Summary
Overview
Work History
Education
Skills
Certification
Software Skills
Timeline
Generic

John Yoo

Forest Hills,NY

Summary

Results-driven procurement professional with extensive experience leading strategic sourcing, procurement documentation, and vendor management initiatives for global aerospace and technology companies. Proven track record of delivering cost savings, enhancing supplier performance, and aligning procurement strategies with business goals. Skilled in stakeholder engagement, contract negotiation, FAR/DFARS compliance, and ERP systems.

Overview

16
16
years of professional experience
1
1
Certification

Work History

Principal Procurement Agent

THE BOEING COMPANY
09.2022 - 11.2024
  • Directly performed buying assignments of varying complexity, applying experience in assigned commodities and knowledge of purchasing policies and procedures. Received requisitions and analyzed them for quantity, specifications, drawings, and delivery requirements. Identified qualified sources, requested pricing and delivery information, competitively selected suppliers, documented procurement actions, and placed orders.
  • Mitigated production schedule risks and delays through weekly meetings and proactive follow-ups with key suppliers.
  • Negotiated favorable contract terms and pricing agreements, implementing cost-reduction strategies that resulted in annual savings of 5-15%, aligning with strategic sourcing goals.
  • Analyzed market trends, sales volume data, and inventory levels to develop targeted negotiation strategies; identified three new business opportunities that enhanced revenue streams and led to a 20% increase in overall contract value.
  • Managed supplier performance to drive cost reductions, quality improvements, and adherence to FAR/DFARS regulations, collaborating with sourcing teams to lead periodic reviews and improve delivery, quality, and lead times.
  • Led proposal evaluations and negotiations, ensuring all procurement activities aligned with company policies and government contracting requirements.
  • Developed alternate sources, ensuring continuity of supply, consistency of quality, competitive pricing.
  • Executed the full process of repair orders, including contract placement, vendor performance, delivery coordination, and the collection of required supporting documentation.
  • Collaborated successfully with cross-functional teams (planning, program management, engineering, legal, and logistics) to meet urgent procurement needs in a fast-paced, changing environment, ensuring on-time delivery of critical materials.
  • Monitored supplier performance and collaborated with sourcing to establish and lead periodic supplier reviews to improve their delivery and quality against Boeing’s requirements. Strategically planned, developed, and implemented initiatives with suppliers for cost, quality, and lead time improvement for parts, services, and supplies in coordination with Category Managers.
  • Secured long-term agreements (LTAs) for electronic parts, raw materials, chemicals, and resistors; optimized procurement processes to reduce lead times and ensure cost-effective sourcing, while maintaining compliance with regulatory standards and quality requirements.
  • Conducted market research to identify new suppliers and innovative materials, ensuring that the company remains competitive in the rapidly evolving aerospace industry.
  • Analyzed and reported KPIs—including on-time delivery, past due items, rejection rates, and procurement cycle times—to assess both internal operational efficiency and supplier performance, ensuring alignment with contract terms.
  • Created, led, and sustained a root cause and countermeasure process to reduce materials-driven out-of-service time, ensuring continuous improvement through active communication with senior leadership.
  • Managed government purchase orders (POs) across a broad range, including those under $10K and up to over $750K, ensuring compliance with FAR/DFARS regulations, and overseeing the submission and review of TINA certificates for contracts over $750K to ensure the accuracy and completeness of cost or pricing data.

Senior Procurement Agent

L3 HARRIS TECHNOLOGIES
02.2017 - 02.2022
  • Strategically sourced and procured machinery, factory and capital equipment, CNC machines, electrical, electronic and electromechanical components, raw materials, chemicals, wire harnesses, hydraulic actuators, avionics modules, machined parts, circuit boards, active and passive RF components, traveling wave tubes, fasteners, rental services, computer hardware, all company IT software and related supplies for both direct and indirect procurement across the organization.
  • Served as a subject matter expert in supplier sourcing and award recommendations.
  • Worked cross-functionally with engineering, planning, compliance, legal, quality, program management, and the departmental director to align product offerings with customer needs.
  • Prepared requests for quotes (RFQs) and evaluated responses, negotiated prices, terms, and conditions, and maintained necessary records.
  • Liaised with Senior Engineering personnel and Management to interpret specifications, collaborated to draft SOWs, competitively bid requirements (RFI/RFP), and negotiated supplier agreements.
  • Led Request for Proposal (RFx) processes and supplier negotiations to drive strategic IT cost-saving initiatives.
  • Negotiated commercial terms with suppliers, collaborating with Legal and Contract Operations to ensure cost savings, service level standards, risk mitigation, and timely renewals.
  • Maintained full ownership of vendor deliveries, ensured timely follow-up on all awards, and expedited the purchase of parts and materials in short or critical supply.
  • Negotiated favorable commercial terms with suppliers, collaborating with Legal, Purchasing, and Contract Operations to ensure cost savings, service level standards, risk mitigation, and timely renewals.
  • Achieved $200,000 in competition and negotiation savings in 60% of purchase order packages by analyzing historical purchasing data records on SAP and strategically negotiating pricing by using a comparative analysis tool including in-house estimates, market research, and analyzing similar-part comparison.
  • Partnered with the contract manager to update PIAs and NDAs prior to order placement or submission of drawings/specifications, ensuring compliance during new product and service design.
  • Managed purchase contracts for maintenance, repair, and operations (MRO); equipment installation; and vendor management, including sending Statements of Work and drawings to suppliers, ensuring vendors met service and quality requirements, adhered to milestones, and provided cost and pricing proposals. Responsible for adding funds to purchase contracts.
  • Mentored and coached teammates to support growth and development.
  • Identified and mitigated risks within the supply chain by developing contingency plans, working with alternative suppliers, and ensuring supply chain resilience.
  • Managed supplier performance scorecards of 20 suppliers for each quarter by monitoring their late deliveries, quality of finished goods, and integrating a performance improvement plan for suppliers who are performing at an unsatisfactory.
  • Acquired government purchase orders ranging from under $10K to over $750K, ensuring 100% compliance with FAR/DFARS regulations. Supervised TINA certificate submissions and reviews for contracts exceeding $750K, ensuring the accuracy and completeness of cost and pricing data, resulting in smoother contract approvals and reduced audit risks.

