Ericsson

Engineer- IMS (Ericsson)

Ericsson  •  Noida, IN (Onsite)  •  2 days ago
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Job Description

Join our Team

About This Opportunity
We are seeking an End-to-End IMS Expert (Ericsson & Nokia) to join our team. This role will be responsible for end-to-end ownership of IMS domains across Ericsson and Nokia network architectures, covering design, configuration, upgrades, troubleshooting and service assurance.
As a senior subject matter expert, you will ensure network stability, performance, scalability and security, while supporting operations, transformation and managed services handover initiatives. The role requires close collaboration with L2/L3 support teams, vendors and customer stakeholders.


What You Will Do

  • Provide end-to-end technical ownership of IMS networks across Ericsson platforms.
  • Perform configuration, upgrades, updates and redeployment activities across Packet Core and IMS nodes as part of incident resolution or planned changes.
  • Handle incident, problem and change management, including review and closure of TT, CR and AT on a daily basis.
  • Act as Expert support for complex network issues impacting data and voice services.
  • Ensure compliance with MSTOP processes, operational governance and best practices.
  • Ensure security policies, password policies, access controls and audits are implemented and periodically reviewed across all nodes.Participate in root cause analysis (RCA) and
  • preventive actions to improve network stability and reduce recurring issues.
  • Support managed service handover, knowledge transfer and shadowing activitiesfor operations teams.
  • Contribute to the creation, review and enhancement of SOPs, runbooks and operational procedures.
  • Actively participate in technical discussions, architecture reviews and optimization initiatives to improve overall network performance and customer experience.
  • Coordinate with vendor support, engineering teams and customer stakeholders during major incidents, changes and network upgrades.

You Will Bring

  • Strong end-to-end expertise in IMS architecture, operations and troubleshooting.
  • Hands-on experience with Ericsson IMS nodes, including virtualized and cloud-based deployments.
  • Deep understanding of mobile core technologies across 2G/3G/4G/5G (NSA/SA)environments.
  • Excellent troubleshooting, analytical and RCA skills with the ability to handle high-severity incidents.
  • Strong understanding of security compliance, access management and audit requirements in telecom networks.
  • Effective communication and stakeholder management skills, with the ability to lead technical discussions and bridge operations and engineering teams.
  • Ability to work independently with minimal supervision and take ownership of critical network domains.


Key Qualifications
Education: Bachelor’s degree or equivalent in Electronics, Telecommunications, Computer Science, or a related discipline.

Experience:
Relevant years of relevant experience in IMS operations, engineering, or managed services.
Strong expertise in Ericsson core network environments.

Technical Skills:
Ericsson IMS products (CSCF, MTAS, SBG, UDM, ENUM, etc.).
Virtualization / Cloud: vEPC, VNFs, NFVI, OpenStack, Kubernetes
Domain Knowledge:
GSM, GPRS, WCDMA, LTE, 5G Core (NSA/SA)
Signaling protocols: Diameter, SIP, GTP-C/GTP-U, HTTP/2

Ericsson

About Ericsson

The future of mobile isn’t on the horizon, it’s happening now. At Ericsson, we’re building the foundation for an open network ecosystem where industries, developers, and enterprises thrive.

The convergence of 5G, AI, cloud, and network APIs isn’t just a technological shift; it’s a transformation that is redefining industries and enhancing everyday life. Open, programmable networks are enabling real-time innovation and unlocking new business models across the globe.

Imagine a world where developers can dynamically access network capabilities on demand, where enterprises don’t just use connectivity but shape it. This isn’t a distant vision, it’s the ecosystem we’re creating today.

Collaboration fuels everything we do. By working across industries, we’re designing a future where connectivity isn’t just seamless. It’s intelligent, programmable, and transformative.

The shift is happening. Are you part of it?

Industry
Telecommunications
Company Size
10,000+ employees
Headquarters
Kista, SE
Year Founded
1876
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