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Sergio MehraSM
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Sergio Mehra

@sergiomehra

Technical account management and post-sales implementation professional with a proven track record in client-facing technical roles.

United States
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PROFESSIONAL EXPERIENCE

Senior Analyst | Diebold Nixdorf | Jan 2016 – Sep 2026

• Served as primary technical contact for Wells Fargo, Capital One, KeyBank, Citibank, and other clients supporting approximately 4,000 branches across North America; managed partner relationships from scoping through launch and post-launch support.

• Onboarded new clients and implemented incremental changes for existing clients.

• Created an in-house warehouse management system (WMS) that provided inventory control and integration with Dynamics GP, supporting field services, inventory, replenishment, shipping, and order management across multiple facilities and 500+ users.

• Built and managed availability, report card, SLA, KPI, and MTTR expectations.

• Resolved Level 3 production issues under time pressure, coordinating with internal engineering and operations teams and external partners.

• Prepared monthly operational reports (MORs) with external clients and internal support teams to review service performance, open issues, and follow-up actions.

• Applied RESTful API, web service, and EDI specifications, including Microsoft Graph API with OAuth authentication; used Postman and T-SQL to investigate, reproduce, and validate issues independently.

• Developed secure C# and ASP.NET MVC client portals with single sign-on (SSO), SQL Server, Telerik, and IIS web hosting; built automated daily, weekly, and monthly operational reports in PowerShell for operational and senior management.

• Architected large-scale Oracle and Microsoft SQL Server databases, including schemas, indexes, stored procedures, views, user-defined functions, jobs, triggers, and query optimization.

• Served as the development resource, delivering requirements, solution designs, and UAT through the full SDLC in Agile sprints, using Microsoft 365 Copilot to support development and documentation, and obtaining UAT signoff before release; communicated technical findings in engineering detail and executive summaries.

Experience

Work history, roles, and key accomplishments

Diebold Nixdorf logoDN

Senior Analyst

Aug 2025 - Sep 2026 (1 year 1 month)

Built an EDI solution for Capital One Bank, integrating NCR vision and Diebold Oracle Field Service systems. Managed business requirements, coding, solution architecture, JIRA sprints, implementation change controls, and production support.

HS

Technical Lead

HTX Services

Jan 2016 - Aug 2025 (9 years 7 months)

Built a service ticket EDI for major banking centers in North America. Created an in-house warehouse management system (WMS) and customer portals (CRM), and automated operational and ad-hoc reporting.

EI

Software Developer

ETRAN Inc.

Feb 2001 - Oct 2003 (2 years 8 months)

Built an ACH system for financial institutions and delivered an interactive voice response (IVR) solution. Provided Visual Basic and classic ASP web applications for the collection industry.

Education

Degrees, certifications, and relevant coursework

Queens College, City University of New York logoQY

Queens College, City University of New York

Bachelor of Computer Science, Computer Science

1986 - 1989

Pursued a Bachelor of Computer Science degree, with two classes remaining due to life events.

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