Systems Engineer – Linux & Cloud Automation

Lufthansa Systems Poland is a provider of IT solutions and services for the aeronautical, logistic, and financial industries. It is part of the Lufthansa Group and implements technological solutions and dedicated services.

• 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 work hybrid in Gdańsk office 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.