JOBSEARCHER

Software Security Engineer, Onsite

RTXEl Segundo, CAL6 LeadOctober 2nd, 2026
Software Security Engineer IISoftware Product Assurance team in El Segundo, CA is seeking a highly motivated Software Security Engineer II to work onsite.What You Will Do :Our mission is to provide world class Security Software to be used in developing and supporting deployed sensor systems on various platforms.Implement Software Security principles for embedded software design, development, integration, and testing of real-time sensor software.Develop software applications using multiple programming languages on a variety of computing platforms.Ensure the SW Product Assurance processes are followed on our programs.Understand real-time software design and the performance implications associated with specific System Security implementations.Work closely with cross functional Engineering teams to define and implement Test Driven Multidisciplinary Capability (TDMC) based execution development and deployment requirements.Work in a common development environment to support and facilitate program ability to leverage specific capabilities.Qualifications You Must Have:Typically requires a Bachelor's in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 2 years of relevant software experience.Experience with C / C++ AND experience with scripting languages like Python, Perl, or similar.Experience working in Agile/Scrum/Kanban or similar development environment as part of a software teamThe ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.Qualifications We Prefer:Education or on-the-job experience in: Real-Time Operating Systems (RTOS); Kernel or Device Driver development; Software Integration; or similar.Validation and verification of software applicationsFull software development lifecycle for real-time embedded security-oriented productsExperience/Knowledge of several of the following:Linux/Unix environmentInterfacing with FPGAs and ASICsInterfacing with low-level memory driversInter-processor communicationInterface protocols, such as PCIe, GPIO, I2C, and SATAARM ArchitectureSecure boot conceptsCryptographic AlgorithmsContainerization and software hardening techniquesXilinx UltaScale+ MPSoC, Versal, or similar Embedded ProcessorsVxWorks, Embedded Linux, or similar embedded Operating System experienceEmbedded Software SecurityUse of software configuration management and bug tracking toolsDevSecOps tools, Model-based Engineering, and Test Driven DevelopmentWhat We Offer:Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation.Relocation Eligible – Relocation assistance availableOnsite : Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA, an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearances/c10978.htmThe salary range for this role is 75,800 USD - 144,200 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate's work experience, location, education/training, and key skills. Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays.Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement. Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement.Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company's performance. This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply. RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.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, or any other applicable state or federal protected class. 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.