# Senior Network Engineer - L3 at Encora

Senior Network Engineer - L3 at Encora in Singapore. Remote. Posted July 28, 2026.

- Company: Encora
- Location: Singapore
- Workplace: Remote
- Posted: 2026-07-28
- Apply: https://job-boards.greenhouse.io/encora10/jobs/5195416007
- Source: https://jobmagic.ai/jobs/senior-network-engineer-l3-encora-jcj13m

## Description

** Senior Network Engineer – L3Important InformationLocation: Singapore12 months contractJob Summary**

As a Senior Network Engineer, you will be responsible in providing Tier-3 support for enterprise networks including Cisco, Juniper, Palo Alto, and Fortinet.

**Required Key Skills**

- Expert level knowledge in implementation and maintenance of Cisco Routers and Switches of all series.

- Good knowledge in Cisco IOS

- Good knowledge in implementation and operations support of NAC (network access control)

- Good knowledge in Aruba Clear Pass / Cisco ISE

- Good knowledge in Wireless Network / Access Points / Controllers support and troubleshooting  

- Expert level understanding of the OSI or TCP/IP model

- Provide Level-2 technical support and troubleshooting to resolve issues

- CCNP certification

- Hands-on experience with monitoring, network diagnostic, Packet Tracers and network analytics tools

- Good knowledge on Firewall Products like Cisco ASA, FortiGate, Palo Alto, Checkpoint

- Good knowledge on Aruba ClearPass/Cisco ISE, Cisco wireless controllers

- Knowledge on F5 load balancers

 

**Priority Tasks**

 

- Workplace is at customer premises and staff has to follow instituted Workplace securities

- 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

- Perform configuration change activities

- Provide problem status to the Service Desk and/or update into the ticketing tool according to the Procedures Manual

- Perform day-to-day Network operation for the Network Infra-structure and Network Equipment at the customer premises, including performance monitoring, bandwidth monitoring.

- Work with customer's vendor to perform testing and preventative maintenance according to the schedule provided by the customer for the Network Equipment

- Perform periodic OS upgrade and Patching as and when required.

- 24X5 rotational shift onsite availability and 24X7 standby / remote support availability as and when needed for critical incidents.

- Perform Problem resolution, escalation and/or closure of incident including problem analysis and identification of the source of the problem

- Provide proactive incident reports for all Network related problems, faults, events within TWENTY-FOUR (24) hours

- Respond to all fault calls inclusive of emails and other forms of communications for Firewall related issues and problems reported

- Escalate the problem to Vendors Support in timely manner and get the issue resolved within the specified time as agreed with the customer

- Provide multi-vendor equipment support across a wide range of models and types of networking equipment

- Maintain the inventory of certificates and install/update/renew certificates as and when required.

- Perform security activities like hardening/periodic health check/ ID validation and other compliance activities as per  security policies and standards.

- Maintain/Update inventory list and compliance related databases or similar Databases.

- Maintain the device inventory list for the client when needed, Maintain the software/firmware for all the devices up to date

-  Subscribe to vendor notifications for the managed devices for vulnerabilities and review/validate/apply security patches pro-actively.

- Perform device activation / deactivation as per service activation and deactivation process.

- Maintain the IP address inventory and allocate new IP address when required by business.

- Engage third part vendors to resolve hardware issues and follow up till closure

- Monitor vendor End of Life / End of Support notifications for all In Scope Devices and inform the client.

 

**About Encora**

Encora is a global company that offers Software and Digital Engineering solutions. Our practices include Cloud Services, Product Engineering & Application Modernization, Data & Analytics, Digital Experience & Design Services, DevSecOps, Cybersecurity, Quality Engineering, AI & LLM Engineering, among others.

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.

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