Level 3 (L3) Network Technical Support Engineer
New
C
CallTekNetwork Infrastructure
Philippines. Central Visayas, PhilippinesFull-TimeSenior
Salary not disclosed
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Job Details
- Experience
- 5+ years of experience in network support or network engineering, with at least 2 years in an L3 or senior role.
Requirements
- 5+ years of experience in network support or network engineering.
- At least 2 years in an L3 or senior role.
- Strong hands-on expertise in VLANs, ACLs, routing, switching, NAT, and firewall policies.
- Experience in wireless network design and troubleshooting.
- Proven experience working with MikroTik, Aruba, Ruckus, Cambium, and Fortinet equipment.
- Experience supporting hospitality or high-density guest network environments.
- Familiarity with walled garden configurations and captive portals.
- Strong troubleshooting, analytical, and problem-solving skills.
- Excellent communication skills for customer and cross-team collaboration.
- Preferred: Certifications such as CCNP, Fortinet NSE, Aruba ACMP/ACSP, Ruckus, Meraki, or MikroTik MTCNA/MTCRE.
- Preferred: Knowledge of network monitoring tools (e.g., PRTG, SolarWinds).
- Preferred: Knowledge of scripting/automation (e.g., Python, Bash) and ITIL processes.
Responsibilities
- Diagnose and resolve complex issues related to network infrastructure, including LAN/WAN, Wi-Fi, and security systems.
- Handle escalations involving VLANs, routing, switching, firewall rules, and network segmentation.
- Configure and maintain network devices, including switches, wireless access points, and firewalls.
- Perform advanced configurations such as VLAN setup, trunking, ACLs, QoS, and firewall policies.
- Provide expert-level support for multi-vendor environments including MikroTik, Aruba, Ruckus, Cambium, and Fortinet.
- Perform deep technical analysis to identify root causes of recurring network issues.
- Support hospitality network environments, including walled garden configurations and guest onboarding portals.
- Monitor network health and proactively identify risks to prevent service outages.
- Act as the final escalation point for unresolved L1/L2 issues and coordinate with vendors.
- Maintain technical documentation and mentor L1/L2 engineers.
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