WIR GEBEN DEINER KARRIERE RAUM We are looking for you as soon as possible (Senior) Network Engineer (m/f/d) Location: Berlin Your tasks: * Configure routing protocols and network devices (e.g., OSPF, BGP, EIGRP) * Manage firewalls, VPNs, IDS/IPS, and access controls * Monitor network performance using tools like DataDog, SolarWinds, and others * Implement efficient routing and switching protocols * Design and secure WLAN environments * Manage virtual networks in VMware, Azure (required), and AWS (advantageous) * Configure networking on Windows, Linux/Unix, and macOS * Diagnose and resolve network issues with tools like WireShark, TCPdump, and Nmap * Tune network performance and remove bottlenecks * Design topologies and implement VLANs and DMZs * Deploy layered security architectures * Ensure alignment with GDPR, ISO, and related standards * Maintain network diagrams and configuration records * Validate configurations through testing and simulation Your Profile: * CCNP/JCNP Certified or equivalent * 3+ years of hands-on experience in a production environment with more than servers and users * Experience with enterprise routers, switches, firewalls, and security tools * Working knowledge of cloud networking (Azure, AWS) * Experience with network architecture and documentation * Familiarity with compliance standards and industry framework * Excellent problem-solving skills, structured thinking, and a high level of independence * Strong written and verbal communication skills in English * Driving license Your perspective: * Interesting, varied and broad range of tasks in one of the largest real estate companies in Germany and Europe * Good working atmosphere, communication culture “on a first-name basis” and a pleasant working atmosphere in an environment with flat hierarchies * Individual training and coaching for professional and personal development in our Academy and with our in-house business coach * Professionally equipped, in-house gym with trainers and courses at the headquarters in Berlin as well as fitness and health offers through the Wellhub platform at all external locations * Comprehensive company health management and company pension scheme * Support on the way to work through a subsidy for the use of public transport and the option of leasing a bicycle through Eurorad * Modern IT equipment such as laptop and cell phone * Mobility and flexibility through the use of pool cars and company cars to carry out tasks * Flexible working hours and mobile working for an even better work-life balance * Exciting virtual range of family-friendly benefits, including vacation programs, leisure and sports activities and consulting services with our partner company Voiio * Opportunity to attend Bundesliga matches of FC Union Berlin, our favorite club * Discounts in selected hotels worldwide with up to 30% on overnight stays and special conditions on food and drinks * Employee discounts for special conditions in the areas of media, fashion, leisure, facilities and much more via a partner company * Drinks and a selection of fruit Have we sparked your interest? Then click on "Apply now" below, and Max Boikov looks forward to receiving your compelling application documents, including your earliest possible start date and salary expectations. Apply now Grand City Property Ltd – Zweigniederlassung Deutschland, Personalabteilung, Wittestraße 30, Haus F, Berlin GCP is a rapidly expanding company in the real estate sector. We are experienced in renting and managing apartments throughout Germany for over a decade. According to our guiding principle "With us in good walls", we improve the living space and the living environment step by step, ensure that good, affordable living space is created and maintained and thus create a high level of tenant satisfaction through contact at eye level. We act reliably, think long-term, find solutions and promote community - both internally and externally. We offer our employees a wide range of development opportunities and attach great importance to mutual respect and appreciative cooperation.