About this opportunity
We are seeking an experienced Problem Manager to own and drive root-cause and preventive actions across our Core Network (CS Core & Packet Core) and Core Network Infrastructure. The role will lead RCA and trend analysis for major and recurring incidents, coordinate resolution across operations, vendors and engineering, and deliver continuous service improvements to enhance network stability and customer experience.
What you will do
- Own the end-to-end Problem Management lifecycle for Core Network domains (CS Core & Packet Core).
- Lead root cause analysis (RCA) for major and recurring incidents and ensure permanent corrective actions are implemented.
- Coordinate cross-functional resolution activities with L2/L3 operations, engineering teams, vendors and external stakeholders.
- Track and analyze incident trends, identify systemic issues, and propose preventive measures and service improvement plans.
- Ensure problem resolution and follow-up activities meet agreed SLAs and OLAs.
- Drive preventive and corrective maintenance initiatives to reduce incident recurrence.
- Review and validate network changes to identify and mitigate operational risks.
- Perform network configuration audits and support initiatives to improve service stability.
- Produce and maintain problem records, knowledge articles, runbooks and best-practice documentation.
- Lead post-incident reviews and major incident follow-ups; drive remedial projects where necessary.
- Provide technical guidance and mentorship to L2 operations engineers to ensure consistent processes and high-quality outputs.
- Maintain dashboards, KPIs and management updates for problem reporting and status tracking.
- Support continuous improvement and operational excellence programs.
You will bring
- 7-14 years' experience in Telecommunications, with 5-8 years of strong domain experience in CS Core and/or Packet Core.
- Solid knowledge of ITIL Problem Management processes and operational best practices.
- Clear understanding of 3GPP standards and signaling/protocols including SIP, Diameter, BICC, SIGTRAN, CAMEL, MAP, etc.
- Strong understanding of 2G/3G/4G core network nodes, protocols and signalling flows.
- In-depth experience with voice core scenarios and signaling flows.
- In-depth experience with data/core packet scenarios and signaling flows.
- Hands-on experience with voice core nodes (e.g., MSC, MGW, STP, UDC, APG).
- Strong knowledge of packet core nodes (SGSN/MME, GGSN/EPG, SAPC/PCRF) and surrounding nodes (IMS, DNS, charging systems).
- Familiarity with roaming call/data flows and GRX architecture.
- Understanding of IMS call flows and 5G (NSA & SA) architectures and call flows.
- Excellent IP networking background and MPBN knowledge.
- Strong Linux skills and familiarity with virtualization, cloud NFVI/NFVO and cloud infrastructure.
- Strong analytical, troubleshooting and presentation skills.
- Excellent stakeholder management, written and verbal communication skills.
- Self-driven, proactive, and able to lead complex cross-functional problem resolution.
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: 779889
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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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