Lead Harness Engineer — AI Quality & Safety

FICO; United States; On-site; USD 140,000 - 230,000; Full time

Job summary

FICO seeks a Senior Harness Engineer to own core harness subsystems and establish standards guiding production-ready AI-assisted engineering. You will architect verification, guardrails, and feedback loops to ensure reliable, maintainable output from model-driven development.

You will build tools, tests, and observability to push accuracy, safety, and efficiency while mentoring engineers across teams. Join a critical path in harnessing AI responsibly.

Qualifications

• Seasoned software engineer with experience in large, complex codebases.
• Hands-on with AI coding agents and practical understanding of their limits.
• Experience building tooling across modern stack and documentation standards.

Responsibilities

• Design, build, deploy, and support harness components and guardrails.
• Develop feedforward guides and ensure team-wide standardization.
• Create feedback sensors and automated checks to catch issues early.
• Define quality gating and release criteria for agent-produced work.
• Establish LLМ testing infrastructure and evaluation approaches.
• Improve observability and track key metrics for prioritization.

Skills

System architecture

AI coding agents

Engineering tooling

Spec-driven development

Context engineering

Agent orchestration

Quality gating

Security for autonomous agents

Pact testing

Communication skills

Education

Bachelor's/Master's in Computer Science

Tools

CI/CD pipelines

Containerized environments

Instrumentation/observability

Linters & static analysis

Job description

FICO seeks a Senior Harness Engineer to own core harness subsystems and establish standards guiding production-ready AI-assisted engineering. You will architect verification, guardrails, and feedback loops to ensure reliable, maintainable output from model-driven development.

You will build tools, tests, and observability to push accuracy, safety, and efficiency while mentoring engineers across teams. Join a critical path in harnessing AI responsibly.