Principal Specialist, Procurement - BUYER (ONSITE)

Date Posted:

2026-04-30

Country:

United States of America

Location:

US-MA-WESTFORD-WFD7 ~ 7 Technology Park Dr ~ BLDG 7

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.

Security Clearance Type:

None/Not Required

Security Clearance Status:

Not Required

At RTX, the world largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. 

Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. Our team solves tough, meaningful problems that create a safer, more secure world. 

We are seeking a Principal Specialist - Buyer, to join our team. This role is responsible for preparing purchase orders and support documentation in compliance with departmental policies and FAR/DFAR/ITAR regulations. This person will have their own commodity of products to purchase and track delivery on. Key duties include issuing POs across multiple programs, managing all phases of procurement (from development through closeout), and ensuring supplier delivery commitments align with program schedules.

Your key responsibilities will be submitting compliant RFQs, perform price analyses, and negotiate for fair pricing, supporting proposals by requesting, analyzing, and evaluating supplier quotations, participating in program and supplier reviews, as well as continuous improvement initiatives, Build and maintain professional relationships with Customers and Suppliers, Assist team members with procurement activities in a high-volume, fast-paced environment. Advanced Excel skills to efficiently manage large data sets and requisition lines. Strong organizational and multitasking abilities to handle parallel program activities.

This role offers a dynamic environment where you’ll contribute to strategic initiatives while ensuring procurement effectiveness and compliance.

This role will be ONSITE in Westford, MA.

NO RELOCATION WILL BE PROVIDED

What You Will Do

• As a Principal Specialist - Buyer, you will manage Purchase Orders from supplier selection to RFP/RFQ submission, quote receipt, analyzing quote, negotiating quote , documenting PO, and monitoring supplier issues and delivery.

• Actively monitor open orders, update status, and ensure that Operations and Program personnel are notified of any delivery date changes; escalate to expedite when necessary.

• Seek new sources of supply when necessary. This involves working closely with Supplier Quality and Engineering to complete necessary processes for adding a new, qualified supplier.

• Ability to successfully manage long-term supplier relationships.

Qualifications You Must Have

• Typically requires a University Degree in project management, business administration, engineering or equivalent experience and minimum 5 years prior relevant experience, or An Advanced Degree in a related field and minimum 3 years experience

• Two years of prior Buying Experience

• Working knowledge of government regulations (FAR/DFAR/ITAR/CUI).

• U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.

Qualifications We Prefer:

• Ability to work closely with internal customers (Operations, PM, Engineering, Quality, etc.)

• Support Raytheon’s initiatives and KPI’s such as Supplier OTD, Cost Savings, and Continuous Improvement events

• Adherence to Supply Chain processes, standards, and operational plans in support of procurement goals.

• Profi