Lead the design and delivery of AI context engineering and evaluation harness workstreams. Develop RAG, memory, token-management, ontology, MCP integration, sandboxing, orchestration, validation, and evaluation standards. Support pilot teams, define integrations with GitHub, Notion, and Slack, build YAML-based knowledge models and repo-native harness prototypes, and translate pilot evidence into company-wide best practices and technical standards.
The Context & Harness Committee is moving from strategy to execution. We are seeking three hands-on AI Tech Leads to define and validate our context engineering standards and evaluation harness before company-wide rollout.
Core responsibilities
- Lead the technical design and delivery of the assigned Context and Harness workstreams
- Review context formats, ontology models, harness proposals, and integration approaches.
- Support pilot teams across MFBS divisions with context conversion, fixture authoring, and evaluation.
- Define how GitHub, Notion, and Slack content maps into the agent context engine.
- Establish guidelines for federated context routing and token-budget allocation across sources.
- Contribute to an ontology proof of concept covering one domain and one workflow using YAML-based schemas.
- Validate integration with internal or external agent platforms, including access and smoke testing.
- Capture pilot evidence and contribute to the standard and company best-practices package.
Requirements
Required skills
Context engineering skills
- RAG and retrieval pipelines:Design advanced search and retrieval systems that supply models with accurate, relevant, and timely information.
- Context-window and token management:Compress conversation history, prioritize useful context, and filter noise to optimize model attention and cost.
- Memory architecture:Build short-term and persistent memory systems that allow agents to retain state across tasks and interactions.
- Instruction curation:Structure plain-English operating rules, Markdown files, domain guides, and other instructions for dynamic injection into agent tasks.
- Context formats and knowledge modeling:Design context layers and reusable knowledge assets using Markdown, YAML, schemas, and related formats.
Harness engineering skills
- Tool and MCP integration: Connect models to external APIs, execution environments, tools, and Model Context Protocol (MCP) servers.
- Sandboxing and permissions: Define safety boundaries, access controls, approval flows, and secure execution environments for agent actions.
- Validation and guardrails: Implement linters, automated tests, evaluations, and verification layers that detect hallucinations, policy violations, or broken code.
- Orchestration and control loops: Design multi-step workflows, retry logic, state transitions, and error-correction loops for long-horizon tasks.
- Evaluation harnesses: Build fixtures, benchmark tasks, quality gates, and CI-integrated evaluations using DeepEval, Promptfoo, or comparable frameworks
Supporting technical and leadership skills
- LLM and agent fundamentals: Strong understanding of agent workflows, RAG, evaluation methods, and quality gates for AI-generated output.
- Software engineering:Strong Git/GitHub and CI practices, experience with repo-native tooling, and the ability to prototype quickly.
- Technical leadership: Ability to make pragmatic architecture decisions, lead POCs, and turn evidence into reusable standards.
- Communication: Ability to write clear technical proposals and provide constructive cross-team review and feedback.
- Experience with ontology or knowledge modeling using YAML-based schemas.
- Familiarity with internal or external agent platforms.
- Experience with hybrid search, indexing pipelines, or context freshness mechanisms.
Success outcomes
- Context architecture, format, and evaluation standards are validated through representative pilots.
- Pilot teams can convert source knowledge and author evaluation fixtures using documented playbooks.
- A working repo-native harness POC demonstrates repeatable benchmark execution and quality gates.
- The committee has sufficient evidence to ratify the standard and decide whether to adopt or build the long-term harness.
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