Date Posted: 2025 11 11 Country: United States of America Location: CO213: 1275 Newport Rd, Colorado Spri 1275 Newport Road , Colorado Springs, CO, 80916 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 â 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 Systems Engineering (SE) Directorate is the central focus for Mission Systems Integration activities within Raytheon, responsible for defining customer needs, functional and product architecture, requirements definition and decomposition, Model Based Systems Engineering (MBSE), system performance, and System Security Engineering (SSE). The Land Warfare and Missile Defense Systems (LWMDS) department oversees all aspects of Systems Engineering that drive the development of complex systems to support various Raytheon programs around the world. The LWMDS department supports Raytheon by cultivating a world class group of systems thinkers who work together as a team to architect technical solutions to some of the world's toughest problems. Key technical domains include Radar Systems and Sensor Netting, Effector Systems, Battle Management, Command and Control, Communications, Network Design, Battlespace Integration, and Interoperability for Domestic and International customers. The Senior Systems Engineer will be part of a Modeling and Simulation (M&S) team supporting the Open System Architecture Signal Injector (OSI) product. This role includes development and analysis of system and software requirements, development of complex mathematical algorithms, development of system architectures, and support to software and integration/test engineers. This position is an Onsite role in Colorado Springs, CO. What You Will Do You will perform architecture and requirements development activities that define, characterize, develop and document MDS radar OSI M&S capabilities. You will provide architectural framework updates, system of system functional and performance requirements, detailed algorithm descriptions, test scenario definition, and use verification approach. You will conduct requirements analysis and bench marking to verify algorithm designs, ensuring system level performance aligns with operational systems. Qualifications You Must Have Typically requires a Bachelor's in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of five (5) years of prior relevant experience Experience with Radar Systems or other related systems engineering experience to include Model Based System Engineering. Experience with radar signal processing, signal processing theory, and/or signal modeling Experience with MATLAB (including object oriented programming) and working on LINUX OS platforms. 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 STEM Experience with radar system concepts; detection, discrimination, track and signal processing algorithms and their behaviors and performance Experience with system level requirements development, documentation and maintenance and/or requirements development and design of system level software architecture Experience with the development and coding of system models, algorithms, test vectors and evaluation tools in support of analyzing radar requirements and performance Experience with developing, documenting and maintaining processes, methods and tools Experience developing technical solutions to complex issues Experience working with Python, C/C , Java or DOORS Experience with the software development process using Agile Methodologies and tooling, such as JIRA and Confluence Documented experience showing analytic, technical and problem solving skills Experience with MS Office Suite Experience demonstrating your communication, technical writing, oral presentation and interpersonal skills Previous experience interfacing with customers and leading technical solutions to complex user needs Experience working alone and in a geographically distributed team environment Experience working with other disciplines and communicating with all levels of the organization and stakeholders 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 â 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: https://www.state.gov/m/ds/clearances/c10978.htm 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 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 to read the Policy and Terms RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry leading businesses â Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.