Domain Support Specialist(3)

Posted 4 Hours Ago
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Noida, Gautam Buddha Nagar, Uttar Pradesh, IND
In-Office
Junior
Cloud • Information Technology • Internet of Things • Machine Learning • Software • Cybersecurity • Infrastructure as a Service (IaaS)
We are shaping the future of digital connectivity the world relies on.
The Role
The Domain Support Specialist provides technical support in RAN network operations, manages incidents, conducts preventive maintenance, and ensures service availability and performance based on SLAs.
Summary Generated by Built In
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About this opportunity:
Ericsson is currently looking for an experienced Domain Support Specialist who is passionate about maintaining and enhancing our technical capabilities in Automated Operations of Services. The successful candidate will handle a range of responsibilities, including diagnosis, rapid domain support, routine resource fulfillment, on-site technical support, in addition to organizing, managing, and conducting both proactive and reactive maintenance activities. Moreover, successful execution and implementation of change request will equally be part of this role. If you are an individual eager to contribute to the delivery and testing of particular services or resources while ensuring optimal operational efficiency, this role is for you.
What you will do:- Act as the specialist escalation point, providing exceptional technical expertise round-the-clock (24/7) while ensuring a timely response to ticket queues.- Work comprehensively to identify and implement improvements in automated recovery, and provide required support for service surveillance on-site.- Secure the consistent availability and performance of all services for customers, in alignment with the Service Level Agreement (SLA).- Conduct proactive analysis to detect potential failures, ensuring swift incident restoration and repair.- Execute Domain Support Activities including Change Introduction impact analysis, 1st Level Preventive Maintenance Coordination and Routine Maintenance.- Provide proactive Incident Management Support, facilitating quick resolution and initiating 3rd Level Functional Escalation when needed.- Undertake service resource fulfilment activities, supporting basic change management efforts and post-implementation support.
The skills you bring:
1) 2-3 years hands-on experience in RAN network operations and monitoring with Ericsson, Huawei or Nokia skill sets are prefered.
2) Telecommunications knowledge e.g. GSM, WCDMA, LTE technologies.
3) Should possess knowledge of RAN 2G/3G/4G/5G Network KPI's and able to promptly analyze, report and resolve issues.
4) General understanding call flows, channel concepts.
5) Familiarity with RAN network elements: System Module, Radio module, BTS / Node-B / eNodeB / gNodeB, etc.
6) Use of OSS/NMS tools (for example vendor tools like Nokia NetAct, Ericsson ENM, Huawei U2000) for monitoring and support.
7) Ability to monitor alarms/outages and detect degradations or service issues in real time.
8) Basic knowledge of RAN KPIs / counters: e.g. RRC, ERAB, handover (HO), PRB/Resource, SINR/CQI etc.
9) Basic troubleshooting: when eNodeB/NodeB/BTS shows an alarm or issue - ability to assist in first-level analysis, log checking, and escalate if needed.
10) Documentation & reporting: maintain logs for alarms/outages/config changes; prepare periodic network performance reports.
11) Coordination with field teams or senior engineers for escalations or on-site fixes; ability to work in shifts / under supervision.

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The Company
HQ: Stockholm
88,000 Employees
Year Founded: 1876

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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