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Pacific Northwest National Laboratory Logo

Backend Software Engineer II (Richland, WA)

Pacific Northwest National Laboratory

Salary not specified
Dec 26, 2025
Richland, WA, US
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PNNL's National Security Directorate (NSD) is seeking to develop and deploy cutting-edge AI/ML systems and enterprise-scale data platforms to address complex data and analytic challenges in support of national security and intelligence missions.

Requirements

  • Solid Python skills
  • experience with one additional language (C-Sharp/.Net, JavaScript, Java, or similar)
  • Basic cloud experience (AWS, Azure, or GCP)
  • familiarity with Linux environments
  • Understanding of version control (Git)
  • exposure to CI/CD
  • Experience with SQL

Responsibilities

  • design, build, and optimize scalable systems for processing multi-modal intelligence data at a remarkable scale and speed
  • shape mission-critical AI systems
  • help build enterprise-scale data platforms
  • Contribute to agentic AI implementations
  • work with LLM integrations
  • Build components for multi-INT fusion systems
  • Develop data pipelines

Other

  • This position is based in Richland, WA and requires an onsite presence Monday through Thursday, with Friday as required by business needs.
  • The ability to obtain and maintain a federal security clearance.
  • U.S. Citizenship
  • Background Investigation: 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.
  • Drug Testing: All Security Clearance positions are Testing Designated Positions, which means that the applicant selected for hire is subject to pre-employment drug testing, and post-employment random drug testing.