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# Sr. Principal Systems Engineer - Comms (Onsite)

- **Company:** RTX
- **Location:** Cedar Rapids, IA, United States
- **Experience:** Expert
- **Salary:** $132,400.0 - $251,600.0
- **Contract:** Permanent contract
- **Skills:** Agile Methodology, Systems Engineering, Automation of Tests, Computer Engineering, Embedded Software, Rhapsody, Software Engineering, Systems Modeling Language, Systems Architecture, Systems Integration, TCP/IP, Virtualization Technology, MagicDraw, System-level Testing, DO-178B
- **Published:** August 25, 2026
- **Apply:** https://dejobs.org/x/x/54FF0E5DA004402B8B27EB1DAA0CFE08/job/

## About the Role

* 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 and minimum 7 years of experience
 * Active and transferable Secret U.S. government issued security clearance is required prior to start date with the ability to obtain Top Secret after start.
 * U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance
 * Leadership and mentoring experience systems engineering teams.
 * Demonstrated experience with RF equipment and applications including link budget analysis, co-site analysis, government and commercial data waveforms, and user/mission system integration
 * Prior experience with VLF, LF, HF, V/UHF, and Milsatcom
 * Embedded development including interface definition, requirements, and use case development
 * Experience with system architecture development, and systems, software, and hardware engineering.
 * Experience with Model-Based System Engineering (MBSE) concepts and tools - Build advanced SysML models for activities, states, block diagrams, and use cases.
 * Experience with proposal preparation and serve as a subject matter expert in non-advocate, internal, and customer reviews

Qualifications we prefer:

 * Experience with aircraft level system integration
 * Development of integration and test plans, test cases, and procedures
 * Development and execution of product and system level tests to include experience with automation test tools or scripting
 * Experience with Model Based Systems Engineering (MBSE) concepts and tools such as Magic Draw CAMEO, Rhapsody, or Enterprise Architect
 * Experience with regulatory and certification requirements: TSO, DO-160, DO-254, DO-178B/C, and ARP 4754
 * Experience working in an Agile development environment, being part of a highly integrated team working closely with SW, Integration and Verification teams
 * Experience with virtualization technologies
 * Knowledge of MIL-STD-1553B, ARINC 661 standard and bus protocols
 * Experience with TCP/IP network applications development
 * Experience on an NC3 program

## Description

* Lead technical proposal preparation and serve as a subject matter expert in non-advocate, internal, and customer reviews
 * Ensure the development and management of technical risks and develops and executes mitigation plans
 * Recommend investments or changes in technology, resources, procedures, equipment, systems, or other assets to improve the quality of the organization's projects.
 * Participate and lead bids and proposals
 * Apply SysML concepts for System Modeling across a full engineering lifecycle.
 * Serve as design authority for our Integrated Strategic Solutions Engineering (ISSE) NC3 systems.
 * Contribute as a subject matter expert to the design and architecture of a complex communications-based system of systems
 * Lead development and communication of roadmaps for ISSE projects, associated technologies, and product lines
 * Advise engineering managers, program managers, business development managers, product line managers, and component architects
 * Establish trusted and influential relationships with customers and suppliers
 * Serve as the primary technology and systems engineering focal point for leadership and the customer for ISSE mission equipment packages/solutions
 * Coordinate across strategic business units for alignment of portfolio roadmaps
 * Monitor cost and schedule and reporting project status to program management and engineering leadership
 * Work and communicate effectively with all levels of management, individual contributors on the program team, and external stakeholders, 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 consider the following role type definitions as you apply for 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.

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.


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