Buyer III, Material Planning

Job Summary:

A Buyer III is to negotiate and place custom mechanical related orders with manufacturers, suppliersor service providers of goods and servicesper MRP and CPSR requirements. To continually strive for best cost and most economical ways to meet requirements.

To then manage open orders whether it be expediting to meet changing requirements, monitoring on time delivery and any supplier or material issues that arise. All the above, as it relates to the Aerospace/Defense Industry.

• Obtain quotes; negotiate with suppliers, source items with suppliers per MRP and CPSR requirements.
• Purchasing of custom mechanical goods, materials, and services to meet company operational needs.
• Considering: price, quality and delivery and ensuring continuity of supply.
• Documenting, order placement, order maintenance, resolution of invoice issues and order follow up.
• Procurement activity is high dollar value and high impact to business needs. Complex requirements requiring negotiations.
• Procurement knowledge of custom mechanical material per print.
• Meet departmental key performances indicators and weekly standard of work with cost saving, supplier management, on time delivery and inventory management. As well as expediting critical shortages.
• Develop and maintain consistent and effective communication with vendors.
• Multi-task and problem solve for resolution of discrepancies between invoices and purchase orders.
• Provide support for documentation of returned materialbetween quality and suppliers.
• Support internal stakeholders while achieving maximum cost effectiveness.
• Responsibility for a specific product and/or range of services across varied commodities and end uses.
• Close interaction with Planning, Engineering, Production, Accounts Payable, Quality Management, Business Development and leadership across the corporation.
• Demonstrate the ability to think strategically, work independently as well as a team and critically analyze details.
• Supplier engagement early in the development phase and ensuring all cost targets are met.
• Communications with Program Management and leadership are expected.

• Minimum High School Diploma or equivalent.
• Typically requires 4+ years of hands‑on experience purchasing or planning custom mechanical goods.
• ERP/MRP Experience.
• Familiar with government contract purchasing (CPSR) and understanding of DFARSand FARflow downs.
• Ability to multi-task and work in a flexible, changing, and fast‑paced environment with multiple competing deadlines.
• Effective communication and collaboration skills with Engineering, Planning, Production, and Quality teams.
• Strong Microsoft Office skills.

• Technical knowledge of Procurement/Sourcing.
• Experience in defense industry.
• Experience with Oracle.

Mercury Systems is a technology company that makes the world a safer, more secure place. We push processing power to the tactical edge, making the latest commercial technologies profoundly more accessible for today's most challenging aerospace and defense missions. From silicon to system scale, Mercury enables customers to accelerate innovation and turn data into decision superiority. Headquartered in Andover, Massachusetts, Mercury employs more than 2,300 people in 24 locations worldwide.

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We are committed to making Mercury a great place to work, no matter where our employees are located. We offer a casual and enjoyable atmosphere that allows employees to learn and grow. We help and care for one another and work as one to achieve results for us and for our customers. We value communication and transparency, and strive to foster two‑way dialogue at all levels of the organization.

We are committed to lifelong learning, offering comprehensive skills training and tuition reimbursement. Whether you're just starting out on your career journey or you are an experienced professional, it's important to us that you feel recognized and rewarded for your contributions.

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Mercury Systems is an equal…