Cygnify logo

Mobile Core Network Ops Engineer (4G/5G)

Cygnify

SingaporeFull-timeOn-site

Posted 7 May 2026

About this role

Responsible for the operation, maintenance, and troubleshooting of 4G/5G core network systems to ensure high service availability. This includes managing core nodes, monitoring KPIs, and collaborating with international roaming partners for service assurance. Requires a degree in Electronics, Communications, or Networking with 3-5 years of experience in the Telco industry. Candidates must have strong knowledge of 4G/5G call flows, network protocols, and experience with virtualized environments.

What they're looking for

4G/5G Core NetworksIMSHSSUDMSBCMSSVoLTESS7

Frequently asked questions

What does a Mobile Core Network Ops Engineer (4G/5G) at Cygnify do?

Responsible for the operation, maintenance, and troubleshooting of 4G/5G core network systems to ensure high service availability. This includes managing core nodes, monitoring KPIs, and collaborating with international roaming partners for service assurance. Requires a degree in Electronics, Commun…

What skills does this Mobile Core Network Ops Engineer (4G/5G) role need?

Key skills for this role include 4G/5G Core Networks, IMS, HSS, UDM, SBC, MSS.

How much does a Mobile Core Network Ops Engineer (4G/5G) at Cygnify pay?

The employer did not list a salary for this role. Most similar Singapore roles publish their band on the job page.

Is this Mobile Core Network Ops Engineer (4G/5G) role remote, hybrid, or on-site?

This role is on-site, based in Singapore.

How do I apply for this Mobile Core Network Ops Engineer (4G/5G) role?

You can apply directly on Cygnify's careers page. ApplyLah can tailor your résumé and cover letter to this exact role in seconds first.