About this opportunity
Prattwhitney lists this Principal Software Engineer (Mission Systems) (Onsite) opportunity in mckinney, Texas. Review the employer’s description below for duties, qualifications and application requirements.
Job description
Overview
Position: Principal Software Engineer – Mission Systems Engineering Team (DFW area). Location: McKinney, Texas. Onsite role with relocation offered where eligible. Compensation: $107,500 – $204,500 USD annually.
Responsibilities
Lead design, architecture, implementation and testing of real‑time software for radar systems and related sensor technologies.
Serve as senior technical contributor, delegating work, reviewing code, and influencing engineering practices and policies.
Provide system‑of‑systems systems thinking and architecture support, creating specification trees, multi‑CSCI decomposition, and system CONOPS.
Collaborate closely with senior architects, technical fellows, hardware teams, and customer stakeholders to integrate across disciplines.
Leverage modeling tools (Cameo/Enterprise Architect, MS Visio) and MOSA standards to communicate design decisions.
Participate in major design reviews, including Preliminary Design Review (PDR) and Critical Design Review (CDR).
Mentor, coach and develop less experienced engineers on architecture, coding standards, and best practices.
Occasional business travel up to 5% of the time.
Qualifications
Minimum 8 years of relevant engineering experience in software architecture for large, complex system‑of‑systems environments.
Degree in Science, Technology, Engineering or Mathematics (STEM).
Experience designing subsystem interfaces and integrating software with hardware and firmware on Linux, VxWorks or other real‑time operating systems.
Proficient with C++ (or comparable language) and real‑time software development practices.
Hands‑on experience with Git version control and continuous integration/deployment pipelines (CI/CD, static analysis, automated testing).
Knowledge of MOSA standards (OMS, AMS‑GRA, A‑GRA) and modeling tools such as Cameo or Enterprise Architect.
Strong analytical, problem‑solving and ownership mindset.
Ability to present complex technical material at design reviews and engage stakeholders.
Security clearance: U.S. citizenship required with eligibility for a Secret clearance (special program access); active and existing clearance required after day one.
Preferred Qualifications
Collaboration experience with firmware, hardware, and system engineering teams.
Experience working in system integration laboratory (SIL) environments with physical hardware.
Agile Scrum development practice knowledge.
Experience with system integration lab environments that include software/hardware test benches and simulators.
Benefits
Competitive base salary and annual incentive programs.
Medical, dental, and vision coverage.
Short‑term and long‑term disability insurance.
401(k) with company match.
Paid time off, holidays, and parental leave.
Employee assistance program and wellness benefits.
Relocation assistance where applicable.
Equal Opportunity Employer
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, veteran status, or any other applicable state or federal protected class.
Privacy & Security
Security clearance requirements apply; clearance type: Secret. All applicants must be able to obtain and maintain a U.S. government‑issued security clearance.
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Worksite address
mckinney, TX, 75070, US
Who can apply
Review the original listing for work authorization, qualifications and employer requirements.