Senior Network Engineer: Migration & Security

ADOMITA TECHNOLOGIES PTE. LTD.; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

ADOMITA TECHNOLOGIES PTE. LTD. seeks an experienced engineer to lead network switch migrations, design reviews, and security hardening in Singapore. You will coordinate with security, servers, applications, and operations teams to ensure a smooth migration.

The role covers planning, build/configuration, monitoring integration, and comprehensive post‑migration support, with detailed documentation and stakeholder sign-off on completion.

Qualifications

• 10+ years experience in network migrations and large-scale switch upgrades.
• Strong network security hardening and compliance knowledge.
• Experience planning, documenting, and coordinating migrations with stakeholders.

Responsibilities

• Plan and review network architecture, migration requirements, and dependencies.
• Build and configure switches, upgrade firmware/OS to approved versions.
• Implement security hardening, disable unused ports and services.
• Set up monitoring and alerting with SNMP, Syslog, NetFlow where applicable.
• Execute migration with pre-checks, backups, and minimal downtime.
• Test connectivity and validate migration outcomes with teams.
• Create/update network diagrams, config records, IP addressing, and docs.
• Provide post-migration support and sign-off with stakeholders.

Skills

Network Migration

Network Infrastructure

Security Hardening

Monitoring & Alerting

Network Documentation

Stakeholder Coordination

Job description

ADOMITA TECHNOLOGIES PTE. LTD. seeks an experienced engineer to lead network switch migrations, design reviews, and security hardening in Singapore. You will coordinate with security, servers, applications, and operations teams to ensure a smooth migration.

The role covers planning, build/configuration, monitoring integration, and comprehensive post‑migration support, with detailed documentation and stakeholder sign-off on completion.