Network Administrator

Location: Metro Manila Service Hours: 8x5, with on-call support during weekends and after office hours Job Description The Network Administrator is responsible for maintaining, securing, and supporting the organization's network infrastructure while coordinating with network carriers and third-party vendors to ensure reliable and efficient network operations.

Key Responsibilities

Configure, maintain, troubleshoot, and recover network devices and infrastructure, including routers, switches, firewalls, and VPNs. Monitor network performance, investigate connectivity issues, and coordinate with carriers and vendors to resolve incidents and service disruptions. Implement and maintain network security controls, including AAA, TACACS+, RADIUS, Access Control Lists (ACLs), encrypted passwords, and privileged access management.

Administer network services and protocols, including VLANs, STP, VTP, HSRP, Inter-VLAN Routing, NAT, SNMP, OSPF, EIGRP, and RIP. Perform network device upgrades, patch management, configuration backups, and changes in accordance with established change management procedures. Establish and enforce network configuration standards and baselines, monitor configuration compliance, and address configuration deviations.

Ensure network availability and resilience by testing redundancy, failover mechanisms, and disaster recovery readiness. Maintain network authentication services and enforce secure access controls. Govern cloud and hybrid network configuration standards and ensure alignment with operational and security requirements. Monitor hardware lifecycle management, including End-of-Life (EOL) and End-of-Support (EOS) planning.

Manage vendor relationships, monitor SLA compliance, coordinate escalations, and conduct vendor performance reviews. Oversee vendor onboarding, service transitions, offboarding, and vendor-related changes. Review vendor billing, identify cost optimization opportunities, and mitigate operational risks. Lead coordination among multiple vendors during major incidents and network outages.

Maintain network documentation, operational runbooks, performance reports, and audit-ready configuration records.

Qualifications

and Requirements Bachelor's Degree in Information Technology, Computer Science, Computer Engineering, or a related field. At least 4 years of relevant experience in Network Administration or Network Engineering . Hands-on experience in configuring, managing, and troubleshooting enterprise network infrastructure. Strong knowledge of networking technologies, protocols, and network security controls.

Experience working with network carriers, third-party vendors, and service providers. Familiarity with IT service management, incident management, change management, and SLA monitoring. Strong troubleshooting, analytical, coordination, and communication skills. Willingness to provide on-call support during weekends and after regular office hours.