Buyer

Buyer is responsible for the procurement of electronic components and related materials required to support PCBA production, ensuring parts are accurately sourced, ordered, and delivered to meet build schedules and customer commitments.

Buyer works closely with Project Management, Planning, Engineering, Quality, Receiving, and Production, and interfaces directly with external customers and suppliers to keep orders on schedule and meet all delivery commitments. This role serves as a key member of the Customer Focus Team and supports high-profile accounts.

Buyer is expected to demonstrate strong ownership, attention to detail, sound negotiation skills, and clear, professional communication. Each Buyer manages procurement activities for assigned customer accounts and collaborates across departments to maintain efficient production flow and exceptional customer satisfaction.

Primary Responsibilities Purchasing & Procurement

• Source and purchase electronic components and related materials in accordance with customer Bills of Materials (BOMs), build schedules, and committed ship dates • Create, issue, and manage purchase orders (POs) in ESC’s Epicor ERP system, ensuring accuracy of part numbers, revisions, quantities, pricing, and delivery dates • Negotiate pricing, lead times, payment terms, and delivery commitments with suppliers, distributors, and franchised vendors to achieve cost, quality, and schedule targets • Review MRP demand and planning signals to determine purchasing requirements and place timely orders that align material availability with production needs • Manage the open PO backlog, confirm order acknowledgements, and expedite or de-expedite deliveries as needed to support changing demand • Identify and pursue cost-reduction opportunities, alternate sources, and last-time/end-of-life (EOL) buys while maintaining approved vendor and component requirements Accredited NSF | AS9100D | ISO9001 | ISO-13485 Registered Customer & Cross-Functional Coordination • Interface directly with external customers as a key procurement contact, providing material status and supporting their delivery commitments • Team closely with Project/Program Management to align purchasing activity with program milestones, customer priorities, and committed ship dates • Participate in customer and internal weekly meetings to provide clear updates on material availability, PO status, and component lead times • Provide timely purchasing and material status to Project Managers, Planners, and other stakeholders • Operate as a key contributing member of the Customer Focus Team, collaborating with Program Management, Planning, Production, Engineering, Receiving, Stockroom, and Document Control Supplier, Shortage & Material Availability Management • Proactively identify and resolve electronic component shortages, including recommending expedites, alternates, or substitutions when appropriate • Partner with the Receiving department to ensure incoming materials are processed, inspected, and made available in a timely manner to support production schedules • Track and drive Last Part In (LPI) to ensure all materials are available to support on-time delivery • Use ERP/MRP (Epicor) and planning tools to forecast potential material and capacity constraints and recommend purchasing solutions (e.g., buffer stock, alternate sourcing, or schedule adjustments) • Coordinate with Document Control to ensure customer part numbers and revisions are correctly set up in the system and aligned with customer Bills of Materials (BOMs) • Work with the Quality department to address supplier-related holds, inspections, or nonconformances that may impact material availability or delivery schedules, and manage supplier corrective actions as needed • Develop and maintain supplier relationships and support the Approved Vendor List (AVL), monitoring supplier performance for quality, delivery, and responsiveness Requirements

Hands on PCBA / Electronics Manufacturing Experience as it pertains to the desired role
Strong working knowledge of IPC-610 / J-STD Compliance regulations
Local candidates only, please. 2026
ITAR Compliance Required: US Citizen / Legal US Permanent Resident
Relocation stipends are not available 
Minimum 3 to 5 years of experience as an electronics buyer, purchasing agent, or procurement specialist • Strong, hands-on experience with ERP/MRP systems; experience with Epicor is highly preferred • Advanced working knowledge of Microsoft Excel (e.g., VLOOKUP, pivot tables, data analysis) • Experience in the manufacturing industry; contract manufacturing preferred • Demonstrated negotiation, sourcing, and supplier management skills

Equal Opportunity Employer / Disabled / Protected Veterans

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For temporary assignments lasting 13 weeks or longer, AppleOne is pleased to offer major medical, dental, vision, 401k and any statutory sick pay where required.

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We also consider for employment qualified applicants regardless of criminal histories, consistent with legal requirements, including, if applicable, the City of Los Angeles’ Fair Chance Initiative for Hiring Ordinance. Pursuant to applicable state and municipal Fair Chance Laws and Ordinances, we will consider for employment-qualified applicants with arrest and conviction records, including, if applicable, the San Francisco Fair Chance Ordinance. For Los Angeles, CA applicants: Qualified applications with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act.