Principal Software Engineer

Date Posted : 2025-07-23

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 :

Active and transferable U.S. government issued security clearance is required prior to start date.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance​

Security Clearance :

TS / SCI without 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 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 -

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 8 years of prior relevant experience

Experience developing in C++ in a Linux environment

Active and transferable U.S. government issued Top Secret SCI (TS / SCI) security clearance required prior to 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 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 ​

Employee Assistance Plan, including up to 10 free counseling sessions ​

Healthy You Incentives, wellness rewards program ​

Doctor on Demand, virtual doctor visits ​

Bright Horizons, child and elder care services ​

Teladoc Medical Experts, second opinion program ​

Eligible for relocation

And More!

Do you want to be a part of something bigger? A team whose impact stretches across the world, and even beyond? At Collins Aerospace, our Mission Systems team helps civilian, military and government customers complete their most complex missions — whatever and wherever they may be. Our customers depend on us for intelligent and secure communications, missionized systems for specialized aircraft and spacecraft and collaborative space solutions. By joining our team, you’ll have your own critical part to play in ensuring our customer succeeds today while anticipating their needs for tomorrow. Are you up for the challenge? Join our mission today. ​

• Please ensure the role type (defined below) is appropriate for your needs before applying to 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.

#AST

The salary range for this role is 101,000 USD - 203,000 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.