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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer - ATS (Onsite) - **Company:** RTX - **Location:** Fullerton, CA, United States - **Experience:** Expert - **Salary:** $95,500.0 - $181,700.0 - **Contract:** Permanent contract - **Skills:** Testing (Software), C (Programming Language), HTML, JavaScript (Programming Language), PHP (Programming Language), Vbscript, Applicant Tracking Systems, JIRA, Unit Testing, Bash Shell, C Sharp (Programming Language), Cascading Style Sheets (CSS), IBM Rational ClearCase, Configuration Management, Cyber Security, Software Debugging, Web Development, Perl (Programming Language), IBM Rational Clearquest, JSON, JQuery, Python (Programming Language), Korn Shell, Linux Kernel, MATLAB, Red Hat Enterprise Linux, Software Tools, Software Engineering, Software Requirements Analysis, SQL Databases, Structured Programming, System Testing, Systems Integration, Safety Critical Systems, Git, AngularJS, Integration Tests, Satellite Navigation, Bitbucket, DO-178B - **Published:** August 5, 2026 - **Apply:** https://globalhr.wd5.myworkdayjobs.com/REC_RTX_Ext_Gateway/job/US-CA-FULLERTON-676--1801-Hughes-Dr--BLDG-676/Senior-Software-Engineer---ATS--Onsite-_01864461 ## About the Role * Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience * Must have a minimum of 5 years of experience in the Software Engineering field, specifically in a UNIX/Linux-based environment, with expertise in C Programming, structured programming, and the full software development lifecycle. * Must have prior experience in software testing, including Unit Test, Integration Test, and System Test, along with proficiency in source code debugging using various debuggers. * Must have prior experience in source code configuration management systems such as ClearCase, ClearQuest, Jira, and BitBucket/Git. * U.S. citizenship is required - Only U.S. citizens are authorized to access information under these programs/contracts. * undefined Qualifications We Prefer: * Prior experience with C99 dialect of C, Python, SQL, Matlab, bash/ksh/Perl scripting. * Prior experience with Red Hat Enterprise Linux (RHEL), especially kernel development. * Prior WAAS Experience and/or familiarity with WAAS processes and procedures. * Prior experience with web application development using HTML, CSS, JQuery, C#, PHP, Json, VBScript, JavaScript, Angular. * Prior knowledge of safety critical software requirements/DO-178B standards. * Prior experience with cyber security implementation. ## Description Our Connected Aviation group has an exciting opportunity for a Senior Software Engineer to join our Air Traffic Systems (ATS) team. This is a chance to be part of an elite team of Software Engineers supporting the development and maintenance of the safety-of-life Wide-Area Augmentation System (WAAS) developed by the FAA for civil aviation. WAAS is the cornerstone of the FAA's satellite navigation roadmap, transitioning from ground-based navigation to satellite-based navigation. As a Senior Software Engineer, you will play a crucial role in the design, development, integration, and verification of both operational and non-operational/test software. This position offers a unique opportunity to contribute to a critical system that enhances the safety and efficiency of aviation. What You Will Do: * You will perform and support software development to design, develop, and test software for processing, analyzing, and presenting high-capacity data collected from safety-critical, real-time, satellite-based systems. * You will work with the software and leadership team to support cost and schedule objectives. * You will support formal and informal software integration and test activities. * You will support software qualification testing to meet DO-178B standards for requirements-based verification and robustness testing. * You will update software process documentation and work instructions to meet DO-178B standards and company processes. * You will update documentation related to test, verification, and design activities. - You will work with the software team and interface with other disciplines as needed to meet program milestones. * You will support the collection and generation of software metrics for management and engineering reviews. * You will lead and identify process improvement opportunities. * You will support software process audits and engineering reviews. What You Will Learn: * You will gain expertise in designing and implementing innovative solutions to advance software tools to process large volumes of complex performance data collected from real-time safety-critical systems in satellite-based air traffic systems, impacting civil aviation domestically and internationally. * You will acquire comprehensive knowledge of the product life cycle of safety-critical systems from initial design to deployment within a dynamic and innovative team environment. * You will develop skills essential for shaping the future of aviation technology, contributing directly to advancements in civil aviation globally. ## Related Videos - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json) - [Remote Driving on Plant Grounds with State-of-the-Art Cloud Technologies](https://www.wearedevelopers.com/videos/251-remote-driving-on-plant-grounds-with-state-of-the-art-cloud-technologies) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [Crew Management System for Airlines: Plan duties for pilots & flight attendants worldwide](https://www.wearedevelopers.com/videos/1444-crew-management-system-for-airlines-plan-duties-for-pilots-flight-attendants-worldwide) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Software Developer Salary in Austria [2023]](https://www.wearedevelopers.com/magazine/213-software-developer-salary-in-austria-2023) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs)