Staff Software Engineer - Kubernetes Operations

Marqeta Marqeta · Fintech · Job Requisition - National ONLY · Infrastructure

Staff Software Engineer focused on Kubernetes Operations to scale Marqeta's platform, design highly available infrastructure, lead architecture decisions for container orchestration, mentor engineers, develop automation tools, and improve CI/CD pipelines. The role involves collaborating with teams to optimize performance, drive reliability initiatives, and participate in on-call rotations.

What you'd actually do

  1. Design, build, and maintain highly available Kubernetes infrastructure at scale
  2. Lead architecture decisions for container orchestration and cloud-native services
  3. Mentor engineers on Kubernetes best practices, container security, and cloud infrastructure
  4. Develop automation tools and improve CI/CD pipelines for containerized applications
  5. Collaborate with platform and application teams to optimize workload performance

Skills

Required

  • 8+ years of software engineering experience
  • 3+ years of hands-on production experience with Kubernetes
  • Strong understanding of container technologies (Docker, containerd)
  • Experience with infrastructure as code (Terraform, Helm, or similar)
  • Proficiency in at least one programming language (Go, Python, Java)
  • Deep knowledge of networking, security, and distributed systems
  • Experience with cloud platforms (AWS, GCP, or Azure)

Nice to have

  • Certified Kubernetes Administrator (CKA) or Certified Kubernetes Security Specialist (CKS)
  • Experience with service mesh technologies (Istio, Linkerd)
  • Knowledge of observability tools (Prometheus, Grafana, Datadog)
  • Experience in fintech or payments industry
  • Contributions to open-source Kubernetes ecosystem