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Updated twice daily · Oct 15, 2026
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Senior Theory of Constraint (TOC) Modeling Engineer

RTX (Raytheon)Tucson, AZFull-time

This engineer will develop, adapt, validate, and maintain complex discrete event simulation models representing manufacturing, supply chain, sustainment, and multi-product operations. The position works across Systems Engineering, Operations, Manufacturing, Supply Chain, and program leadership to establish model assumptions, incorporate current data, and evaluate constraints and resource interactions. Responsibilities include running scenario experiments, sensitivity analyses, and trade studies while maintaining traceable documentation and configuration controls. The role also provides technical mentorship to other modelers and helps align local work with enterprise Affordability Engineering practices. It suits an experienced systems, industrial, operations research, or simulation professional who can translate technical analysis into clear business and operational recommendations.

Requirements

STEM degree and at least 5 years of relevant experienceExperience with systems engineering, operations research, industrial engineering, or production-system modelingExpertise developing and validating complex discrete event simulation modelsAbility to analyze bottlenecks, queueing, resource utilization, and yield sensitivitiesExperience working with Excel, CSV, databases, or other structured datasetsActive Top Secret clearance and U.S. citizenship required
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Listed October 15, 2026 · Verify details with the employer before applying.

About RTX (Raytheon)

Missile maker Raytheon, an RTX business, says its Tucson campus is home to Tomahawk and AMRAAM missiles and is adding automated factories (as of Oct. 2026).

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