Network Engineer

MTC GLOBAL SOLUTIONS PTE. LTD.; Singapore; On-site; SGD 70,000 - 120,000; Full time

Job summary

MTC Global Solutions Pte. Ltd. in Singapore is seeking an experienced Network Engineer to lead the design, migration, and security hardening of our enterprise network.

You will plan migrations, validate hardware and licenses, upgrade firmware, configure security, and implement monitoring with SNMP, Syslog, and NetFlow, coordinating with security, server, application and operations teams. Documentation of diagrams, port mappings, IP addressing, and configurations, plus post-migration support and

Qualifications

• Experience planning and executing network migrations with minimal downtime.
• Strong understanding of network infrastructure configuration and security hardening.
• Ability to design and review network architectures and implementation plans.

Responsibilities

• Plan and review network architecture, migration requirements, and risks.
• Build and upgrade switch firmware/OS to approved versions; configure devices.
• Implement security hardening per company standards; disable unused ports/services.
• Set up monitoring and alerting (SNMP, Syslog, NetFlow) and ensure data flows to monitoring tools.
• Execute migration with health checks, backup configurations, and cross-team coordination.
• Test connectivity and resolve issues identified during testing.
• Create and update network diagrams, port mappings, IP addressing, and security documentation.
• Provide post-migration support, logs review, optimization, and knowledge transfer.

Skills

Switch Migration

Infra Config

Security Hardening

Job description

Primary Skills

• Network Switch Migration
• Network Infrastructure & Configuration
• Network Security Hardening

Secondary Skills

• Monitoring & Alerting
• Network Documentation
• Stakeholder Coordination & Support

Responsibilities

1. Planning and Design Review network architecture, design documents, and migration requirements. Validate switch hardware, software versions, licensing, and compatibility. Develop implementation, migration, rollback, and testing plans. Identify dependencies, risks, and outage requirements. Coordinate with security, server, application, and operations teams.
2. Switch Build and Initial Configuration Upgrade firmware/OS to approved versions. Review and Configure:
3. Security Configuration Implement network security hardening in accordance with company standards. Disable unused ports and services. Ensure compliance with security and audit requirements.
4. Monitoring and Alerting Setup Integrate switches with enterprise monitoring tools. Ensure the below is configured and working as per the need: SNMP monitoring Syslog forwarding NetFlow/sFlow where applicable Performance and capacity monitoring Interface utilization monitoring Environmental monitoring (temperature, power supply, fan status) Configure operational alerts for: Validate monitoring data is received by monitoring platforms.
   • SNMP monitoring
   • Syslog forwarding
   • NetFlow/sFlow where applicable
   • Performance and capacity monitoring
   • Interface utilization monitoring
   • Environmental monitoring (temperature, power supply, fan status)
5. Migration Execution Perform pre-migration validation and health checks. Backup existing switch configurations. Execute migration according to approved implementation plan. Coordinate migration with application and infrastructure teams. Minimize downtime and business impact.
6. Testing and Validation Perform connectivity testing. Resolve any issues identified during testing.
7. Documentation Create and update: Network diagrams Switch configuration records Port mappings IP addressing documentation Security configuration documentation Monitoring and alerting configuration records Maintain implementation and rollback procedures.
   • Network diagrams
   • Switch configuration records
   • Port mappings
   • IP addressing documentation
   • Security configuration documentation
   • Monitoring and alerting configuration records
8. Post-Migration Support Provide post-implementation monitoring and support. Review logs and alerts for abnormalities. Optimize configurations where required. Conduct knowledge transfer to operations team. Obtain stakeholder sign-off after successful migration. Deliverables Approved switch build configuration. Security hardening checklist completed. Monitoring and alerting integrated and tested. Configuration backup and rollback plan. Updated network diagrams and documentation. Migration report including validation results and sign-off. Prepare all the required documents associated as part of the Release readiness.
   • Approved switch build configuration
   • Security hardening checklist completed
   • Monitoring and alerting integrated and tested
   • Configuration backup and rollback plan
   • Updated network diagrams and documentation
   • Migration report including validation results and sign-off
   • Prepare all the required documents associated as part of the Release readiness