Senior AI Systems Engineer - Agentic Search & Retrieval

Atlassian; Seattle, Northern (WA, KY); Hybrid; USD 206,000 - 269,000; Full time

Job summary

At Atlassian, we are shaping the agent era by building intelligence layers that let AI agents discover information, reason across sources, and choose the right capabilities to complete complex tasks. You may explore areas like Agentic Search, Search Experiences, and Retrieval & Relevance to push the boundaries of enterprise knowledge access.

You will work on scalable ML systems, tooling, and evaluation frameworks that ensure trustworthy results with strong technical communication across teams.

Qualifications

• Deep experience in ML, IR, NLP, LLMs.
• Experience building ML systems at production scale.
• Strong software engineering fundamentals for reliable production systems.
• Experience designing experiments and evaluations for complex ML systems.

Responsibilities

• Build systems that enable AI agents to discover information and reason over enterprise knowledge.
• Collaborate across areas such as Agentic Search, Retrieval & Relevance, and Tool discovery.
• Develop and evaluate end-to-end agent workflows and tool use scenarios.
• Contribute to grounding, citations, and reducing hallucinations in outputs.

Skills

ML systems

Information retrieval

NLP/LLMs

Production scale

Software engineering

Experiment design

First principles

Technical communication

Job description

At Atlassian, we are shaping the agent era by building intelligence layers that let AI agents discover information, reason across sources, and choose the right capabilities to complete complex tasks. You may explore areas like Agentic Search, Search Experiences, and Retrieval & Relevance to push the boundaries of enterprise knowledge access.

You will work on scalable ML systems, tooling, and evaluation frameworks that ensure trustworthy results with strong technical communication across teams.