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Principal Software Engineer (SWE 3)

Staffed4U

$160,000 - $230,000
Sep 7, 2025
Annapolis Junction, MD, US
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Designing, developing, and deploying advanced Retrieval Augmented Generation (RAG) solutions in a high-performance computing (HPC) Linux environment for a mission-focused team

Requirements

  • Proficiency with Linux system administration, CLI, and shell scripting
  • Experience with containerization technologies (Docker, PodMan, containerd)
  • Background deploying services under Kubernetes or Docker Compose orchestration
  • Recent hands-on software development experience with Python and/or Golang
  • Familiarity with RAG pipelines, LLMs, and embedding models
  • Experience implementing CI/CD pipelines and tools such as GitLab CI
  • Experience with monitoring and metrics tools (Prometheus, Grafana)

Responsibilities

  • Design, implement, and optimize scalable software solutions in HPC Linux environments.
  • Develop and deploy containerized services using Docker, PodMan, Kubernetes, and Docker Compose.
  • Implement CI/CD pipelines, version control, and monitoring solutions to ensure software reliability.
  • Integrate and optimize RAG pipelines, LLMs, and embedding models for mission use cases.
  • Collaborate with cross-functional teams to ensure robust and secure data flows.
  • Automate and improve processes across the development and deployment lifecycle.
  • Implement and optimize AI systems — including LLMs, orchestration frameworks, knowledge retrieval, and security-aware machine learning models.

Other

  • Bachelor’s degree in Computer Science or related field + 7 years of relevant experience
  • TS/SCI with Poly clearance
  • 100% Employer-Paid Health, Dental, and Vision Insurance
  • 10% 401(k) Contribution with Zero Vesting
  • 31 Days PTO + Federal Holidays