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Principal Software Engineer

Leidos

$148,850 - $269,075
Sep 12, 2025
Annapolis Junction, MD, USA
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Leidos is seeking a Principal Software Engineer to lead the development and evolution of a Kubernetes-native platform used to orchestrate and deploy workloads within its own cluster, to support National Security

Requirements

  • Proficiency in Go (Golang), TypeScript, Python, HTML, CSS.
  • Strong experience with Kubernetes (including Helm, ArgoCD) and container orchestration (RKE2).
  • Familiarity with Kafka and event-driven architecture.
  • Expertise in infrastructure provisioning, Ansible CM, and cloud-native ecosystems (e.g., Rancher, CaaS).
  • Familiarity with Atlassian tools (Jira, Bamboo, Fisheye) and Agile/CI workflows.
  • Experience with Linux/UNIX administration and SIGINT dataflows.
  • Hands-on experience with Kafka, NiFi, MetalLB, MinIO in production.

Responsibilities

  • Own and advance a Kubernetes-native workload orchestration application.
  • Develop and maintain containerized microservices with modern web-based UI/UX.
  • Implement cloud-native components leveraging Go, TypeScript, and Python.
  • Collaborate with engineering teams to ensure operational excellence and system integration.
  • Improve platform observability and event-driven system performance.
  • Maintain robust documentation and enforce internal development standards.
  • Support infrastructure provisioning and automation via Ansible and IaC tools.

Other

  • Bachelors Degree in a technical field and 20 or more years experience
  • Clearance Required: Must have an active TS/SCI with Polygraph.
  • 20+ years of experience in software development (focus on backend/cloud-native applications)
  • Exceptional debugging, problem-solving, and communication skills.
  • Prior work with AWS technologies (EKS, S3, Lambda, RDS)