Senior Systems Engineer (Onsite)

Job ID: 01872249Posted: Posted 2 Days AgoStart Date: 2026-09-03Location: US-IA-CEDAR RAPIDS-106 ~ 400 Collins Rd NE ~ BLDG 106Country: United States of AmericaTime Type: Full timeDate Posted:2026-09-03 Country:United States of America Location:US-IA-CEDAR RAPIDS-106 ~ 400 Collins Rd NE ~ BLDG 106 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 1At 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.The Environmental Effects Engineering (EEE) organization at Collins Aerospace is seeking a talented and driven Systems Engineer to support the Nuclear Effects Survivability Team’s efforts. This role offers a unique opportunity to engage across the full product development lifecycle, including pursuit and order capture, requirements definition, system design, software and hardware development and integration, systems test and verification/validation, and deployment.In this position, every day will bring new challenges, and your contributions will directly impact the performance and resilience of mission‑critical defense systems. You will play a key role in ensuring system-level functionality and robustness.The ideal candidate brings prior Systems and Nuclear Survivability experience and will contribute immediately by collaborating across disciplines to troubleshoot issues, analyze data, and implement effective solutions.A motivated engineer will excel here, supported by deep technical expertise and the autonomy to innovate. You’ll be entrusted with meaningful responsibility from day one, directly shaping product robustness and advancing a premier engineering capability. If you thrive on technical depth, collaborative problem‑solving, and opportunities to grow, this role is for you.What You Will Do:In this Systems Engineer role, you will support the following types of activities: Core Systems Engineering: Develop concepts of operations, requirements, and define system interfaces.Coordinate Testing Efforts: Develop and implement test plans, procedures, integration, and verification documentation.Integrate Systems: Integrate hardware and software mitigations for nuclear environments into tactical systems, evaluating their functionality and impact.Document and Communicate: Develop integration documentation, execute plans, analyze data, verify requirements and effectively communicate results to leadership and key stakeholders.Perform Data Analysis: Conduct statistical and numerical analysis of radiation performance data to ensure optimal system performance and verify requirements.Present Findings: Present technical findings and viable solutions to leadership and customers.Support Missions: Travel as needed (up to 20%) to support mission execution at various locations including local RTX facilities, test sites, vendor facilities, and customer locations.Qualifications You Must Have:Ability to obtain a US DoD Top Secret Security Clearance (Selected Candidate will be subject to a government security investigation/reinstatement and must meet eligibility requirements)Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 5 years prior relevant experience oran Advanced Degree in a related field and minimum 3 years of experienceExperience in developing and managing requirements of varying levels (system, sub-system, line replaceable units (LRUs)).Experience with generating technical documentation, such as test plans, procedures, or technical reports.Qualifications We Prefer:Experience using digital engineering tools such as DOORS, JIRA, Subversion, or equivalent for requirements management, configuration control, or workflow tracking.Experience applying Model-Based System Engineering (MBSE) methods using SysML in design tools (Enterprise Architect, Rhapsody, Cameo, or equivalent).Experience with evaluating systems using simulated environments.Working knowledge of embedded (low-level) software development, application-level software development, and/or hardware development principles.Understanding of standard development processes, including waterfall and Agile methodologies, and the ability to apply them in an engineering environment.Experience interfacing with internal and external customer, including communicating requirements, presenting technical findings, or supporting design reviews.Experience working in an integration lab, test facility, or in the field, supporting integration and/or verification activities.Demonstrated ability to write and present technical material clearly and effectively.Ability to manage tasks and meet cost, schedule, and performance objectives with minimal oversight.This position is part of a larger team that creates a variety of Environmental Effects for TEMPEST, Nuclear, Electromagnetic Compatibility/Interference (EMC/EMI) and Power Quality qualification testing of Company products and programs to various military and commercial industry standards.The EEE Lab is a world-class, full-service, 18,000 sqft (and growing) Environmental Qualification Test Lab located in Cedar Rapids, IA capable of creating nearly any sub-system environment required in the avionics industry. While EEE reports up through Central Engineering Solutions, they support testing for all Collins Aerospace and Raytheon Technologies as needed. EEE services not only includes a full suite of Climatics, Dynamic, EMI/EMC, Lightning, and TEMPEST test capabilities; our industry experts also offer design support, analysis, test failure troubleshooting, root cause analysis, and much more.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 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 ​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!  May be eligible for relocation​Learn More & Apply Now!​*Please ensure the role type (defined below) is appropriate for your needs before applying to 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. ​ ​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 86,800 USD - 165,200 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