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Senior Network Engineer - L3

Encora

Cloud & InfrastructureSingapore

Job Description

<p><strong>&nbsp;</strong></p> <p><strong>Senior Network Engineer – L3</strong></p> <p><strong>Important Information</strong></p> <p><strong>Location: Singapore</strong></p> <p><strong>12 months contract</strong></p> <p><strong>Job Summary</strong></p> <p>As a Senior Network Engineer, you will be responsible in providing Tier-3 support for enterprise networks including Cisco, Juniper, Palo Alto, and Fortinet.</p> <p><strong><u>Required Key Skills</u></strong></p> <ul> <li>Expert level knowledge in implementation and maintenance of Cisco Routers and Switches of all series.</li> <li>Good knowledge in Cisco IOS</li> <li>Good knowledge in implementation and operations support of NAC (network access control)</li> <li>Good knowledge in Aruba Clear Pass / Cisco ISE</li> <li>Good knowledge in Wireless Network / Access Points / Controllers support and troubleshooting&nbsp;&nbsp;</li> <li>Expert level understanding of the OSI or TCP/IP model</li> <li>Provide Level-2 technical support and troubleshooting to resolve issues</li> <li>CCNP certification</li> <li>Hands-on experience with monitoring, network diagnostic, Packet Tracers and network analytics tools</li> <li>Good knowledge on Firewall Products like Cisco ASA, FortiGate, Palo Alto, Checkpoint</li> <li>Good knowledge on Aruba ClearPass/Cisco ISE, Cisco wireless controllers</li> <li>Knowledge on F5 load balancers</li> </ul> <p>&nbsp;</p> <p><strong><u>Priority Tasks</u></strong></p> <p>&nbsp;</p> <ul> <li>Workplace is at customer premises and staff has to follow instituted Workplace securities</li> <li>Perform Problem resolution, escalation and/or closure of incident including problem analysis and identification of the source of the problem w.r.t Routing and Switching</li> <li>Perform configuration change activities</li> <li>Provide problem status to the Service Desk and/or update into the ticketing tool according to the Procedures Manual</li> <li>Perform day-to-day Network operation for the Network Infra-structure and Network Equipment at the customer premises, including performance monitoring, bandwidth monitoring.</li> <li>Work with customer's vendor to perform testing and preventative maintenance according to the schedule provided by the customer for the Network Equipment</li> <li>Perform periodic OS upgrade and Patching as and when required.</li> <li>24X5 rotational shift onsite availability and 24X7 standby / remote support availability as and when needed for critical incidents.</li> <li>Perform Problem resolution, escalation and/or closure of incident including problem analysis and identification of the source of the problem</li> <li>Provide proactive incident reports for all Network related problems, faults, events within TWENTY-FOUR (24) hours</li> <li>Respond to all fault calls inclusive of emails and other forms of communications for Firewall related issues and problems reported</li> <li>Escalate the problem to Vendors Support in timely manner and get the issue resolved within the specified time as agreed with the customer</li> <li>Provide multi-vendor equipment support across a wide range of models and types of networking equipment</li> <li>Maintain the inventory of certificates and install/update/renew certificates as and when required.</li> <li>Perform security activities like hardening/periodic health check/ ID validation and other compliance activities as per &nbsp;security policies and standards.</li> <li>Maintain/Update inventory list and compliance related databases or similar Databases.</li> <li>Maintain the device inventory list for the client when needed, Maintain the software/firmware for all the devices up to date</li> <li>&nbsp;Subscribe to vendor notifications for the managed devices for vulnerabilities and review/validate/apply security patches pro-actively.</li> <li>Perform device activation / deactivation as per service activation and deactivation process.</li> <li>Maintain the IP address inventory and allocate new IP address when required by business.</li> <li>Engage third part vendors to resolve hardware issues and follow up till closure</li> <li>Monitor vendor End of Life / End of Support notifications for all In Scope Devices and inform the client.</li> </ul> <p>&nbsp;</p> <p><strong>About Encora</strong></p> <p>Encora is a global company that offers Software and Digital Engineering solutions. Our practices include Cloud Services, Product Engineering &amp; Application Modernization, Data &amp; Analytics, Digital Experience &amp; Design Services, DevSecOps, Cybersecurity, Quality Engineering, AI &amp; LLM Engineering, among others.</p> <p>At Encora, we hire professionals based solely on their skills and do not discriminate based on age, disability, religion, gender, sexual orientation, socioeconomic status, or nationality.</p> <p><strong>&nbsp;</strong></p> <p><strong>&nbsp;</strong></p> <p>&nbsp;</p> <p>&nbsp;</p>

Listing closes 5 Dec 2026.

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