Principal Systems Engineer

**Date Posted:** 2025-11-06 **Country:** United States of America **Location:** AL200: 401 Jan Davis Drive Huntsville 401 Jan Davis Drive , Huntsville, AL, 35806 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:** Secret - Current At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today's mission and stay ahead of tomorrow's threat. Our team solves tough, meaningful problems that create a safer, more secure world. The Multidisciplinary Integrated Systems Department (MISD) supports Raytheon by providing world class technical expertise and engineering leadership to drive the design and development of world-class Air and Missile Defense Systems, Sensors, and Effectors. We lead all aspects of Systems Engineering that drive the development of complex systems to support Raytheon's Land and Air Defense Systems business area from our Huntsville, AL location. Our Systems Engineers solve technical challenges at the System of System (SoS), System, Subsystem, and Component levels. This is an **Onsite** role in **Huntsville, AL.** **What You will Do** + The individual will perform Systems Engineering activities on one or more of our many programs. + Support programs which may include: Patriot, Air and Missile Defense Capability (AMDC), Lower Tier Air and Missile Defense Sensor (LTAMDS), Radar Development Contract (RDC), Standard Missile, and other sensor or effector programs. + The individual will be responsible for developing requirements, systems architecture and design, updating and maintaining Interface definitions & description documents and radar systems engineering + Collaborating with other stakeholders such as customers and engineers from inside and outside of Raytheon. **Qualifications You Must Have** + Typically requires a Bachelor's degree in Engineering, Science, Physics, Mathematics, or a related STEM degree and eight (8) years of prior relevant experience + Experience with Missile Defense Systems or other related systems engineering 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 **Qualifications We Prefer** + Advanced Degree in Engineering, Science, Mathematics, or related STEM degree + Model Based Systems Engineering (MBSE) experience + Experience working with MATLAB (including object-oriented programming), Python, C/C++, Java or DOORS + Experience with system and sub-system level requirements development, documentation and maintenance and/or requirements development and design of system level software architecture + Experience with system concepts; detection, discrimination, track and signal processing algorithms and their behaviors and performance + Experience with the development and coding of system models, algorithms, test vectors and evaluation tools in support of analyzing radar requirements and performance + Strong written and verbal communications skills & working with other disciplines communicating at all levels and stakeholders + Modeling & Simulation development experience & data analysis + Experience with the software development process using Agile Methodologies and tooling, including JIRA and Confluence **What We Offer** + Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation. + 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. + Relocation Eligible - relocation assistance available for this position **Learn More & Apply Now!** Clearance Information: Clearance Information: This position requires a security clearance. **DCSA Consolidated Adjudication Services (DCSA CAS)** , an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: **_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 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 ( 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.