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About the job

onsemi is seeking a highly driven and collaborative sourcing manager to join the Procurement organization as Manager, Backend Sourcing, based in Scottsdale, Arizona or San Jose, California. This role is responsible for managing strategic engagement with semiconductor assembly, test, packaging, substrate, and related backend manufacturing partners. You will develop and execute sourcing strategies that deliver market-competitive cost, supply assurance, quality, technology access, and alignment with onsemi’s product and manufacturing roadmaps. You will work closely with Business Units, Package Engineering, Test Engineering, Operations, Quality, Finance, Legal, and Supply Chain to translate strategy into disciplined commercial and operational execution.

Team & Sourcing Leadership

Lead, coach, and develop a sourcing team responsible for semiconductor assembly, test, packaging, substrates, and related backend services

Develop and execute category and supplier strategies aligned with corporate objectives, Business Unit growth plans, and package and test technology roadmaps

Manage relationships with key OSAT, substrate, test, and backend manufacturing suppliers across the United States, Asia, and Europe

Balance long-term capacity, technology, cost, and supplier-development priorities with near-term operational requirements

Supplier Relationship & Market Management

Own day-to-day and senior-level relationships with strategic backend suppliers and build partnerships beyond transactional sourcing

Implement Supplier Relationship Management governance, joint improvement roadmaps, and regular business reviews

Prepare and lead supplier business reviews, track commitments, and drive timely closure of actions and escalations

Monitor backend market dynamics, packaging and test technology trends, capacity conditions, geopolitical risks, and supplier capabilities

Commercial & Negotiation Management

Lead negotiations for assembly, test, packaging, substrate, tooling, capacity, contracts, statements of work, and non-recurring engineering

Manage RFQs, cost-model analysis, market benchmarking, bid normalization, and fact-based supplier counterproposals

Negotiate agreements that secure supply, quality, flexibility, and competitive cost while managing commercial risk and long-term commitments

Build and execute cost-reduction roadmaps and value-creation initiatives with suppliers and internal stakeholders

Operational Execution & Cross-Functional Alignment

Partner with Supply Chain and Planning to translate demand forecasts into assembly, test, substrate, and backend capacity plans

Support new product introductions, package and test qualifications, production ramps, transfers, and business continuity plans

Align suppliers with product, package, test, quality, yield, cycle-time, and manufacturing roadmaps

Coordinate decisions and execution across global Business Units, Engineering, Operations, Quality, Finance, Legal, and Supply Chain teams

Performance Management & Continuous Improvement

Establish and manage supplier KPIs across cost, quality, delivery, yield, cycle time, capacity, technology, and responsiveness

Drive commercial and operational corrective actions, escalation management, and continuous improvement with suppliers

Optimize the backend supplier portfolio to improve competitiveness, resilience, geographic diversification, and technology coverage

Deliver measurable savings, cost avoidance, working-capital improvement, and supply-risk reduction

Qualifications

10+ years of semiconductor industry experience, including significant responsibility in backend sourcing, assembly and test manufacturing, packaging, substrates, supply chain, operations, or a related field

Proven experience leading teams, managing complex projects, and influencing across global, matrixed organizations

Strong record of negotiating assembly, test, packaging, substrate, capacity, and complex commercial agreements

Deep understanding of semiconductor backend economics, package and test technologies, manufacturing flows, supply dynamics, and supplier cost drivers

Demonstrated ability to translate Business Unit, product, package, and test requirements into actionable sourcing strategies

Bachelor’s degree in engineering, supply chain, business, finance, or a related field

Preferred Qualifications

Based in or able to work from Scottsdale, Arizona or San Jose, California, with flexibility for global travel

Established relationships within the global OSAT, substrate, test, packaging, and backend manufacturing ecosystem

Experience sourcing across conventional and advanced packaging, wafer-level packaging, assembly, final test, wafer sort, and substrates

Advanced degree and a track record of delivering sustained cost, capacity, quality, technology, and risk-management results

onsemi (Nasdaq: ON) is driving disruptive innovations to help build a better future. With a focus on automotive and industrial end-markets, the company is accelerating change in megatrends such as vehicle electrification and safety, sustainable energy grids, industrial automation, and 5G and cloud infrastructure. With a highly differentiated and innovative product portfolio, onsemi creates intelligent power and sensing technologies that solve the world’s most complex challenges and leads the way in creating a safer, cleaner, and smarter world.

More details about our company benefits can be found here:

https://www.onsemi.com/careers/career-benefits