Job Title: SSP Care Lead
City: Yokohama
State/Province: Kanagawa-ken
Posting Start Date: 8/7/26
Wipro Limited (NYSE: WIT, BSE: 507685, NSE: WIPRO) is a leading technology services and consulting company focused on building innovative solutions that address clients’ most complex digital transformation needs. Leveraging our holistic portfolio of capabilities in consulting, design, engineering, and operations, we help clients realize their boldest ambitions and build future-ready, sustainable businesses. With over 230,000 employees and business partners across 65 countries, we deliver on the promise of helping our customers, colleagues, and communities thrive in an ever-changing world. For additional information, visit us at www.wipro.com.
Role : Care L2/Operations Engineer- Subscriber & Signalling
Job Details : We are primarily looking for a resource with prior knowledge in managing and
troubleshooting Subscribers & Signalling/SDM Nodes on Telco Clouds.
Skills:
Technical
Perform health checks and troubleshooting from the logs captured and provide solutions within the SLA
Should have exp. in resolving different issues related to Node Reachability, FM/PM and other KPI's.
Should understand troubleshooting tools like Wireshark etc.
Good working experience in Linux, VMWare, Dockers & Containers, OpenStack, OpenShift
Should understand the Cloud environment and understanding of how S&S solution/Nodes are deployed on cloud.
Domain:
Working knowledge on Subscriber & Signalling Nodes like -AAA, One NDS, SDL (Shared Data Layer), Registers (HLR/HSS, UDM/AUSF), One-EIR, SCP, CSD, STP, U-DRA, NPC, EIR etc.
Should have deep knowledge of 4G and 5G call flows- Candidate should have end to end understanding of Subscriber & Signalling domain
Candidate should have prior experience in Maintaining and troubleshooting Subscriber and Signalling nodes, Analyse the logs, performing RCA and share Reports within the agreed SLA.
Roles & Responsibilities
Own end-to-end L2/L3 operations for Subscriber and Signalling/SDM/SDL solutions on Telco Cloud (4G/5G) platforms, ensuring service availability and stability.
Lead advanced troubleshooting of complex subscriber and signalling issues using logs, alarms, KPIs, and protocol analysis tools such as Wireshark, ensuring resolution within SLA.
Handle critical issues related to node reachability, FM/PM alarms, performance degradation, and service impact, and coordinate recovery actions during major incidents.
Perform detailed Root Cause Analysis (RCA) for recurring and high-impact issues, propose corrective and preventive actions, and present reports to customers and internal stakeholders.
Work extensively on Linux and cloud environments (VMware, OpenStack, OpenShift, Docker/Containers) to support troubleshooting, maintenance, and operational activities.
Provide deep operational expertise on Subscriber & Signalling nodes such as AAA, One-NDS, SDL (Shared Data Layer), HLR/HSS, UDM/AUSF, SCP, STP, One-EIR, NPC, CSD, etc.
Apply strong understanding of 4G and 5G call flows and subscriber signalling procedures while diagnosing and resolving customer-facing issues.
Act as a technical escalation point for L1/L2 teams and collaborate closely with engineering, deployment, and vendor teams for complex problem resolution.
Mentor and guide junior engineers, review their troubleshooting approach, and support skill development within the operations team.
Drive operational improvements, including SOP updates, automation opportunities, and proactive monitoring strategies.
Communicate effectively with customers and internal teams, providing clear status updates, incident communications, and technical explanations during normal operations and outages.
Relevant Experience
5+ years of overall experience, with a minimum of 2 years in the Subscriber & Signalling domain
Strong communication, team handling, analytical, and presentation skills
Mandatory Skills: Telecom 5G Wireless OAM SW .
Experience: 5-8 Years .
Reinvent your world. We are building a modern Wipro. We are an end-to-end digital transformation partner with the boldest ambitions. To realize them, we need people inspired by reinvention. Of yourself, your career, and your skills. We want to see the constant evolution of our business and our industry. It has always been in our DNA - as the world around us changes, so do we. Join a business powered by purpose and a place that empowers you to design your own reinvention.
