JustJoin.IT Praca zdalna Senior New

Senior Platform & DevOps Engineer

31 Concept

⚲ Poland (Remote)

4 000 - 6 000 EUR netto (B2B)

Wymagania

  • Prometheus
  • Grafana
  • Docker
  • Terraform
  • Linux
  • Kubernetes

Opis stanowiska

Job Type: Full-time, Remote Key Responsibilities: • Architect, build and maintain Linux-based server environments with a strong focus on reliability, security and performance • Design and operate network infrastructure (switches, routers, firewalls, VPN, routing, VLANs, HA topologies) • Define and enforce infrastructure standards, system hardening, automation and access policies • Lead troubleshooting and incident response across compute, network and storage layers • Implement automation for provisioning, patching and configuration management • Establish high-availability, backup and DR strategies across environments • Drive documentation quality, operational runbooks and infrastructure governance • Architect and maintain GitLab CI/CD pipelines, build systems and automated release workflows • Lead container strategy using Docker, Docker Compose and best practices for secure images • Deploy, manage and optimize Kubernetes clusters (bare metal or cloud), including networking, storage and scaling models • Use Talos to create standardized, reproducible cluster infrastructure and immutable operating environments • Build, optimize and extend observability stacks with Prometheus, Grafana and exporters • Collaborate with software teams to improve build, test, packaging and deployment cycles • Introduce and enforce DevOps best practices, including IaC, automation, reproducible builds and environment consistency Requirements: • 7+ years in Linux systems engineering, DevOps or platform engineering • Strong expertise with L2/L3 networking, firewalls, routing and troubleshooting • Expert-level experience with GitLab CI, runners, pipelines and artifacts • Deep containerization knowledge and real-world Docker/K8S experience in production • Experience with immutable Linux (preferably Talos; experience w. Nix/Flatcar will help) • Strong understanding of Prometheus, Grafana and operational metrics • Solid scripting abilities in Bash and at least one other language (Python, Go preferred) • Ability to design reliable, secure and scalable architectures with minimal oversight • Strong ownership mindset and ability to lead initiatives independently Alternative Focused Roles: Senior Platform Engineer - Focused This role requires a deep expert in Linux systems and network infrastructure. You will architect and operate production-grade environments, enforce standards and handle high-complexity issues across servers, networks and security. Key Responsibilities: • Architect, build and manage secure Linux server fleets across multiple sites and environments • Operate and optimize network infrastructure: switching, routing, firewalls, VPN, segmentation • Design HA topologies, monitoring, alerting and capacity planning • Lead root-cause analysis and solve complex performance or connectivity issues • Automate infrastructure lifecycle management using scripts and modern tools • Implement platform-wide security controls, access policies and compliance standards • Maintain detailed documentation, infrastructure diagrams and operational procedures • Mentor developers and junior engineers on system, network and operational topics Skill Requirements: • 7+ years in Linux operations or platform engineering • Deep knowledge of networking protocols, topology design and troubleshooting • Experience with HA clustering, storage stacks, virtualization and distributed systems • Strong automation experience • Proven ability to handle production incidents, migrations and architecture decisions Senior DevOps Engineer - Focused We are seeking a senior DevOps expert who can design, implement and optimize a fully automated CI/CD and Kubernetes-based delivery ecosystem. You will empower developers, improve reliability and define DevOps practices company-wide. Key Responsibilities: • Architect robust GitLab CI/CD workflows for multi-stage builds, tests and deployments • Define containerization standards and manage Docker image lifecycle for multiple services • Lead design and operations of Kubernetes clusters, including networking, ingress, storage and scaling • Build standardized and immutable OS environments using Talos • Maintain and extend Prometheus and Grafana based observability systems • Drive automation across the entire SDLC, eliminating manual processes • Improve developer productivity with tooling, templates, pipelines and automation • Contribute to reliability engineering efforts, SLOs, performance monitoring and failure analysis Skill Requirements: • 7+ years in DevOps or infrastructure automation • Deep expertise with GitLab CI, Docker and Kubernetes (production environments) • Experience with immutable infrastructure tools such as Talos • Strong understanding of observability, alerting and infrastructure metrics • IaC experience (Terraform, Ansible, Helm, Kustomize etc.) is a strong plus • Ability to design scalable, secure and automated delivery systems from scratch • Strong communication skills and ability to mentor developers on DevOps practices