Principal Cybersecurity Software Engineer

Secmation•Huntsville, AL

1d•Hybrid

About The Position

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.

Requirements

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.

Responsibilities

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.