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September 11, 2026

Senior DevOps Engineer

Senior • On-site

Kraków, MA, Poland

Quick Facts

  • Senior DevOps Engineer for an infrastructure team
  • Immediate challenge: high-volume, multi-account AWS
  • Key focus: migrating ECS Fargate to Kubernetes (EKS) without downtime and driving operational excellence

Description

We are seeking a Senior DevOps Engineer to join our infrastructure team. The role partners with engineering leadership to drive advanced infrastructure initiatives end-to-end (from system design through production hardening), setting the technical bar for operational excellence. You will tackle delivery, scaling, and operational problems in a high-volume, multi-account AWS environment.

Responsibilities

  • Drive Cloud & Migration Strategy
    • Architect and execute the migration from ECS Fargate to Kubernetes (EKS) without downtime
    • Maintain and evolve the existing cloud estate
  • Advance Infrastructure as Code
    • Design and implement modern, modular IaC frameworks using Terraform and OpenTofu
    • Enable consistent, multi-environment deployments
  • Architect Enterprise CI/CD
    • Evolve delivery pipelines using GitHub Actions and OIDC federation
    • Reduce developer friction and elevate deployment safety across dozens of services
  • Scale Data-Intensive Infrastructure
    • Oversee performance, capacity, and resilience of the data layer
    • Manage high-volume systems and event-driven messaging pipelines
  • Enforce Reliability & Observability
    • Enforce organization-wide reliability standards using modern telemetry
    • Use OpenTelemetry, Coralogix, and Grafana so on-call operations are driven by signal, not noise
  • Balance Growth & Governance
    • Make high-impact technical tradeoff decisions balancing velocity, least-privilege security, zero-trust access (Tailscale), and FinOps cost efficiency

Requirements

  • 5+ years of hands-on DevOps, Infrastructure, or Cloud Engineering experience with real production ownership in high-throughput, data-intensive environments
  • Advanced knowledge of AWS architectures: compute, networking (VPC, DNS, segmentation), IAM, and scalability patterns
  • Strong production Kubernetes mastery: design, run, and optimize Kubernetes clusters (EKS) at production scale under heavy load
  • Expert-level IaC and automation: Terraform and solid scripting/software engineering skills in Python, Go, or TypeScript; confident Bash
  • Container and pipeline ownership: familiarity with container workloads (ECS/Docker) and CI/CD systems (GitHub Actions) with safe rollout strategies
  • Observability at scale: metrics, logs, traces, SLOs; proven track record of robust alerting/observability stacks
  • Collaborative leadership: pragmatic, clear communicator in a high-velocity, autonomous team environment

Nice to have

  • Direct experience leading an ECS-to-Kubernetes migration in production
  • Deep knowledge of EKS ecosystem tooling (Karpenter, ArgoCD/Flux, KEDA, VPC CNI)
  • Experience operating analytical or wide-column databases at scale (ClickHouse, ScyllaDB)

Benefits

  • The benefit package will be discussed individually during the interview process.

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