EZECHI NWADURU
Application Support Engineer
Lagos, Nigeria
Email:-Phone: -
LinkedIn: www.linkedin.com/in/ezechi-nwaduru-b
PROFESSIONAL SUMMARY
Experienced Application Support Engineer with over 10 years in IT service management,
incident resolution, and application troubleshooting. Adept at managing Java-based
applications, Spring Boot, and debugging microservices in high-availability environments.
Strong background in incident management, monitoring, root cause analysis (RCA), and
automation to improve service capabilities. Proven ability to collaborate with cross-functional
teams to optimize system performance and ensure service continuity.
TECHNICAL SKILLS
Programming & Debugging: Java (Spring Boot, Spring Core), SQL, Python
Application Support: Incident resolution, RCA, service management (ITIL)
Monitoring & Tools: Fresh Desk, Fresh Service, Grafana, ELK Stack, Dynatrace,
AppDynamics
Middleware & Cloud: Kafka, RabbitMQ, AWS, Azure, Docker
Database Management: MySQL, PostgreSQL, MSSQL
Version Control & CI/CD: Git, Jenkins, Ansible
WORK EXPERIENCE
Nigeria Inter-Bank Settlement Systems PLC (NIBSS)
Senior Application Support Engineer
November 2019 - Present | Lagos, Nigeria
Managed Level 2 and Level 3 technical support for mission-critical applications,
ensuring 99.9% uptime.
Diagnosed and resolved Java application issues, including performance bottlenecks.
Implemented proactive monitoring solutions using Solarwinds Orion, AppDynamics,
Dynatrace, Grafana and ELK Stack to detect and resolve application failures before
impacting end users.
Spearheaded incident response & root cause analysis (RCA) for production issues,
reducing Mean Time to Resolution (MTTR) by 30%.
Collaborated with DevOps and development teams to implement permanent fixes and
automation solutions for repetitive support tasks.
Played a key role in ITSM implementation, streamlining ticketing workflows and SLA
compliance.
Participated in disaster recovery planning and execution, ensuring business continuity
in case of failures.
Pagatech Limited
Senior Operations / Application Support Analyst
April 2014 - November 2019 | Yaba, Lagos
Provided Level 2 support for enterprise applications, resolving over 1,000+ incidents
annually.
Led a team of application support engineers to handle escalations and major incidents.
Developed and maintained technical documentation and knowledge base articles to
improve self-service capabilities.
Collaborated with engineering teams to deploy new application updates while ensuring
backward compatibility.
KEY PROJECTS & ACCOMPLISHMENTS
Incident Reduction via Automation: Developed log analysis scripts to automate root
cause identification, reducing average troubleshooting time by 40%.
Cloud Migration: Assisted in migrating legacy applications to NUTANIX, optimizing
resource allocation and improving scalability.
Service Reliability Engineering (SRE) Implementation: Introduced proactive
monitoring practices using Prometheus and Grafana, AppDynamics, Dynatrace and
Solarwids Orion significantly improving MTTR and system reliability.
CERTIFICATIONS
ITIL Foundation Certificate – IT Service Management
NUTANIX Enterprise Cloud Administration
Certified Kubernetes Administrator (CKA) (In Progress)
edX Verified Certificate - Introduction to Computer Science
Microsoft Virtual Academy Certifications in C#, HTML5, CSS3, and JavaScript
Confluent Developer Skills for Building Apache Kafka
EDUCATION
University of Benin - Bachelor's Degree in Computer Engineering
TOOLS & TECHNOLOGIES
Incident Management: Fresh Desk, Fresh Service, Jira
Monitoring & Logging: ELK Stack, Prometheus, Dynatrace, AppDynamics, Solarwinds
Orion
Database Technologies: MySQL, PostgreSQL, MSSQL
Cloud & Containerization: NUTANIX, Docker