Jobs and Careers
RT

Principal Software Engineer

RTX
Salt Lake City, United Statesfull_timeVerifiedPosted 28 Jan 2026
💰 $204,500/yr($107,500/yr – $204,500/yr)

About the role

Date Posted:

2026-01-28

Country:

United States of America

Location:

US-UT-WEST VALLEY CITY-338 ~ 1127 & 1128 w 2400 S ~ BLDG 338, Ast-Salt Lake City

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

Raytheon 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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Company

RTX

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