This role involves end-to-end ownership of IMS domains across Ericsson and Nokia networks, focusing on design, troubleshooting, and service assurance while ensuring network stability and compliance.
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
You Will Bring
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
"All academic credentials must be from recognized and accredited institutions and are further subject to verification."
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) ||
Req ID: 780942
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
"All academic credentials must be from recognized and accredited institutions and are further subject to verification."
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) ||
Req ID: 780942
Ericsson Kolkata, West Bengal, IND Office
Ericsson Kolkata Hub Office
Planned smart‑green New Town with wide roads, parks and malls, minutes from the airport and close to Salt Lake’s IT hub. Eco Park and business parks like Ecospace add leisure and convenience for families and professionals.
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