Security-Cleared CNO Engineer (TS/SCI)

Cleared Principal CNO Engineer Join Bestgate Engineering, where innovation and mission-critical solutions intersect to drive national security forward. At Bestgate, we deliver technical excellence, foster collaboration, and empower our teams to support some of the most critical projects in the industry. We are seeking a Senior CNO Developer to join the Network Device team supporting a long-standing and essential mission. In this role, you will contribute to the development of both new and existing capabilities, focusing on network devices. This position offers a dynamic environment for engineers who thrive on tackling complex challenges and delivering impactful solutions. What You Will Be Doing: Candidate will have strong C programming skills to design and implement new features and maintain existing systems. Performing embedded engineering and reverse engineering on a variety of architectures to understand and modify software components. Collaborating with a high-performing team to troubleshoot and resolve issues in real-time environments. Conducting research and development to enhance current capabilities and explore innovative solutions. Applying in-depth knowledge of network protocols to develop efficient, scalable, and secure solutions. Required: 8 + years of experience as a Software Engineer using development technologies such as C/C++, and Python. 3+ years of experience with CNO development technologies and tools such as C/C++, Python, Ghidra, or Wireshark. Bachelors of Science degree in Computer Science or a related STEM field. 4 years of software engineering experience with a master’s degree in computer science or a related STEM field. Demonstrated experience in reverse engineering across diverse architectures. Security Clearance: Active TS/SCI w/ Polygraph Desired: In-depth understanding of network protocols and their implementation. Experience working in a Real-Time Operating System environment. *Salary Range: $185,000 - $240,000 *The provided salary range is an approximation based on current market data and may vary. The final offer will be determined after carefully considering the candidate’s skills, experience, and qualifications as they relate to the position. This range is intended as a reference point and is subject to change. Why Bestgate? Bestgate Engineering isn’t just any tech company—we’re on the front lines, delivering cutting‑edge solutions that support mission‑critical work for government customers and the military. Whether it’s cloud‑native technologies, software modernization, embedded engineering, high‑performance computing, or data science, we’re making an impact where it matters most. At Bestgate, we believe in putting people first—our employees and our customers. That’s why our core values—employee focus, transparency, reliability, and excellence—drive everything we do! Benefits Overview PTO: Starting at 26 days with options to adjust for personal needs. 401k: 7% gift, fully vested from day one! Free Medical, Dental, Vision: Coverage for employees and dependents. $5,000 in Training: For certifications, conferences, and continued learning. End-of-Year Bonuses: Recognizing your hard work. Morale-Building Hours: 8 hours annually for team‑building activities. Plus, flexibility, internal mobility programs, career pathing, engaged leadership, and a robust external referral program. **Equal Opportunity Employer** Bestgate is proud to be an Equal Opportunity Employer. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. #J-18808-Ljbffr