Date Posted: 2026-10-22 Country: United States of America Location: US-IA-CEDAR RAPIDS-105 ~ 400 Collins Rd NE ~ BLDG 105 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The company will offer immigration sponsorship for this position, if needed. The company will seek an export authorization for this role, if required. RTX must be able to obtain and maintain the U.S. export authorization. Security Clearance Type: None/Not Required Security Clearance Status: Not Required 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. We are looking for a Senior Principal Systems Engineer with a passion for avionics systems engineering, a high degree of accountability, and ability to thrive in a Agile team environment. A variety of systems engineering skills are required to define, design, develop, integrate, and test new features for delivery to OEM aircraft platforms. The job includes supporting OEM flight test campaigns and completion of certification activities. There is an expectation to supervise Integrated Product Teams. The applicant must have advanced knowledge of aircraft systems as defined in the Air Transport Association (ATA) chapters. In this position one will be at the forefront of designing safety into all systems under development. The ideal candidate should have an engineering curiosity that inspires the creation of innovative solutions for engineering development and certification of products and systems with regulatory agencies. What You Will Do: Leading engineering duties spanning the entire development life cycle from systems design through systems testing and delivery Leading requirements capture from aircraft Original Equipment Manufacturers (OEM) Decompose and allocate requirements to appropriate domains within Collins Aerospace Leading the creation of innovative design approaches and prototypes Leading design approach presentations and reviews internally and externally with the OEM’s Leading creation of test procedures and analysis methods to verify and validate requirements Active support in the preparation of certification artifacts, including Systems Certification Summary, TSO compliance reports, and process compliance Lead the creation of artifacts to support Stages of Involvement SOI 1, 2, 3, 4 and TSO submittals Interpretation of and participation in ARP-4754 customer audits Provide leadership in answering customer questions and investigating issues related to software and hardware delivered to the OEM Leading Root Causes and Corrective Actions (RCCA) of must-fix issues discovered during flight tests and in-service aircraft operations Support activities to manage scope, schedule, and cost while optimizing engineering resources Lead cross-functional integrated product team development between Collins engineering subject matter experts and customer engineers Communicate engineering design solutions both orally and written with customers, other engineers, technicians, pilots, and leadership Lead the developing of systems architecture and human-machine interface requirements for new aircraft development Lead Change Impact Analysis for HIRF and Lightning qualification (DO-160) 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 and minimum 7 years of experience Advanced knowledge of avionic systems on civilian commercial aircraft Deep experience leading avionics engineering development phases Evident wide experience leading customer facing engineering teams. Evident deep engineering experience interacting and communicating with commercial aircraft OEM’s Practical and proven experience capturing design change proposals, leading features development from inception to delivery. Proven ability to interpret and manage requirements, interface control documents, CONOPS, technical specifications, TRDs, and verification matrices Evident and successful experience as a systems project engineer creating bids and presenting them to all levels of leadership Experience using engineering tools JIRA, JAMA, and DOORS and the AGILE process Deep knowledge of aircraft certification standards such as ARP-4754, DO178B/C, DO-160. Experience working with the FAA TCR’s, TCCA, and EASA Deep and evident experience designing avionic systems architectures Experience interacting with end user commercial airlines at their base of operations or Flight Operations Steering Committee meetings Qualifications We Prefer: Flight Management Systems (FMS) testing experience Private Pilot License. IFR rating a plus. Drone Flight Certified helpful A&P License Proficiency in programming languages such as python, C/C++, Java Proficiency with the MS Office Suite (Word, Excel, PowerPoint, etc.) What We Offer 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 insurance, critical illness insurance, group legal, ID theft protection Birth, adoption, parental leave benefits Carrot Health to hormonal health, fertility, and family building 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! Collins Aerospace makes modern flight possible. Of course, that wouldn’t be possible without the capabilities and technologies of our organization, as well as our engineers – a highly skilled, accomplished network that spans more than 180 sites, 24 countries and 6 Strategic Business Units (SBUs). Our industry-leading experts are setting the standards for the aerospace industry and paving the way for the future. But as new challenges present themselves, we need fresh, creative and motivated minds to overcome these hurdles, help us break barriers and achieve new levels of innovation. Do you have what it takes to join a global organization that doesn’t shy away from big opportunities? If so, we invite you to join our ranks and create the next generation of aerospace technologies. Together, we will nurture an engineering culture that values intellectual curiosity, risk takers and integrity. A place where we will challenge ourselves, our teams, and the status quo and where we will work to find a way – the right way – to achieve what others can only dream of. 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. Apply now and be part of the team that’s redefining aerospace, every day. As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select 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 132,400 USD - 251,600 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. Privacy Policy and Terms: Click on this link to read the Policy and Terms RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.

Senior Principal Avionics Systems Engineer (Onsite).

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