Senior Principal Software Engineer

Date Posted:

2025-09-11

Country:

United States of America

Location:

UT207: 1127 West 2320 South , West Valley City, UT, 84119 USA

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:

TS/SCI with Polygraph

Applied Signal Technology (AST) is seeking a Senior 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

What You Will Do:

• 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:

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 10 years of prior relevant experience

• Experience developing in C++ in a Linux environment

• Ability to obtain and maintain a Top Secret SCI (TS/SCI) U.S. government issued security clearance with polygraph is required after start date.

• U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

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 Polygraph.

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 be