**Date Posted:** 2025-03-19 **Country:** United States of America **Location:** CO102: 16800 E Centretech Pkwy,Aurora 16800 East Centretech Pkwy Building S75, Aurora, CO, 80011 USA **Position Role Type:** Onsite 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. We have an exciting opportunity for a **Sr. Principal Systems Engineer – Signal Processing** with one of our premier programs within the Mission Solutions business unit. As a senior team member of a dynamic and multidiscipline development team, your responsibilities will span the development and fielding life cycle from initial concept definition through detailed design, development, and qualification testing and into fielding and customer support. The ideal candidate will have a strong engineering background with experience in radio frequency (RF) communications links and systems, algorithm prototyping/modeling, Electronic Warfare (EW) waveform design, and software-defined radios. **What You Will Do** + Define tasking/milestones and work with the team lead to ensure adherence to budgets, plans, and schedules + Provide expert guidance and consulting to other team members as well as work as an individual contributor + Assist with establishing and maintaining the program technical baseline as it relates to signal processing + Provide technical direction and clarification of requirements and design to systems engineers, software development teams and integration and test personnel + Support technical interchange meetings with program management and the customer and represent the organization in matters related to signal processing **Qualifications You Must Have** + Typically requires a Bachelor's Degree in Systems, Aerospace, or Electrical Engineering, or a related field and minimum 10+ years of prior relevant experience + Active Top Secret / SCI Security Clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance + Experience with waveform design and modulation theory applications as well as satellite RF links (modulation, Doppler effects, link budgets. Multiple access techniques, etc.) + Strong experience using Matlab or related languages for signal prototyping and simulation as well as working with front-end processors, radio transceivers, communication satellites and their ground terminals + High level of integrity and strong work ethic and experience establishing and maintaining good working relationships with all levels of the organization, including Government customer, IPT leadership, and support organizations + Strong interpersonal skills and excellent written and verbal communication skills and experience with Microsoft Office suite (e.g. Project, PowerPoint, Excel and Word) + Must be willing and able to travel as required (~10%) **Qualifications We Prefer** + Practical experience with, and theoretical knowledge of, antennas used for satellite communications + Experience with signal detection in challenging RF environments and spread spectrum (direct sequence and frequency hopped) theory and application + Experience with the design and/or operations of Electronic Warfare (EW) systems + Experience creating efficient implementations in software + Ability to work with and mentor younger engineers + Masters Degree or higher in Engineering, Science or Mathematics **What We Offer:** + Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation **Learn More & Apply Now!** + Please consider the following role type definitions as you apply for 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. + Location Information: This position is an onsite role at our Aurora, CO (Denver area) campus: https://careers.rtx.com/global/en/raytheon-aurora-co-location The salary range for this role is 124,000 USD - 250,000 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.