Principal Radar Software Engineer (Onsite)

globalhr

Huntsville (AL)

On-site

USD 108,000 - 205,000

Full time

7 days ago

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Benefits offered by this job

Medical

Dental

Vision

401(k) match

Paid time off

Job summary

RTX is seeking a senior software professional to collaborate with agile teams on radar/defense systems. You will design, implement, and optimize C++-based software on Linux/Unix, contribute to DSP/RF toolchains, and maintain system documentation across complex environments.

You will stay current with AI, DevSecOps trends, and participate in leadership activities as needed. US citizenship and active interim/secret clearance are required for this role in the defense domain.

Qualifications

Typically requires a STEM degree and 8+ years of experience.
Experience with C++ on Linux/Unix platforms.
Radar software development incl. DSP, RF, and signal modeling.
Active Secret security clearance and US citizenship required.

Responsibilities

Collaborate with cross-functional, agile teams to define, design, and implement new features for radar/defense systems.
Troubleshoot, debug, and optimize code for performance in complex environments.
Write and maintain documentation including system architecture and design specs.
Participate in product reviews and ensure engineering standards and best practices.
Stay current with industry trends in AI, DevSecOps, and modern languages for complex systems.
Exhibit leadership in (part-time or full-time) leadership roles when needed.

Skills

C++ development

Linux/Unix

Radar software development

Signal processing

Scrum Master / Product Owner

AI / DevSecOps awareness

Education

Bachelor's degree in STEM

Tools

MATLAB development

Job description

Date Posted:

2026-07-20

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:

Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date

At RTX, the world 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 freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

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.

What You Will Do

Collaborate with cross-functional, agile teams to define, design, and implement new features, ensuring system integration and scalability.
Troubleshoot, debug, and optimize existing code for performance and efficiency in complex environments.
Write and maintain comprehensive documentation for software applications, including system architecture and design specifications.
Participate in product reviews and ensure adherence to engineering standards and best practices.
Stay current with industry trends and advancements in modern languages, Artificial Intelligence (AI), Development, Security, and Operations (DevSecOps), and other methodologies and technologies, especially in relation to complex systems.
Exhibit leadership behaviors and practices and serve (part-time or full-time) in leadership roles
Travel may occasionally be required.

What You Will Learn

Agile methodology and the associated tools.
Modern Development, Security, and Operations (DevSecOps) and Continuous Integration/Continuous Delivery techniques.
Test-Driven Multi-Disciplined Capability (TDMC) Product Development methodology.
Work across engineering disciplines to develop solutions to complex problems in support of defense systems.
Use AI to increase efficiency, resulting in higher quality products, across the SDLC.
Broaden Radar domain knowledge.

Qualifications You Must Have

Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 8 years of prior relevant experience unless prohibited by local laws/regulations.
Experience with C++ development on a Linux/Unix based platform.
Experience with one or More of the Following to Support Radar Software Development
- Radar systems and signal processing (e.g., pulse-Doppler processing, detection theory, tracking, waveform processing)
- Digital signal processing (DSP) (e.g., FFTs, filtering, pulse compression, matched filtering)
- Radio Frequency (RF) systems and antenna concepts (e.g., propagation, phased arrays, beamforming, angle-of-arrival estimation)
- Radar scene and signal modeling (e.g., target phenomenology, clutter, propagation, complex baseband (I/Q) signal generation)
- Electronic attack (EA) and electronic protection (EP) concepts

The ability to obtain and maintain a U.S. government issued interim secret security clearance is required prior to start. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

Qualifications We Prefer

Active Secret security clearance.
Experience in the role as a Scrum Master (SM) and/or a Product Owner (PO).
3+ years of MATLAB development for modeling
Experience with MDA X-Band Radars
Design, implementation, optimization, and validation of radar signal processing and simulation software
Development of high-fidelity radar scene and complex baseband (I/Q) signal simulation capabilities
High-performance, real-time software development
Parallel programming and hardware acceleration (e.g., multithreading, SIMD, CUDA/OpenCL)
Performance analysis, profiling, and optimization of computationally intensive applications

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.

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 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.

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
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.