Principal Systems Engineer - DoD Secret Clearance (Onsite)

globalhr; Tucson (AZ); On-site; USD 108,000 - 205,000; Full time

Job summary

RTX in Tucson, AZ is seeking a Principal Systems Engineer to lead requirements, architecture, and verification across missile-system programs. You will collaborate with software and hardware teams, mentor engineers, and drive V-level verification activities on-site at our Tucson campus.

The role emphasizes cross-functional leadership, system-level design, and active engagement with customers and program leads to ensure successful, verifiable mission readiness.

Qualifications

• Bachelor’s degree in STEM with at least 8 years of relevant experience.
• Experience in software, firmware or hardware integration and testing.
• Proficiency in MBSE, requirements development and verification.
• Strong system architecture knowledge and CONOPS management.

Responsibilities

• Update and manage requirements for development and production subsystems.
• Define systems architecture and interfaces with SMEs.
• Lead verification and validation activities.
• Collaborate with software, hardware teams and Chief Engineer.
• Mentor engineers and onboard team members.
• Lead System Verification Reviews with leadership.

Skills

MBSE

Requirements development

System architecture

CONOPS management

Agile

Education

Bachelor’s degree in STEM

Tools

Cameo

DOORS

cPDM

Job description

RTX in Tucson, AZ is seeking a Principal Systems Engineer to lead requirements, architecture, and verification across missile-system programs. You will collaborate with software and hardware teams, mentor engineers, and drive V-level verification activities on-site at our Tucson campus.

The role emphasizes cross-functional leadership, system-level design, and active engagement with customers and program leads to ensure successful, verifiable mission readiness.