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Pacific Northwest National Laboratory Logo

Lead Backend Software Engineer IV (Seattle, WA)

Pacific Northwest National Laboratory

Salary not specified
Dec 27, 2025
Seattle, WA, US
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PNNL's National Security Directorate (NSD) is seeking to develop advanced AI engineering initiatives, including agentic AI architectures, petabyte-scale data orchestration, and real-time multi-intelligence processing, to address complex data and analytic challenges and deliver computational solutions for national security threats.

Requirements

  • Fluency in Python, with proficiency in C-Sharp/.Net, Go, JavaScript/TypeScript, [Java, C/C++, Rust]
  • AWS/Azure architecture, Kubernetes orchestration, Infrastructure as Code, [GCP, Multi-cloud, Edge computing]
  • S3, Elasticsearch/OpenSearch, PostgreSQL, MongoDB, Redshift, Delta Lake, Vector stores
  • Agentic AI systems, LLMs, model deployment & orchestration, MLOps platforms, distributed training, model serving at scale, vector databases, graph analytics
  • Data fusion, GEOINT processing, signals analysis, threat correlation
  • Spark/Databricks, Kafka/streaming, data lake/mesh architectures, real-time analytics, distributed computing
  • Agile/SAFe methodologies, GitLab Enterprise, advanced CI/CD, security-first DevOps

Responsibilities

  • Architect and lead the development of mission-critical AI systems
  • Design systems at scale in support of mission objectives
  • Drive technical strategy for some of the nation's most sophisticated intelligence and security applications
  • Take ownership from concept to deployment
  • Translate cutting-edge research into production-ready systems deployed in highly secure environments
  • Design scalable microservices architectures that coordinate across multiple domains
  • Build robust API gateways for classified environments

Other

  • This position is based in Seattle, WA, and requires an on-site presence Monday through Thursday, with Friday as required by business needs.
  • PhD and 3 years of relevant experience -OR- MS/MA or higher and 5 years of relevant experience -OR- BS/BA and 7 years of relevant experience -OR- AA and 16 years of relevant experience -OR- HS/GED and 18 years of relevant experience
  • Possession of an active Federal Q Clearance
  • U.S. Citizenship
  • Applicants selected will be subject to a Federal background investigation and must meet eligibility requirements for access to classified matter in accordance with 10 CFR 710, Appendix B.