Network Switch Migration Engineer – Security & Monitoring

Rapsys Technologies Pte Ltd.; Singapore; On-site; SGD 60,000 - 80,000; Full time

Job summary

Rapsys Technologies Pte Ltd. is seeking a Network Engineer for a 6-month on-site contract in Singapore. The role centers on migrating network switches, validating configurations, and tightening security across the infrastructure.

You will plan migrations, review design documents, perform firmware upgrades, and coordinate with stakeholders to ensure smooth rollout with minimal downtime.

Qualifications

• Hands-on experience with network switch migration and implementation.
• Strong knowledge of network infrastructure and switch configuration.
• Experience in firmware/OS upgrades and configuration backups.

Responsibilities

• Plan and execute network switch migration activities.
• Review network architecture, design documents, and migration requirements.
• Validate switch hardware, firmware/OS versions, licensing, and compatibility.
• Prepare implementation, migration, testing, and rollback plans.
• Perform switch build, initial configuration, and firmware/OS upgrades.
• Implement network security hardening and disable unused ports/services.
• Integrate switches with enterprise monitoring platforms.
• Configure and validate SNMP, Syslog, NetFlow/sFlow, performance, interface, and environmental monitoring.
• Perform pre-migration health checks and configuration backups.
• Execute migrations while minimizing downtime and business impact.
• Perform connectivity testing and troubleshoot migration-related issues.
• Create and maintain network diagrams, port mappings, IP documentation, and configuration records.
• Provide post-migration monitoring and support.
• Support release readiness activities and obtain stakeholder sign-off.

Skills

Network Switch Migration

Network Infrastructure

Network Configuration

Network Security Hardening

Migration Planning

Rollback Planning

Job description

Rapsys Technologies Pte Ltd. is seeking a Network Engineer for a 6-month on-site contract in Singapore. The role centers on migrating network switches, validating configurations, and tightening security across the infrastructure.

You will plan migrations, review design documents, perform firmware upgrades, and coordinate with stakeholders to ensure smooth rollout with minimal downtime.