Expert IT Network Engineer

We are seeking a highly skilled and experienced Expert IT Network Engineer to take technical ownership of our corporate network infrastructure. In this role, you will define network architecture and standards, drive automation and cloud networking initiatives, and provide technical leadership for complex infrastructure projects across Global IT. Daily Responsibilities Own and evolve corporate network architecture across LAN, WLAN, WAN, VPN, and cloud environments. Define network engineering standards, reference architectures, and technical roadmap. Design scalable, resilient, and secure network solutions across on-premises and cloud environments. Drive network automation and Infrastructure-as-Code practices using Ansible, Python, Terraform, or similar technologies. Lead technical evaluations, architecture reviews, and complex cross-team infrastructure initiatives. Act as a technical escalation point for complex incidents, driving root cause analysis and systemic improvements. Mentor engineers, share knowledge, and maintain architecture documentation and engineering standards. Extensive experience in Network Engineering, including designing and operating complex enterprise network environments. Deep knowledge of routing, switching, WLAN, VPN, firewalls, SDWAN, segmentation, and 802.1X/NAC. Strong knowledge of network services, including DNS, DHCP, and IPAM. Strong experience with network automation and Infrastructure as Code using Ansible, Python, Terraform, or similar technologies. Strong understanding of cloud and hybrid networking architectures in AWS, Azure, and/or GCP. Strong understanding of network security, resiliency, high availability, monitoring, and capacity planning. Experience with network monitoring and observability solutions such as Zabbix, Nagios, Prometheus, or equivalent. Ability to translate business requirements into scalable, secure, and maintainable technical solutions. Experience leading complex technical initiatives and making architectural decisions across multiple teams. Ability to mentor experienced engineers and influence technical direction without formal authority. Strong troubleshooting, analytical, communication, and organizational skills. Proficiency in English and Polish, both spoken and written. Nice to have Experience with Dell, Ruckus, Check Point, VeloCloud networking technologies. Experience with multi-cloud networking and Zero Trust concepts. Relevant networking, cloud, or security certifications. Working mode In-office in a hybrid or full-time capacity in Warsaw, Poland. Relocation to Poland is required for those residing abroad. Health & Well-Being Private medical healthcare — a selection of medical plans with dental care and unlimited rehabilitation to choose from, which are also accessible for your partner and relatives. Life insurance — comprehensive pension and insurance plans to protect you and your loved ones. Annual screenings for cancer prevention covered by the company. Psychological and psychiatrist care — free mental health support and various well-being initiatives. Sports card — gain access to a wide number of sporting and fitness facilities across the city. Menstrual leave — employees who menstruate can take one extra day off when experiencing period pain. RED Parents Network — support for working parents, including childcare benefits, and family-friendly events. RED Summer Camp for Kids — a fun summer program for children aged 5–12, majoritively paid by the company. Perks & Professional Growth A welcome pack filled with goodies — to help you feel right at home once you join the team. Trainings, lectures, and courses — workshops and trainings for each employee, knowledge-sharing initiatives, online tutorials, and e-learning classes are all available. There’s always something to learn! REDs have access to the cafeteria platform through which they can receive subscription benefits, additional medical packages or vouchers and codes to shops, cinemas, and public transport reimbursement. Gifts for newborn rebels and regular chances to nab some cool swag! Social Activities & Life in the Office Dog-friendly office — dog owner? Bring your pooch with you and look after them while working! There’s always a furry friend or two to meet at the studio. Social events — we host regular gatherings at the studio where we can all unwind, play games, and just have some fun together. Healthy selections — ​​canteens. Truly international working environment — a chance to meet and work with a diverse selection of people from all around the world. Sustainability is an ongoing commitment for us, and our campus has electric car charging points, green zones, and much more. Read all about it on our Beyond the Game Blog. A designated space for your bicycle, as well as bicycle repair equipment and showers available whenever you need them. An onsite, well-equipped gym with a climbing wall, daily Gym Assistant support, and yoga and boxing classes. No dress-code — we like to keep it…