Senior Principal Software Engineer

Date Posted:

2025-12-17

Country:

United States of America

Location:

UT205: 1128 W 2400 South, Salt Lake C 1128 West 2400 South AST - Salt Lake City, Salt Lake 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

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 Software Engineer II who strives for excellence and has 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 and highly collaborative. It 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 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