Mid-Level CNO Software Engineer

Arlington, VA Until 9/21/2026 First posted July 23, 2026 Last posted July 23, 2026
Job description

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.

About this role

Summary

Develop cyber capabilities with system-level programming, networking, and reverse engineering.

Job title

Mid-Level CNO Software Engineer

Experience level

mid-level

Industry

software

Location requirements

remote work possible, based in Arlington, VA

Salary

Not specified

Management role

No

Skills & keywords

Required skills

C/C++PythonLinux/Windows kernel driverscommunication

Preferred skills

networking (802.11ac, Zigbee, GSM, SATCOM, SDN, UHF/VHF, 5g)POSIXWIN32 APIembedded platforms (uBoot, IOT)reverse engineering (gdb, Binary Ninja, IDA Pro)assembly reading (x86, x64, ARM)cryptography (AES-GCM, SHA256, ECDSA)version control (git, svn, mercurial)mobile development (Android, iOS)security clearance

Specializations

cybersecuritynetworkingsystems softwarelow-level programmingreverse engineering
Locations

Structured locations inferred from the posting.

Arlington, VA, USA

Remote City