Zetier

Software Development Engineer in Test (SDET)

Zetier
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6 months ago
Arlington, VA, USASenior

Responsibilities

  • Design, build, and maintain scalable automated testing capabilities for embedded hardware, cyber platforms, and operational software systems.
  • Develop automated validation frameworks and integrate testing into CI/CD pipelines.
  • Perform functional, integration, regression, and hardware-in-the-loop testing across hardware and software solutions.
  • Support verification activities involving firmware, networking systems, and mission-driven software capabilities.
  • Debug complex hardware/software system interactions and produce clear technical test documentation.
  • Collaborate with engineering and customer teams to support product reliability, operational effectiveness, and compliance objectives.

Requirements

  • At least 5 years of experience in software development or test engineering.
  • Strong programming experience in Python, C/C++, and/or Rust.
  • Experience deploying automated test frameworks such as pytest or Robot.
  • Experience testing embedded or Linux-based systems platforms.
  • Hands-on experience integrating testing into CI/CD pipelines.
  • Familiarity with debugging complex hardware/software system interactions and writing technical documentation.
  • Strong communication skills across engineering and customer teams.
  • Active U.S. security clearance.
  • Preferred experience includes hardware-in-the-loop and device automation, embedded systems, networking devices, mobile testing, Docker, Kubernetes, QEMU, Wireshark, Scapy, RF or wireless systems, firmware, drivers, low-level code or services, cybersecurity, vulnerability research, penetration testing, observability, telemetry, or reliability engineering.

Benefits

  • Positions are available in Arlington, Virginia.
  • Zetier is an Equal Opportunity Employer.

Tech Stack

Categories

Zetier

About Zetier

51-200 employees

Zetier builds cybersecurity products and operational cyber capabilities used in national security contexts, including tools spanning command and control, persistence, and networking. The company offers products and engineering services to government and national-security customers, focusing on deploying operationally critical capabilities. Privately held and headquartered in Arlington, Virginia, Zetier operates in the U.S. national security market.

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