Senior Principal Systems Engineer - Surveillance Radar (Onsite)

Date Posted: 2026-08-04 Country: United States of America Location: US-MA-MARLBOROUGH-MA3 ~ 1001 Boston Post Rd ~ BLDG 3 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: None/Not Required Security Clearance Status: Not Required Join 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 or an Advanced Degree in a related field and minimum 7 years of experience U.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 test Experience using MATLAB or alternative tools to perform data analysis Experience using RF test equipment such as oscilloscopes, signal generators, network and spectrum analyzers Experience leading a team of engineers and interacting with the customer Experience with Linux or Unix operating systems. Able to travel, domestic and internationally up to 25% or more to meet program objectives Qualifications We Prefer: Experience with Agile Development Processes Experience with Model Based System Engineering (MBSE) and relevant tools such as Cameo Experience supporting US Federal Aviation Administration (FAA) or US Department of Defense (DoD) government contracts. Experience with IFF and AIMS U.S. Government testing What 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 represe