Software Engineer I (Onsite)

Date Posted: 2026-09-25 Country: United States of America Location: US-UT-WEST VALLEY CITY-338 ~ 1127 & 1128 w 2400 S ~ BLDG 338 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The 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 Security Clearance Type: TS/SCI with Polygraph Security Clearance Status: Active and existing security clearance required after day 1 Are you ready to explore the world of aerospace and defense? Do you want to learn from and collaborate with some of the greatest minds in the industry? At RTX, our internships, co-ops and full-time careers provide an exceptional foundation to work on complex problems, advance your skills and create a safer, more connected world. Discover opportunities to make a difference at RTX.  What You Will Do Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense. Applied Signal Technology (AST) is seeking engineers who strive for excellence and have a passion to be part of a team that strengthens our nation and improves the security of our world. AST provides trusted strategic and tactical SIGINT solutions that secure the interests of the U.S. and its partners.  AST’s work in areas such as high-capacity broadband communications, signal processing and analysis, tactical SIGINT, and wireless communications continually challenges our extraordinary engineers to resolve problems and make the world a safer place.  AST’s work environment is dynamic, highly collaborative and provides engineers the freedom to strengthen and expand their skills, explore new and creative ideas, and work closely with our nation’s finest service members all while embracing integrity and work-life balance.  AST offers generous reward and recognition programs in compensation, broad career development opportunities, excellent health care options, educational assistance, parental leave, flexible work schedules, 401(k) with matching, paid holidays and paid time off. This position will be staffed in Salt Lake City, UT. Our team has a need for a Software Engineer who is inspired by a job that challenges them to be proactive, make decisions, and generate ideas that drive product development to greater heights. Responsibilities span the full lifecycle of product development, from architecture and design, through integration, test, and field support. You will contribute to the build, test, and delivery of a set of software applications to be deployed to advanced systems that process modern communications for the U.S. Government. The successful candidate will have a solid understanding of concepts related to standard programming practices, software architecture, and networking. Work on complex technical problems and provide solutions which are highly innovative while participating on collaborative, cross-disciplined integrated product teams  Once cleared, work on actual field deployments of the product under development, ensuring proper setup, configuration, and functionality of systems being deployed.  Work will be performed with guidance of a product lead and team members who will assist in establishing an approach Perform code review and support in testing to achieve long-range goals and objectives What You Will Learn You will learn COMINT/ELINT principles and concepts and work side-by-side with industry recognized technical leaders to develop and implement state-of-the-art systems. Qualifications You Must Have Bachelor’s degree in Software Engineering, Computer Engineering, Computer Science, or related Science, Technology, Engineering or Mathematics (STEM) major obtained by start date. Experience developing in C++ in a Linux environment Experience with one or more scripting languages, Python, Linux script, bash Experience may be obtained through on-the-job experience, research, coursework, or projects. Qualifications We Prefer Experience with Object Oriented Design and Development Software development experience (i.e. internship, co-op, or other work or academic project experience) Experience working both in a team environment and individually Experience with Rust Experience with Qt Experience with User Interface development Experience with Angular web GUI development Experience with Multithreading Embedded SW Design Experience Experience in integrating software with hardware Experience with Configuration Management tools, such as git Experience maintaining and using build processes (makefiles, CMake) Experience and/or knowledge of network protocols, such as TCP/IP Experience with or basic understanding of telecommunications systems concepts and/or signal processing Experience with Network Protocols Experience with or basic understanding of International Telecommunication Union (ITU) Standards What We Offer Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX, we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation. Relocation, if eligible Learn More & Apply Now! Please consider the following role type definition as you apply for this role. Onsite : 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. As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. The sal