Satish Nagare
@satishnagare
Telecom OSS/BSS professional at TCS who led the transition of BT billing operations across 16 critical applications.
IndiaWhat I'm looking for
At Tata Consultancy Services, I supported BT Enterprise billing and payments operations across 16 critical applications, working on CDR flow validation, invoice accuracy, and payment issues. I also led the transition of the OUK Billing & Payments project from Cognizant to TCS.
At Tech Mahindra, I worked in BT Revenue Assurance and Data Integrity, validating telecom usage data and resolving billing and customer data discrepancies. My work has included business requirements and functional documentation, root cause analysis, and operational governance using ServiceNow and JIRA.
Experience
Work history, roles, and key accomplishments
Assistant Manager - OUK Billing & Payments
May 2023 - Sep 2025 (2 years 4 months)
Led end-to-end customer billing operations for BT Enterprise, covering 2.5M customers across 16 billing applications. Managed CDR lifecycle, billing validation, revenue assurance, and team leadership.
Managed end-to-end transition of OUK Billing & Payments project from Cognizant to TCS, including transition planning, knowledge transfer, documentation, and operational readiness.
Part of BT's Revenue Assurance operations team, responsible for validating, analyzing, and reconciling high-volume telecom usage data (CDRs) from network to billing.
Worked as an Associate Solution Designer in the BT Business Data Integrity team, responsible for identifying, analyzing, and resolving data mismatches across multiple OSS/BSS systems.
Provided end-to-end support for HLC cases using Bridge Clarify, analyzing and resolving issues across PSTN, Broadband, ISDN, and BT Sport products.
Education
Degrees, certifications, and relevant coursework
Pune University
Master of Computer Applications, Computer Applications
Master of Computer Applications (MCA) from Pune University.
NIIT, Pune
Diploma, Software Development
Diploma in Software Development from NIIT, Pune.
Jijamata College of Science & Commerce, Ahmednagar, Pune University
Bachelor of Science, Physics
Bachelor of Science in Physics from Jijamata College of Science & Commerce, Ahmednagar, Pune University.
Amazon Web Services (AWS)
AWS Certified Solutions Architect – Associate, Cloud Architecture
AWS Certified Solutions Architect – Associate certification obtained in March 2025.
Tech stack
Software and tools used professionally
Availability
Location
IndiaAuthorized to work in
Salary expectations
Social media
Skills
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