Network Engineer L2

Network Engineer L2

Two95 International Inc. · Singapore, Singapore · Contract · Posted 2025-12-12

Salary: SGD 6,000–8,000

Workplace: on_site

Department: APAC

Description

Network Engineer – L2

Industry Type: IT Services & Consulting

The Network L2 Engineer will be responsible for supporting, managing, and optimizing enterprise network infrastructure across LAN, WAN, and SD-WAN environments. The role involves handling advanced troubleshooting, implementing network changes, ensuring high availability, and collaborating with cross-functional teams to maintain a secure and resilient network.

Responsibilities:

·         Perform L2-level support for LAN, WAN, and SD-WAN operations, ensuring network uptime, reliability, and performance.

·         Troubleshoot and resolve issues related to routing and switching technologies including OSPF, BGP, EIGRP, STP, VLANs, VRRP/HSRP, and other L2/L3 protocols.

·         Provide 2nd-tier support for escalated network and firewall incidents across enterprise environments.

·         Diagnose and resolve cloud connectivity and network-related issues, ensuring minimum downtime and high-quality service delivery.

·         Support enterprise security infrastructure including firewalls, security appliances, and NAC (Network Access Control) solutions.

·         Manage NAC operations such as device onboarding, authentication, profiling, and policy enforcement.

·         Ensure compliance with network security standards, configuration baselines, and audit requirements.

·         Participate in firewall upgrades, rule reviews, and configuration changes.

·         Configure, manage, and troubleshoot Wi-Fi infrastructure, including wireless controllers, access points, RF optimization, and end-user connectivity issues.

·         Execute network changes as per ITIL processes, covering change requests, incident handling, and problem management.

·         Work closely with L1 and L3 teams to ensure efficient escalation, resolution, and closure of incidents.

·         Monitor network performance and health using tools such as SolarWinds, WhatsUp Gold, or similar platforms.

·         Maintain updated network documentation, diagrams, configuration backups, inventory, and knowledge base articles.

·         Assist in network upgrades, migrations, and technology refresh projects across firewalls, routers, core/distribution/access switches, and data center platforms.

·         Support modernization initiatives involving Cisco Nexus, ACI, cloud networking, and other emerging technologies.

·         Collaborate with cross-functional teams to improve network performance, scalability, and security posture.

Requirements

Skill Set:

·         Strong hands-on experience in LAN/WAN/SD-WAN operations.

·         Proficiency in routing and switching technologies (Cisco, Aruba, Juniper preferred).

·         Experience working with NAC solutions such as Cisco ISE, Aruba ClearPass, or FortiNAC.

·         Knowledge of Wi-Fi infrastructure, RF behavior, WLAN controllers, and enterprise wireless deployments.

·         Ability to analyze packet captures and interpret system/network logs for troubleshooting.

·         Good understanding of firewall concepts and network security best practices.

·         Experience with network monitoring and ticketing tools.

·         Solid understanding of L2/L3 protocols (OSPF, BGP, EIGRP, STP, HSRP/VRRP, VLANs).

·         Experience with enterprise firewalls, switching (core/distribution/access), and routers.

·         Exposure to data center technologies including Cisco Nexus and ACI.

·         Familiarity with ITIL processes for change, incident, and problem management.

Preferred Skills & Certifications:

·         Strong analytical and problem-solving abilities.

·         Excellent communication and documentation skills.

·         Ability to work under pressure and manage multiple priorities.

·         Team player with proactive attitude.

·         CCNA / CCNP (Routing & Switching/Enterprise)

·         Aruba Associate (ACSA/ACSA-W)

·         Juniper Associate (JNCIA)

Apply

Apply at Two95 International Inc.

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