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September 17, 2026
Junior Network & OT Segmentation Engineer
Junior • On-site
Świdnik, Poland
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Quick Facts
Role: Junior Network & OT Segmentation Engineer
Description
You will administer and maintain the LAN/WLAN network infrastructure (including DNS, DHCP, and IPAM), monitor network security and availability, and design and deploy IT/OT network segmentation (VLANs, security zones) and microsegmentation. You’ll standardize network device configurations, manage firmware, handle configuration backups, and support the lifecycle of network devices. You will also help modernize and expand the network, integrate new OT environments into existing infrastructure, and manage external provider service access to the OT environment.
Responsibilities
Administer and maintain LAN/WLAN, DNS, DHCP, and IPAM
Monitor the network and ensure security and availability
Design and implement IT/OT segmentation, including VLANs and security zones
Implement microsegmentation solutions
Standardize configuration of network devices and manage firmware
Perform and manage backup of device configurations
Manage the lifecycle of network devices
Manage vendor service access and control external connections to the OT environment
Participate in network modernization and expansion for new production projects
Integrate new OT environments with the existing infrastructure
Requirements
Higher education (preferably IT-related)
Experience in network administration and maintenance
Knowledge of Cisco and/or Aruba networking infrastructure
Practical knowledge of routing, switching, VLAN, and VPN
Ability to design, maintain, and troubleshoot corporate networks
Basic understanding of OT industrial network architecture and specifics
Ability to work in projects and collaborate across different organizational areas
Preferred: Knowledge of IEC 62443 and secure communication principles between IT and OT networks
Preferred: Experience with environments using CNC, MES, or SCADA
Preferred: Industry certifications such as CCNP, Aruba Certified Professional, or equivalent
Benefits
Tailored medical and insurance package
Co-financing for vacation and holidays
Co-financing for trainings and courses, including foreign language learning
Access to a Multisport card
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