Software Engineer II (Onsite)

Date Posted: 2026-10-20 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 a Software Engineer II who strives 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 passionate, 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, innovation, and work-life balance. This is an ONSITE position based out of our Salt Lake City, UT location. Participate in the requirements, design, development and testing of software to include development of new work products or enhancement of existing applications and systems Design, code, test, integrate, and document software solutions Participate in internal review of software components and systems Collaborate with project managers and other professionals within Engineering Follow established development practices and processes to maintain the configuration management of software products Qualifications You Must Have Master'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 may be obtained through on-the-job experience, research, coursework, or projects. Qualifications We Prefer Experience with one or more scripting languages, Python, Linux script, bash Experience with Object Oriented Design and Development Experience with Multithreading Experience working both in a team environment and individually Experience with Qt Experience with User Interface development Experience with Angular web GUI development 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 Active and transferable U.S. government issued Top Secret SCI (TS/SCI) security clearance with Poly 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 salary range for this role is 68,900 USD - 131,100 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. Privacy Policy and Terms: Click on this link to read the Policy and Terms