{"id":3146035,"url":"https://alion.io/job/telio-network-engineer","title":"Network Engineer","company":{"id":2528172,"name":"Telio","domain":"tel.io","url":"https://alion.io/company/tel-io","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Personio","truth_index":{"grade":"B","score":75,"open_postings":4,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-24T06:02:35Z"}},"role":"Networking","role_family":"Networking","seniority":"middle","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Brussels, Belgium"],"countries":["BE"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Ansible","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"Git","optional":false},{"name":"Kubernetes","optional":false},{"name":"Terraform","optional":false},{"name":"VPN","optional":false},{"name":"ITSM","optional":true},{"name":"Jira","optional":true}],"status":"live","first_seen_at":"2026-10-19T15:17:14Z","employer_posted_date":"2026-10-19","last_verified_at":"2026-10-24T12:26:26Z","board_verified":true,"closed_at":null,"days_open":4,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":4},"description":"Your mission\nOperate, maintain, and support on-premise, virtualized, cloud, and hybrid network environments across Cisco, Fortinet, Extreme, Azure, and AWS\nEnsure high availability, performance, and security of network infrastructure, following defined operational and change management processes\nManage and operate firewall and network security platforms, including firewall rules, NAT policies, segmentation, and cloud-native security controls\nSupport and troubleshoot Kubernetes networking \nOperate and monitor hybrid connectivity solutions such as Site-to-Site VPNs, Client VPNs, ExpressRoute, and Direct Connect\nAct as 2nd-level support for network and connectivity incidents, analyzing escalations and resolving recurring operational issues\nMonitor network environments using centralized tools, analyze logs, metrics, and traffic flows, and proactively identify risks\nExecute network changes and lifecycle activities using Infrastructure as Code and Git-based workflows\nMaintain accurate technical documentation, incident records, and operational procedures\nSupport disaster recovery testing, audits, and compliance activities\nCollaborate with an international IT and platform team, contribute to standardization and automation initiatives, and participate in on-call rotations\nYour profile\n3+ years of experience in Network Engineering or Network Operations\nStrong knowledge of routing, switching, VPN technologies, firewalls, and network security\nExperience with multi-vendor enterprise network environments\nHands-on troubleshooting skills across on-premises and cloud-based infrastructures\nExperience with network automation tools such as Ansible and Terraform\nGood understanding of Azure and/or AWS networking\nRelevant certifications such as CCNA, Fortinet, Extreme Networks, or equivalent\nStrong focus on operational excellence, reliability, and documentation\nExcellent communication skills and experience working in international teams\nFluent English, both written and spoken\nWillingness to travel internationally (approximately 10-20%)\nNice to Have:\nExperience with Kubernetes networking\nKnowledge of Infrastructure as Code and Git-based workflows\nFamiliarity with ITSM processes and tools such as Jira\nExperience with enterprise telephony or VoIP systems\nKey Skills:\nNetwork Automation (Ansible, Terraform)\nRouting & Switching\nFirewalls & Network Security\nVPN Technologies\nEnterprise Network Infrastructure\nTroubleshooting & Operational Support\nAzure / AWS Networking\nMulti-Vendor Environments (Cisco, Fortinet, Extreme, etc.)\nWhy us?\nIn accordance to the Belgian Law we offer our employees:20 days vacation\nVacation pay: You get 92% of one monthly gross as vacation pay\nHoliday pay: You get 1 month salary in December on top\nAdditionally we provide:You receive Pluxee meal vouchers for your working days\nA company phone with contract\nSnacks and drinks in the 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