Tech stack:

• Linux (on‑premise, restricted and isolated environments)

• CI/CD: GitLab CI, Jenkins, Azure DevOps

• Containers: Docker

• Kubernetes (basic administration and usage)

• Infrastructure as Code: Terraform, Ansible, Helm

• Monitoring & Logging: Prometheus, Grafana, ELK / EFK stack

• Scripting: Bash, Python

• Security tooling related to access control, secrets management and system hardening

Requirements:

• Professional experience as a DevOps Engineer, System Administrator or similar role

• Very good knowledge of Linux system administration, troubleshooting and hardening

• Hands-on experience designing and maintaining CI/CD pipelines

• Practical experience with container technologies and basic Kubernetes administration

• Knowledge of Infrastructure as Code and configuration management tools

• Experience with monitoring and logging systems

• Ability to automate operational tasks using Bash, Python or similar

• Solid understanding of IT security principles (access control, patching, vulnerability management, secrets)

• Experience working with on‑premise infrastructure or environments with restricted connectivity

• Polish – fluent / native

• English – C1

• Willingness to undergo mandatory personal security clearance (up to NATO Secret / Tajne)

• Readiness to work on‑site in Wrocław, including periods of full on‑site work due to security requirements

Nice to have:

• Experience in projects for public administration, defence or security sectors

• Knowledge of NATO standards (STANAG) or other defence-related regulations

• Experience in regulated, audited or certified environments

• Knowledge of PKI, cryptography, identity and access management

• Experience cooperating with security teams and participating in audits or compliance reviews

• Experienced in using AI tools in day-to-day workflow:

Project description:

Main responsibilities:

• Design, develop and maintain CI/CD pipelines for defence and security projects

• Administer and support Linux-based systems in restricted and on‑premise environments

• Ensure availability, stability and security of development, test and production systems

• Automate infrastructure and operational processes to improve reliability and repeatability

• Support development teams with build, deployment and runtime issues

• Participate in incident analysis, troubleshooting and root cause analysis

• Prepare systems and documentation for security audits and compliance reviews

• Cooperate closely with infrastructure, security and project teams in classified environments