About this Opportunity:
At Ericsson, we create technology that helps our customers realize the full potential of connectivity. As a Domain Support Specialist in our SRF PS CORE function, you will play a crucial role in ensuring efficient and high-quality operations in a 24x7 environment (primarily night shifts). This role offers the opportunity to work with advanced telecom technologies, interact with multiple vendors, and contribute to the continuous improvement of processes that drive better network performance.
What You Will Do:• Take ownership of technical discussions and mentor peers for competence development.• Facilitate process understanding, compliance with audits, and CR execution activities related to the CORE network.• Handle configurations on various Packet CORE nodes and ensure MSTOP processes are adhered to.• Execute system configuration changes within given access rights while following predefined guidelines.• Manage traffic distribution on GGSN relative to PCRF.• Perform IMSI new IR launch activities, APN creation/modification, and activity planning as per planner requests.• Verify MOPs/designs and execute activities in MW as per CR details.
What You Will Bring:• B.E./B.Tech. degree in Electronics & Communication Engineering.• 1-5 years of telecom industry experience with strong knowledge of PACO.• Experience in handling Ericsson networks; multi-vendor exposure (Cisco, Huawei) is a plus.• Strong understanding of SGSN/GGSN/DNS performance and characteristics.• In-depth knowledge of GSM protocols (SS7, ISUP, SIGTRAN, MAP, SCCP, Diameter) and GSM/GPRS/WCDMA/IN call flows.• Familiarity with multiple test cases, acceptance testing, and 3GPP TS standards.• Ability to work effectively in cross-functional teams and manage stakeholder relationships.
Why join Ericsson?
At Ericsson, you'll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what's possible. To build solutions never seen before to some of the world's toughest problems. You'll be challenged, but you won't be alone. You'll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next.
What happens once you apply?
Click Here to find all you need to know about what our typical hiring process looks like.
Encouraging a diverse and inclusive organization is core to our values at Ericsson, that's why we champion it in everything we do. We truly believe that by collaborating with people with different experiences we drive innovation, which is essential for our future growth. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team. Ericsson is proud to be an Equal Opportunity Employer. learn more.
Primary country and city: India (IN) || Noida
Req ID: 778620
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What the Team is Saying
What We Do
Ericsson builds the digital connectivity the world relies on. Our technology underpins the mobile networks, platforms, and systems that billions of people, businesses, and societies depend on every day.
We are a global leader in communications technology, delivering mobile network infrastructure, cloud software, and wireless connectivity solutions for service providers and enterprises worldwide. Our networks support connectivity across 180+ countries, helping power everyday communication as well as critical digital services at global scale.
Connectivity has evolved far beyond consumer mobile use. Today, nearly 80% of the world’s population accesses the internet via mobile networks, and Ericsson is helping shape what comes next. We are advancing 5G and 5G Advanced, developing network APIs that open connectivity to the global developer ecosystem, and applying automation and AI to make networks more intelligent, efficient, and resilient.
Ericsson was the first company to launch live 5G networks on five continents, and our 5G platform is now commercially live in 150+ networks across 60+ countries. We also support more than 36,000 enterprise customers, enabling secure, high-performance connectivity for industries such as manufacturing, aviation, logistics, utilities, and public safety, where reliability and performance are mission critical.
Innovation is central to how we work. Ericsson has approximately 28,000 employees in research and development, backed by one of the strongest intellectual property portfolios in the industry with 60,000+ granted patents. Our engineers, researchers, and technologists work across 100+ global R&D sites, helping define how networks evolve and how digital infrastructure is built for the long term.
As the world moves toward a mobile-first, AI-powered, and cloud-driven future, connectivity becomes the foundation for digital transformation across every industry. Ericsson is building that foundation, shaping the future of digital connectivity through technology that operates at global scale and supports real-world impact, today and for what comes next.
Why Work With Us
Ericsson is a place for people who want to work on technology that powers everyday life. You’ll contribute to large-scale systems used every day, tackle complex challenges in live environments, and keep developing your skills and career in your own vision.
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