Principal Radar Systems Engineer

RTX; Huntsville (AL); On-site; USD 108,000 - 205,000; Full time

Benefits offered by this job

Relocation assistance

Comprehensive benefits

Annual incentive programs

Job summary

RTX seeks a Principal Radar Systems Engineer to lead radar architecture and requirements development for Missile Defense System capabilities. This onsite role is based in Huntsville, AL, and requires a DoD security clearance and U.S.

citizenship. You will develop architectural framework updates, document system-level performance, and verify designs through specified test scenarios while collaborating with cross-functional teams in a fast-paced, mission-driven environment.

Qualifications

• Typically requires a STEM degree with relevant experience in radar systems.
• Experience with radar signal processing and system-level requirements development.
• Proficiency in software languages and toolchains (e.g., MATLAB, Python, C/C++, Java).
• Familiarity with Linux and agile development practices.

Responsibilities

• Lead architecture and requirements development for MDS radar capabilities.
• Develop architectural framework updates and performance requirements.
• Document algorithms, test scenarios, and verification approaches.

Skills

Radar concepts

Detection

Tracking

Signal processing

Python

C/C++

MATLAB

Java

Linux

Agile

Education

STEM degree

Advanced STEM degree

Tools

DOORS

JIRA

Confluence

Job description

Date Posted: 2026-11-02 Country: United States of America Location: US-AL-HUNTSVILLE-401 ~ 401 Jan Davis Dr NW ~ JAN DAVIS 401 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 Type: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required on day 1

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world‑class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Raytheon brings 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. We deliver solutions that help our nation and allies defend freedom and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense. The Surface Radars and Sensors (SR&S) Center within Systems Engineering and Test Capabilities (SE&TC) is looking for a Principal Radar Systems Engineer to lead radar architecture and requirements development activities. This position will be onsite in Huntsville, AL.

What You Will Do

Lead architecture and requirements development activities to define, characterize, develop, and document Missile Defense System (MDS) radar Modeling and Simulation (M&S) capabilities. Develop architectural framework updates, system-of-systems functional and performance requirements, detailed algorithm descriptions, test scenario definitions, and verification approaches. Conduct requirements analysis and benchmarking to validate algorithm designs, ensuring system-level performance aligns with operational requirements.

Qualification

Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 8 years of prior relevant experience. Experience with radar systems or related systems engineering. Experience with radar signal processing, signal processing theory, and/or signal modeling. Experience in programming languages such as Matlab, Python, C/C++, and/or Java, and tools such as DOORS.

Qualifications

• We Prefer Advanced degree in a STEM discipline.
• Experience with radar system concepts, including detection, discrimination, tracking, and signal processing algorithms.
• Expertise in system-level requirements development, documentation, and maintenance.
• Experience designing system-level software architecture.
• Proficiency in developing and coding system models, algorithms, test vectors, and evaluation tools for radar requirements and performance analysis.
• Experience developing, documenting, and maintaining processes, methods, and tools.
• Demonstrated ability to develop technical solutions to complex issues.
• Experience working with Linux operating systems.
• Familiarity with Agile methodologies and tools such as JIRA and Confluence.
• Strong analytical, technical, and problem-solving skills.
• Proficiency with the Microsoft Office Suite.
• Excellent communication, technical writing, oral presentation, and interpersonal skills.

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.

Relocation Eligibility– Relocation assistance available

The salary range for this role is 107,500 USD - 204,500 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.

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 – 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.