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Why Castelion, Why Now

Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus and technical excellence are decisive advantages - and we are building a team that can deliver real capability, not just concepts.

Sr. Buyer, Avionics, Strategic Sourcing

As a Senior Buyer in our Strategic Sourcing Team focused on Avionics and electronics, you will be integral in working with the cross-functional groups defining, designing, building, and testing Castelion avionics and electronics subsystems. This role requires an established supply chain professional with breadth to engage new suppliers and program sourcing strategies to align with short term development schedules and long term sourcing focus for low cost, sustainable supply chain plans. We seek intelligent, collaborative, and driven leaders who are passionate about problem-solving and eager to lay the groundwork for an extraordinary mission. If you thrive in challenging environments and are excited by the prospect of making a tangible impact, we want to hear from you.

Responsibilities

• Support the development and execution of production strategies by working with the strategic sourcing, manufacturing, and engineering teams to ensure reliable supply for upcoming product development and production.
• Assist in evaluating and selecting supply plans based on quality, reliability, and cost-effectiveness to maintain a robust supply base capable of Castelion's rapid development and production.
• Track and report on supply plans based on a master schedule set in a Material Requirements Planning engine.
• Collaborate with key stakeholders to improve quality, reduce costs, and enhance service levels while addressing risks and compliance requirements.
• Participate in contract negotiations, including pricing, technical requirements, and compliance terms.
• Facilitate design for manufacturability reviews with input from supplier quality and engineering teams.
• Forecast spend, supply, and infrastructure requirements through close collaboration with business stakeholders and operations plans.
• Collaborate with engineering and quality teams to address and resolve issues with rejected materials, aiming to prevent future quality problems.
• Provide regular updates to key stakeholders on critical supply issues and maintain strong relationships with suppliers, with expected travel between Torrance, CA and Allen, TX.
• Ensure adherence to company policies, procedures, and relevant government regulations.

Basic Qualifications

• Educational Background: Bachelor's degree or equivalent
• Technical Proficiency: 4+ years of experience working in a related field, program, or project
• Relevant Commodities: 4+ years of experience working in Avionics, PCBs/PCBAs, Electrical, Electronic, and Electromechanical components (EEE), Instrumentation, or Radio Frequency (RF) Supply Chain organizations

Preferred Skills and Experience

• System Experience: Experience with MRP or ERP systems, and with managing bill of materials, work orders, and purchase orders, and the total ownership of the data within them.
• Technical Expertise: Comprehensive mechanical and electrical domain knowledge, including experience sourcing machined parts, active/passive EEE components, PCBs, and PCBAs. Demonstrated understanding of component suppliers, manufacturing processes, and DFM/DFA principles.
• Problem-Solving: Innovative problem-solving approach using critical thinking, including utilization of learnings from an American Production and Inventory Control Society (APICS) certification, Six Sigma certification, or similar certifications and data analysis using Excel, SQL, or an advanced analytics software.
• Contract Negotiations: Crafting Master Service Agreements (MSAs), Long-Term Agreements (LTAs), and Buffer Stock / VMI (Vendor-Managed Inventory) agreements.
• Design for Manufacturability/Supply Chain (DFM/DFSC): Engaging early with Hardware Design Engineers during NPI (New Product Introduction) to select alternate parts and second sources before design freeze.
• Clearance: Active US Government security clearance or the ability to get one.

Other Duties

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice.

Benefits And Perks

All full-time employees are granted meaningful long-term equity, sharing in the company's significant growth trajectory. We offer four (4) weeks of paid time off, ten (10) company-paid holidays, and comprehensive health benefits - including 100% employee-covered medical and strong dependent coverage, along with dental and vision plans. We also provide paid parental leave to support growing families, a $100 monthly fitness stipend to promote health and performance, and onsite EV charging for convenience. In addition, employees enjoy perks like catered meals, company-covered food during high-demand periods, and a fully stocked kitchen to stay fueled throughout the day.

While this position does not currently require a U.S government-issued security clearance, it may in the near future. Therefore, the ability to obtain and maintain a U.S. government–issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

Affirmative Action/EEO Statement

Employment with Castelion is governed on the basis of competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.