d-Matrix
Principal Test Automation Engineer
$195K–$285K
Santa Clara · Hybrid · Principal · Full-time · Posted Oct 15, 2026
- Experience
- Extensive production software engineering experience; no number of years stated.
About the job
Sets technical direction and builds AI-enabled automation across the software development lifecycle, including quality engineering workflows for d-Matrix’s software and hardware systems.
What you'll do
- Build the shared automation foundation, including an agent harness and integrations with development tools, test results, logs, and observability data.
- Develop evaluation methods and guardrails to measure automation effectiveness, preserve correctness, and ensure changes are auditable.
- Deliver quality engineering automations such as failure attribution, defect deduplication, coverage-gap analysis, and release-readiness summaries.
What they ask for
- Extensive production software engineering experience and strong Python skills.
- Enough Rust and/or C++ experience to understand build flows and diagnose compiler errors.
- Experience shipping production AI-enabled tools or automation, with hands-on experience in LLM APIs, agent harnesses, tool integration, and context engineering.
- Experience evaluating nondeterministic systems and fluency across CI/CD, testing, and release processes; track record of setting technical direction across teams.
Nice to have
- Exposure to compilers, firmware, or hardware-in-the-loop test environments.
- Experience with MCP or similar protocols, GitLab, Jira, or Prometheus APIs, or managing cost and latency in LLM-based systems.
Pay
$195K – $285K USD base salary
Tools
Python, Rust, C++, LLM APIs, GitLab, Jira, Prometheus, MCP
AI focus
Defines and builds AI-enabled workflow automation across build, CI, testing, and release, including agent infrastructure, evaluations, guardrails, and quality engineering automations.
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