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Raytheon Technologies Senior CNO Developer in Annapolis, Maryland

Cyber Offense and Defense Experts (CODEX) is in need of smart, motivated and self-driven Senior CNO Developers to join our team to solve real-time cyber challenges. Looking for individuals who enjoy working on a mission-focused team that works very closely with our end users.

Duties include: design custom software tools and techniques or Linux platforms; be responsible for end-to-end design and development of custom software; diagnose and debug issues using both COTS and GOTS tools; have a firm understanding of how networks work; develop documentation pertinent to operating and supporting developed software and techniques; mentor and lead junior-level developers to accomplish mission objectives; and solve real-time cyber challenges.

The place of performance for this work can be Arlington, Dulles, Virginia, State College, Pennsylvania, or Annapolis Junction, Maryland.


  • Ten years of experience programming in C, and Python

  • Ten years of experience UNIX applications using make files or comparable build environments, mission-applicable platforms

  • Ten years of experience with programming CNO tools and techniques

  • Ten years of experience with network sockets programming and expert packet-level understanding of IP, TCP, and application-level protocols

  • Experience tracing code execution in a debugger (WinDbg/gdb/IDA Pro)

  • Experience creating and briefing technical presentations

  • Knowledge of Unix kernel internals, including the OS runtime linker/loader, object file formats (e.g., ELF), file system internals (e.g., NTFS, ext2, btrfs), OS-specific mandatory and discretionary access control mechanisms, and process and thread APIs and data structures

  • Understanding of security protection mechanisms (ASLR, DEP, NX), how to defeat them, and how to detect a defeat

  • Experience developing software and performing code reviews on a team, using tools such as git, Gitlab, etc.

    Desired Experience

  • Experience with native-level mobile development

  • Experience with vulnerability analysis

  • Experience with assembly, preferably ARM

  • Understanding of mobile security protection mechanisms, such as SELinux and application sandboxing

    Security Clearance

    U.S. government security clearance.


    Degrees are not required for this position.


This position requires either a U.S. Person or a Non-U.S. Person who is eligible to obtain any required Export Authorization.181081

Raytheon is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, age, color, religion, creed, sex, sexual orientation, gender identity, national origin, disability, or protected Veteran status.