Network Engineer - Cracow - Poland

Our client is looking for a skilled Network & OT Infrastructure Engineer to work on large-scale enterprise and OT networks, contributing to modernisation and automation initiatives in critical industrial environments.

• Strong experience with Cisco Catalyst switching technologies including IOS-XE, VLANs, STP/RSTP, QoS, and port security.
• Hands-on knowledge of Cisco SD-WAN / Catalyst SD-WAN including policy templates, VPN segmentation, and WAN edge configuration.
• Experience designing, deploying, and supporting Cisco SD-Access (SDA) environments.
• Familiarity with Cisco Catalyst Center for device management, assurance, and network automation workflows.
• Solid understanding of Operational Technology (OT) network architecture including the Purdue Model and IT/OT DMZ principles.
• Exposure to industrial protocols such as Modbus, DNP3, EtherNet/IP, PROFINET, IEC 61850, or OPC-UA.
• Experience with Infrastructure as Code and automation tooling, particularly Terraform.
• Exposure to CI/CD pipelines and tools such as GitLab CI, GitHub Actions, Jenkins, or similar.
• Scripting skills in Python and/or Bash.
• Strong troubleshooting skills across Layers 2–7.
• Experience with Cisco ISE including AAA, profiling, and TrustSec capabilities.
• Knowledge of network automation and configuration management tools such as Ansible or Terraform.
• Familiarity with Cisco NSO and RESTCONF/NETCONF APIs.
• Understanding of industrial cybersecurity frameworks including IEC 62443, NIST SP 800-82, or NIS2.
• Experience working with SCADA/ICS platforms such as Ignition, Wonderware, Siemens TIA Portal, or Rockwell FactoryTalk.
• Familiarity with network monitoring and observability platforms.

Nice to Have:

• Previous experience in industrial, manufacturing, utilities, or critical infrastructure environments.
• Passion for automation, continuous improvement, and modern network operations.
• Strong communication and collaboration skills to work across IT and OT teams.

• Work with Cisco Catalyst switching technologies including IOS-XE, VLANs, STP/RSTP, QoS, and port security.
• Manage Cisco SD-WAN / Catalyst SD-WAN including policy templates, VPN segmentation, and WAN edge configuration.
• Design, deploy, and support Cisco SD-Access (SDA) environments.
• Use Cisco Catalyst Center for device management, assurance, and network automation workflows.
• Apply knowledge of Operational Technology (OT) network architecture, including the Purdue Model and IT/OT DMZ principles.
• Handle industrial protocols such as Modbus, DNP3, EtherNet/IP, PROFINET, IEC 61850, or OPC-UA.
• Utilize Infrastructure as Code and automation tooling, particularly Terraform.
• Work with CI/CD pipelines and tools such as GitLab CI, GitHub Actions, Jenkins, or similar.
• Use scripting skills in Python and/or Bash for automation and operational efficiency.
• Troubleshoot across Layers 2–7.
• Manage Cisco ISE including AAA, profiling, and TrustSec capabilities.
• Use network automation and configuration management tools such as Ansible or Terraform.
• Work with Cisco NSO and RESTCONF/NETCONF APIs.
• Understand industrial cybersecurity frameworks including IEC 62443, NIST SP 800-82, or NIS2.
• Work with SCADA/ICS platforms such as Ignition, Wonderware, Siemens TIA Portal, or Rockwell FactoryTalk.
• Use network monitoring and observability platforms.

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