Principal Systems Engineer - Software Systems

Role Overview

Principal Systems Engineer – Tucson, AZ (Onsite)

Raytheon Technologies (RTX) is hiring a Principal Systems Engineer to lead technical rigor of requirements, coordinate across teams, mentor engineers, and support system design, integration, and test activities for software‑intensive products.

Security clearance:
DoD Secret required prior to start date.

• Update, maintain, and improve requirements documentation for development and production efforts.
• Perform and execute integration, verification, and testing activities; provide systems engineering support during test.
• Support system performance analysis and integration and test.
• Model the system and development processes using Cameo.
• Conduct failure investigations.
• Conduct trade studies and present results to customers.
• Perform test planning, develop and implement test plans and procedures.
• Prepare integration and verification documentation for simulated and real‑world environments.
• Create and present technical data for design reviews and preparation for test events.
• Diagnose and troubleshoot hardware, software, and system issues through detailed data analysis and debugging.
• Conduct statistical and numerical analysis of test data to verify requirements and ensure optimal system performance.
• Support mission execution at local RTX facilities, test sites, vendor facilities, and customer locations.
• Work on effectors project relevant to the systems lifecycle.
• Work onsite in Tucson, AZ with occasional travel.

• Bachelor’s degree in Science, Technology, Engineering, or Mathematics (STEM preferred).
• Minimum 8 years of engineering experience.
• Experience in systems engineering, model‑based systems engineering (MBSE), requirements development, management, verification, integration and test for software products.
• Preferred:
  Master’s or PhD in Engineering, Math or Physics.
• Experience using Agile framework development methods/processes.
• Experience presenting analytical and technical presentations.
• Experience evaluating and mitigating technical risks.
• Self‑starter who can work 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.
• Experience working in an integration lab, test facility, or field for integration and/or verification.
• Experience evaluating systems using simulated environments.
• Experience generating technical documentation such as trade studies, test plans, procedures, or technical reports.
• Experience integrating with test equipment, telemetry data analysis tools, and missile systems host platforms.
• Experience in Earn Value Management System (EVMS) and Cost Account Management (CAM).

• Salary range: $107,500 – $204,500 USD (depending on experience).
• Medical, dental, and vision insurance.
• Short‑term and long‑term disability coverage.
• Life insurance.
• 401(k) match and flexible spending accounts.
• Employee assistance program and Employee Scholar Program.
• Parental leave, paid time off, and holidays.
• Relocation assistance available.
• Flexible work schedules and employee wellness resources.
• Annual short‑term and long‑term incentive compensation programs (subject to eligibility).

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, or veteran status. RTX provides affirmative action in employment for qualified individuals with a disability and protected veterans in compliance with Section
503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.