Senior Buyer

MAST Technologies is seeking a Senior Buyer / Planner who is responsible for leading material planning and purchasing activities in direct support of MAST Technologies’ production operations. This role ensures materials are available, accurate, and aligned with production priorities while maintaining compliance with AS9100 and MAST’s Quality Management System (QMS).

This is an operations-facing leadership role that works closely with Production Supervisors, Warehouse, Quality, Engineering, and Maintenance to support daily execution on the shop floor.

The position includes progressive leadership and operational responsibilities intended to prepare the individual for advancement into a Production Supervisor role based on performance and organizational need.

About MAST: MAST Technologies is an industry leader in advanced RF and EMI absorbing materials. We create engineered solutions that support mission-critical defense and aerospace applications worldwide. Our employees contribute directly to cutting-edge innovation and enjoy a collaborative environment focused on quality, technical excellence, and continuous improvement.

Job Accountabilities:

1. Material Planning, Purchasing & Inventory Control

• Plan and manage material requirements in alignment with production schedules and operational priorities
• Execute purchasing activities in accordance with MRP outputs, approved suppliers, and documented procedures
• Ensure timely availability of raw materials, components, and services to support production execution
• Monitor supplier lead times, delivery commitments, and material constraints
• Proactively identify material shortages, risks, or delays and coordinate mitigation actions
• Maintain accurate ERP transactions related to purchasing, inventory movements, and adjustments
• Support inventory control activities including cycle counts, reconciliation, and root-cause analysis

2. Production & Operations Support

• Serve as the primary Supply Chain point of contact for assigned production lines or work centers
• Participate in daily production and operations meetings to align material priorities and resolve issues
• Work closely with Production Supervisors to support schedule adherence, throughput, and on-time delivery
• Coordinate material staging, kitting, and readiness in partnership with Warehouse personnel
• Develop a strong working knowledge of production workflows, routings, capacity constraints, and material flow
• Manage supplier relationships to support quality, delivery, and cost objectives
• Communicate delivery expectations and follow up on late or critical orders
• Support supplier performance monitoring, corrective actions, and improvement initiatives
• Assist with sourcing decisions, cost reduction efforts, and continuous improvement projects

4. Quality System & AS9100 Compliance

• Perform all planning and purchasing activities in compliance with AS9100 and MAST’s QMS procedures
• Maintain complete, accurate, and traceable purchasing and supplier documentation
• Support internal and external audits by providing objective evidence and demonstrating process compliance
• Participate in corrective and preventive action (CAPA) activities related to material or supplier issues
• Support proper handling, storage, and documentation of materials, including nonconforming or controlled items

5. Leadership Development & Path to Production Supervisor

As part of normal job expectations, the Senior Buyer / Planner will assume increasing operational leadership responsibilities, including:

• Supporting daily production execution by assisting with priority setting and issue resolution
• Demonstrating leadership presence and accountability aligned with shop floor expectations
• Assisting Production Supervisors with coordination of materials, schedules, and resources
• Leading or supporting cross-functional improvement initiatives related to safety, quality, delivery, or efficiency
• Mentoring and supporting junior supply chain or operations personnel as assigned

Progression into a Production Supervisor role will be based on demonstrated ability to support production operations, communicate effectively with shop floor teams, manage competing priorities, and consistently uphold safety,…