{"id":836219,"url":"https://alion.io/job/calltekinc-level-3-l3-network-technical-support-engineer","title":"Level 3 (L3) Network Technical Support Engineer","company":{"id":688934,"name":"CallTek","domain":"calltekinc.com","url":"https://alion.io/company/calltekinc","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workable","truth_index":{"grade":"B","score":79,"open_postings":5,"ghost_share":0.2,"stale_share":0,"repost_share":0.6,"time_to_fill_p50_days":50,"computed_at":"2026-11-05T05:54:30Z"}},"role":"Support","role_family":"Support","seniority":null,"employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Cebu City, Philippines","Davao City, Philippines","General Santos, Philippines"],"countries":["PH"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":8500,"max_usd":20000,"period":"year","method":"role_country_seniority_unknown","sample_n":14},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"VLAN","optional":false},{"name":"Wi-Fi","optional":false},{"name":"Incident Management","optional":true},{"name":"ITIL","optional":true},{"name":"Python","optional":true}],"status":"live","first_seen_at":"2026-09-03T00:00:00Z","employer_posted_date":"2026-09-03","last_verified_at":"2026-11-05T14:51:04Z","board_verified":true,"closed_at":null,"days_open":63,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":63},"description":"About the Role\nWe are seeking a highly skilled Level 3 (L3) Technical Support Engineer with deep expertise in network infrastructure and hospitality environments. This role serves as the highest level of escalation for complex network-related issues, including advanced troubleshooting, configuration, and optimization of wired and wireless systems.\nThe ideal candidate is a hands-on technical expert with strong experience in switching, routing, firewalls, and wireless networks, capable of working across multi-vendor environments and ensuring reliable, high-performance connectivity.\nKey Responsibilities\nAdvanced Network Troubleshooting\nDiagnose and resolve complex issues related to network infrastructure, including LAN/WAN, Wi-Fi, and security systems.\nHandle escalations involving VLANs, routing, switching, firewall rules, and network segmentation.\nTroubleshoot performance issues, packet loss, latency, and connectivity disruptions.\nConfiguration & Implementation\nConfigure and maintain network devices, including switches, wireless access points, and firewalls.\nPerform advanced configurations such as VLAN setup, trunking, ACLs, QoS, and firewall policies.\nSupport headend equipment configuration and optimization.\nMulti-Vendor Network Support\nProvide expert-level support for: \n MikroTik (routing, firewall, scripting)\nAruba Networks\nRuckus Wireless\nCambium Networks\n Fortinet (switches & firewalls)\nEnsure interoperability and optimal performance across diverse platforms.\nRoot Cause Analysis\nPerform deep technical analysis to identify root causes of recurring network issues.\nImplement long-term fixes and improvements to enhance network stability and performance.\nHospitality Network Expertise\nSupport and optimize hospitality network environments, including guest and staff networks.\nManage walled garden configurations, ensuring proper access for guest onboarding portals.\nImplement and maintain ACLs (Access Control Lists) for secure network segmentation.\nMonitoring & Proactive Support\nMonitor network health, performance, and security.\nProactively identify risks and prevent potential outages or service degradation.\nEscalation & Vendor Coordination\nAct as the final escalation point for unresolved L1/L2 issues.\nCoordinate with vendors and third-party providers for advanced troubleshooting and resolution.\nDocumentation & Knowledge Sharing\nMaintain detailed technical documentation, network diagrams, and troubleshooting guides.\nMentor L1 and L2 engineers and enhance team knowledge around network best practices.\nProcess Improvement\nEvaluate support workflows and recommend improvements.\nDrive automation and efficiency initiatives in network operations.\nRequirements\nQualifications & Requirements\n5+ years of experience in network support or network engineering, with at least 2 years in an L3 or senior role.\nStrong hands-on expertise in: \nVLANs, ACLs, routing, switching, NAT, and firewall policies\nWireless network design and troubleshooting\nProven experience working with: \nMikroTik\nAruba, Ruckus, Cambium\nFortinet switches and firewalls\nExperience supporting hospitality or high-density guest network environments.\nFamiliarity with walled garden configurations and captive portals.\nStrong troubleshooting, analytical, and problem-solving skills.\nExcellent communication skills for customer and cross-team collaboration.\nPreferred Qualifications\nCertifications such as CCNP, Fortinet NSE, Aruba ACMP/ACSP, Ruckus, Meraki or MikroTik MTCNA/MTCRE.\nKnowledge of network monitoring tools (e.g., PRTG, SolarWinds, or similar)\nKnowledge of scripting/automation (e.g., Python, Bash)\nUnderstanding of ITIL processes and incident management","description_format":"text","description_chars":3661,"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":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Help Desk & Service Desk","Call Center 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