Network Engineer (Data Center / Enterprise Networks)

Network Engineer (Data Center / Enterprise Networks) Warsaw (hybrid model) Employment type: B2B Rate: up to 130 PLN/h International team About the role You’ll join a global team responsible for building and maintaining large-scale network infrastructure in a data center environment. This role combines project-based work (deployments, migrations, upgrades) with operational support (L3 troubleshooting, maintenance). We’re looking for someone who enjoys working hands-on with production networks and wants to grow in a modern, multi-vendor environment. Responsibilities • Deploy and configure network equipment in data center environments • Participate in network expansion and upgrade projects (edge and backbone) • Integrate new platforms into existing production networks • Collaborate with project managers, vendors, and technical teams • Prepare and implement network configurations (including scripting where applicable) • Perform pre-production testing and validation • Support complex network incidents (L3 level) • Take part in planned maintenance activities (including off-hours work) • Create and maintain technical documentation Requirements • Experience as a Network Engineer in enterprise or data center environments • Hands-on work with production networks and implementation projects • Strong knowledge of:• eBGP • OSPF • VLANs • LACP • Firewalls • Experience with vendors: • Cisco • Juniper • Palo Alto • Comfortable working with CLI and troubleshooting network issues Nice to have • Basic network automation skills (e.g. Python, Ansible) • Experience with hardware deployments in data centers • Familiarity with change management processes • Certifications (e.g. CCNA, JNCIA) What we offer • Work on large-scale, production network environments • Exposure to multi-vendor technologies • Opportunities to grow in network engineering, automation, or architecture • Collaboration with international teams • Stable, long-term projects Who is this role for? Someone who: • already has hands-on experience with networking (beyond theory) • wants to move deeper into engineering rather than pure support • enjoys working close to infrastructure and real environments