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Principal Systems Engineer

RTX (Raytheon)Us-Az-Tucson-805 ~ 1151 E Hermans Rd ~ Bldg 805, AZFull-time107,500 USD - 204,500 USD

This position is a senior systems engineering role within Raytheon's Tucson facility supporting advanced missile and defense systems. The engineer will own requirements management, system architecture, and integration responsibilities across the entire product lifecycle from concept through production, working collaboratively with multidisciplinary teams including hardware, software, and test personnel. The role demands deep expertise in model-based systems engineering, requirements verification, and technical risk management, with responsibility for mentoring junior engineers and presenting technical solutions to customers. This position suits experienced systems engineers with strong backgrounds in defense systems who can independently manage complex technical programs and lead cross-functional teams while maintaining focus on mission-critical performance and reliability.

Requirements

Bachelor's degree in STEM discipline plus minimum 8 years of relevant systems engineering experienceExperience in software, firmware, hardware, integration, and/or test domainsProficiency in Model-Based Systems Engineering (MBSE), requirements development and management, and verification strategiesActive and transferable DoD Secret security clearance with ability to obtain interim clearance prior to startU.S. citizenship requiredExperience with Cameo, DOORS, or similar systems engineering tools and defense industry missile programs

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Listed August 1, 2026 · Verify details with the employer before applying.

About RTX (Raytheon)

Tucson houses Raytheon's missile and defense HQ producing precision-guided systems, and has flight-tested an AI/ML-powered Radar Warning Receiver.

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