Core Network Problem Manager — NOC & RCA Lead

Ericsson GmbH; Hinoba-an; On-site; PHP 986,000 - 1,643,000; Full time

Benefits offered by this job

Equal Opportunity Employer

Job summary

Ericsson is seeking a proactive Problem Manager – Core Domain to lead end-to-end problem lifecycle activities within the L1 NOC. You will drive RCA, maintain the Known Error Database, and coordinate with L1/L2/L3 teams, field teams, and vendors to ensure rapid closure and service quality.

The role requires strong analytical skills, extensive telecom domain knowledge in IMS, VoLTE, and 4G/5G Core, and experience with ITSM tools such as ServiceNow or BMC Remedy.

Qualifications

• 5–10 years of experience in telecom network operations, with at least 5 years in a Problem Management or senior NOC role.
• Hands-on experience in Core domain fault management, incident analysis, or network support.
• Strong analytical and troubleshooting skills with the ability to identify patterns across large incident datasets.
• Excellent written and verbal communication skills for stakeholder reporting and RCA documentation.
• Bachelor's degree in Engineering (Electronics / Telecommunications / Computer Science) or equivalent.

Responsibilities

• Own end-to-end problem lifecycle management for Core network domain incidents.
• Conduct thorough Root Cause Analysis (RCA) for recurring and major incidents.
• Identify problem trends through incident data analysis and proactive problem detection.
• Raise and manage Problem Records in the ITSM ticketing system (ServiceNow / BMC Remedy / JIRA).
• Drive Known Error identification and maintain the Known Error Database (KEDB).
• Collaborate with L1 NOC, L2, and L3 teams to facilitate timely problem investigation and resolution.
• Coordinate with Core network engineers, field teams, and vendor support for problem closure.
• Escalate critical or unresolved problems to senior technical leads and management as per the escalation matrix.
• Interface with the customer / client teams for problem status updates and post-incident reviews.
• Prepare and deliver high-quality RCA reports and Problem Management reports to internal and external stakeholders.
• Document workarounds, known errors, and resolution steps in the knowledge base.
• Maintain accurate problem logs, closure reports, and trend analysis records.
• Support audit and compliance activities with relevant documentation.
• Analyze problem trends and recurring fault patterns to identify improvement opportunities.
• Work with operations and technical teams to implement preventive actions and process improvements.
• Contribute to SLA performance improvement initiatives and reduction of repeat incidents.
• Participate in service review meetings and provide problem management inputs.

Skills

IMS

VoLTE

EPC

4G/5G Core

CS Core

MSS

MGW

HLR/HSS

Analytical thinking

Troubleshooting

Education

Bachelor's degree in Engineering (Electronics / Telecommunications / Computer Science)

Tools

ServiceNow

BMC Remedy

JIRA

Job description

Ericsson is seeking a proactive Problem Manager – Core Domain to lead end-to-end problem lifecycle activities within the L1 NOC. You will drive RCA, maintain the Known Error Database, and coordinate with L1/L2/L3 teams, field teams, and vendors to ensure rapid closure and service quality.

The role requires strong analytical skills, extensive telecom domain knowledge in IMS, VoLTE, and 4G/5G Core, and experience with ITSM tools such as ServiceNow or BMC Remedy.