Material Planning & SIOP Principal Specialist (Onsite - Puerto Rico)

Date Posted:

2026-06-23

Country:

United States of America

Location:

US-PR-SANTA ISABEL-B1 ~ Felicia Industrial Park - St B1 ~ BLDG 1

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 is seeking a Material Planning & SIOP Principal Specialist to drive production planning, material flow, and Sales, Inventory & Operations Planning (SIOP) activities across the organization. In this role, you will lead efforts to balance supply and demand, optimize inventory levels, and ensure the timely availability of materials to support production schedules and customer commitments. Working cross-functionally with Operations, Procurement, Engineering, Quality, and Logistics, you will play a key role in maintaining schedule integrity and mitigating supply chain risks. This is an individual contributor position.

Your mission: to ensure uninterrupted material flow, optimize inventory and production plans, and deliver products on time while supporting operational excellence and customer satisfaction.

Join us in driving innovation and excellence in aerospace supply chain operations!

This onsite position is based at our Santa Isabel, PR location. You must be residing in Puerto Rico at the time of starting employment. Relocation is not offered.

What You Will Do:

• Develop and maintain production schedules to support customer demand and operational requirements.
• Coordinate material requirements and ensure the timely availability of approved materials to meet production schedules.
• Monitor material availability, identify shortages, and mitigate risks to minimize disruptions to operations.
• Collaborate with Quality, Manufacturing, Procurement, Engineering, Inventory Control, and Logistics to resolve supply chain issues.
• Review and maintain master production schedules and recommend improvements to planning processes.
• Prepare and analyze production and inventory reports to identify performance issues and drive corrective actions.
• Liaise with suppliers to verify shipment status and expedite deliveries to support schedule commitments.
• Coordinate material movement through stock transfers, move orders, and shipping requests to ensure efficient flow.
• Support Sales, Inventory, and Operations Planning (SIOP) activities by analyzing demand, inventory, and capacity requirements.
• Develop metrics, presentations, and recovery plans for leadership while driving continuous improvement initiatives.

Qualifications You Must Have

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of prior relevant experience.
• Demonstrated professional or educational experience communicating in English and Spanish (verbal and written).
• U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.

Qualifications We Prefer:

• Experience with Sales, Inventory & Operations Planning (SIOP) processes.
• Knowledge of production scheduling, inventory management, and capacity planning.
• Proficiency with ERP systems and advanced knowledge of SAP tools and transactions.
• Experience in aerospace, defense, or a regulated manufacturing environment.
• Familiarity with lean manufacturing and continuous improvement methodologies.

What We Offer:

Some of our competitive benefits package includes:

• Medical, dental, and vision insurance
• Three weeks of vacation for newly hired employees
• Generous 401(k) plan that includes employer matching funds
• Participation in the Employee Scholar Program (ESP)
• Life insurance and disability coverage
• Employee Assistance Plan, including up to 8 free counseling sessions
• And more!

Learn More & Apply Now!

Operations, Supply Chain and EH&S:

The next chapter of our future as an aerospace company is here, and we are excited about what this means for our employees and customers. Get onboard the Collins Aerospace Operations team and play a part in managing our innovative products from inception to delivery. The Operations team continues to grow and aims to strengthen the connection of Manufacturing Operations, Supply Chain, and Environment, Health & Safety (EH&S) across Collins Aerospace.

Collins Aerospace, an RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. We have the capabilities, comprehensive portfolio, and expertise to solve customers’ toughest challenges and meet the demands of a rapidly evolving global market.

WE ARE REDEFINING AEROSPACE.

Please ensure the role type (defined below) is appropriate for your needs before applying to this role.

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!

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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