Principal Program Protection Engineer, Embedded Software

Salary: $131000 - 249000 per year Requirements: We require a bachelors degree in Computer Science, Computer Engineering, Electrical Engineering, Software Engineering, or a closely related discipline. We require 10+ years of relevant experience; an advanced degree in a related field may count toward additional years of experience. We require experience developing and maintaining software on embedded processors or microcontrollers in Agile and DevSecOps environments. We require a proven ability to collaborate across engineering functions such as Systems Engineering and Hardware Engineering to troubleshoot system- and board-level issues using software tools. We require experience working in Linux, including the ability to modify and maintain Linux kernel root file systems. We require experience building multithreaded applications. We require strong proficiency with CMake and Google Test for building and sustaining codebases. We require the ability to obtain and maintain a U.S. government security clearance before the start date. We require U.S. citizenship, as only U.S. citizens are eligible for security clearance. Responsibilities: We design, develop, integrate, and test real-time embedded software and firmware solutions with a focus on system integrity. We apply Agile development practices on embedded targets to deliver critical capabilities continuously. We work alongside Systems Engineering to create design concepts and system architecture documentation. We break down architectural artifacts into software requirements and development inputs. We participate in technical integration sessions with subcontractors to confirm selected hardware satisfies hardware and software needs. We develop hardened software applications using C and C++ across Linux and other real-time operating systems. We ensure alignment across teams and help remove blockers as they arise. We contribute individually and as part of a team to embedded software design and implementation efforts. Technologies: DevSecOps Embedded Firmware Hardware Linux Security ARM C++ Flow Git Support More: We are RTX, a global aerospace and defense leader bringing together 185,000 employees united by a shared mission to solve complex challenges and help protect the world. Through Lumen Dynamics and our broader business portfolio, we combine more than 100 years of engineering expertise with ongoing investment in research and development to deliver advanced solutions for our nation and allies. This is an onsite role based in Tewksbury, Massachusetts, and it requires active Secret clearance eligibility and U.S. citizenship. We offer a competitive salary range of USD 131000 to 249000 along with potential eligibility for benefits such as medical, dental, vision, life insurance, disability coverage, 401(k) match, flexible spending accounts, paid time off, holidays, parental leave, employee assistance resources, and incentive compensation, depending on business unit and role specifics. last updated 28 week of 2026