Experienced Buyer

ZODIAC AEROSPACE (SAFRAN)
05.2016 - 11.2016
  • Consulted with external customers to resolve any supplier performance issues.
  • Worked closely with procurement operations to review purchase requisitions for accuracy, monitor service ticket status, confirm Purchase Orders, and facilitate contract renewals.
  • Ensured that the OEM supplier provided proper paperwork and certifications with each order line.
  • Provided oversight and management of supply and demand, delivery, and financial performance.
  • Supported sourcing strategies, negotiations, and documentation of contracts and agreements.
  • Communicated performance expectations and metrics to evaluate and monitor supplier performance.
  • Followed up with receiving and accounting to address any problems, such as invoice price discrepancies, packing slip errors, customer claims, returns, and warranty issues.

Buyer and Purchasing Analyst

MURAKAMI AMERICA, INC.
11.2012 - 05.2016
  • Implemented fiscal responsibility while negotiating contracts, pricing agreements, and terms and conditions.
  • Analyzed supplier performance, market trends, sales volume, and inventory levels to develop negotiation and business strategies, build reporting metrics for stakeholders, and identify new business opportunities.
  • Addressed customers' requests for quotes daily and conducted price negotiations with suppliers and vendors.
  • Determined pricing mark-ups and issued purchase orders based on manufacturer quotes, as appropriate, for overseas customers.
  • Managed supply chain logistics by liaising between customers' engineering teams and suppliers to ensure compliance with all technical specifications, production timelines, and delivery schedules.
  • Negotiated terms and conditions with suppliers and customers, provided training for end users, and resolved post-sale technical and warranty issues.
  • Coordinated all documents related to accounts payable, accounts receivable, RMAs, quotes, shipping documents, and airway bills.
  • Verified bills from suppliers against bids and purchase orders when discrepancies arise.

Client Service Manager

RELIANT TAX CONSULTING, INC.
05.2009 - 04.2012
  • Offered key support to the controller and vice president of the company.
  • Managed database information and prepared plans best suited individual clients' requirements.
  • Performed accounts receivable, accounts payable, and client billing.
  • Created weekly and monthly spending reports and analyzed accounting records.
  • Prepared various federal and state tax credits for corporations, including enterprise zone tax credits, hiring credits, and work opportunity tax credits.
  • Maintained federal and state tax credit program updates with federal and state agencies.
  • Evaluated tax credit opportunities for new and existing clients.
  • Assisted clients in using tax credits on original tax returns.

Education

Bachelor of Arts - Liberal Studies - Education

California State University, Northridge

Skills

  • Cost Analysis
  • ERP systems
  • Leadership
  • FAR and DFARS compliance
  • Project Management
  • Price Analysis
  • Procurement documentation
  • Government contracts
  • Strategic sourcing
  • Supplier Performance Management
  • Commodity and Technical Expertise
  • Process improvement and optimization
  • KPI reporting
  • Market analysis
  • Long-term agreements (LTAs)
  • Procurement strategies
  • Cross-functional collaboration
  • Contract Negotiation & Management
  • Cost Reduction & Value Engineering
  • Risk Management

Certification

CPIM certification

Software Skills

Infor LN, Infor M3, SAP Ariba, Oracle, FileMaker Pro, Microsoft Office (Excel, Outlook, Word) Supply Chain Common Systems: EPIC, NWP, SDF, SMPP, CAPRS, EXOSTAR

Timeline

Principal Procurement Agent

THE BOEING COMPANY
09.2022 - 11.2024

Senior Procurement Agent

L3 HARRIS TECHNOLOGIES
02.2017 - 02.2022

Experienced Buyer

ZODIAC AEROSPACE (SAFRAN)
05.2016 - 11.2016

Buyer and Purchasing Analyst

MURAKAMI AMERICA, INC.
11.2012 - 05.2016

Client Service Manager

RELIANT TAX CONSULTING, INC.
05.2009 - 04.2012

Bachelor of Arts - Liberal Studies - Education

California State University, Northridge

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