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Role description

Mid-Level CNO Software Engineer

Zetier logoZetier
TypeFull-time
SeniorityMid-level
LocationArlington, VA
Posted1/3/2026
Engineering

Mid-Level CNO Software Engineer

Zetier is seeking Mid-Level CNO Software Engineers to develop operationally critical cyber capabilities. Candidates will demonstrate practical experience designing, developing, and deploying tools intersecting command and control, persistence, and networking.

Required:

  • Experience with low-level programming (C/C++)
  • Experience developing in scripting languages (Python)
  • Systems software development experience (Linux/Windows kernel drivers)
  • Successfully developed cutting edge end-to-end cyber solutions
  • Effective communication with customers and teammates
  • Ability to obtain and maintain a U.S. security clearance

Desired:

  • Experience working in networking (802.11ac, Zigbee, GSM, SATCOM, SDN, UHF/VHF, 5g)
  • Integration with standard system libraries (POSIX, WIN32 API)
  • Development on embedded platforms (uBoot, drone firmware, IOT)
  • Reverse engineering experience (gdb, Binary Ninja, IDA Pro)
  • Familiar reading assembly / compiled programs (x86, x64, ARM)
  • Securely implemented cryptographic primitives (AES-GCM, SHA256, ECDSA)
  • Developed/patched version control software itself (git, svn, mercurial)
  • Developed software on mobile platforms (Android, iOS)
  • Successfully led small cross-domain development teams
  • Active U.S. security clearance

Zetier is proud to be an Equal Opportunity Employer. We celebrate diversity and do not discriminate on the basis of race, religion, color, sex, gender identity, sexual orientation, age, non-disqualifying physical or mental disability, national origin, veteran status or any other basis protected by law. All employment is decided on the basis of merit, qualifications, and business need.

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Company info

Zetier logo

Zetier

Zetier develops world-class cybersecurity products that protect our nation and our communities.

Private company
HQArlington, United States
Size51–200 employees
IndustryComputer and Network Security

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