Systems Engineer – Linux & Cloud Automation

Lufthansa Systems Poland is a provider of IT solutions and services for the aeronautical, logistic, and financial industries. As part of the Lufthansa Group, it implements technological solutions and dedicated services. The role supports global cloud migration projects within the Lufthansa Group, managing cloud environments primarily on Microsoft Azure, Linux systems, and Kubernetes orchestration.

• 5+ years of hands-on experience with cloud technologies and/or Linux-based systems.
• Experience with system hardening (SELinux, CIS benchmarks) and storage management (LVM, XFS, ext4).
• Proficiency in scripting using Python, Go, or Shell.
• Practical experience with Terraform (modular design, state management), Ansible, or Puppet.
• Solid understanding of networking protocols (TCP/IP, UDP, HTTP/S, DNS, TLS, gRPC).
• Familiarity with diagnostic tools such as tcpdump, Wireshark, iperf, nmap.
• Experience with load balancers and proxies (HAProxy, NGINX, Envoy).
• Skills in firewall and certificate management (iptables, nftables).
• Hands-on expertise in Kubernetes operations, traffic management, mTLS, RBAC, and cloud-native security.
• Experience with Azure Resource Manager, Managed Identities, and Key Vault.
• Excellent English communication skills.
• Creativity, accountability, teamwork skills, and willingness to continuously learn.
• Willingness to come to the office in Gdańsk two days a week or relocate to Trójmiasto.

Nice to have:

• Experience with CI/CD tools (Jenkins, GitLab, Azure DevOps, ArgoCD).
• Familiarity with Google Cloud Operations Suite.
• Incident response and root cause analysis skills.
• Knowledge of performance benchmarking tools (sysbench, fio).
• Experience in disaster recovery, backup strategies, and security compliance.
• Collaboration with development teams on performance and stability topics.

• Design and implement automation using Terraform, Ansible, Puppet.
• Develop scripts in Python, Go, Shell for automation and API integration.
• Administer Linux systems (Ubuntu, CentOS, RHEL), including performance tuning, hardening (CIS benchmarks), and SELinux policy management.
• Configure and optimize NGINX/Apache servers, SSL/TLS, and load balancers (HAProxy, Envoy).
• Manage networking and security: TCP/IP, HTTP/S, DNS protocols; tools like tcpdump, Wireshark; firewall and certificate management.
• Operate Kubernetes clusters, Helm charts, GitOps workflows, Service Mesh (Istio, Linkerd).
• Manage resources in Microsoft Azure (ARM templates, Terraform), monitoring with Azure Monitor, Prometheus/Grafana.
• Collaborate with application teams to ensure workload stability and performance.

Willingness to come to the office in Gdańsk two days a week or relocate to Trójmiasto.