CNO Test Engineer

Arlington, VA Until 9/21/2026 5+ years exp First posted July 23, 2026 Last posted July 23, 2026
Job description

CNO Test Engineer

Zetier seeks HW/SW Test Engineers to develop and implement automated test frameworks, execute comprehensive testing, and document test results for quality assurance, operational effectiveness, and compliance. Candidates will demonstrate practical experience in designing, developing, and automating tests for Computer Network Operations (CNO) hardware/software capabilities including Factory Acceptance Tests (FAT), Requirements Traceability Verification Matrix (RTVM), and other compliance-driven documentation.

Required:

  • Extensive experience (5+ years) low-level programming (e.g. C/C++)
  • Extensive experience (6+ years) developing automated tests
  • Highly experienced (4+ years) with scripting (e.g. Python, Bash)
  • Experience creating requirements, test procedures, and reports
  • Implemented automated testing pipelines in CI/CD environments
  • Effective communication with customers and teammates
  • Ability to obtain and maintain a U.S. security clearance

Desired:

  • Experience working in RF (e.g. 802.11ac, Zigbee, SATCOM, SDN, 5g)
  • Professional experience with CNO development and/or operations
  • Experience with [automated] hardware-in-the-loop (HIL) testing
  • Familiar with network protocol testing (e.g. Wireshark, Scapy)
  • Hands-on experience with containerization (e.g. Docker, VMware)
  • Knowledge of vulnerability assessments and penetration testing
  • Developed automated tests for embedded systems and mobile
  • Successfully led small cross-domain development teams
  • Active U.S. security clearance


Positions available in Arlington, VA.

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

Develops, automates, and executes tests for CNO hardware/software, ensuring quality and compliance.

Job title

CNO Test Engineer

Experience level

6+ years

Minimum experience

5+ years exp

Industry

defense

Location requirements

Arlington, VA; remote not specified

Salary

Not specified

Management role

No

Skills & keywords

Required skills

C/C++automated testingPythonBashtest proceduresCI/CD pipelinessecurity clearance

Preferred skills

RFCNO developmenthardware-in-the-loopnetwork protocol testingcontainerizationvulnerability assessmentspenetration testingembedded systemsmobile testingteam leadership

Specializations

network protocolsautomationsecurity clearanceembedded systemshardware-in-the-loop
Locations

Structured locations inferred from the posting.

Arlington, VA, USA

On-site City