Embedded Software Engineer - RF & Communication Systems [SDR]

Location: Huntsville, AL

Position Type: Full-Time | Hybrid

Relocation assistance

Why Engineers Choose Secmation

Secmation is a proven, mission-focused engineering company with more than a decade of delivering real capability to the defense community. We operate with the speed, ownership, and tight-knit culture of a small business-backed by the credibility and track record that comes from 10+ years of successful execution. Here, engineers build systems that matter, move fast, and ship technology that directly impacts national security.

Small company. Big mission. Real engineering.

Join the Future of Secure Embedded Communications

Secmation is seeking a Junior Embedded Software Engineer with an interest in RF systems, military communications, radar, SATCOM, or Software-Defined Radios (SDR). In this hands-on role, you will develop and support embedded software for secure communications and electronic warfare systems, working alongside experienced engineers in a highly collaborative environment.

You will contribute to mission-critical DoD programs, gaining exposure to real-world RF and embedded systems while building a strong foundation in embedded software development, signal processing, and secure system design.

What You'll Do

• Develop and maintain embedded software for RF and communications systems, with a focus on Software-Defined Radio (SDR) platforms.
• Implement and integrate signal processing algorithms and communication waveforms under the guidance of senior engineers, supporting secure and resilient system operation.
• Collaborate with RF, hardware, and systems engineering teams to support the design and integration of embedded software for defense and industrial communication systems.
• Participate in hardware-in-the-loop (HWIL) testing, simulations, and field evaluations, assisting with system validation, debugging, and performance analysis.

Required Qualifications

• Active DoD clearance required.
• MS in Computer Science, Computer Engineering, Electrical Engineering, or related field.
• 1-2 years' experience in embedded systems software development.
• Proficiency in C/C++ for embedded systems; strong Python preferred.
• Experience with Linux-based operating systems in embedded environments.
• Deep technical background in communication systems, RF, and SDR development (e.g., GNURadio, REDHAWK, or similar frameworks).
• Experience in simulation of radio equipment
• Strong understanding of digital signal processing, error correction, adaptive tuning, and optimization for communication systems.
• Familiarity with cybersecurity protections in RF and communications systems.

Work Environment

• Hybrid role with on-site work required in Huntsville, AL
• Flexible 9/80 work schedule (every other Friday off).
• Collaborative, fast-paced, and technically innovative environment with remote team integration.

Compensation & Benefits

• Competitive salary (based on experience and market conditions)
• Company equity
• Relocation assistance
• 9/80 work schedule (every other Friday off)
• Paid time off & flexible work schedules
• Comprehensive health, dental, and vision insurance
• Life and disability insurance (short & long-term)
• 401(k) retirement benefits plus employer contributions

About Secmation

Secmation is not an IT company - we specialize in AI-driven software solutions, embedded cybersecurity, and secure RF systems for the defense industry. Our mission is to deliver next-generation secure technologies for electronic warfare, autonomous systems, and critical defense applications.

Visit to learn more about our work and impact.

Equal Opportunity Employer

Secmation is proud to be an equal opportunity employer. We are committed to building a diverse and inclusive team. All qualified applicants will be considered for employment without regard to age, race, gender, orientation, identity, religion, or veteran status.

U.S. Citizenship is required for this position due to government clearance requirements.

The salary range for this position represents a general guideline; however, Secmation considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills, work location, current market conditions, and other bona fide data.

This position qualifies for a discretionary performance-based bonus which is based on personal and company factors.