Strategic Buyer: CNC Machined Parts & Assemblies

Castelion Corporation; Torrance (CA); On-site; USD 110,000 - 170,000; Full time

Benefits offered by this job

Benefits package

Job summary

Castelion Corporation seeks a Senior Buyer for CNC machined parts and assemblies to drive strategic sourcing in a fast-paced aerospace/defense setting. You will partner with engineering, manufacturing, quality, planning, and finance to ensure material readiness for rapid development and production.

Ideal candidates have strong CNC machining knowledge, global supplier networks, and a track record of cost reductions while maintaining high quality, schedule, and compliance standards.

Qualifications

• Bachelor’s degree or equivalent experience in supply chain, engineering, manufacturing, or related field.
• 5+ years of experience in purchasing, strategic sourcing, supply chain, supplier management, or related role in aerospace/defense or complex manufacturing.
• Demonstrated experience sourcing CNC machined parts and assemblies, including metallic and non-metallic materials.

Responsibilities

• Source, qualify, and manage suppliers for CNC machined parts and assemblies across metallic and non-metallic materials.
• Translate drawings, specifications, GD&T, and inspection needs into sourcing strategies.
• Lead RFQs and competitive bidding events; analyze quotes, should-cost drivers, and terms.
• Negotiate pricing, lead times, terms, quality requirements, and other commercial terms.
• Own PO execution and supplier follow-through, including demand signals and delivery dates.
• Support DFM/DSCC reviews to identify machining risks and cost-reduction options.
• Coordinate with planning to maintain accurate ERP/MRP data and master records.
• Monitor supplier performance and communicate issues and recovery plans.

Skills

Purchasing experience

Strategic sourcing

Supply chain

Supplier management

RFQ experience

Education

Bachelor’s degree or equivalent experience

Tools

Excel

SQL

Job description

Castelion Corporation seeks a Senior Buyer for CNC machined parts and assemblies to drive strategic sourcing in a fast-paced aerospace/defense setting. You will partner with engineering, manufacturing, quality, planning, and finance to ensure material readiness for rapid development and production.

Ideal candidates have strong CNC machining knowledge, global supplier networks, and a track record of cost reductions while maintaining high quality, schedule, and compliance standards.