Network Operations Engineer I

GECO Asia Pte. Ltd; Pasay; On-site; PHP 670,000 - 1,116,000; Full time

Job summary

GECO Asia Pte. Ltd is seeking a Tier 1 Network Operations Engineer to monitor, troubleshoot, and support enterprise WAN/LAN, Wireless, and data center networks. You will work with global teams, resolve incidents, and ensure SLA commitments while maintaining documentation and runbooks.

The role emphasizes hands-on support for Cisco IOS, NX-OS, Palo Alto firewalls, F5 BIG-IP, and SD-WAN environments, with a focus on continuous improvement and knowledge sharing.

Qualifications

• Bachelor's degree in Engineering, Computer Science, Information Technology, or a related field.
• Active CCNA with 3+ years of Network Operations experience.
• Strong understanding of the OSI model and TCP/IP.
• Solid knowledge of IPv4 and theoretical IPv6 concepts.
• Experience with dynamic routing protocols: BGP, ISIS, OSPF, EIGRP.

Responsibilities

• Monitor network events, alerts, and incidents using established procedures.
• Manage incidents and service requests from creation to resolution within SLA.
• Provide support for routers, switches, load balancers, firewalls, and wireless tech.
• Participate in bridge calls and contribute to troubleshooting and escalation.
• Coordinate with vendors and internal teams for timely resolution.
• Perform routine maintenance, changes, and operational tasks.
• Create and maintain KBs, runbooks, SOPs, and network diagrams.

Skills

CCNA

NOC experience

OSI model

TCP/IP

IPv4/IPv6

Routing protocols

Cisco OS

Education

Bachelor's degree in Engineering/CS/IT

Tools

Cisco IOS

IOS-XR

IOS-XE

NX-OS

PAN-OS

F5 BIG-IP

Cisco Nexus

Aruba Wireless

Palo Alto

Job description

Tier 1 Network Operations Engineer

Are you a network professional with a passion for troubleshooting, monitoring, and keeping critical network environments running smoothly? Join our team as a Tier 1 Network Operations Engineer and play a key role in supporting enterprise WAN, LAN, Wireless, Firewall, and Data Center infrastructures while collaborating with global teams in a fast-paced, customer-focused environment.

What You'll Do

• Monitor and respond to network events, alerts, and incidents using established procedures and operational tools

• Manage incidents and service requests from creation through resolution while meeting SLA commitments

• Provide support for routers, switches, load balancers, firewalls, and wireless technologies

• Participate in technical bridge calls and contribute to incident troubleshooting and escalation activities

• Coordinate with vendors and internal teams to drive timely issue resolution

• Perform routine maintenance, scheduled changes, and operational tasks

• Support proactive and reactive monitoring using enterprise monitoring and analytics platforms

• Create and maintain documentation including Knowledge Base articles, runbooks, SOPs, playbooks, and network diagrams

• Execute effective shift handovers and maintain accurate operational records

• Contribute to process improvements, operational efficiency initiatives, and documentation enhancements

• Continuously develop technical skills through training, collaboration, and self-learning

Required Qualifications

• Active CCNA (Cisco Certified Network Associate)

• At least 3 years of solid Network Operations support experience

• Bachelor's degree in Engineering, Computer Science, Information Technology, or a related field

• Strong understanding of the OSI Model and TCP/IP Protocol Suite

• Solid knowledge of IPv4 and theoretical understanding of IPv6

• Strong knowledge of dynamic routing protocols including BGP, ISIS, OSPF, and EIGRP

• Experience with network operating systems such as:

  • Cisco IOS

  • IOS-XR

  • IOS-XE

  • NX-OS

  • PAN-OS

  • F5 BIG-IP

• Hands-on experience with network platforms including:

  • Cisco Catalyst, ISR, ASR, and Nexus

  • Cisco and Aruba Wireless solutions

  • Palo Alto Firewalls and Management Platforms

  • F5 BIG-IP platforms including iSeries, Viprion, LTM, DNS, and APM

• Experience supporting enterprise connectivity technologies such as:

  • MPLS

  • Point-to-Point Circuits

  • Internet Services

  • DWDM

  • Metro Ethernet

  • SD-WAN

• Strong knowledge of LAN technologies including:

  • VLAN

  • STP

  • VTP

  • HSRP, VRRP, and GLBP

  • EtherChannel / Port-Channel

• Knowledge of network virtualization and segmentation technologies including:

  • VLAN

  • VPN

  • VRF

  • VXLAN

  • SDN

  • SD-WAN

• Strong understanding of:

  • QoS

  • ACLs

  • Logical Overlays

  • Multicast

  • Unicast

  • Anycast

• Proficiency in Microsoft Office tools including Visio, Word, Excel, Outlook, Teams, SharePoint, and PowerPoint

• Strong documentation skills with experience creating KBs, Runbooks, SOPs, and network diagrams

• Comfortable communicating during technical bridge calls and incident escalations

• Excellent written and verbal communication skills

• Ability to work both independently and collaboratively across diverse teams and cultures

• Experience coordinating with vendors to achieve incident resolution and SLA compliance

Preferred Qualifications

• Experience with monitoring and analytics tools such as:

  • SevOne

  • Splunk

  • nGenius

  • Netcool

  • LogicMonitor

  • Forward Networks

  • Aruba ClearPass

  • ThousandEyes

• Knowledge of scripting and automation using:

  • Python

  • Perl

  • Bash

  • PowerShell

• Experience with ServiceNow or other ITSM platforms

• Exposure to cloud networking technologies within AWS, Azure, and GCP

• Experience using troubleshooting tools such as Wireshark, tcpdump, NetFlow, and Syslog

• Knowledge of Unix/Linux systems

• Experience with NX-OS Data Center technologies including VDC, vPC, FabricPath, FEX, VXLAN, VTEP, and NDFC

• Hands-on experience with F5 BIG-IP technologies including vCMP, LTM, GTM/DNS, and APM

• Experience supporting Palo Alto, Cisco ASA, or Juniper SRX firewalls

• Experience with terminal servers and out-of-band (OOB) access solutions such as Opengear, ION, and DIGI

• Knowledge of DNS, DHCP, and IPAM

• Experience performing packet captures, TCP/IP traces, and network traffic analysis

Why Join Us?

• Work with enterprise-scale networking technologies and global environments

• Gain exposure to cutting-edge network, security, cloud, and data center platforms

• Collaborate with highly skilled technical teams and industry-leading vendors

• Expand your expertise through continuous learning and professional development opportunities

• Be part of a dynamic team that values innovation, operational excellence, and customer success