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About the role

RTX, the world’s largest aerospace and defense company, seeks a Principal Systems Engineer on-site in Tucson, AZ. You will manage system requirements, oversee integration and verification across hardware and software, and mentor engineers within SE&T C to deliver mission-critical missile systems. You will collaborate with cross-functional teams, conduct trade studies, and lead verification reviews with senior leaders while adhering to DoD security requirements and program schedules.

Before you apply

Applying takes about a minute. These four things decide how fast it moves after that.

Your profile is current

It's what we read first. Occupations, seniority and locations matter more than a long history.

Two examples you can talk through

Not a portfolio — just two pieces of work where you can explain the decisions and what you'd change.

A number in mind

What you're on now and what would make you move. We negotiate better when we know both.

Your notice period

Employers plan around it, and it's the question that stalls offers most often.

Once you apply, someone reads it and calls you before anything reaches the employer — usually within two working days.

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