Principal Cybersecurity Software Engineer

Principal Cybersecurity Software Engineer

Location: Raleigh, NC | Huntsville, AL

Position Type: Full-Time | Hybrid

Signing Bonus and relocation assistance (if applicable)

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Secure the systems that protect the mission.

Secmation is seeking a Principal Cybersecurity Engineer to lead the design and implementation of cybersecurity solutions for embedded and software-intensive defense systems. In this role, you will provide technical leadership and security architecture guidance across multiple programs, helping ensure mission-critical platforms remain secure in complex operational environments.

You will collaborate with multidisciplinary engineering teams and DoD customers, supporting design reviews, technical decisions, and program execution. This position also plays a key role in mentoring engineers, advancing secure software practices, and shaping Secmation's long-term cybersecurity strategy.

What You'll Do

• Provide technical leadership and architectural ownership for secure embedded software across multiple programs and platforms.


• Design, develop, and validate advanced cybersecurity solutions for embedded and software-intensive defense systems operating in constrained and contested environments.


• Serve as a senior technical interface to DoD customers, supporting design reviews, technical interchange meetings, and mission-critical decision-making.


• Guide the application of secure software principles, including threat modeling, vulnerability mitigation, and system-level risk reduction.


• Mentor and technically lead engineers, setting best practices, reviewing designs, and elevating overall software and security maturity.


• Influence long-term technical strategy, contributing to roadmap development, internal R&D initiatives, and proposal efforts.

Required Qualifications

• U.S. citizen with an active DoD security clearance (any level).


• Bachelor's or Master's degree in Electrical Engineering, Computer Engineering, Computer Science, or a related technical field.


• 15+ years of experience in embedded software development, including C/C++, RTOS-based systems, and modern embedded architectures.


• 10+ years of experience designing and implementing cybersecurity solutions for embedded or software-intensive systems


• Experience serving as a Principal Engineer, Technical Lead, or Architect on defense programs.


• Expert-level proficiency in secure C/C++ development, including implementation of security controls in real-time, resource-constrained environments.


• Demonstrated ability to define system-level security architectures and guide secure software design across platforms and teams.


• Background in embedded cybersecurity for RF systems, autonomous platforms, EW, or AI-enabled systems.


• Experience supporting DoD system development lifecycle and technical reviews (SRR, PDR, CDR).


• Strong communication skills, with experience briefing senior stakeholders, government customers, and contributing to technical proposals.

Work Environment

• Hybrid role with on-site work required in Raleigh, NC or Huntsville, AL.


• Core work hours are Monday to Friday, with flexible work schedules.


• Collaborative, fast-paced, and technically innovative environment with remote team integration.

Compensation & Benefits

• Competitive salary (based on experience and market conditions)


• One-time signing bonus


• 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

Why Join Secmation

Secmation is a mission-driven engineering company delivering real operational capability to the defense community. For more than a decade, we've combined small-business agility with deep technical credibility to build systems that directly impact national security.

As a Principal Cybersecurity Software Engineer, you will operate at the forefront of embedded cybersecurity, AI-enabled RF/cyber analytics, trusted execution environments, and secure system architectures. This is not an IT role - it is a hands-on technical leadership position where security is designed into systems from the ground up.

Small company. Big mission. Real engineering.

About Secmation

Secmation is not a traditional 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 our website to learn more about our work and impact: Advanced Cybersecurity Technologies - Secmation

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 and current market conditions.

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