Senior Principal Infrastructure/Networking Engineer

Date Posted: 2026-07-23 Country: United States of America Location: US-UT-WEST VALLEY CITY-338 ~ 1127 & 1128 w 2400 S ~ BLDG 338 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 Type: TS/SCI with CI Poly - Current Security Clearance Status: Active and existing security clearance required on day 1 At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense. Applied Signal Technology (AST), a national asset in the SIGINT domain is seeking a Senior Principal Infrastructure / Networking Engineer 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 dynamic, 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 at our Salt Lake City, UT location.  To find out more about AST, please click the following link- Applied Signal Technology : WHO WE ARE What You Will Do You will be an integral part of a team that makes decisions and generates ideas that will push products above and beyond. You will guide and oversee the design, develop, test and delivery of advanced high-capacity systems that process modern communications.  You will work with other experienced members in R&D on system development and deployments for the protection of our country. You will generate briefings and present material to team members, customers, and AST Management as necessary. You have excellent written and verbal communication skills and the ability to work autonomously yet collaboratively in a team environment. May travel up to 25% Qualifications You Must Have Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) minimum 10 years prior relevant experience Experience with system development to support multiple programs. Experience with developing in python or similar scripting languages Proficient with Linux, especially Red Hat based distributions Experience with System Administration Experience with enterprise grade networking equipment, such as Cisco, Arista, or Juniper Experience with virtualization technology (KVM, VMWare, Hyper-V) Experience and/or knowledge of network protocols, such as TCP/IP and UDP Experience with configuration management systems (puppet, ansible, salt) Experience designing and setting up networks and data centers Experience verifying and validating the software and system work as intended Experience working both in a team environment and independently Active and transferrable U.S. government issued TS/SCI with Polygraph security clearance is 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 User Interface development Experience with enterprise grade storage equipment Experience with object-oriented programming languages. Strong experience with Python or other scripting languages Experience with or basic understanding of telecommunications systems concepts and/or signal processing Experience with Docker, Kubernetes, or other containerized systems. Experience with process improvement Experience with automated system deployments 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 ​ Relocation Eligibility – Eligible And more!   Learn More & Apply Now!​ 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 gover