Senior Buyer

CACI•Oklahoma City, OK

About The Position

Join a high-performing procurement organization supporting government and defense programs. The Senior Buyer leads complex direct procurement activities for materials, equipment, and services, serving as a procurement partner to program management, engineering, contracts, finance, and suppliers. The role ensures requirements are fulfilled on schedule, within budget, and in compliance with regulatory and contractual requirements. The Senior Buyer applies strategic sourcing and supply chain practices to drive value, mitigate risk, and support operational excellence. The position manages high-visibility procurements, influences supplier performance, negotiates commercial terms, and contributes to government customer and national security program success. It also manages procurement actions of increasing complexity and value and provides guidance to less experienced procurement professionals.

Requirements

Bachelor's degree in Business, Supply Chain Management, Procurement, Finance, or a related field, or an equivalent combination of education and experience.
At least 5 years of procurement, purchasing, supply chain, or subcontract administration experience supporting government contracts, aerospace, defense, or highly regulated industries.
Experience administering purchase orders and managing supplier relationships throughout the procurement lifecycle.
Working knowledge of FAR, DFARS, and government contracting requirements.
Demonstrated experience negotiating pricing, terms and conditions, lead times, and supplier agreements.
Experience using ERP and Procure-to-Pay systems such as Costpoint, SAP, Oracle, or similar platforms.
Strong analytical, organizational, and problem-solving skills, including the ability to manage multiple priorities in a fast-paced environment.
Excellent communication and stakeholder management skills.
Proficiency with Microsoft Excel, Word, and procurement reporting tools.

Responsibilities

Lead end-to-end procurement for direct materials, equipment, and services supporting government contracts and internal business requirements.
Analyze material requirements, review purchase requisitions, develop sourcing strategies, and execute competitive procurement actions.
Solicit, evaluate, and negotiate supplier proposals to achieve value while balancing cost, quality, schedule, and contractual requirements.
Manage complex purchase orders and subcontract procurements from award through closeout, ensuring timely delivery and compliance with program objectives.
Partner with engineering, quality, operations, contracts, and program management teams to resolve supply chain challenges and support program execution.
Evaluate supplier performance and develop corrective actions for quality, delivery, capacity, and commercial issues.
Identify and mitigate supply chain risks, material shortages, schedule impacts, and cost escalation concerns.
Support proposal activities, cost analyses, market research, and supplier negotiations.
Resolve supplier-related claims, returns, nonconforming materials, overages, shortages, engineering changes, and contract modifications.
Ensure procurement complies with company policies, CPSR requirements, FAR, DFARS, and other applicable federal acquisition regulations.
Manage increasingly complex and high-value procurement actions and provide guidance to less experienced procurement professionals.
Drive continuous improvement initiatives to enhance procurement efficiency, supplier performance, and supply chain effectiveness.