
Principal Software Engineer Architect - Embedded
RTX Corporation2 months ago
El Segundo, CA, USAStaff+
Base Salary
$118k - $225k/yr
Responsibilities
- Own and lead the design, implementation, integration, and verification of major embedded software capabilities.
- Architect, develop, optimize, and debug real-time software using C, C++, RTOS platforms, ARM processors, drivers, peripherals, and low-level hardware interfaces.
- Lead system bring-up, hardware-software integration, testing, validation, and advanced fault isolation across unit, integration, hardware-in-the-loop, and system-level evaluations.
- Provide technical guidance, mentor engineers, lead design reviews, break down complex problems, and drive execution with minimal oversight.
- Create software specifications, interface control documents, architecture diagrams, test plans, verification reports, and user documentation.
- Coordinate with hardware, systems, IV&V, cybersecurity, and program leadership to meet performance, safety, security, and system requirements.
- Support Agile/Scrum activities, requirements refinement, backlog management, GitLab-based CI/CD, build automation, continuous testing, and infrastructure-as-code workflows.
Requirements
- A STEM degree and at least 8 years of relevant experience are required.
- Experience developing embedded and real-time software in C and C++.
- Experience with FreeRTOS, Zephyr, VxWorks, or similar RTOS environments, including scheduling, drivers, task management, semaphores, and queues.
- Experience developing software for ARM processors, including peripherals and low-level hardware interfaces.
- An active and transferable U.S. Government-issued Secret security clearance is required before starting, and U.S. citizenship is required for clearance eligibility.
- Preferred qualifications include SDLC experience across multiple phases, Agile/Scrum experience, GitLab experience, high-performance or safety/security-critical architecture experience, Python or assembly experience, technical documentation experience, MagicDraw or model-based systems engineering experience, embedded test automation or DevOps workflow experience, and cross-functional technical coordination.
- Strong communication, leadership, mentoring, and technical review skills are preferred.
Benefits
- Onsite role in El Segundo, California, with relocation assistance available.
- Healthcare, wellness, retirement, work/life, medical, dental, vision, life insurance, disability, and 401(k) match benefits may be available.
- Flexible work schedules, paid time off, holidays, parental leave, educational assistance, employee assistance, achievement awards, recognition programs, and backup care may be available.
- Career development and the Employee Scholar Program are offered.
About RTX Corporation
RTX Corporation builds aerospace and defense systems through its Collins Aerospace, Pratt & Whitney, and Raytheon businesses, serving commercial aviation, the U.S. government, and allied militaries. Its products range from aircraft engines and avionics to radars, missiles, and command-and-control software, sold via long-term OEM programs and defense contracts. Formed in 2020 by the Raytheon–United Technologies merger, RTX is headquartered in Arlington, Virginia and trades on the NYSE as RTX.