Network Engineer – OT & Energy Systems (f/m/x)

Nasze wymagania: At least 5 years of professional experience in OT or industrial network environments Hands-on experience with FortiGate firewall routers and FortiOS Strong practical knowledge of VPN technologies (IPsec), subnetting, and firewall configuration Very good English skills (C1) enabling daily work in an international environment Availability for long-term cooperation with occasional travel (1–2 trips per year) Fluent Polish required Residing in Poland required O projekcie: We are looking for an experienced OT Network Engineer to join a long-term cooperation project delivered by Sii in partnership with an international organization from the renewable energy sector. The role focuses on designing, securing, and maintaining OT network layers for power generation assets across Europe. You will work with FortiGate and industrial routers, setting up secure perimeters, VPNs, and network segmentation for critical infrastructure. The position is fully remote, with occasional business trips (1–2 per year) to Germany for selected on-site activities. Apply now and let’s build secure energy systems together. Zakres obowiązków: Design and implement OT network architectures behind existing power plant networks using firewall-based perimeter security Configure and manage VPN connections for multiple stakeholders, ensuring secure remote access to assets Perform subnetting, NAT configuration, and firewall rule management for industrial environments Integrate plant devices and OT systems into segmented and secured network structures Maintain, monitor, and update network setups on existing renewable energy assets Oferujemy: Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022 Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more Comfortable workplace – class A offices or remote work Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers Investment in your growth – meetups, webinars, training platform and technology blog – you choose Fantastic atmosphere created by all Sii Power People