UST
Network Security Engineer
USTPoland14 hours ago
Full-timeEngineering

Role Overview:

We're looking for an experienced Network Security Expert o support enterprise-level security operations. The role focuses on firewall and load balancer configuration, incident support, automation, and knowledge transfer to 24/7 operations teams within a complex, multi-technology environment.


Key Responsibilities:

  • Installation, configuration, and operation of next-generation firewalls (Palo Alto Networks, Check Point)
  • Establishment and maintenance of site-to-site VPN connections with external partners
  • In-depth analysis and resolution of firewall-related issues
  • Configuration and optimization of load balancers (F5 – LTM, GTM, AFM)
  • Analysis and troubleshooting of load balancer incidents and performance issues
  • Support during security incidents, including root cause analysis and mitigation
  • Handling cross-technology issues involving network, security, and infrastructure components
  • Handover of completed configurations and documentation to 24/7 operations teams
  • Contribution to the continuous improvement of internal processes and tools
  • Design and implementation of automation solutions and scripts for security-related processes


Required Skills & Experience:

  • Proven experience in network security engineering within enterprise environments
  • Strong hands-on expertise with:
  • Palo Alto Networks firewalls
  • Check Point firewalls
  • F5 load balancers (LTM, GTM, AFM)
  • Solid knowledge of:
  • VPN technologies (site-to-site)
  • Network protocols and architectures
  • Security incident handling and troubleshooting
  • Experience working in complex, heterogeneous IT landscapes
  • Ability to document configurations and perform structured handovers to operations teams


Nice to Have:

  • Experience with automation and scripting (e.g., Python, Bash, Ansible, or similar)
  • Familiarity with ITIL-based operations or enterprise service environments
  • Experience in financial services or regulated environments
  • Knowledge of security process optimization and tool development

Key Skills

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