L2/L3 Circuit / Trunk Migration Engineer (Contract)

JOHN ETHANS INTERNATIONAL PTE. LTD.; Singapore; On-site; SGD 70,000 - 90,000; Full time

Job summary

A leading international services company in Singapore seeks an experienced professional for circuit/trunk/voice service operations. Responsibilities include reconciling service records across systems, classifying circuits, building migration scripts, and performing cutovers. The ideal candidate will have 4–6+ years of relevant experience, a strong understanding of routing services, and proven troubleshooting skills. This role offers an opportunity to work with cutting-edge technology in a dynamic environment.

Qualifications

• 4–6+ years experience in circuit/trunk/voice service operations or migration.
• Strong understanding of routing, overflow, diversity, special number services.
• Proven live cutover troubleshooting.

Responsibilities

• Reconcile service records across multiple inventory/OSS/BSS systems.
• Classify circuits by priority/complexity; prepare customer notification lists.
• Build and validate migration + rollback scripts/runbooks.
• Execute cutovers, perform call/service tests, resolve fallout.

Skills

Circuit/trunk/voice service operations

Routing

Live cutover troubleshooting

Job description

Key responsibilities

• Reconcile service records across multiple inventory/OSS/BSS systems.
• Classify circuits by priority/complexity; prepare customer notification lists.
• Build and validate migration + rollback scripts/runbooks.
• Execute cutovers, perform call/service tests, resolve fallout.

Must-have

• 4–6+ years experience in circuit/trunk/voice service operations or migration.
• Strong understanding of routing, overflow, diversity, special number services.
• Proven live cutover troubleshooting.