Principal Procurement Specialist - Buyer (Onsite)

Date Posted:

2025-11-07

Country:

United States of America

Location:

HSC32: US070-Simpsonville, SC 1001 Old Stage Road , Simpsonville, SC, 29681 USA

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:

None/Not Required

Collins Aerospace, a leader in intelligent aerospace and defense solutions, is seeking a Principal Procurement Specialist to join our Thermal & Electronic Solutions team onsite in Simpsonville, South Carolina. In this highly visible role, you’ll serve as a key liaison between internal stakeholders and external suppliers, driving procurement excellence to keep critical programs on track. You’ll be the focal point for supplier relationships—ensuring materials are delivered on time, within budget, and to the highest quality standards that support our Simpsonville, SC operations and beyond.

This position is ideal for a detail-oriented professional who thrives in a fast-paced, hands-on environment and enjoys taking ownership of complex supply chain challenges. You’ll lead negotiations, manage supplier performance, and contribute directly to program success through cost, quality, and delivery optimization. As part of a team that powers mission-critical aerospace technologies, you’ll have the opportunity to make a tangible impact while developing strategic procurement skills that advance both our business and your career.

What You Will Do:

• Lead end-to-end procurement activities, including purchase order placement, delivery assurance, and supplier performance management
• Build and maintain strong, strategic relationships with key suppliers supporting our Simpsonville, SC operations
• Oversee and manage supplier schedules, purchase orders, and delivery timelines to ensure seamless execution across the supply base
• Drive on-time delivery, cost competitiveness, and adherence to Collins quality standards through proactive engagement and issue resolution
• Execute procurement processes and standards—including RFPs, supplier negotiations, cost accountability, and program execution—to support business goals
• Prepare and process purchase orders, payment approvals, and related documentation to maintain efficiency and accuracy throughout the procurement lifecycle
• Serve as the primary contact for internal customers regarding order status, changes, and cancellations, ensuring clear communication and customer satisfaction
• Collaborate with suppliers to expedite materials, resolve shortages, and mitigate potential disruptions to production or program schedules
• Track and analyze data on purchased items, cost performance, delivery reliability, and inventory levels to support strategic decision-making
• Monitor supplier contract performance to ensure compliance with all commercial, technical, and quality requirements
• Perform other related duties and special projects as assigned by leadership

Qualifications/Experience Needed:

• Typically requires a University Degree and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience
• U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract

Qualifications We Prefer:

• Strong knowledge of supply chain management, including inventory management, procurement, manufacturing resources planning (MRP), demand planning, and capacity management, to get the right materials to the right place, at the right time
• Understanding of CORE operating system and process improvement tools (e.g. standard work, value stream management, passport process, quality clinic process charts, relentless root cause analysis, 5S)
• Understanding of manufacturing methods, special processes, blueprints and quality requirements. Apply insights to supply chain functions, including but not limited to strategic sourcing, new product introduction, continuous improvement, quality management and issue resolution, etc

What We Offer:

• Medical, dental, and vision insurance  

• Three weeks of vacation for newly hired employees  

• Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option  

• Tuition reimbursement program 

• Student Loan Repayment Program  

• Life insurance and disability coverage  

• Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection 

• Birth, adoption, parental leave benefits 

• Ovia Health, fertility, and family planning  

• Adoption Assistance           

• Autism Benefit  

• Employee Assistance Plan, including up to 10 free counseling sessions  

• Healthy You Incentives, wellness rewards program 

• Doctor on Demand, virtual doctor visits  

• Bright Horizons, child and elder care services 

• Teladoc Medical Experts, second opinion program  

• And more!  

Learn More & Apply Now!

Mission Systems: 

Do you want to be a part of something bigger? A team whose impact stretches across the world, and even beyond? At Collins Aerospace, our Mission Systems team helps civilian, military and government customers complete their most complex missions — whatever and wherever they may be. Our customers depend on us for intelligent and secure communications, missionized systems for specialized aircraft and spacecraft and collaborative space solutions. By joining our team, you’ll have your own critical part to play in ensuring our customer succeeds today while anticipating their needs for tomorrow. Are you up for the challenge? Join our mission today. 

Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.

At Collins, the paths we pave together lead to limitless possibility. And the bonds we form – with our customers and with each other – propel us all higher, again and again.

Apply now and be part of the team that’s redefining aerospace, every day.

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

The salary range for this role is 82,000 USD - 164,000 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.

Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.

Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.

This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.

RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

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