Purpose

• The OSAT Account Manager is responsible for the end‑to‑end operational management of OSAT partners for assembly and test activities.
• The role ensures stable execution, delivery reliability, quality performance, and capacity availability across all assigned AESS semiconductor programs.
• The OSAT Account Manager acts as the single operational interface to OSATs, while commercial negotiations and contracting are led by Purchasing.
• This position owns purchase order execution, supplier performance steering, and cross‑functional alignment to secure smooth backend operations.

Key Responsibilities

• OSAT Operational Account Ownership
• Own the day‑to‑day operational relationship with assigned OSAT partners.
• Act as the primary interface for execution, delivery, capacity, and issue resolution.
• Coordinate OSAT activities across multiple programs, packages, and sites.
• Lead regular operational reviews focusing on delivery, yield, quality, and risks.
• Purchase Order & Demand Execution
• Create, manage, and release purchase orders (POs) in alignment with demand forecasts and program needs.
• Ensure PO correctness regarding volumes, dates, sites, and part numbers.
• Monitor PO fulfillment, backlog, and shipment status.
• Coordinate changes to POs (schedule, volume, site) in alignment with Program Management and Supply Chain.
• Delivery, Capacity & Ramp‑Up Management
• Ensure on‑time delivery and sufficient OSAT capacity for prototypes, ramps, and volume production.
• Coordinate capacity planning, ramp‑ups, and peak volume scenarios.
• Identify potential capacity bottlenecks early and initiate mitigation actions.
• Support site transfers, dual sourcing, and contingency plans where required.
• Supplier Performance & KPI Steering
• Monitor and steer OSAT operational KPIs, e.g.:
• On‑time delivery (OTD)
• Yield and scrap
• Cycle time and turnaround time
• Test stability and fallout trends
• Drive corrective actions together with OSAT operations and engineering teams.
• Escalate performance issues internally and externally in a structured manner.
• Quality & Change Interface
• Work closely with Supplier Quality Management (SQM) on audits, qualifications, deviations, and 8D activities.
• Ensure proper execution of change management (process, material, site changes).
• Support automotive and industrial compliance requirements

(e.g. IATF 16949, AEC‑Q, customer‑specific standards).

• Cross‑Functional Coordination
• Interface closely with Program Managers (PM), Technical Project Managers (TPM), Operations, Logistics, and Quality.
• Support package and test decisions from an execution, risk, and capacity perspective.
• Ensure alignment between customer demand, internal planning, and OSAT execution.
• Interface to Purchasing
• Act as the operational counterpart to Purchasing for OSAT topics.
• Provide input for price discussions, cost transparency, and supplier assessments (without leading negotiations).
• Support implementation of negotiated agreements into operational execution and PO processes.
• Degree in Engineering, Industrial Engineering, Supply Chain, or Business Administration, or comparable.
• 5+ years experience in semiconductor backend operations, OSAT management, or supplier operations.
• Solid understanding of assembly & test processes, automotive/industrial requirements, and production flows.
• Experience with PO management and operational supplier control.
• Experience in a fabless semiconductor or automotive environment is a strong advantage.

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