Senior CNO Engineer

3 days ago


Annapolis, Maryland, United States Reflexive Concepts Full time
Senior CNO Engineer

Estimated Salary: $130,000 - $190,000 per year

About Reflexive Concepts

We are a leading provider of cutting-edge cybersecurity solutions. Our team is dedicated to delivering innovative and effective solutions to our clients.

Job Description:

We are seeking an experienced senior CNO engineer to join our team. The successful candidate will be responsible for designing, developing, testing, and maintaining CNO capabilities in support of our clients' mission requirements.

Required Skills and Qualifications:

  • Bachelor's degree and six (6) years of experience or minimum ten (10) years of experience in relevant field
  • Minimum eight (8) years of experience programming in Assembly, C, C++, Java, Perl, and/or Python
  • Minimum seven (7) years of experience developing in one (1) or more of the following: Windows applications using Visual Studio or .NET environments; UNIX applications using make files or comparable build environments
  • Minimum six (6) years of experience with programming CNO tools and techniques
  • Minimum five (5) years of experience managing and supervising teams in support of Government CNO capability development
  • Minimum five (5) years of experience programming CNO tools for the US Government
  • Minimum four (4) years of experience programming techniques to evade host and/or network-based IDS
  • Minimum four (4) years' experience in network sockets programming and application-level protocols

Specialized Qualifications:

  • Experience with designing and writing code in C, C++, Objective-C, Swift, or similar along with Python
  • Expertise in analyzing and securing SSL/TLS protocols
  • Proficiency in analyzing network traffic using tools like Wireshark, tcpdump, or custom scripts
  • Understanding of advanced cryptographic attacks and knowledge of secure coding practices to prevent vulnerabilities (e.g., SSL stripping, man-in-the-middle attacks)
  • Solid understanding of network security concepts, including firewalls, VPNs, IDSs, IPSs, and protocols like HTTPS, SSH, and TCP/IP
  • Experience with project management best practices such as Scrum and Kanban methodologies
  • Experience with version control systems (e.g., Git) along with understanding of basic configuration management principles


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