{"id":2080336,"url":"https://alion.io/job/deutsche-telekom-it-solutions-hungary-network-security-engineer-fortinet","title":"Network & Security Engineer (Fortinet)","company":{"id":456026,"name":"Deutsche Telekom IT Solutions Hungary","domain":"deutschetelekomitsolutions.hu","url":"https://alion.io/company/deutsche-telekom-it-solutions-hu","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":{"grade":"B","score":75,"open_postings":26,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":32,"computed_at":"2026-10-29T05:49:05Z"}},"role":"Security","role_family":"Security","seniority":null,"employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Budapest, Hungary"],"countries":["HU"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Ansible","optional":false},{"name":"AWX","optional":false},{"name":"Configuration Management","optional":false},{"name":"FortiGate","optional":false},{"name":"Linux","optional":false},{"name":"VPN","optional":false},{"name":"Windows","optional":false},{"name":"BGP","optional":true},{"name":"DHCP","optional":true},{"name":"DNS","optional":true},{"name":"Grafana","optional":true},{"name":"Prometheus","optional":true},{"name":"TCP/IP","optional":true}],"status":"live","first_seen_at":"2026-10-08T09:46:06Z","employer_posted_date":"2026-10-08","last_verified_at":"2026-10-29T09:50:27Z","board_verified":true,"closed_at":null,"days_open":21,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":21},"description":"As Hungary’s most attractive employer in 2025 (according to Randstad’s representative survey), Deutsche Telekom IT Solutions is a subsidiary of the Deutsche Telekom Group. The company provides a wide portfolio of IT and telecommunications services with more than 5300 employees. We have hundreds of large customers, corporations in Germany and in other European countries. DT-ITS received the Best in Educational Cooperation award from HIPA in 2019, acknowledged as the Most Ethical Multinational Company in 2019. The company continuously develops its four sites in Budapest, Debrecen, Pécs and Szeged and is looking for skilled IT professionals to join its team.\n Department and Project\nT-Systems customer Toll Collect operates the truck tolling system for highways and federal roads in Germany. Toll Collect is currently transforming into a broader IT service provider within the Federal Ministry of Transport and intends to leverage its tolling data and experience for additional services. As part of this transformation, the IT platform has been migrated to a modern multi-cloud environment. The new private and sovereign cloud platform, including its automated operating environment, Infrastructure as Code (IaC) and customer ordering portal, is operated and maintained by T-Systems through several specialized infrastructure and operations squads. The network team is looking for additional engineers to operate and continuously improve the network environment and to support new customer requirements and projects.\nThe team is responsible for the data-center network and network-security infrastructure. Campus/branch LAN and WLAN as well as central Windows/Linux infrastructure services are operated by dedicated teams. Close collaboration with these teams is required for end-to-end troubleshooting and implementation of changes.\nMain tasks\nAs a Network & Security Engineer (Fortinet), you will be part of the team operating and continuously improving the network and network-security infrastructure of a highly available private and sovereign cloud platform across two geographically separated data centers.\nYour responsibilities include:\nOperate and troubleshoot the data-center network and network-security infrastructure based primarily on Fortinet technologies.\nOperate and maintain FortiGate firewalls, FortiSwitch infrastructure, FortiWeb WAF, VPN solutions and FortiClient/ZTNA components.\nImplement and troubleshoot firewall policies, NAT, routing, VLANs, VDOMs and network segmentation.\nOperate highly available network components and technologies such as FGCP, MC-LAG/LACP and STP/RSTP/MSTP.\nAnalyze incidents and performance issues and perform root-cause analysis across network and security components.\nImplement customer requirements such as firewall changes, new network segments, routing changes and connectivity to internal and external systems.\nMonitor availability, performance and security events and continuously improve monitoring and operational processes.\nPerform lifecycle activities including firmware upgrades, configuration management, backup/recovery and capacity management.\nSupport and improve network automation based on Ansible/AWX.\nOperate and support network security services such as VPN, ZTNA and related network connectivity services.\nContribute to the continuous improvement of the network architecture, operational procedures and security controls in accordance with BSI requirements.\n Required skills:\nStrong hands-on experience in operation and troubleshooting of enterprise networks.\nStrong practical experience with FortiGate/FortiOS and FortiSwitch. Experience with additional Fortinet security products such as FortiWeb, FortiClient/ZTNA or Fortinet VPN solutions is highly desirable.\nOperate and troubleshoot FortiWeb WAF services, including virtual servers, server pools, protection policies, certificates, URL/content routing and application-specific security policies.\nOperate and troubleshoot FortiClient/ZTNA and remote-access solutions, including access policies, authentication integration and client connectivity.\nStrong knowledge of TCP/IP, IPv4, VLANs, routing, NAT and firewall technologies.\nExperience with Layer-2/Layer-3 technologies such as LACP/MC-LAG, STP/RSTP/MSTP, BGP and VRRP.\nExperience with VPN technologies, particularly IPSec.\nExperience with high-availability firewall and network architectures.\nExperience working in production environments using incident, change and problem-management processes.\nBasic Linux administration and scripting skills.\nExperience with automation, preferably Ansible/AWX.\nGood understanding of network-security principles.\n.\nNice to have:\nAdvanced FortiWeb/WAF experience\nAdvanced FortiClient/ZTNA experience\nUnderstanding of infrastructure services such as DNS, DHCP and RADIUS and their interaction with network and security components\nPrometheus/Grafana\nIPv6\nCisco SD-WAN\nBSI/IT-Grundschutz experience\nSAFe\n * Please be informed that our remote working possibility is only available within Hungary due to European taxation regulation.","description_format":"text","description_chars":5047,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"English","level":"All levels","optional":false}]},"benefits":[],"hiring_locations":[{"name":"Hungary","iso":"HU","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Consulting & Digital Transformation","IT Outsourcing & 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