Principal Systems Engineer (Onsite)

Date Posted:

2026-04-29

Country:

United States of America

Location:

US-AZ-TUCSON-848 ~ 1151 E Hermans Rd ~ BLDG 848

Position Role Type:

Onsite

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

Active and transferable U.S. government issued security clearance is required prior to start date.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance​

Security Clearance Type:

Secret - Current

Security Clearance Status:

Active and existing security clearance required on day 1

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. 

The Systems Engineering and Test Center (SETC) organization is currently hiring a Principal Systems Engineer to join our Tucson, AZ location. SETC is an exciting and challenging environment where you will have the opportunity to design, develop and partner with multi-disciplines to shape innovative solutions for our customers. Join our organization and experience the Systems V engineering life cycle while interfacing with a variety of engineering disciplines, subject matter experts, Chief Engineers, Chief Technologists, the customer, and so many more to ensure we design, integrate, and strengthen our systems to work the first time and every time for our warfighters!

As a Principal Systems Engineer you will be responsible for technical rigor of requirements documents, coordination across teams, sharing program process knowledge, mentoring engineers, and working with the technical and program leads execute program tasks.  Responsibilities include, but are not limited to, requirements management, providing SE oversight during integration and test activities. In this role, you will have the opportunity to work on various Air Dominance projects pertinent to the Processor Upgrade for Mission Alliance (PUMA) design and development..  This role is 100% on-site at our Tucson, AZ campus.

What You Will Do 

• Update, maintain, and improve requirements and requirements documentation for development and production efforts

• Support Design and System Verification testing

• Provide SE guidance and support during integration and test efforts

• Support system performance analysis, and Integration and Test

• Mentor and guide team members, including engagement of Subject Matter Experts (SMEs)

• Model the system and the system development and production processes using Cameo

• Participate in Failure Investigations

• Facilitate knowledge transfer within and across IPTs/CPTs to include Cross-Functional collaboration and coordination

• Conduct Trade Studies and present results to customers

• Support test equipment software integration and verification for system test

Qualifications You Must Have 

• Typically requires a Bachelor’s in Science, Technology, Engineering, or Mathematics (STEM preferred) and a minimum of 8 years of relevant experience

• Experience in Systems Engineering

• Experience working on a Missile Program

• Experience presenting analytical and technical presentations

• Experience with Systems Engineering Product Development Cycle

Qualifications We Prefer

• Masters or PhD in Engineering, Computer Science, Math or Physics

• Experience using Agile framework development methods / processes

• Experience with Agile, Model-Based Systems Engineering (MBSE), and/or Digital Engineering

• RF product and subassembly design, integration, and production support

• A self-starter who can take on task with limited guidance

• Customer focus and collaboration skills

• Experience with performance analysis

• Experience with DOORS and/or cPDM

• Ability to perform trade studies to optimize system performance

• Understanding of Systems Engineering Product Development Cycle

• Familiarity with system safety, reliability, and configuration management

What We Offer

• Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation.

• Relocation Eligible – Relocation assistan