Data Entry Specialist

CHIZURUM AKPUNONU

(Database Administrator)

Phone: 832-***-****

Email: ********@*****.***

Location: Houston, TX

www.linkedin.com/in/chizurum-akpunonu-706b0310

PROFESSIONAL SUMMARY

Detail-oriented and highly skilled Database Administrator with over 7 years of experience in managing, optimizing, and scaling databases in AWS environments. Expertise in Amazon RDS, DynamoDB, Aurora, and other AWS database services. Proficient in database migration, performance tuning, backup and recovery, and disaster recovery. Proven ability to collaborate with cross-functional teams to ensure seamless database operations and availability:

8+ years of experience in the field of Database Technology with experience in designing, developing, and implementing different Database technologies

Experience in AWS designing, architecting, developing, scaling, and improving data platform and its services.

Enabling Load Balancing in Multi-Tier Architecture.

Import/Export and Expdp/Impdp utilities.

Design, architect, develop, scale, and improve data platform and its services.

Strong experience migrating applications of various technology stacks (LAMP, C++, Make, RPM, Linux, and Windows OS) from OnPrem to Cloud using a hybrid cloud infrastructure.

Strong application development background experience including Architecting, Designing, Developing, and Implementing the required features.

AWS Cloud experience in Containers (Docker, Kubernetes), DevOps and other AWS services.

Working experience with computing web services (e.g., AWS EC2, AWS S3, AWS RDS, and AWS CloudFront) directly with customers and ecosystem of system integrators and solution providers.

Experience with monitoring and alerting using AWS services.

Implement real time streaming, batch and near real time data movement design patterns, lead a team of engineers in best practices in ELT and data storage.

Worked extensively in migrating on-prem Oracle dbs to AWS.

Worked on AWS DMS for migrating MySQL and Oracle databases.

Extensive experience in building complex cloud-based solutions.

Designing, implementing, and processing application software from product design, testing and modification.

Generally, possess strong analytical, creative, problem-solving, and critical thinking skills. I am a very detail-oriented team player, and consistently provide valuable suggestions and solutions in areas of software development and maintenance.

Experience with AWS databases (RDS, Aurora and PostgreSQL).

Experience in migration of document storage to AWS S3.

Experience in network integration and Cloud connectivity of public and private environments; ingress and egress of data to and from AWS.

Provided technical leadership on application delivery for strategic projects including design, development and implementation of application and business services.

Support database provisioning and maintenance to accomplish task objectives.

Used TKPROF utility and explain plan for tuning SQL queries.

Experience in regular DBA activities such as Upgrades, Patches, TAR support, Cloning, Backups and Recovery Manager, Performance Tuning, Capacity Planning, and documentation.

TECHNICAL SKILLS

Database Platforms: Amazon RDS, Amazon Aurora, Amazon DynamoDB, PostgreSQL, MySQL, Vitess, SQL Server, Oracle

Cloud Platforms: Amazon Web Services (AWS), EC2, S3, IAM, VPC, CloudFormation

Tools: AWS CloudWatch, AWS Lambda, CloudTrail, DMS (Database Migration Service), CloudEndure, AWS Backup, Redshift

Scripting: SQL, Python, Shell Scripting

Monitoring & Backup: AWS CloudWatch, RDS automated backups, Snapshots, and Point-in-Time Recovery

Security: IAM policies, SSL, encryption at rest and in transit, VPC peering, security groups

Performance Tuning: Query optimization, Indexing, Partitioning, and Replication

Other: AWS CLI, Terraform, Jenkins, Git, GitLab

PROFESSIONAL EXPERIENCE

Database Administrator

Trinity, Houston, TX

March 2019 – Present (Remote)

Manage and optimize AWS RDS databases, including MySQL, PostgreSQL, and Aurora, ensuring high availability, backup, and recovery operations.

Implemented performance tuning measures, improving query response times by 30% across key production databases.

Lead the migration of on-premises databases to Amazon RDS, reducing downtime by 15% and improving overall performance.

Utilized AWS CloudWatch and CloudTrail to monitor and log database activity, resolving potential issues before they affected customers.

Collaborate with developers and system admins to design and implement cloud-native solutions, utilizing DynamoDB and Redshift for large-scale data operations.

