Sr. Software Engineer - Embedded Communications (Onsite)

Date Posted:2026-04-21Country:United States of AmericaLocation:US-IA-CEDAR RAPIDS-137 ~ 855 35Th St NE ~ BLDG 137Position Role Type:OnsiteU.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 clearanceSecurity Clearance Type:DoD Clearance: SecretSecurity Clearance Status:Active and existing security clearance required after day 1At Collins Aerospace, we don't just build technology-we engineer mission success. Our Resilient Connectivity Products software teams are on the front lines of innovation, designing and delivering cutting-edge embedded communication solutions that keep military forces around the world safe, connected, and informed-no matter the environment.We're looking for a Senior Software Engineer who's ready to make an impact. In this role, you won't just write code, you'll help shape the future of secure communications. From software-defined radios and advanced networking to state-of-the-art cryptographic systems, your work will drive critical real-time communications that enable pilots and soldiers to securely share voice, video, and data when it matters most.Here, you'll collaborate with top-tier engineers and industry experts, leveraging advanced technologies to push the boundaries of what's possible. Whether you're building on trusted systems or breaking ground on new innovations, your contributions will directly support mission-critical operations across the globe.If you're passionate about solving complex challenges, excited by the idea of working on systems that truly matter, and driven to grow alongside some of the brightest minds in the field-we want you on our team.Join Collins Aerospace Mission Systems and help us connect the battlespace of tomorrow!What You Will DoYOU will design and develop cutting-edge embedded software, networking and communication productsYOU will lead efforts in complex, multi-threaded embedded software in C++ and RustYOU will leverage containerization to streamline software developmentYOU will drive project success by directly contributing to requirements, implementation, test development, and certificationYOU will lead initiatives and small teamsYOU will guide your team, supporting cost, schedule and technical performanceWhat You Will LearnYOU will gain technical leadership experience and mentorship opportunities to develop talent for yourself and your peersYOU will collaborate with experts in the software discipline, obtaining hands-on experience with new and innovative technologiesYOU will engage with a multidisciplinary team to develop a cross-functional skillsetYOU will become a subject matter expert on your projects and programsQualifications You Must HaveTypically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and 5 years of prior relevant experience OR an Advanced Degree in a related field and minimum 3 years of experience.Experience in the full software development lifecycle3 years of experience with embedded software development3 years of experience in C++ or CQualifications We PreferExperience with Rust is a plusExperience with Linux development environmentsExperience with Git or other version control systemsExperience with multithreadingExperience with networking and communications protocolsComfortable working in Agile/Scrum environmentsWhat We Offer:Some 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 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 programEligible for relocationAnd more!?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.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 (http://www.rtx.com/privacy/Job-Applicant-Privacy-Notice) to read the Policy and TermsRaytheon Technologies is An Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age or any other federally protected class.