About this opportunity:
We are currently seeking a talented and dedicated individual to join our Ericsson team as a Senior Engineer - Ericsson HLR/HSS. This critical role belongs to our Managed Services department, directly contributing to our ongoing Ericsson Operations Engine projects. You will be at the forefront of tech-driven change, offering your specialist knowledge to guide the entire lifecycle of our projects. Whether we are in the Create, Sustain, or Evolve stages, your expertise will pave the way forward in your domain.
What you will do:
- Identify, analyze, and resolve network and service faults in HLR, HSS, CUDB, CCDU and connected nodes.
- Perform root cause analysis (RCA) for service failures such as registration issues, location update failures, authentication rejections, and roaming faults.
- Analyze signalling traces (MAP, CAP, Diameter, HTTP, SS7, SIGTRAN) using tools like Wireshark, Message Analyzer, or Ericsson's internal trace tools.
- Handle customer trouble tickets (TTs), ensuring timely resolution and escalation where required.
- Continuously monitor node KPIs, alarms, and logs to detect performance degradation or anomalies.
- Proactively identify trends, repeating faults, and configuration issues affecting subscriber database health.
- Lead high-severity incident analysis (P1/P2) ensuring minimal downtime.
- Coordinate with vendor TAC, design teams, and cross-domain experts (EPC, IMS, OSS) for complex fault resolution.
- Document findings, RCA reports, and preventive recommendations.
- Support software upgrades, patches, and corrective maintenance for HLR/HSS/CUDB/CCDU nodes.
- Validate service functionality post-upgrade or re-homing through end-to-end testing and KPI checks.
The skills you bring:
- Administrating Ericsson HLR/HSS/CUDB/CCDU Network and Support Systems
- Preventive & Corrective Maintenance
- Planned Maintenance (Health Checks, Backups etc...)
- Problem Escalations and Follow-ups (TT/CSR/TR/SR)
- Interface with Customer, 3PP and Ericsson Departments
- The following work position / area/ specific functional skills are typically applicable to the Domain Support Specialist- Ericsson HLR/HSS/CUDB/CCDU functional role.
- Good Technical Knowledge of the specific Ericsson HLR/HSS/CUDB/CCDU nodes viz. for NTHLR/SDM Network.
- Understanding of all Processes, routines activities and stakeholder management.
- Expertise on Protocols (i.e. SS7, INAP, TCAP, MAP, SCCP, http, Diameter signaling)
- Call flows and Call scenarios, Multiple Test Cases, AT and clear understanding.
- Expertise on Ercisson HLR/HSS/CUDB/CCDU and basic knowledge of IMS/PACO/MSS/MGW
- Hands on experience on Ercisson HLR/HSS/CUDB/CCDU
- 2G/3G/LTE/4G, VoLTE/IMS, call flows.
- Knowledge of hardware and software alarm & Trouble shooting.
- H/W functionality of units in Ericsson HLR/HSS/CUDB/CCDU Nodes.
- Performance & Characteristics of Ericsson HLR/HSS/CUDB/CCDU Network Nodes.
Qualification
- B.E / B.Tech. in Electronics & Communications with at least 6-8 years of Experience in NTHLR/SDM Domain.
- Technical and/or functional skills: [Performance & Characteristics of Ericsson HLR/HSS/CUDB/CCDU Network Nodes]
Join our Team
About this opportunity:
We're looking for a talented MS Core and Cloud Specialist at Ericsson, where you'll have the chance to showcase your technology leadership skills for our Core and Cloud domains. In this role, you'll be a crucial part of our Managed Services deliveries, in accordance with the needs of the Ericsson Operations Engine.
What you will do:- Apply your Core and Cloud domain expertise in a supportive role with the Automated Operations team.- Develop and maintain automated solutions, as well as troubleshoot potential automation component issues.- Strive to enhance recovery processes and service delivery methodologies.- Reveal potential system failures by performing trend analyses.- Contribute to Impact Analysis for changes and business requirements.- Encourage competence development within the technical and domain support teams.
The skills you bring:- Ericsson Operations Engine - Mode Of Operations.- Ericsson Customer Experience Assurance (CEA) Competence.- Overall understanding of Automation?.- Subscriber data management Security.- Lifecycle Management.- Identity And Access Management.- 5G Core Architecture.- MS TOP.- Troubleshooting skills.- Network Performance.- Database Management Systems.- Procedure Writing.- Work Level Agreement (WLA) and Service Level Agreement (SLA).- ITIL Framework.
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: 785256
Skills Required
- B.E / B.Tech. in Electronics & Communications
- 6-8 years of experience in NTHLR/SDM Domain
- Technical skills in Ericsson HLR/HSS/CUDB/CCDU Network
- Knowledge of SS7, Diameter signaling, and related protocols
- Experience with troubleshooting and maintenance of network nodes
What the Team is Saying
.png)
.png)
Ericsson Compensation & Benefits Highlights
-
Healthcare Strength — Comprehensive medical, dental, vision, and mental‑health options are positioned as core benefits with multiple plan choices in key markets. Official materials explicitly emphasize healthcare breadth as part of “Life at Ericsson.”
-
Retirement Support — 401(k) with employer matching in the U.S., pensions in some regions, and broad access to an ESPP indicate strong long‑term financial support. Company filings and AGM materials describe share programs and post‑employment benefits as ongoing pillars of the package.
-
Leave & Time Off Breadth — Paid time off, sick leave, holidays, and paid volunteer time are highlighted alongside generous parental leave in various locations. Time‑off entitlements are presented as a strong component of the total rewards offering.
Ericsson Insights
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.
Gallery
Ericsson Offices
Hybrid Workspace
Employees engage in a combination of remote and on-site work.
Ericsson adopts a hybrid work model globally because we know balance matters. Sometimes things are better in real life. Other times we can be more productive at home. Our hybrid approach gives you the best of both worlds.
