Principal Infrastructure / Networking Engineer

Collins Aerospace; West Valley City (UT); On-site; USD 108,000 - 205,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

Three weeks vacation

401(k) with employer matching

Tuition reimbursement

Student Loan Repayment

Life insurance and disability

Employee Assistance Program

Job summary

Applied Signal Technology (AST), part of RTX, is seeking a Principal Infrastructure/Network Engineer to join our Salt Lake City team. This onsite role focuses on designing, developing, testing and delivering high-capacity communication systems for national security programs.

You will work with R&D, present briefings to management and customers, and collaborate autonomously within a mission-focused engineering environment. A TS/SCI clearance and US citizenship are required.

Qualifications

• Degree in Science, Technology, Engineering or Mathematics (STEM) and 8+ years of experience.
• Experience with Python or scripting languages.
• Linux system administration (Red Hat based).
• Experience with enterprise networking equipment (Cisco/Arista/Juniper).
• Experience with virtualization (KVM/VMware/Hyper-V).
• Experience with TCP/IP and UDP networking protocols.
• Experience with configuration management (Puppet/Ansible/Salt).
• Experience designing networks and data centers.
• Active TS/SCI security clearance is required; U.S. citizenship required.

Responsibilities

• Guide and oversee design, development, test and delivery of high-capacity systems.
• Collaborate with R&D on system development and deployments.
• Generate briefings and present material to team, customers, and management as needed.
• Work autonomously yet collaboratively in a team environment.

Skills

Python

Linux administration

Networking hardware

Virtualization

Networking protocols

Configuration management

Network design

TS/SCI clearance

Education

STEM degree

Tools

Docker

Kubernetes

Job description

Location: US-UT-WEST VALLEY CITY-338 ~ 1127 & 1128 w 2400 S ~ BLDG 338

Date Posted: 2026-09-02

Country: United States of America

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 - Current

Security Clearance Status: Active and existing security clearance required on day 1

Raytheon Company managed by Collins Aerospace

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) is looking for a Principal Infrastructure/Network Engineer to join our top-tier Engineering team and play a key role in driving our mission forward. You’ll be at the forefront of elevating products and revolutionizing the design, development, testing, and delivery of modern communication systems. AST is known for providing strategic and tactical SIGINT solutions that safeguard the interests of the U.S. and its allies.

Our work spans high-capacity broadband communications, signal processing and analysis, tactical SIGINT, and wireless communications, constantly challenging our exceptional engineers to solve complex problems and make the world safer. We foster a passionate, collaborative work environment that encourages engineers to enhance and broaden their skills, experiment with innovative ideas, and work closely with the nation's top service members—all while upholding values of integrity, innovation, and work-life balance.

This is an ONSITE position based out of our Salt Lake City, UT location.

What You Will Do

• Guide and oversee the design, develop, test and delivery of advanced high-capacity systems that process modern communications.


• Work with other experienced members in R&D on system development and deployments supporting multiple programs.


• Generate briefings and present material to team members, customers, and AST Management as necessary.


• Work autonomously yet collaboratively in a team environment.

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 unless prohibited by local laws/regulations.


• Experience with developing in python or similar scripting languages


• System Administration experience; Linux, especially Red Hat based distributions


• 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


• Active and transferable U.S. government issued Top Secret SCI (TS/SCI) security clearance is required prior to start with the ability to obtain a polygraph after start.


• 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.


• Experience with or basic understanding of telecommunications systems concepts and/or signal processing


• Experience with Docker, Kubernetes, or other containerized systems.


• Experience with automated system deployments


• Existing TS/SCI 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 employerretirement 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 lifeand accident insurance,critical illnessinsurance, 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!

Please ensure the role type defined below is appropriate for your needs before applying to this role. This position is classified as: 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.

The salary range for this role is 107,500 USD - 204,500 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.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.