Nabil Ahmad
@nabilahmad
Experienced Production Support Engineer with a strong software engineering background.
What I'm looking for
With over 15 years of experience in production support and software engineering, I have honed my skills in managing and enhancing applications for large-scale enterprise environments and Fortune 500 clients. My expertise spans across various programming languages including Java, .NET, and Python, as well as database management with Oracle and SQL Server. I am dedicated to ensuring data integrity and system stability, which I achieve through meticulous monitoring and troubleshooting.
Throughout my career, I have successfully collaborated with cross-functional teams in Agile and DevOps environments, delivering timely enhancements and optimizing application performance. My commitment to operational efficiency is evident in my ability to automate recurring tasks and streamline workflows, significantly reducing manual errors and improving response times. I take pride in my ability to identify performance bottlenecks and implement effective tuning strategies, contributing to enhanced application reliability and customer satisfaction.
Experience
Work history, roles, and key accomplishments
Production Support Engineer
McKinsey & Company
Sep 2024 - Present (10 months)
Monitored and supported critical production environments running .NET, Java/J2EE, and Python applications integrated with SQL Server databases, ensuring continuous availability and adherence to SLA commitments. Automated daily operational tasks and incident workflows via custom UNIX shell scripts, Windows batch scripts, and Control-M jobs, enhancing support team productivity and reducing manual er
Senior Professional Programmer Analyst
Gainwell Corporation
Aug 2023 - Present (1 year 11 months)
Provided advanced production and development support for legacy financial systems written in C# and PL/SQL, ensuring reliability and accuracy across Oklahoma Healthcare Authority’s billing and reconciliation operations. Managed end-to-end change request lifecycle using ServiceNow, maintaining full traceability and documentation for audit compliance and smooth SDLC execution.
Software Engineer III
Toshiba Global Commerce Solutions
Oct 2022 - Present (2 years 9 months)
Engineered a Python-based automation framework to perform post-installation validation checks, dynamically triggering remediation scripts based on installation outcomes for improving deployment success rates. Provided 24/7 production support in a pager-duty rotation, ensuring fast response to system outages and POS disruptions for Walmart stores across North America, maintaining SLAs and uptime re
Senior Application Software Engineer
Centene Corporation
Jan 2022 - Present (3 years 6 months)
Partnered with business stakeholders to analyze and resolve issue tickets, developing custom data-driven enhancements for Portico app and Amisys Interface systems, ensuring accurate member data processing and timely feature delivery. Actively participated in 12-hour weekly pager duty shifts, quickly responding to production incidents, Dynatrace alerts, and stakeholder escalations; led bridge calls
Production Support Engineer
Deutsche Bank
Sep 2020 - Present (4 years 10 months)
Provided L2/L3 support for legacy Market Risk applications, ensuring real-time processing of incoming customer data and resolving issues rapidly to maintain business continuity and data integrity. Developed and deployed custom Geneos samplers to automate output validation and file comparison processes, significantly improving the accuracy of post-processing checks and reducing manual verification
Production Support Engineer
Walmart Labs
Jul 2019 - Present (6 years)
Delivered critical support for the Marketbasket team, managing and troubleshooting POS data file issues across Walmart and Sam’s Club locations to ensure timely and accurate data processing. Monitored real-time POS health data by querying and analyzing MongoDB logs across thousands of Walmart stores, enabling proactive resolution of recurring system issues and supporting incident pattern analysis.
Production Support Engineer
Sam’s Club
Nov 2018 - Present (6 years 8 months)
Proactively monitored and maintained enterprise message queues used across critical business apps to ensure seamless processing of electronic orders and email workflows; resolved errors involving failed message delivery or queue congestion. Prevented approximately $1.6M in potential losses by identifying and purging duplicated data records during a system anomaly, safeguarding financial accuracy a
Database Engineer
Paschal Corporation
May 2018 - Present (7 years 2 months)
Led secure development practices by leveraging Coverity to proactively identify, report, and remediate code vulnerabilities, improving the system’s compliance posture with internal and industry standards. Refactored and enhanced legacy reports and associated SQL queries, improving performance, accuracy, and maintainability across financial and operational datasets.
Java/.NET/SQL Programmer
Walmart Labs
Feb 2010 - Present (15 years 5 months)
Developed and maintained backend services for the GLS NextGen system using Java 1.8, ensuring seamless transmission of Pallet Move operations via trigger tables and automated processes using Oracle PL/SQL stored procedures and triggers. Led backend and frontend development initiatives for e-commerce web applications, contributing to full-stack features and integration with internal databases using
Education
Degrees, certifications, and relevant coursework
Wright State University
Bachelor of Science, Computer Engineering
Completed a Bachelor of Science in Computer Engineering. The curriculum focused on fundamental computer science principles and engineering applications.
Grove City College
Bachelor of Science, Electrical Engineering
Obtained a Bachelor of Science in Electrical Engineering. This program provided a strong foundation in electrical systems and their applications.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Job categories
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