Full Time L2 Network Engineer Jobs, in Infinite Computer Solutions Central Region (Singapore) - Maukerja

Job Title: L2 Network Engineer

Contract Duration: 1 year (renewable)

Work Location: Kallang, End-client site

Job Description – Network Engineer

Key Responsibilities

1. Network Monitoring & Operations

• Perform continuous monitoring of network infrastructure using approved monitoring tools.
• Monitor availability, latency, utilization, and health indicators across LAN, WAN, SD-WAN, and Data Center networks.
• Acknowledge alerts, perform initial diagnosis, and take corrective actions as per SOPs.
• Review system logs, audit trails, and operational alerts for anomalies.
• Maintain accurate network documentation, topology updates, and operational records.

2. Incident Management (L1)

• Act as the first point of contact for network-related incidents.
• Log, categorize, prioritize, and track incidents in ITSM tools.
• Perform initial troubleshooting for connectivity, performance, and access issues.
• Restore services using documented runbooks and standard fixes where applicable.
• Escalate incidents to L2/L3 teams with proper diagnostics, logs, and evidence.
• Participate in bridge calls and provide real-time updates during major incidents.

3. Network Security Operations (L1 Support)

• Monitor firewall logs, access violations, and security alerts.
• Execute approved firewall rule changes, access requests, and policy updates under supervision.
• Support Network Access Control (NAC) operations including authentication and posture validation alerts.
• Identify and report suspicious or anomalous traffic patterns for further analysis.
• Ensure adherence to security policies, hardening standards, and access controls.

4. Change & Configuration Support

• Support approved network changes as per change records and implementation plans.
• Execute low-risk, pre-approved changes under guidance (e.g., configuration updates, rule additions).
• Perform pre-change and post-change checks to validate service stability.
• Maintain configuration backups and assist in restoration activities when required.
• Update change documentation and evidence as per governance requirements.

5. Maintenance & Lifecycle Support

• Assist during scheduled maintenance windows including device reboot, shutdown, and startup activities.
• Provide on-site or remote standby support during infrastructure or facility maintenance.
• Track hardware support contracts, warranties, and end-of-support notifications.
• Proactively report capacity, performance, or lifecycle risks to senior engineers.

6. Reporting & Compliance

• Collect operational data for daily, weekly, and monthly service reports.
• Support reporting on incidents, changes, availability, and security posture.
• Ensure all activities are logged, auditable, and compliant with ITIL and security controls.
• Maintain evidence for patching, access, and configuration compliance.

Technologies – Exposure Required

Network Platforms

• Cisco Nexus (Data Center Switching – basic operations)
• Cisco ACI (monitoring, tenant/EPG visibility)
• Cisco SD-WAN (monitoring, alerts, basic checks)
• Cisco WAN Routers & Campus Switches

Security & Identity

• Firewalls (rule monitoring, basic administration)
• Cisco ISE / TACACS (access alerts, basic support)
• Network segmentation & access control concepts

Monitoring & ITSM

• Network Monitoring Tools (SNMP-based tools, dashboards)
• ITSM tools (Incident, Change, Problem workflows)
• Log analysis and alert handling

Skills & Competencies

Technical Skills

• Basic understanding of TCP/IP, routing, switching, and VLANs
• Familiarity with firewall rules, access controls, and network security concepts
• Ability to follow SOPs, runbooks, and escalation procedures
• Basic troubleshooting and log analysis skills

Process & Operational Skills

• Understanding of ITIL processes (Incident, Change, Problem)
• Strong documentation and evidence management discipline
• Ability to work in shifts and high-availability environments

Soft Skills

• Clear communication during incidents and escalations
• Attention to detail and operational discipline
• Ability to work under pressure and follow structured processes
• Team-oriented with strong coordination skills

Role Boundaries

• No network design or architecture responsibilities
• No major configuration changes without approval
• No independent implementation of high-risk changes
• All activities performed under defined SOPs and governance