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
