Sr. Prin. Software Engineer

Job ID: 01872533Posted: Posted YesterdayStart Date: 2026-09-04Location: US-TX-RICHARDSON-C17 ~ 1717 Cityline Dr ~ CITYLINE C17Country: United States of AmericaTime Type: Full timeDate Posted:2026-09-04 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:Active and transferable U.S. government issued security clearance is required prior to start date.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance​ Security Clearance Type: Secret - Current Security Clearance Status: Active and existing security clearance required on day 1Job DescriptionAt 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, an RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has the capabilities, comprehensive portfolio, and expertise to solve customers’ toughest challenges and to meet the demands of a rapidly evolving global market. Collins is seeking Engineers to be part of an engineering team for the AF DCGS High Band Mission Applications Software (HBMAS) Sustainment and Development program. Under this effort, RTX Collins personnel will oversee/perform software development and sustainment for cloud-enabled systems that ingest, tag, and audit data sets, while maintaining security, integrity, and availability of data.  The team, working with our customers and users, will focus on developing and fielding operationally relevant system capabilities in the most effective and efficient manner.  The team will apply best practices across the engineering continuum, with a focus on improved software quality and process efficiency.  This candidate must have an active Secret – Current security clearance. Position is an onsite role in Ricardson, TX. Travel to customer CONUS & OCONUS sites as required, but no more than 25%. What You Will DoWork with Solution Architects to identify the hardware, software, network, and staffing needed to stand up prototype assemblies.Develop prototype assemblies that reduce architectural risk for new features and support smooth handover of designs to Integration teams.Create and manage schedules for prototype development activities and material acquisition.Track material orders, receipts, and readiness for assembly.Lead the production, movement, installation, configuration, and operational checkout of prototype assemblies in lab environments.Maintain prototype assemblies across their full lifecycle, including setup, updates, and sustainment.Qualifications You Must Have Senior‑level technical consulting experience with direct engagement across internal and external stakeholdersExtensive experience developing detailed full‑stack platform solutions including trade studies, cost, schedule, and technical considerationsExperience collaborating across multiple disciplines and IPTs to identify and secure materials for machine setup in a lab environmentExperience scheduling and securing fabrication and installation activities for machine setups in a lab environmentExperience developing machine network configurations, implementing them, and performing operational checkout of setups and configurationsExperience defining hardware and software requirements to support multiple prototypes or machine setups in a lab environmentExperience developing and identifying staffing requirements needed to support setup and testing of multiple prototypesExperience developing and maintaining prototype or machine setup environments across the product life cycleAbility to provide 75% or more on‑site support at RTX labs located in CityLine, TXPeople‑leadership experience including mentoring, coaching, and serving as a liaison across multiple high‑performing engineering teamsActive and transferable DOD Secret - Current clearance is required prior to start dateU.S. citizenship is required, as only U.S. citizens are eligible for a security clearanceTypically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 10 years prior relevant experience or an Advanced Degree in a related field and minimum 7 years of experience or in absence of a degree.Qualifications We Prefer​Experience with SAFe Agile processesExperience developing new processes and improving or streamlining existing onesCBC2 knowledge is a plusWhat We OfferSome of our competitive benefits package includes: Medical, 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 benefitsHealth, 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 programEligible for relocationAnd 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 partPlease ensure the role type defined below is appropriate for your needs before applying to this role. This position is classified as: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.#MISENGAs 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