Middleware Engineer

AA

ADEBIYI ADENUGA

*******.*******@*****.*** 678-***-**** Douglasville, GA 30135

DevOps engineer specializing in IT operations transformation through automation and reliability enhancements. Demonstrated success in deploying scalable systems on cloud platforms and optimizing CI/CD pipelines for improved deployment efficiency. Expertise in bridging development and operations to streamline workflows and enforce best practices in security and scalability.

• WebLogic administration

• JDBC management

• Apache HTTP server configuration

• Linux and Docker

• AWS cloud services

• Kubernetes and Git

• Terraform and CloudFormation

• CI/CD pipelines

• Ansible and Jenkins

• Prometheus monitoring

• Grafana visualization

• ELK stack management

• Virtual hosting

• LDAP security

• Tomcat setup

• Clear communication

Pishon Technologies Austell, United

States

Weblogic Administrator

01/2022 - Current

Installed, configured, and administered WebLogic Server 10.3 and 12.2.1 in production settings.

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Managed WebLogic administration across diverse environments, including Red Hat Enterprise Linux and Windows.

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Supported production environments on UNIX and Linux platforms, ensuring system reliability and performance.

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Utilized WebLogic Server administration console to oversee deployment parameters for production.

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Efficiently managed WebLogic server clusters comprising 15 servers across multiple machines.

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Installed, configured, troubleshot, tuned performance, and deployed applications in non-production scenarios, enhancing development workflows.

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Acquired extensive knowledge in middleware services, including JMS and SSL certificates, facilitating secure and efficient WebLogic operations.

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Conducted performance analysis and resolved issues through thread dump and heap dump evaluations.

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IBT Learning Fort Worth, United States

DevOps Intern

11/2023 - 03/2024

Facilitated real-time Blue-Green Deployment with ArgoCD and Argo Rollout, enhancing deployment reliability.

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Streamlined application deployment processes with Helm and Terraform automation.

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Summary

Skills

Experience

Deployed the Springboot Petclinic application to DigitalOcean Kubernetes

(DOKS).

•

Created and released an EKS Cluster module on GitHub and Terraform Cloud.

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Orchestrated database migration from on-premises to AWS RDS using AWS Database Migration Service and Terraform.

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Executed canary deployment with Istio service mesh, minimizing risk during application updates.

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Conducted AKS Cluster upgrades using AZ CLI, ensuring zero downtime for applications.

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Upgraded EKS Clusters via the management console with no downtime, and utilized EKSCTL for provisioning and upgrades.

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• Automated AWS tasks and services using AWS SDK for Python Boto3. Developed a Full Stack Employee application with a Spring Boot backend, React frontend, and AWS RDS MySQL Database.

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Lagos State Government Lagos, NG

WebLogic Administrator

03/2021 - 12/2021

Installed, configured, and administered WebLogic Server 10.3 on Red Hat Linux 5/6.

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Developed WebLogic domains from scratch by installing and configuring WebLogic Server.

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• Configured domains to optimize performance and enhance reliability.

• Established clustered environments to ensure high availability of services. Configured JDBC connection pools and data sources with Oracle and BEA Type 4 drivers for reliable database connectivity.

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Set up JMS resources to support clustering and ensure high availability of messaging services.

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Executed installation and configuration of Apache HTTP 2.0 for web services.

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DIRECTV Phoenix, United States

System Engineer

03/2019 - 12/2020

Administered WebLogic in heterogeneous environments including SUN Solaris 8.0, 10.0, Red Hat Enterprise Linux 3.0/4.0/5.0, Windows NT/2000/XP, and HP-UX Itanium 11.23.

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Managed installation, server configuration, deployment, and performance tuning of BEA WebLogic Server 11g/12c, ensuring reliable application performance.

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Installed, configured, and administered WebLogic Server 10.3 on Red Hat Linux 5/6 and Windows Server 2008 in non-production environments.

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• Deployed J2EE applications/components on BEA WebLogic 10.3/11g. Worked extensively as a BEA WebLogic administrator for server configuration, component deployment, performance tuning, troubleshooting, and maintenance.

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Identified memory leaks, adjusted JVM heap sizes, and optimized garbage collection parameters to enhance application stability.

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Investigated and resolved performance issues by analyzing thread dumps, GC values, and heap dumps, contributing to overall system reliability.

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Pacific Systems Atlanta, United States

Oracle DBA

04/2018 - 01/2019

• Managed tablespaces, data files, redo logs, tables, and segments. Maintained data integrity, managed profile resources, and ensured password security.

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• Administered user accounts, privileges, and roles. Conducted user password analysis, identifying and rectifying weak passwords to enhance security.

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• Performed RMAN backup and recovery.

Monitored, troubleshot, and tuned databases, ensuring optimal performance and reliability.

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Developed and deployed SQL scripts and packages for routine database administration using SQL Plus, NT script, and UNIX shell script.

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Administered and managed Oracle instances using custom scripts and Oracle Enterprise Manager (OEM) Database Control.

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Implemented changes to development and production databases based on developer requests.

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Installed and configured Oracle Enterprise Manager 11g Control Utility using Database Configuration Assistant (DBCA).

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Analyzed system events, wait states, and lock and latch activities, implementing corrective actions to maintain database stability.

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Utilized Oracle's optimizer, including the AUTOTRACE facility, cost-based SQL optimizer (CBO), and execution plan hints.

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Configured database environment for optimal performance. and configured Automatic Shared Memory Management (ASMN).

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Conducted periodic backup, restoration, and recovery using RMAN (full and incremental) and RMAN incrementally updated backup.

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Utilized Oracle 11g Flashback features to ensure a 5-day retention time for any object removed from the production database.

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Performed recovery from missing or corrupted data files, redo log groups, control files, and block corruption.

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STATE POLYTECHNIC ABEOKUTA

BUSINESS ADMINISTRATION

• Certified DevOps Engineer Advanced, IBT Learning

• Certified DevOps Engineer-Professional, IBT Learning

• OCA, Oracle Database Administration 11g

Title: DevOps Engineer

Education

Certifications

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