Lead Systems Engineer, DoD Missile Systems (Onsite, Tucson)

RTX; San Diego (CA); On-site; USD 108,000 - 205,000; Full time

Benefits offered by this job

Medical, dental, vision

401(k) match

Paid time off

Holidays

Job summary

RTX in Tucson, AZ is seeking a Principal Systems Engineer to drive requirements, architecture, verification, and cross‑functional collaboration across hardware and software teams. The role emphasizes system-level design, V-model lifecycle, and leadership in a mission-focused environment.

The position requires a DoD Secret clearance (or ability to obtain) and strong MBSE experience. On-site work with occasional travel is expected, with a comprehensive benefits package from RTX.

Qualifications

• Bachelor’s degree in STEM or related field with 8+ years of experience.
• Experience in MBSE, requirements development and architecture.
• Experience with verification, validation, and system integration.

Responsibilities

• Update and manage system requirements and documentation for development and production.
• Develop system architecture, interfaces, and verification documentation with SMEs.
• Lead verification and validation efforts across hardware and software domains.
• Mentor engineers and coordinate across functional teams.
• Collaborate with suppliers and Supply Chain for procurement and integration.

Skills

MBSE

System architecture

Requirements management

Verification and validation

Education

Bachelor's degree in STEM

Tools

Cameo

DOORS

cPDM

Job description

RTX in Tucson, AZ is seeking a Principal Systems Engineer to drive requirements, architecture, verification, and cross‑functional collaboration across hardware and software teams. The role emphasizes system-level design, V-model lifecycle, and leadership in a mission-focused environment.

The position requires a DoD Secret clearance (or ability to obtain) and strong MBSE experience. On-site work with occasional travel is expected, with a comprehensive benefits package from RTX.