Technical authority Expert

## Join our Team

About this opportunity:

Ericsson is seeking an experienced OLM L3 Developer / Solution Architect to design, develop, support, and optimize high-performance, business-critical solutions based on Ericsson Online Mediation. The role involves solution architecture, Java development, telecom integration, production support, troubleshooting, and customer engagement.

Key Responsibilities

Design, develop, integrate, and support Ericsson Online Mediation solutions.

Design scalable, highly available, and high-traffic telecom solutions.

Provide L3 support for critical production incidents, including troubleshooting, RCA, emergency resolution, and technical guidance to support teams.

Analyze logs, thread dumps, TCP dumps, configurations, and performance issues.

Perform configuration tuning and support application, database, operating system, and network optimization.

Develop Java-based applications and integrations using Web Services, REST, SOAP, HTTP, and Parlay.

Work with RADIUS, Diameter, and SMPP protocols.

Support UNIX/Linux environments, Veritas Volume Manager, clustering, Kubernetes, cloud, and virtualization platforms.

Work with Oracle, MySQL, and PostgreSQL databases.

Develop Perl/Python scripts to automate repetitive operational activities.

Troubleshoot IP networking, client-server communication, GSM/IN call flows, and CAMEL scenarios.

Manage OpenSSL/HTTPS security, certificates, keys, truststores, and keystores.

Prepare HLDs/LLDs and deliver technical presentations to customers and stakeholders.

Provide 24x7 technical support during critical incidents and planned activities, as required.

Key Qualifications

Bachelor’s degree in Engineering, IT, Telecommunications, or a related discipline.

Strong development and solution design experience with Ericsson Online Mediation.

Hands-on expertise in Java, telecom protocols, system integration, and production support.

Strong knowledge of UNIX/Linux, IP networking, databases, clustering, and troubleshooting.

Experience with Kubernetes, cloud, virtualization, OpenSSL, HTTPS, and certificate management.

Good understanding of GSM/IN call flows, CAMEL, OTT solutions, and telecom environments.

Proven experience in HLD/LLD preparation and customer-facing technical discussions.

Willingness to work in a 24x7 support environment.

Personal Competencies

Excellent communication, collaboration, analytical, and problem-solving skills.

Strong system-thinking approach with the ability to anticipate risks and dependencies.

Ability to develop workarounds to minimize incident impact.

Effective time management and quick response to critical issues.

Awareness of data governance, security, and data protection requirements.

Proactive mindset toward automation, knowledge sharing, and continuous improvement.