T

Network Engineer

icon building Company : Tech Aalto
icon briefcase Job Type : Full Time
icon geo-alt Singapore

Job Description - Network Engineer

Network Engineer 

Primary Skills: Network Switch Migration | Network Infrastructure & Configuration | Network Security Hardening

Secondary Skills: Monitoring & Alerting | Network Documentation | Stakeholder Coordination & Support

JD: Migration

  • 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.

  • Switch Build and Initial Configuration Upgrade firmware/OS to approved versions. Review and Configure: 

  • Security Configuration Implement network security hardening in accordance with company standards. Disable unused ports and services. Ensure compliance with security and audit requirements.

  • 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.

  • 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.

  • Testing and Validation Perform connectivity testing. Resolve any issues identified during testing.

  • 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.

  • 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.



    When you apply, you voluntarily consent to the disclosure, collection and use of your personal data for employment/recruitment and related purposes in accordance with the Tech Aalto Privacy Policy, a copy of which is published at Tech Aalto’s website (https://www.techaalto.com/privacy/)

    Confidentiality is assured, and only shortlisted candidates will be notified for interviews.

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