Buyer, Indirect Procurement

Responsibilities

• Process purchase requisitions and issue purchase orders for indirect materials, equipment, and services.
• Review purchasing requests for completeness, accuracy, required approvals, and supporting documentation.
• Obtain supplier quotations and assist with evaluating pricing, availability, lead time, payment terms, and commercial requirements.
• Coordinate with stakeholders to clarify scopes of work, specifications, delivery requirements, and requested need dates.
• Monitor open purchase orders and communicate order status, delivery risks, and changes to internal stakeholders.
• Follow up with suppliers to expedite critical orders and resolve late deliveries, invoice discrepancies, damaged shipments, and other transactional issues.
• Support supplier onboarding by collecting required documentation and coordinating with internal teams.
• Maintain accurate supplier, purchase-order, pricing, lead-time, and delivery information within Castelion’s procurement and ERP systems.
• Assist with negotiations involving pricing, freight, lead time, minimum-order quantities, payment terms, and other standard commercial conditions.
• Support competitive bidding, supplier comparisons, spend analysis, and cost-reduction initiatives.
• Partner with facilities, manufacturing, engineering, finance, information technology, security, and other departments to support operational purchasing requirements.
• Help ensure purchasing activities comply with Castelion policies, approval requirements, contractual obligations, and applicable government regulations.
• Develop productive supplier relationships and provide responsive support to internal customers.
• Identify opportunities to improve purchasing processes, supplier responsiveness, and transaction efficiency.
• Basic Qualifications
• Bachelor’s degree in supply chain, business, finance, operations, or a related field, or equivalent education and experience.
• Up to two years of experience in purchasing, procurement, supply chain, operations, accounts payable, order management, or a related function. Relevant internships or co-op experience may be considered.
• Strong organizational skills and attention to detail.
• Ability to manage multiple priorities and follow assignments through completion.
• Clear written and verbal communication skills.
• Working knowledge of Microsoft Excel and other Microsoft Office applications.
• Preferred Skills and Experience
• Experience creating or managing purchase orders in an ERP, MRP, procurement, or purchasing system.
• Exposure to indirect procurement categories such as facilities, MRO, equipment, tooling, professional services, software, office supplies, or general operations.
• Experience requesting and comparing supplier quotations.
• Familiarity with supplier onboarding, invoice reconciliation, or accounts-payable processes.
• Ability to analyze basic pricing, spend, delivery, and supplier-performance data.
• Experience working in aerospace, defense, manufacturing, technology, construction, or another fast-paced operational environment.
• Basic understanding of procurement terms, including lead time, payment terms, freight, warranties, and total cost.
• Interest in developing knowledge of FAR/DFARS, ITAR/EAR, and government-contracting requirements.
• Demonstrated initiative, sound judgment, curiosity, and willingness to learn.
• Castelion offers a generous benefits package. Please refer to the bottom of our Careers page for more details.
• 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.
• Additional Eligibility Requirements
• This position may require access to classified information or restricted U.S. Government sites, systems, or information, as determined by the Company and/or applicable U.S. Government requirements. If the position is so designated, your employment in the role may be contingent upon your ability to obtain and maintain the required U.S. Government security clearance or other government authorization, and to satisfy any citizenship or other eligibility requirements imposed by applicable law, regulation, executive order, or government contract requirements. You will be notified if and when such requirements apply.
• Affirmative Action/EEO Statement
• Castelion is an Equal Opportunity Employer. We are committed to providing equal employment opportunities to all applicants and employees without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, genetic information, protected veteran status, or any other characteristic protected by applicable federal, state, or local law.
• Castelion is committed to providing reasonable accommodations to qualified individuals with disabilities throughout the application and hiring process. If you require a reasonable accommodation to complete an application, participate in the interview process, or otherwise participate in the hiring process, please contact [email protected]. Requests for accommodation will be considered on an individual basis and handled in accordance with applicable law.
• Castelion is committed to fostering a workplace where employment decisions are based on qualifications, business needs, and the ability to perform the essential functions of the role, with or without reasonable accommodation.
• EAR/ITAR Requirements
• This position requires access to export-controlled information, and as such, employment (or hiring of a contractor) is contingent upon the candidate’s ability to access all applicable export-controlled information without additional export licensing being required by the Bureau of Industry and Security and/or the Directorate of Defense Trade Controls.