Strategic Sourcing Manager (Seoul, South Korea)

Position Overview

MangoBoost is seeking an experienced Strategic Sourcing Manager to lead the strategic sourcing and procurement of critical IT infrastructure components, including CPUs, GPUs, memory, SSD/NVMe, networking equipment, and barebone servers.

In this role, you will drive measurable cost savings and improve product margins through strategic supplier negotiations, should-cost and Total Cost of Ownership (TCO)-based sourcing decisions, and long-term supply agreements. You will also oversee purchasing decisions and delivery strategies based on negotiated commercial terms while developing sourcing strategies that ensure supply continuity through supplier diversification and proactive allocation management.

Responsibilities & Opportunities

Cost Optimization & Contract Negotiation

• Lead strategic negotiations with vendors and distributors to secure competitive pricing and achieve measurable cost-saving targets.
• Develop and maintain should-cost and Total Cost of Ownership (TCO) models to support data-driven sourcing decisions.
• Structure, negotiate, and manage long-term supply agreements (LTAs), volume discount programs, capacity reservation agreements, and other commercial contracts.
• Lead sourcing activities including RFI, RFQ, and RFP processes, supplier evaluations, and commercial bid analysis.

Purchasing Decisions & Delivery Strategy

• Make purchasing decisions based on negotiated commercial terms, including order timing, purchase quantities, and procurement strategies, while coordinating execution with the SCM team.
• Develop delivery strategies by negotiating lead times and identifying opportunities to improve supplier responsiveness.
• Establish expedite strategies for critical shortages, including allocation negotiations, supplier prioritization, and alternative sourcing decisions.

Category Sourcing Strategy

• Develop category sourcing strategies and spend analyses across CPUs, GPUs, memory, SSD/NVMe, networking equipment, and barebone servers.
• Monitor market trends, pricing movements, and supplier landscapes to optimize sourcing decisions.
• Develop procurement strategies and negotiate pricing for allocation-constrained commodities such as DRAM and NAND.

Multi-Channel Sourcing & Supplier Network Management

• Develop and manage sourcing strategies across multiple procurement channels, including direct manufacturers (OCM/ODM), authorized distributors, resellers, spot markets, and brokers.
• Leverage supplier, distributor, and broker networks to proactively secure critical component allocation and supply priority.
• Optimize sourcing channels based on market conditions by balancing contracted supply with spot purchases when necessary.
• Establish risk management processes for broker and spot purchases, including counterfeit prevention, authenticity verification, and product traceability.

Supplier Development & Strategic Relationship Management

• Identify and qualify alternative suppliers to diversify the supply base, reduce concentration risk, and optimize the supplier portfolio.
• Evaluate suppliers' commercial capabilities, including pricing, contractual terms, and financial stability, and manage supplier onboarding.
• Build strategic partnerships with key suppliers that influence MangoBoost's product roadmap.
• Collaborate with the R&D organization to align supplier technology roadmaps, including PCIe generation transitions and next-generation SSD and GPU technologies.
• Manage supplier performance with a focus on commercial execution, cost competitiveness, and contract compliance.

Cross-Functional Sourcing Strategy

• Partner with Product, Finance, and Legal teams to develop sourcing strategies aligned with CapEx forecasts and infrastructure deployment schedules.
• Align cost-saving initiatives and procurement budgets with Finance.
• Collaborate with Legal to negotiate and review supplier agreements, including pricing, warranties, liabilities, and contractual risk provisions.

Required Qualifications

• 7+ years of Procurement or Strategic Sourcing experience within the server, data center, or semiconductor industries.
• Proven track record of delivering measurable cost savings through strategic supplier negotiations and managing long-term supply agreements, including LTAs, volume discounts, and capacity reservation contracts.
• Experience developing and utilizing should-cost and TCO models.
• Experience implementing multi-source strategies and managing supplier concentration risk.
• Strong sourcing network across direct manufacturers (OCM/ODM), distributors, resellers, spot markets, and brokers.
• Solid understanding of server hardware technologies, including CPUs, GPUs, memory, SSD/NVMe, networking equipment, and barebone servers.
• Experience managing purchase orders, on-time delivery (OTD), and ERP/procurement systems such as SAP or Oracle.
• Experience developing sourcing strategies through cross-functional collaboration with Hardware Engineering, Finance, and Legal teams.
• Strong business-level English communication skills, with experience working with U.S.-based teams and global suppliers.

Preferred Qualifications

• Experience sourcing and expediting allocation-constrained, long lead-time components such as GPUs, HBM, and memory, including spot procurement, broker management, and counterfeit risk mitigation.
• Procurement or Strategic Sourcing experience at hyperscalers, server OEM/ODM companies, or global semiconductor manufacturers.
• Experience using spend analytics and e-sourcing platforms.
• Professional procurement certifications such as CPSM or CPP.
• Experience working in startups or fast-growing global organizations.

About us

MangoBoost, Inc.

Agentic AI is fundamentally reshaping the paradigm of AI infrastructure. As environments emerge where countless AI agents operate simultaneously, conventional data center architectures are reaching their limits in both performance and efficiency. In response to this shift, MangoBoost is pioneering a new approach with its full-stack AI infrastructure solution designed to innovate every layer of the AI data center.

From LLMBoost, our AI inference optimization software, to GPU and storage systems powered by our proprietary DPU architecture, and orchestration software that seamlessly integrates and manages the entire stack, MangoBoost designs and develops every layer of AI infrastructure in-house. Rather than building isolated products, we focus on eliminating system-wide bottlenecks and fundamentally addressing inefficiencies across the entire infrastructure stack.

MangoBoost’s technology minimizes data movement and coordination overhead while maximizing overall system resource utilization, enabling exceptional performance and optimized total cost of ownership (TCO) for customers. Today, our solutions are already being deployed within real-world AI infrastructure environments through global partners, validating the strength of our technology. Through these efforts, MangoBoost is establishing a new global standard for AI data centers.

Notice Regarding Return of Hiring Documents

• This notice is in accordance with Article 11, Section 6 of the Fair Hiring Procedure Act, which allows job applicants, excluding the final successful candidate, to request the return of any recruitment documents they have submitted.
• Job applicants who were not selected as the final candidates in the recruitment process are entitled to request the return of the recruitment documents they submitted within 180 days of the date the employment decision is confirmed. However, this does not apply to documents submitted via the website or email, or documents voluntarily submitted by the applicant without the company’s request. If the recruitment documents are lost due to natural disasters or other reasons for which the company is not responsible, it will be considered as having been returned.
• Applicants wishing to request the return of their recruitment documents should fill out the Request for Return of Hiring Documents [Form 3 of the Enforcement Rules of the Fair Hiring Procedure Act] and submit it by email (recruiting@mangoboost.io). The documents will be sent by registered mail to the designated address within 14 days from the confirmation of submission. Please note that the cost of registered mail will be borne by the recipient.
• The company will keep the recruitment documents for 180 days following the confirmation of the employment decision. If no request for the return of documents is made within that period, the company will dispose of all recruitment documents without delay in accordance with the Personal Information Protection Act.