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Sr Principal Systems Engineer Avionics Network Architect (Hybrid)

RTX


Job Location:

Cedar Rapids, IA - USA

Yearly Salary: USD 132400 - 251600
Posted: 29 September 2026 (3 days ago)
Application Deadline: 27 December 2026
Vacancies: 1 Vacancy

Job Summary

Date Posted:

Country:

United States of America

Location:

US-IA-CEDAR RAPIDS-C Ave NE BLDG 131

Position Role Type:

Hybrid

U.S. Citizen U.S. Person or Immigration Status Requirements:

This job requires a U.S. Person. A U.S. Person is a lawful permanent resident as defined in 8 U.S.C. 1101(a)(20) or who is a protected individual as defined by 8 U.S.C. 1324b(a)(3). U.S. citizens U.S. nationals U.S. permanent residents or individuals granted refugee or asylee status in the U.S. are considered U.S. persons. For a complete definition of U.S. Person go here. Clearance Type: None/Not Required

Security Clearance Status:

Not Required

At RTX the worlds largest aerospace and defense company 185000 great minds are united by purpose and inspired to make a difference solving the worlds 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.

Architect the Next Generation of Avionics Networking

The Computing Products Department (CPD) at Collins Aerospaceis building a nextgeneration family of safetycritical avionics Ethernet switchesandwerelooking for a Sr Principal Systems Engineer who wants to shape the networking architecture that futureaircraftwill rely on for decades. This role sits at the center of systems architecture embedded networking silicon strategy firmware software safety and cybersecurity. If you want to help define what comes after todays AFDXbased networks this is the opportunity.

What You WillDo:

  • Architect the Next Generation of Avionics Networking Products

  • You will lead the architecture for a scalable family of deterministic avionics Ethernet switchesdefining the technical roadmap reusable building blocks interfaces configuration strategy and engineering principles guiding multiple future platforms.

Youlldrive architectural decisions across:

  • Port count topology bandwidth latency jitter buffering

  • Redundancy and availability strategies

  • Switch silicon processors memory PHY/SerDes technologies

  • Copper/fiber interfaces packaging power and thermal constraints

  • Hardware/software/firmware partitioning and growth paths

Lead the Evolution from AFDX to Deterministic Ethernet & TSN

You will define architectures that integrate todays ARINC 664 Part 7 / AFDX with emerging deterministic Ethernet technologies such as TSN IEEE 802.1DP/SAE AS6675 advanced time synchronization QoS mixedcriticality traffic and network health monitoring.

Engineer Deterministic Performance

You will lead analyses to prove the architecture delivers deterministic performance:

  • Endtoend latency worstcase timing traffic flow

  • Buffer/queue behaviors packet loss burst analysis

  • Multicast load congestion behavior

  • Failure detection network recovery timing

  • Synchronization accuracy scalability capacity

Technical Leadership Across Disciplines

This role requires coordinating hardware software firmware systems test safety and cybersecurity engineeringguiding how all disciplines contribute to one coherent networking architecture. You will mentor networking engineers shape design patterns lead major reviews and engage across customer supplier and crossfunctional teams.

Qualifications You Must Have:

  • Typically requires a degree in Science Technology Engineering or Mathematics (STEM) and minimum 10 years prior relevant experience or an Advanced Degree in a related field

The strongest candidates will havesignificant experiencein several of the following areas:

  • Avionics network architecture and deterministic networking

  • Ethernet switching bridging Layer 2/3 IP networking

  • VLANs QoS priority management multicast

  • Traffic policing/shaping redundancy sync

  • Switch/router/NIC/gateway configuration

  • Network performance analysis packet capture troubleshooting

  • Network simulation and automated testing

  • Embedded HW/SW integration

  • Requirements development system architecture interface definition

  • Integration verification & validation trade studies rootcause analysis

Qualifications We Prefer:

  • Particularly relevant experience includes:

  • ARINC 664 Part 7 / AFDX

  • IEEE 802.1 TSN aerospace TSN (IEEE 802.1DP / SAE AS6675)

  • Precision time synchronization

  • FaulttolerantEthernetmixedcriticalitynetworking

  • Gigabit/multiGigabitembedded Ethernet

  • Network switch ASICs network processors FPGA packet processing

  • PHY/SerDes architecture

  • Network configuration/management architectures

  • Network telemetry diagnostics Wireshark

  • Trafficgenerationandperformancetestequipment

  • Hardwareintheloopand systems integration labs

  • DO178C DO254/AC 20152A ARP4754A/B DO326A

  • Reusablesafetycriticalplatform development

What We Offer

Benefits

Some of our competitive benefits package includes:

  • 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 insurancecritical 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

  • And more!

Learn More & Apply Now!

Avionics delivers advanced cockpit displays vision systems and comprehensive digital solutions for global government commercial and business aviation customers. We provide connectivity and managed data services to ensure safety and seamless communication for passengers crews and militaries from aircraft and airports to air traffic management. Join us in creating solutions that connect the world one flight at a time. Start your application today.

Hybrid: Employees who are working in Hybrid roles will work regularly both onsite and offsite. Ratio of time working onsite will be determined in partnership with your leader

At Collins the paths we pave together lead to limitless possibility. And the bonds we form with our customers and with each other -- propel us all higher again and again. Apply now and be part of the team thats redefining aerospace every day.

As part of our commitment to maintaining a secure hiring process candidates may be asked to attendselect steps of the interview process in-person at one of our office locations regardless of whether the role is designated as on-site hybrid or remote.

The salary range for this role is 132400 USD - 251600 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 candidates 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 companys 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.

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