Principal Software Engineer
RTXAbout the role
Date Posted:
2026-01-28Country:
United States of AmericaLocation:
US-UT-WEST VALLEY CITY-338 ~ 1127 & 1128 w 2400 S ~ BLDG 338, Ast-Salt Lake CityPosition Role Type:
OnsiteU.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 clearanceSecurity Clearance Type:
TS/SCI with PolygraphSecurity Clearance Status:
Active and existing security clearance required after day 1Raytheon Company Managed by Collins Aerospace.
This role is primarily On-Site, with flexibility at hiring manager discretion.
Applied Signal Technology (AST) is seeking a Principal Software Engineer 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. To learn more about Applied Signal Technology, please click the following link - Applied Signal Technology: WHO WE ARE
Qualifications You Must Have:
Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 8 years of prior relevant experience
Experience developing in modern programming languages (e.g. C++) in a Linux environment
Good working knowledge of data structures and how to efficiently use them to solve problems
Experience with one or more scripting languages (e.g. Python)
Experience working with containerized software and associated tools (Kubernetes, Helm, Podman)
Ability to obtain a U.S. government issued Top Secret SCI (TS/SCI) security clearance.
U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance
Qualifications We Prefer:
Experience with Multithreading
Experience working both in a team environment and individually
Experience with network protocols such as TCP/IP
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)
Familiarity with event-driven systems and messaging platforms such as Kafka
Familiarity with RESTful APIs and gRPC
Experience with or basic understanding of telecommunications systems concepts and/or signal processing
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
Medical, dental, and vision insurance
Three weeks of vacation for newly hired employees
Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option
Tuition reimbursement program
Student Loan Repayment Program
Life insurance and disability coverage
Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection
Birth, adoption, parental leave benefits
Ovia Health, fertility, and family planning
Adoption Assistance
Autism Benefit
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