Staff Software Engineer - Kubernetes Operations

Marqeta is a rapidly growing company focused on scaling their platform to support millions of transactions daily. The Staff Software Engineer - Kubernetes Operations will design and maintain Kubernetes infrastructure, lead architecture decisions, and mentor other engineers on best practices.

Responsibilities:

• Design, build, and maintain highly available Kubernetes infrastructure at scale
• Lead architecture decisions for container orchestration and cloud-native services
• Mentor engineers on Kubernetes best practices, container security, and cloud infrastructure
• Develop automation tools and improve CI/CD pipelines for containerized applications
• Collaborate with platform and application teams to optimize workload performance
• Drive initiatives to improve system reliability, observability, and disaster recovery
• Participate in on-call rotation and incident response
• Contribute to the technical roadmap and infrastructure strategy

Requirements:

• 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)
• Strong communication and collaboration skills
• 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