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Open nowPosted 24 days ago

Network Engineer

MyCareersFuture94,028 open roles

Pay
SGD 8,000 – SGD 9,000 a month
Where
Singapore
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Your applicationOpen nowNetwork EngineerMyCareersFuture · Singapore

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The clock on this job

Early applications get read.

7.8% of postings close within 7 days. Measured by our own scanner across the market.

Share of postings closed within
  1. 1.6%1 day
  2. 3.4%3 days
  3. 7.8%7 days
  4. 14.3%14 days
  5. 33.7%30 days
This job: posted 24 days ago

The posting

Senior Network Engineer – Switch Migration & Infrastructure Security

Experience Level: 10+ Years | Contract Role

About the Role

We're looking for a seasoned Network Engineer to lead a critical switch migration initiative — owning everything from architecture review and secure configuration to live cutover and post-migration support. This is a hands-on, high-visibility role for someone who thrives on precision planning, airtight execution, and zero-surprise go-lives.

If you've led enterprise switch migrations end-to-end, know your way around security hardening standards, and can speak fluently to both engineers and business stakeholders — we want to talk to you.

What You'll Own

Planning & Design

  • Review network architecture, design documents, and migration requirements
  • Validate switch hardware, software versions, licensing, and compatibility
  • Build implementation, migration, rollback, and test plans
  • Identify dependencies, risks, and outage windows
  • Coordinate cross-functionally with security, server, application, and ops teams

Build & Configuration

  • Upgrade firmware/OS to approved baselines
  • Review and configure switches per approved standards

Security Hardening

  • Implement network security hardening aligned to company standards
  • Disable unused ports and services
  • Ensure full compliance with security and audit requirements

Monitoring & Alerting

  • Integrate switches with enterprise monitoring platforms
  • Configure and validate: SNMP, Syslog forwarding, NetFlow/sFlow (where applicable), performance & capacity monitoring, interface utilization, and environmental monitoring (temperature, power, fan status)
  • Set up operational alerts and confirm data flow into monitoring platforms

Migration Execution

  • Perform pre-migration validation and health checks
  • Back up existing configurations
  • Execute migrations per approved plan with minimal downtime
  • Coordinate cutover with application and infrastructure teams

Testing & Validation

  • Run full connectivity testing
  • Troubleshoot and resolve issues in real time

Documentation

  • Maintain network diagrams, port mappings, IP addressing records, security configs, and monitoring documentation
  • Keep implementation and rollback procedures current

Post-Migration Support

  • Monitor logs and alerts post-cutover
  • Optimize configurations as needed
  • Deliver knowledge transfer to operations
  • Secure stakeholder sign-off on successful migration
  • Prepare all release-readiness documentation

What You Bring

  • 10+ years of hands-on network engineering experience
  • Deep expertise in network switch migrations at enterprise scale
  • Strong command of network infrastructure and configuration
  • Proven track record in network security hardening
  • Working knowledge of monitoring and alerting tools (SNMP, Syslog, NetFlow/sFlow)
  • Excellent documentation discipline and attention to detail
  • Strong stakeholder coordination skills — able to manage technical and business conversations alike
  • Calm, methodical approach under pressure during live migrations

Deliverables You'll Drive

  • Approved switch build configuration
  • Completed security hardening checklist
  • Fully integrated and tested monitoring/alerting
  • Configuration backups and rollback plans
  • Updated network diagrams and documentation
  • Migration report with validation results and sign-off
  • Complete release-readiness documentation package
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