Principal Systems Engineer – Infrastructure (Onsite)

Date Posted: 2026-07-07 Country: United States of America Location: US-IA-CEDAR RAPIDS-143 ~ 855 35Th St NE ~ BLDG 143 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Security Clearance Type: DoD Clearance: Top Secret Security Clearance Status: Active and existing security clearance required after 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. We are seeking a Principal Systems Engineer - Infrastructure to work onsite in Cedar Rapids, IA. Come embark on a journey where your   expertise   in systems engineering will help shape the future of aerospace technology. At Collins Aerospace,   we’re   modernizing the U.S. Air Force Nuclear Command, Control and Communications (NC3) capability as part of the Survivable Airborne Operations Center (SAOC) Program to recapitalize the E-4B fleet with next-generation capabilities.    As a Principal Systems Engineer on the SAOC engineering team, we will equip you with the opportunities and resources necessary to develop your   expertise   in the systems engineering lifecycle.   You will have the opportunity to learn from top professionals in the communications and nuclear deterrence sectors at Collins Aerospace.   This role will be part of a   geographically   distributed team responsible for systems and   security   engineering tasks associated with our next-generation   network, compute, and storage   technologies.    No need to be an established subject matter expert, we are looking for talented individuals that love to   solve problems   and have a desire to grow and gain exposure to new skills. Our customers come from all   different backgrounds , and so do our employees. If   you're   passionate about what you could   accomplish   here,   we'd   love to hear from you .   Sign-on Bonus Eligible What YOU will do:   YOU will work closely with a highly motivated and dedicated team of professionals and other internal/external stakeholders while executing model-based systems engineering development activities for the Survivable Airborne Operations Center (SAOC) program .   YOU will   participate   in the systems development lifecycle, including trade study execution, system design, requirements definition, requirements allocation, requirement traceability, systems integration, verification   testing   and qualification.     YOU   will support Agile planning and execution, help keep work aligned with program cost and schedule   objectives ,   assist   with managing risks and issues, and be actively involved in planning activities .     YOU will   participate   in and   facilitate   Agile team ceremonies, Agile sprint reviews, user story   refinement   and end of sprint product demos.   YOU   will have the opportunity to support cost account management activities, including tracking cost and schedule performance, reporting status,   monitoring   key metrics, and helping   identify   and communicate risks and issues .   What YOU will learn:   You will gain technical leadership experience, mentorship opportunities, and exposure to very influential individuals within Mission Systems that will help advance your career .   You will gain experience developing secure, cyber-resilient systems while collaborating with security, crypto, customer, and engineering experts and applying modern systems engineering practices.   You will apply and expand your MBSE skills through hands-on experience with modern modeling tools and systems engineering practices .   Grow your   expertise   in secure products while advancing your career in a rapidly evolving portfolio.   We are growing, so can you!   Qualifications You Must Have  : Experience in multiple areas of the systems engineering lifecycle, including requirements development, design, integration, verification, validation, and technical documentation .   Experience with MBSE, including system modeling, requirements traceability, or architecture development .   Experience leading engineering activities while managing multiple projects and competing priorities .   Experience using the Atlassian resource suite, specifically: Jira , Jama,   and Confluence. Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 8 years prior relevant experience  or   an Advanced Degree in a related field and minimum 5 years of experience. The ability to obtain and maintain a Top Secret U.S. government issued security clearance is required.  U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.   Qualifications We Prefer  :   Experience designing, developing, and integrating networked processing, distributed computing, and secure systems.   Experience applying systems engineering principles throughout the development lifecycle, including requirements, architecture, design, integration, verification, and validation.   Experience supporting subcontracted development efforts within a multidisciplinary engineering environment.   Experience working in Agile development environments and collaborating across software, hardware, cyber, and systems engineering teams.   Experience with MBSE methodologies,   SysML , and modeling tools such as Cameo,   MagicDraw , or Enterprise Architect.   Experience developing systems for military or mission-critical environm