Abhay Singh

• Led global Technical Solution Lead for BSCS iXR4, Ericsson Billing product via Salesforce tool integration.
• Generated billing statements for sample checks, clarifying system-related inquiries.
• Handled customer issue, emergency, and PN issues related to BSCS and EB systems.
• Analyzed Oracle PL/SQL scripts to identify discrepancies and optimize performance.
• Managed a diverse team of engineers and analysts across multiple time zones.
• Ensured strict adherence to ITIL, ISO 27001, and enterprise security protocols.
• Streamlined project delivery timelines using Agile methodologies and automation tools.

• On-site CNS operation oversight Asiacell Telecom, Sulaymaniyah (CBiO 2.2) related to BSCS customization (Mar to Jun 2014).

• Oversaw operational processes for Grameen Phone Bangladesh after CBiO 3.0 implementation, earning regional ACE award for outstanding work.

Conducted training for GSCO Budapest resources on customer issue resolution for BSCS rating and billing.

Facilitated first-level support training to improve efficiency in handling billing inquiries.

• Facilitated comprehensive job training in Istanbul from 17th Dec to 23rd Dec 2017 and delivered LSV/DVA session for Ericsson TCRM18

• Collaborated with R&D teams in Biller Cluster and INV LSV for Ericsson Revenue Manager System.
• Conducted business use case analysis and prepared test cases during sprint planning.

• Performed comprehensive integration testing for Ireland Quartet customer, analyzing business use cases, preparing test cases, and documenting findings for customer review.

• Executed EB21 installation in containerized environment utilizing Helm chart.
• Upgraded DMF in containerized environment, verifying customer and contract creation, rating usage processing, billing, payment, and dunning.
• Conducted BUC verification and testing, escalating issues to design for resolution within current sprint.
• Collaborated with architecture, security, and procurement teams for budget planning and vendor management.
• Developed reporting dashboards using Power BI for real-time project tracking.

• Monitored failed provisioning cases daily to meet customer requirements.

• Executed SIM provisioning for approximately 20 million users across India pre-launch.
• Resolved errors post-SIM provisioning, reducing issues from 250,000 to 100-200.
• Managed mobile number portability (MNP) cases efficiently.
• Addressed CRBT error cases to ensure service reliability.
• Maintained comprehensive Document Management System reports.
• Oversaw IT operations, including OMS, activation, FTA, and CRM platforms.
• Administered application operations for AMDOCS CRM 7.5, SRM, CCC, HLR Live, and AMSS.
• Participated in full project lifecycle activities within SDLC and STLC frameworks.

• Analyzing and understanding user requirements through functional assessment