IT Network Engineer - Corporate Connectivity

CallTek; Cebu City; On-site; PHP 450,000 - 750,000; Full time

Job summary

CallTek in Cebu City is seeking a Network Engineer to join our Corporate Connectivity team. You will design, deploy, and support LAN, WAN, WLAN, and SD-WAN environments while collaborating with systems, cloud, and security teams to deliver reliable, secure, and scalable networks.

The role involves hands-on work with Windows and Linux environments, IP addressing, VPNs, and network automation using PowerShell or Python. A hybrid IT setup across on-prem and cloud platforms is expected.

Qualifications

• Must-have strong networking fundamentals and hybrid IT experience.
• Experience designing and supporting LAN, WAN, WLAN, and SD-WAN environments.
• Hands-on experience with Windows and Linux servers and cloud connectivity.

Responsibilities

• Design, deploy, and support LAN, WAN, WLAN, and SD-WAN environments.
• Configure and troubleshoot routing, switching, VLANs, and segmentation.
• Monitor network health, availability, and capacity; troubleshoot issues across Windows and Linux.
• Collaborate with systems, cloud, development, and security teams.
• Implement and support cloud networking in Azure, AWS, or GCP.
• Support secure onboarding and identity-aware networking.

Skills

Networking

Wireless design

Cloud connectivity

Security

Windows

Linux

SD-WAN

VPN

PowerShell

Python

Tools

Azure

AWS

GCP

Active Directory

Job description

Job Description:

We are seeking a Network Engineer for Corporate Connectivity team with a strong foundation in networking, wireless design, cloud connectivity, and security, combined with hands-on experience supporting Windows and Linux operating environments. This role supports modern, hybrid IT ecosystems and works closely with systems, cloud, development and security teams to deliver reliable, secure, and scalable connectivity.

The ideal candidate understands that networking today intersects with operating systems, identity, automation, and user experience-not just switches and routers.

• Design, deploy, and support LAN, WAN, WLAN, and SD-WAN environments.
• Configure and troubleshoot routing, switching, VLANs, and segmentation.
• Manage IP addressing, DNS, DHCP, and network performance.
• Monitor network health, availability, and capacity.
• Design and maintain enterprise wireless networks
• Conduct:
  • Predictive, passive, and active wireless site surveys &
  • Capacity planning and RF optimization.
• Configure and support:
  • Wireless controllers and access points.
  • WPA2/WPA3, 802.1X, and guest wireless networks
• Troubleshoot roaming, interference, and coverage issues.
• Support networking services across Windows and Linux environments.
• Collaborate with systems teams on:
  • Active Directory / Entra ID integration
  • Linux-based services and appliances
• Troubleshoot network-related issues on:
  • Windows servers and endpoints
  • Linux servers and cloud workloads
• Support identity-aware networking, authentication, and access control.
• Understand how OS-level services interact with network infrastructure.
• Design and support cloud networking in Azure, AWS, or GCP.
• Implement and manage:
  • Site-to-site VPNs
  • Client VPNs
  • ExpressRoute / Direct Connect
• Support hybrid connectivity between on-prem, cloud, Windows, and Linux systems.
• Partner with cloud and systems engineers on architecture and resiliency.
• Implement Zero-Trust networking principles.
• Configure and support:
  • Next-generation firewalls
  • VPN gateways
  • Network Access Control (NAC)
• Support secure onboarding and offboarding of users and devices.
• Participate in vulnerability remediation and incident response.
• Support connectivity for remote and hybrid users
• Optimize network performance for:
  • SaaS platforms (Microsoft 365, Teams, Zoom, etc.)
  • Cloud-hosted applications.
• Troubleshoot issues across ISPs, VPNs, wireless, and endpoints.
• Automate network and system interactions using:
  • PowerShell (Windows)
  • Python or Bash (Linux)
  • API and Webhook
• Integrate networking with:
  • Monitoring platforms
  • Lifecycle and provisioning tools
• Maintain accurate network and systems documentation

Nice-to-have Skills

• SD-WAN platforms (Versa, Netskope, Fortigate)
• Firewalls (Fortigate, PFsense, rXg, SonicWall, Watchguard, Linux Iptables, Paloalto)
• Wireless survey tools (Ekahau, AirMagnet)
• Network monitoring tools (SolarWinds, PRTG, Datadog, Zabbix)
• Infrastructure automation.
• Experience in MSP or large enterprise environments

Certifications (Preferred)

• CCNA / CCNP
• CWNA / CWDP (Wireless)
• Azure / AWS certifications
• Security+ or equivalent
• Microsoft or Linux certifications (nice-to-have)