Summary
Overview
Work History
Education
Skills
Certification
Accomplishments
Affiliations
Timeline
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Callistus Iwuagwu

Callistus Iwuagwu

Enterprise Application Analyst

Summary

As an experienced application analyst, I have a strong track record of improving business-critical applications and driving efficiency using technology. I use my strong analytical skills and passion for data to drive business outcomes as an Insight Analyst at a forward-thinking organization. I am skilled in analyzing and troubleshooting issues and have a proven ability to identify and implement solutions that improve system performance and user satisfaction.

Overview

9
9
years of professional experience
4
4
years of post-secondary education
4
4
Certifications
1
1
Language

Work History

Systems Administrator

IICD-University of Sheffield
01.2022 - Current
  • Led the new installation, configuring and administering the high-impact operating system of REDCap – a global, HIPAA compliant electronic data capture system
  • In support of business operations at the Department of Infection, Immunity and Cardiovascular Disease of the Medical School, University of Sheffield
  • Automated the data/media backup and recovery plan to ensure consistent data protection, reduce recovery windows on MySQL database, and improved business continuity
  • As the REDCap specialist, I provide technical support for researchers to effectively manage and analyze their data
  • I developed a series of design instruments and training materials to assist researchers in building and using REDCap databases efficiently
  • As a result of these efforts, researchers can significantly increase their productivity and more effectively plan their research projects
  • This also resulted in more accurate and reliable data, enabling researchers to make more informed decisions and achieve better outcomes
  • Continuously roll out testing of software upgrades and the implementation of new features, resulting in improved system performance and enhanced user satisfaction
  • Conducted thorough testing to ensure that new features were fully functional and met all specifications
  • Reviewed projects for proper user and role configurations to ensure compliance with security standards, contributing to the overall security of the system
  • These efforts enabled the successful rollout of new functionality and enhancements to REDCap
  • Ensure that data sets are built in a way that they would respond correctly for analysis, providing application support guidance to team members as needed which contributed to the accuracy and reliability of our data sets, enabling more effective analysis and decision-making.

Lead Enterprise Application Analyst

Access Bank Plc
07.2018 - 09.2021
  • Provided leadership and support for a team of 5 members, resulting in improved team performance and a more positive work environment
  • My guidance on best practices and support for professional development through training and feedback contributed to the team's increased efficiency and productivity, and ultimately to the success of the team and the organization
  • Successfully led the team on an integration project to align and integrate several Diamond Bank internally built applications with Access Bank, resulting in improved efficiency and effectiveness
  • Managed all aspects of the project, including coordinating with cross-functional teams and stakeholders, and ensuring that the project was completed on time which contributed to the overall success of the project and organization
  • Successfully liaised with R&D, QA, and IT governance to ensure deployment processes were documented, repeatable, and smooth
  • Identified and addressed any issues or challenges, contributing to the successful rollout of new software releases and updates
  • Provided efficient first level technical support for various enterprise applications and our internally developed payment gateway API merchant service
  • This resulted in improved uptime, customer transactions, and satisfaction, leading to a significant increase in the use of the payment gateway service and improved revenue for the e-banking team
  • Successfully designed and implemented high availability application environments, resulting in improved uptime and system performances
  • Utilized best practices and industry standards to ensure reliability and resilience and worked closely with cross-functional teams to ensure smooth deployment which helped to provide a consistently high level of service to its users
  • Developed SQL scripts to monitor API services for transactions and ensured availability, resulting in improved system monitoring and uptime
  • Utilized my expertise in SQL and database administration to design and implement effective monitoring scripts and worked closely with cross-functional teams to resolve issues
  • These efforts contributed to the overall reliability and performance of the service.

Application Support

Skye Bank Plc
09.2013 - 06.2018
  • As the support specialist for Flexcube12.0 Banking Application, I provided timely and effective resolution to technical service to ensure that users were able to utilize the application effectively
  • This significantly reduced the number of unresolved service issues and improved overall user satisfaction with the application
  • Improved end-of-day (EOD) processing timing
  • I implemented several innovative solutions, including automating manual processes and optimizing database queries, which resulted in a significant reduction of EOD time and increased the overall reliability of the system.

Education

MSc - Big Data Analytics

Sheffield Hallam University

BSc - Statistics

University of Nigeria
09.2007 - 08.2011

Skills

    Data analysis: Extract, manipulate, and analyze large datasets using software tools

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Certification

Linux ORACLE SQL and Database Administration

Accomplishments

  • Collaborated with team of Developers in the Implementation of Access Bank- Diamond Bank Merger.
  • Achieved re-engineering automation by introducing innovative ideas for in-house payments.
  • Collaborated with team of developers in the development of Access Pay.
  • Automated the backup and notification schedule for REDCap Data.

Affiliations


  • British Computer Society

Timeline

Systems Administrator

IICD-University of Sheffield
01.2022 - Current

Lead Enterprise Application Analyst

Access Bank Plc
07.2018 - 09.2021

Application Support

Skye Bank Plc
09.2013 - 06.2018

BSc - Statistics

University of Nigeria
09.2007 - 08.2011

MSc - Big Data Analytics

Sheffield Hallam University

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Callistus Iwuagwu Enterprise Application Analyst