Senior Platform Engineer – Agentic AI & Harness Engineering

Agent Harness Engineer

At Kyndryl, we run and reimagine the mission-critical technology systems that drive advantage for the world's leading businesses. With proven expertise and a continuous flow of AI-powered insight, enabling smarter decisions, faster innovation, and a lasting competitive edge. For our people—Kyndryls—that means doing purposeful work that powers human progress. Join us and experience a flexible, supportive environment where your well-being is prioritized and your potential can thrive.

What you will do:

• Design and build the agent harness: runtime, orchestration, tool and MCP integration, context and memory, evaluation, guardrails and observability.
• Build golden paths and reusable patterns so teams ship agents that are reliable, governed and measurable, instead of one-off scripts.
• Define the oversight model: policy-as-code, human-in-the-loop checkpoints, loop and failure detection, evaluation harnesses, and cost control.
• Integrate agents with the systems they act on: CI/CD, infrastructure, cloud services, observability and ticketing, through APIs and MCP.
• Make agentic productivity measurable: define what productive means for each use case, instrument it, and run the harness on that data.
• Keep the harness model-agnostic and versioned, so it survives model upgrades and provider changes without rewrites.
• Mentor teams, run enablement, and reduce friction between Dev, Ops, Security and the people adopting agents.

What success looks like in your first year:

• Teams ship agents through the harness golden paths instead of bespoke scripts.
• Agentic workflows run in production with guardrails, evaluation and measured productivity impact.
• The harness absorbs at least one model or provider upgrade without a rewrite.

What you will bring:

• 5+ years in Platform Engineering, Dev Ops or SRE, building developer platforms or runtime and orchestration systems in production.
• Hands-on experience building agent harnesses or agentic systems: runtime, tool and MCP integration, orchestration, evaluation and guardrails.
• Solid software engineering, primarily in Python, with the depth to build production systems and abstractions, not only prompts.
• Strong cloud-native background:
  Kubernetes, containers, Infrastructure as Code, and one major cloud (AWS, Azure or GCP).
• A working grasp of how LLM agents fail and the engineering that makes them reliable: context design, loop and failure detection, verification and evaluation.
• Experience treating a platform as a product: contracts, SLOs, adoption metrics and real users.
• Professional working English and Spanish.

Nice to have:

• Agent frameworks such as Lang Graph, CrewAI, Auto Gen etc. and the Model Context Protocol.
• Serious production use of AI-assisted development tools (Claude Code, Copilot, Codex).
• LLMOps, agent evaluation, or observability for agentic systems.
• Prior work on harnesses that stay stable across model upgrades.
• Platform engineering in regulated environments (finance, insurance, public sector).

The "Kyn" in Kyndryl means kinship, which represents the strong bonds we have with each other, our customers and our communities. We focus on ensuring all Kyndryls feel included and we welcome people of all cultures, backgrounds, and experiences. Even if you don't meet every requirement, we encourage you to apply. We believe in growth, and we're excited to see what you can bring.

At Kyndryl, employee feedback has told us that our number one driver of employee engagement is belonging. That sense of belonging — being a valued, respected, trusted member of the team — is fundamental to our culture and fueling great experiences for our customers. This dedication to welcoming everyone into our company means that Kyndryl gives you the ability to thrive and contribute to our culture of empathy and shared success.

That's The Kyndryl Way.

Your career with us isn't just a job—it's an adventure with purpose. We offer a dynamic, hybrid-friendly culture that supports your well-being and empowers you to grow. Our Be Well programs are thoughtfully designed to support your financial, mental, physical, and social health—because we know that when you feel your best, you do your best.…