Senior Principal Systems Engineer - Surveillance Radar (Onsite)

Job ID: 01840505Posted: Posted 30+ Days AgoStart Date: 2026-04-23Location: US-MA-MARLBOROUGH-MA3 ~ 1001 Boston Post Rd ~ BLDG 3Country: United States of AmericaTime Type: Full timeDate Posted:2026-04-23Country:United States of AmericaLocation:US-MA-MARLBOROUGH-MA3 ~ 1001 Boston Post Rd ~ BLDG 3Position 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: None/Not RequiredSecurity Clearance Status: Not RequiredJoin a team with a global impact that extends beyond the skies! At Collins Aerospace, an RTX company, we're at the forefront of cutting-edge technology and intelligent solutions for the aerospace and defense industry. Joining us means more than just starting a job—it's embarking on a journey to shape the future of aerospace technology. Our Connected Aviation group is thrilled to offer a Senior Principal Systems Engineer role within our Air Traffic Solutions (ATS) team in Marlborough, MA. As part of the ATS team, you'll be instrumental in developing the next generation of Air Traffic Control RADAR Systems and supporting our existing fielded systems. Step into a role where your innovations will revolutionize air traffic control and make a lasting impact on aviation worldwide.What You Will Do:You will join a dynamic Systems Engineering team dedicated to modernizing Air Traffic Control RADAR systems in the National Airspace System (NAS) and internationally.You will drive innovation by developing creative solutions to customer challenges and crafting system and product-level requirements. You will play a key role in verifying these requirements by developing rigorous sell-off criteria, ensuring the highest standards of performance and safety.You will have a direct impact on modernizing and deploying Air Traffic Control RADAR systems across the US and internationally.You will develop solutions to modernize and integrate multiplatform air traffic systems that track commercial, military, and unmanned aircraft to meet the demands of the future.You can take flight to the next level of your career by becoming a Subject Matter Expert (SME) and valued consultant to our Systems Engineering team.Qualifications You Must Have:Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 10 years prior relevant experience oran Advanced Degree in a related field and minimum 7 years of experienceU.S. citizenship is required - Only U.S. citizens are authorized to access information under these programs/contracts.Must be able to obtain FAA and/or DoD clearance: Must have or be capable of obtaining a US Federal Aviation Administration (FAA) clearance and/ or Department of Defense (DoD) Secret clearance.Prior experience with design, integration and test of Primary Surveillance RADAR (PSR) and Monopulse Secondary Surveillance RADAR (MSSR)Must have prior experience with IBM DOORS, Atlassian Jira, Confluence, and the Microsoft Office Suite.Must have experience generating technical documentation and preparing and facilitating briefings with all levels of internal and external stakeholders.Experience planning, developing and executing system and/or subsystem level integration and testExperience using MATLAB or alternative tools to perform data analysisExperience using RF test equipment such as oscilloscopes, signal generators, network and spectrum analyzersExperience leading a team of engineers and interacting with the customerExperience with Linux or Unix operating systems.Able to travel, domestic and internationally up to 25% or more to meet program objectivesQualifications We Prefer:Experience with Agile Development ProcessesExperience with Model Based System Engineering (MBSE) and relevant tools such as CameoExperience supporting US Federal Aviation Administration (FAA) or US Department of Defense (DoD) government contracts.Experience with IFF and AIMS U.S. Government testingWhat 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 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!  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. 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. 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. 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