Hiring: Senior Machine Learning System Engineer Company: Atlassian Location: Seattle, WA Job Posted Time: 2026-09-16 09:58:32 Employment Type: Full-time Target Skills & Keywords: Machine Learning, Search Platform, Retrieval Pipelines, Vector Indexing, Semantic Search, Neural Rankers, Embedding Models, Reranking Systems, Triton, PyTorch, RAG, Agentic Search, FinOps, Observability, SLOs, Distributed Systems Experience: - Senior-level experience in machine learning systems engineering - Proven track record of owning and driving design, development, and production deployment of ML systems - Experience building and maintaining production ML models including neural rankers, embedding models, and reranking systems - Hands-on experience with high-throughput, low-latency search systems and strict SLO targets - Experience with on-call practices, runbook development, and capacity planning - Mentorship experience with junior engineers and contribution to design reviews Required Skills: - Scalable search serving infrastructure design and implementation - Retrieval pipelines, vector indexing systems, and embedding-based semantic search - ML model serving frameworks such as Triton and PyTorch - End-to-end ML component delivery from experimentation to production rollout - Retrieval systems for agentic and RAG use cases, including personalized indexes, grounding pipelines, and multi-step retrieval workflows - Observability, monitoring, and incident response for search serving systems - FinOps principles and cost optimization across vector search infrastructure and ML serving fleets - Cross-functional collaboration with engineering leads, product managers, and platform stakeholders Qualifications: - Strong background in machine learning systems engineering - Ability to translate experimental models into production-grade systems with robust monitoring and evaluation harnesses - Experience collaborating with ML researchers - Ability to define technical roadmaps and deliver against team OKRs - Champion of engineering best practices Compensation: - Zone A: $180,000 - $235,000 - Zone B: $162,000 - $211,500 - Zone C: $149,400 - $195,050 - Eligible for benefits, bonuses, commissions, and equity Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don’t miss this opportunity to join a forward-thinking team!