Senior Systems Engineer - Infrastructure (Onsite)

Job ID: 01846202Posted: Posted 2 Days AgoStart Date: 2026-07-29Location: US-TX-RICHARDSON-C17 ~ 1717 Cityline Dr ~ CITYLINE C17; US-IA-CEDAR RAPIDS-193 ~ 1120 Collins Rd NE ~ BLDG193Country: United States of AmericaTime Type: Full timeDate Posted:2026-07-29 Country:United States of America Location:US-TX-RICHARDSON-C17 ~ 1717 Cityline Dr ~ CITYLINE C17 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 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.Are you looking to make a meaningful, positive impact while advancing your career? We are seeking a SeniorSystems Engineer to work onsite in Richardson, TX or Cedar Rapids, IA.At Collins Aerospace, you’ll help shape the future of aerospace technology by supporting mission-critical systems that strengthen national defense and protect those who serve. As a Senior Systems Engineer within Strategic Defense Solutions (SDS), you will apply your technical expertise to the development of advanced Strategic Nuclear Deterrence capabilities, contributing to the design, integration, and validation of secure, resilient mission systems. In this role, you will collaborate across geographically distributed teams to support systems and cybersecurity engineering efforts for next-generation network, compute, and storage technologies—from early-stage development through accreditation and production. This position offers the opportunity to expand your leadership and technical capabilities while working alongside experienced professionals in communications and nuclear deterrence. We are seeking motivated engineers who thrive in solving complex problems, driving technical execution, and collaborating across disciplines to deliver innovative solutions for critical missions. Sign-on Bonus Eligible What YOU Will Do:  Capture, analyze, decompose, and trace System requirements.  Design, develop, and model systems and sub-systems.  Develop and verify test procedures at the system and sub-system levels.  Building complicated models using SysML for activity, state, block diagrams, and use cases.  Utilize JIRA to decompose features into user stories with clear acceptance criteria.  Support project level work and meet schedule, cost, and performance goals.  Identify program technical risks by evaluating requirements and design aspects.  Represent aspects of the Systems design at internal and external customer meetings.  Support communication between functional discipline groups within the organization.  Engage in classified lab environments to apply your expertise hands-on.  What YOU Will Learn:  Advanced aerospace and defense solutions supporting mission-critical military platforms. Application of Model-Based Systems Engineering (MBSE) principles to emerging technologies and complex system architectures. Hands-on experience with next-generation network, compute, storage, and cloud-based technologies. Leadership and operational excellence through Collins Aerospace’s Customer Oriented Results and Excellence (CORE) Operating System. Qualifications you must have:  Experience with network architectures using physical and virtual networks with VMWare or other cloud platforms (AWS, GCP, Azure, Oracle) in cloud and hybrid environments. Proven experience of mentoring a team of Systems Engineers.  Effective communication skills with all levels of management, program team members, and external stakeholders.  Proven experience in systems engineering to include capturing customer requirements, operations concept development, deriving and tracing system and sub-system 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 experience.The ability to obtain and maintain a U.S. government issued secret clearance is required.U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.   Qualifications we prefer:Current/Active US security clearance Experience with Model-Based Systems Engineering (MBSE), including development of SysML models such as activity, state, block diagrams, and use cases using tools like MagicDraw Cameo, Rhapsody, or Enterprise Architect. Agile experience working as a scrum master, Product Owner (PO), Release Train Engineer (RTE), or other agile leadership roles.  Working knowledge of bidding and project/task estimation tools. e.g., Software Evaluation and Estimation of Resources (SEER) products.  Experience with processes such as peer review, configuration, and change management.  Participating in root cause analysis and corrective actions.  Identify, assess, and manage technical risks and opportunities to support program execution, system performance, and successful delivery of mission objectives. What We OfferMedical, dental, and vision insuranceThree weeks of vacation for newly hired employeesGenerous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy optionTuition reimbursement programStudent Loan Repayment ProgramLife insurance and disability coverageOptional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protectionBirth, adoption, parental leave benefitsOvia Health, fertility, and family planningAdoption Assistance         Autism BenefitEmployee Assistance Plan, including up to 10 free counseling sessionsHealthy You Incentives, wellness rewards programDoctor on Demand, virtual doctor visitsBright Horizons, child and elder care servicesTeladoc Medical Experts, second opinion programThis position may be eligible for relocation assistance And more! Learn More & Apply Now!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 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.Employee Referral EligibleAs 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