**Date Posted:** 2025-05-08 **Country:** United States of America **Location:** MA801: Marlborough, MA 1001 Boston Post Road Building 2, Marlborough, MA, 01752 USA **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:** DoD Clearance: Secret **Raytheon Company, Managed by Collins Aerospace** 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. The Enduring & Open Systems Solutions (EOSS) Team is seeking an experienced **Senior Systems Enginee** r in a role committed to creating creative and cost-effective solutions for our ground and airborne systems. As part of Collins Mission Systems, we specialize in developing advanced communications systems, ground and flight computers, sensors, cyber and software solutions, as well as providing integration of Mission Systems. As part of the EOSS Department, the Systems Engineering Team supports a variety of communications systems and apertures including Beyond Line-of-Sight (BLOS) antennas for multi-band multi-constellation satellite communications (SATCOM) and Line-of-Sight (LOS) systems for communications and sensing applications. This position is onsite and can be located in McKinney, TX, Marlborough, MA or Fort Wayne, IN. **It requires an active DoD Secret Security clearance on day 1 with the ability to obtain and maintain SAP.** **What You Will Do:** + Support system trade studies, requirements analysis, architecture, and allocation to subsystems + Participate in development of test & integration plans and procedures and generation of test flow diagrams + Participate in integration, verification, and validation tasks and activities + Collaborate with multi-disciplinary teams + Manage problems and issues requiring detailed information gathering, analysis, and investigation + Support the development of full lifecycle solutions from CONOPS to Validation + Work autonomously with limited oversight from manager + Coach and review work to lower-level professionals + Influence others regarding policies, practices, and procedures + Manage small projects or processes + Manage preparation and execution of program design reviews + Review and document moderate changes in systems or processes to solve difficult and often complex problems + Communicate with team members within and outside of department or organization + Communicate with customers, vendors, or subcontractors + Use advanced knowledge from an advanced university degree combined with professional experience **Qualifications You Must Have:** + Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) unless prohibited by local laws/regulations and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience + Active and transferable U.S. government issued Secret security clearance is required prior to start date + Ability to obtain and maintain Special Access Program (SAP) clearance is required to work in our organization + U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance + Experience in supporting a team in requirements development and system architecture + Participation in medium-scale test and integration activities + Knowledge of requirements management tools (e.g., DOORS, DNG) + Familiarity of Model-Based Systems Engineering (e.g., SysML, Cameo, Rhapsody) + Knowledge of modeling/simulation tools (e.g., Matlab) + Understanding of Systems Engineering support for Software, Hardware, and Firmware development and collaboration **Qualifications We Prefer** + Familiarity with production and manufacturing + Familiarity with qualification processes and certification procedures + Knowledge of or application of Earned Value Management System + Proficiency in tooling to include Microsoft products or tasking boards (e.g., Jira) + Agile working environment experience + Proposal support experience including writing Basis of Estimates (BOEs) + Experience in Communication Radio and Systems including SATCOM, LOS/BLOS antennas, and waveforms + Experience with Active Electronic Scanning Array (AESA) systems **What We Offer** ​: + 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!  **Learn More & Apply Now!** ​ 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. With 68,000 employees across 46 countries around the world, we offer an extensive flight list of opportunities to explore the depth of our organization. Join us and help build a more advanced, more autonomous, more connected, more electric and more sustainable future! 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. ​ **This is an Onsite role:** 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. The salary range for this role is 82,000 USD - 164,000 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 Terms Raytheon 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.