Managed cross-region database replication using Amazon Aurora Global Databases for disaster recovery and geo-redundancy.

Conduct regular vulnerability assessments and ensure databases are secured with AWS encryption methods and IAM roles. Migrated on-prem oracle, MySQL dbs to AWS cloud – EC2, RDS.

Configured new relic tool for monitoring AWS and on-prem dbs.

Monitoring of tablespaces, memory structures, rollback segments, logs, and alerts.

Facilitate joint planning activities with stakeholders to develop a combined project schedule.

Develop and manage the project plan including the schedule of activities and deliverables/artifacts.

Strong experience in analyzing, architecting, designing, installing, configuring, administrating, operating, monitoring, following the standard maintenance of databases.

Experience with Migration, Backup & Disaster Recovery.

Comfortable working with AWS CLI and knowledge of JSON and/or PowerShell scripting experience deploying dedicated infrastructure vs shared as well as identifying best instance type based on project requirements. Experience with java, J2EE technologies, Database, Web Services (SOAP and REST), Spring Frameworks, Spring Boot, Spring Integration, Spring Cloud Services, Microservices and Messaging architectures.

Good understanding of Azure Policy Management, Azure Monitor, Azure Backup and Recovery Services.

Proven understanding of micro-services-oriented architecture and extensive REST APIs.

Experience designing, developing, and deploying web applications, including configuration, installation, maintenance, and site-specific web development languages and relational databases.

Familiar with relational data concepts and database platforms like dimensional modelling, referential integrity, and platforms like MS SQL, Oracle, or Snowflake.

Hands-on experience with data engineering concepts and the associated AWS services (S3, Glue, Lambda, RDS, DMS, EMR, DynamoDB etc.)

Experience in CloudFormation stacks.

Experience using web development and graphic tools, as well as web servers and database administration design, architect, develop, scale, and improve data platform and its services, support and improve the continuous integration/delivery pipelines for the services and job implement large-scale high-throughput solutions using on-premises and cloud technologies such as Spark on Hadoop/Hive/S3, AWS Lambda, Terraform, Kubernetes, etc.

Diagnosing and debug issues in development, staging and production environments.

Collaborate with product/program managers, software developers and analysts in an open, creative environment. Platform automation experience with Terraform, Ansible, ARM.

Implement AWS Auto Scaling for monitoring EC2 instances

Configure confidential Virtual Private Cloud.

Implement high level Security Groups to control an inbound and outbound traffic.

Infrastructure services such as but not limited to EC2, Route53, Workspace, CloudWatch, CloudTrail, Automation Deployment, RDS, Lambda, IAM & Governance, EBS Storage & Snapshots replication, Tagging, VPCs, Security Groups, Load Balancers, VPN Gateway, Data and Server migrations, Cloud Endure, and AWS CLI.

Database Administrator

TALKE, Baytown, TX

January 2017 – March 2019

Administered SQL Server, MySQL, and PostgreSQL databases on AWS EC2, ensuring optimal performance and uptime.

Performed routine database maintenance including patching, upgrades, backups, and performance optimization.

Designed and implemented automated backup solutions using AWS Backup and RDS Snapshots.

Worked closely with application teams to ensure database schema and index optimizations were aligned with application needs.

Managed SQL Server Always On Availability Groups for high availability and disaster recovery.

Implemented database monitoring and alerting through CloudWatch, reducing downtime.

EDUCATION

Software Engineer

Master of Divinity

(Regent University, Virginia Beach, Virginia USA)

CERTIFICATIONS

AWS Certified Solutions Architect – Associate

PROJECTS

AWS Database Migration Project

Led the migration of on-premises databases to AWS RDS, minimizing downtime and data loss during the transition.

Automated database migration processes using AWS Database Migration Service (DMS), reducing migration time by 30%.

High Availability Database Setup

Designed a highly available MySQL database architecture on AWS using Amazon RDS Multi-AZ deployments and automatic failover, achieving 99.99% uptime.

Exploratory Data Analysis (EDA)

Data Cleaning

PROFESSIONAL DEVELOPMENT

Attended AWS Training and Certification – Skill Builder, focusing on cloud-native databases, storage solutions and architecture.

Regularly contribute to database administration forums on AWS best practices.

REFERENCES

Available upon request.

Contact this candidate