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Confirmed on the employer's own hiring board on Nov 9, 2026. First seen by Alion on Apr 30, 2026.

Overview
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T-Mobile Polska is the Polish mobile operator offering mobile and broadband services, smartphones and subscription plans for consumers and businesses. Its Warsaw office hires IT, data governance and information security specialists for a large customer-facing organisation. The company is headquartered in Warsaw, Poland.

We are seeking a highly experienced Senior DevOps Engineer with a strong operational backbone and advanced cloud-native engineering capabilities. This role combines infrastructure operations, automation, platform engineering, and infrastructure-led application modernization.

The candidate will work independently on technical product backlogs, collaborate closely with Account Architects and Project Architects, and be assigned to various customer projects based on evolving business requirements.

Responsibilities

  • Independently manage and execute items from a technical product backlog
  • Design and implement Azure solutions aligned with the Microsoft Well-Architected Framework
  • Collaborate closely with Account Architects and Project Architects to translate designs into production-ready platforms
  • Operate and optimize enterprise-grade Windows Server and VMware environments
  • Lead Infrastructure as Code initiatives with strong focus on Terraform Cloud
    • Modular design and reusable components
    • Workspace and remote state management
    • Policy and governance controls
  • Design, deploy, and operate Kubernetes clusters (AKS preferred)
  • Drive containerization using Docker and Kubernetes
  • Enable infrastructure-level application modernization, including:
    • VM-to-container migration
    • Re-platforming and hybrid cloud enablement
    • Supporting microservices-ready environments
  • Build and maintain CI/CD pipelines for infrastructure and platform deployments
  • Strengthen proactive monitoring, reliability, and operational maturity
  • Contribute to project-based assignments depending on customer needs
  • Collaborate effectively within global, remote, and cross-functional teams

Requirements

  • 6+ years of operational experience in enterprise IT environments
  • Strong hands-on expertise in:
    • Windows Server administration
    • VMware (vSphere, ESXi, vCenter)
    • Microsoft Azure (IaaS, networking, identity, governance)
  • Proven experience with Terraform Cloud
    • Designing reusable modules
    • Managing remote state
    • Implementing policy enforcement
  • Strong experience with:
    • Kubernetes (AKS preferred)
    • Docker and containerization
    • Helm or similar deployment tooling
  • Demonstrated experience in application modernization at infrastructure level
  • Strong understanding of Microsoft Azure Well-Architected Framework principles
  • Experience working in agile environments and managing backlog items independently
  • CI/CD pipeline experience (Azure DevOps, GitHub Actions, or similar)
  • Strong scripting skills (PowerShell, Bash)
  • Experience working in global / distributed teams
  • Fluent English communication skills

Benefits

We are seeking a highly experienced Senior DevOps Engineer with a strong operational backbone and advanced cloud-native engineering capabilities. This role combines infrastructure operations, automation, platform engineering, and infrastructure-led application modernization.

The candidate will work independently on technical product backlogs, collaborate closely with Account Architects and Project Architects, and be assigned to various customer projects based on evolving business requirements.

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