**Date Posted:** 2025-07-17 **Country:** United States of America **Location:** TX190: 2501 West University, McKinney 2501 West University , McKinney, TX, 75070 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.** Have you ever wanted to help drive and grow an industry changing technology? If that question piques your interest, this is the position for you! Collins Aerospace has recently secured some larger and long-term funding that will allow us to mature the specific technology to higher Technology Readiness Levels (TRLs) on a path to fielding. This product is in the information/data security space. The Secure Systems Department is seeking a **Principal Systems Engineer** (SE) to help grow a new and exciting secure system product line. The qualified candidate will have extensive systems engineering experience throughout the Engineering V Model with a deep knowledge of secure systems. **This position requires onsite presence in McKinney, TX. An active Secret security clearance is required prior to the first day** . The Principal Systems Engineer (SE) will technically lead a team of 3-5 systems engineers across multiple programs and IRAD to ensure robust secure solutions are verified and validated in a fast-paced agile environment. The candidate will work collaboratively with the product line Chief Engineer, Technical Director, Architect, Integrated Product Team Leads, and other discipline Team Leads to ensure all efforts achieve their objectives. The candidate will drive a scaled agile systems process working with product owners and functional leads to reduce time to market to meet our customers’ ever-changing requirements. This individual will have a proven history of pushing teams toward new and innovative processes, tools, and a quality focused culture. The SE is a technical leader whose roles and responsibilities include derivation of requirements, architecture design, test planning and execution, implementing agile processes and tools, leading bids and proposal work, and working across the engineering functions to achieve program objectives. **What You Will Do:** + Design, develop, integrate, and test highly complex secure processing solutions across all products in the portfolio. + SME for requirements, design, verification, and validation activities in the Systems Engineering V Model + Plan and execute environmental testing objectives + Manage lab equipment and expansion across labs with multiple security classification levels + Work with the Material Program Manager (MPM) to manage vendors and suppliers to ensure necessary material is procured in a timely manner to meet program objectives + Support the training and growth of the SE team on the product line and ensure best practices are adhered to + Collaborate with the Chief Engineer, Architect, Technical Director and Business Development on new business pursuits. + Work effectively within a multi-disciplinary team with team members and customers + Work within the boundaries of government and company guidelines to ensure compliant and cutting-edge solutions for both current and future capabilities. + Work in multi-disciplinary teams with other team members and customers **Qualifications You Must Have:** + Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 8 years prior relevant experience or an Advanced Degree in a related field and minimum 5 years of experience. + Active and transferable U.S. government issued Secret security clearance is required prior to start date . + U.S. citizenship is required as only U.S. citizens are eligible for a security clearance + Advanced experience with system security concepts and designs + Experience in developing architecture and design of complex systems. + Advanced experience implementing system security into FPGAs and SOCs + Strong experience with secure system verification and validation activities adhere to security Technical Implementation Guide (TIG) + Must be experienced in managing vendors and subcontracts through design, implementation, and test activities **Qualifications We Prefer:** + Strong experience supporting development projects from concept through implementation and integration. + Hands-on systems integration experience + DevSecOps and MBSE experience + Experience with integrating software and firmware on FPGAs and SOCs + Previous bid and proposal work + Experience with ASIC design + Familiar with TCP and UDP Ethernet protocols + Familiar with ASIC design + Familiar with 3U SOSA/MOSA standards **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. ​ **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. **Employee Referral Eligible** The salary range for this role is 101,000 USD - 203,000 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.