Job Description:
Title: Senior Sierra Engineer / Lead
Location: NY/AZ
Description:AgreeYa is a global Systems Integrator and is seeking an experienced Senior Sierra Engineer / Lead who owns end-to-end agent/solution architecture on Sierra: agent/skill decomposition (Root and sub-agents), guardrails, tool contracts, state and context model, and orchestration.
Experience- Minimum 9 years total in Conversational AI / agentic-bot design and delivery, including solution/technical leadership.
- 1-2 years hands-on Sierra with a senior/lead contribution on at least one Sierra project (Sierra is new; depth is valued over tenure).
- Proven full-stack engineering in TypeScript/JavaScript and enterprise SDLC.
Core Responsibilities- Own end-to-end agent/solution architecture on Sierra: agent/skill decomposition (Root and sub-agents), guardrails, tool contracts, state and context model, and orchestration.
- Define integration contracts (auth, APIs, telephony/transfer, attached data) and failure-handling strategy.
- Own the LLD - detailed journey/intent flows, tool contracts, state/context model, prompt/instruction design, error/edge-case handling, routing/transfer logic.
- Set standards for simulation coverage, critical-simulation gates, and test strategy across the team.
- Own release management: workspace reviews, merge governance, snapshot/release scheduling, approvals, and release APIs for automation.
- Design and govern Git migration and CI/CD pipelines (e.g., GitHub Actions) with simulation and release enforcement.
- Establish observability (monitoring, alerts, trace export to Datadog/Honeycomb) and drive analytics-based optimisation and experiments.
- Ensure security and compliance: API-token and permission management, secure external integrations, and adherence to enterprise controls.
- Mentor B-band engineers, run code/design reviews, and interface with client stakeholders.
Mandatory Skills (Sierra Platform)- Advanced Sierra Mastery: Mastery of all core B-band skills at an advanced/lead level.
- Release Management: Workspace development, merge requests, snapshots, release workflows, and release APIs for CI/CD.
- Git Migration & CI/CD: Strong Git and migrations; building pipelines; wiring simulation runs and release enforcement end-to-end.
- Quality & Observability: Monitoring/alerts, trace export (Datadog/Honeycomb), agent documentation, and comprehensive simulation coverage.
- Security & Compliance: Sierra security/compliance model, token/permission management, and secure integration with external systems.
Good to Have- Advanced Ghostwriter: Advanced usage and review governance for AI-generated changes.
- Analytics & Optimisation: Interpreting CSAT, resolution/containment, running experiments and reporting.
- Regulated Environments: BFSI or healthcare regulated-environment delivery experience.
Qualifications & Soft Skills- Bachelor's degree in Computer Science/Engineering or equivalent practical experience.
- Proven technical leadership, problem-solving, and adaptability to evolving scopes.
- Exceptional written and verbal communication for architecture docs, design reviews, and client stakeholder management.
- Ownership mindset across build test release monitor.
