Summary
Overview
Work History
Education
Skills
Certification
Languages
Timeline
Generic

DIVINE MABU

GREENBELT,MD

Summary

Senior AWS Solutions Architect.|Cloud Infrastructure and DevSecOps Expert.

Results-driven AWS Certified Solutions Architect with over 9 years of experience designing, implementing, and optimizing secure, highly available, and cost-effective cloud solutions. Proven track record of delivering scalable infrastructure by leveraging a broad range of AWS services, including EC2, S3, VPC, IAM, Lambda, RDS, CloudFormation, and more. Adept at Infrastructure as Code (IaC) using CloudFormation templates, JSON, Bash, and Python, along with CI/CD automation to streamline deployments. Skilled in architecting microservices-based systems, deploying containerized applications, and enforcing DevSecOps practices aligned with the AWS Well-Architected Framework. Strong background in improving system resilience, reducing operational overhead, and ensuring security compliance through innovative, cloud-native approaches.

Overview

11
11
years of professional experience
1
1
Certification

Work History

AWS Solutions Architect

Tata Consultancy Services
Edinson, Edinson, NJ
09.2021 - Current
  • Multi-Account Architecture Design: Designed and implemented a secure multi-account AWS strategy using AWS Organizations, Control Tower, and Landing Zone, improving security posture by 40% and enabling proper resource isolation for different environments.
  • Serverless Application Architecture: Architected serverless solutions using Lambda, API Gateway, and DynamoDB that reduced operational costs by 35% while improving scalability and eliminating server management overhead.
  • Secure Network Infrastructure: Designed and deployed complex VPC architectures with public/private subnets across multiple Availability Zones, implementing security groups, NACLs, and AWS WAF to protect against common web exploits, and provide defense in depth.
  • High-Availability Database Solutions: Implemented multi-AZ RDS deployments with read replicas and automated backups, achieving 99.99% availability, and reducing database response times by 45%.
  • DevSecOps Pipeline Implementation: Built CI/CD pipelines using AWS CodePipeline, CodeBuild, and CodeDeploy, with integrated security scanning, reducing deployment time by 60% while ensuring security controls were tested before production deployments.
  • Disaster Recovery Strategy: Designed and implemented cross-region disaster recovery solutions using S3 cross-region replication, AMI copying, and CloudFormation templates, achieving an RPO of 15 minutes and an RTO of 1 hour.
  • Cloud Cost Optimization: Implemented resource tagging, right-sizing strategies, and automated shutdown schedules that reduced monthly AWS spending by 30%, while maintaining performance requirements.
  • Infrastructure as Code: Automation: Developed comprehensive CloudFormation templates and custom Lambda functions that automated infrastructure provisioning, reducing environment setup time from days to hours, and eliminating configuration drift.
  • Security Compliance Framework: Implemented AWS Config, Security Hub, and GuardDuty for continuous security monitoring and compliance with industry standards, achieving successful security audits with zero critical findings.
  • Microservices Architecture Migration: Led the migration from monolithic applications to containerized microservices using ECS and Lambda, improving deployment frequency by 300% and system scalability.

AWS Solutions Architect| DevOps Engineer

Cdwconsultants
Chicago, IL
03.2018 - 09.2021
  • Cloud-Native Application Architecture: Architected and implemented cloud-native solutions, leveraging AWS managed services, reducing operational overhead by 55%, and improving application reliability.
  • Infrastructure as Code Framework: Developed a comprehensive CloudFormation template library with version control in CodeCommit, enabling consistent and repeatable infrastructure deployments across multiple environments.
  • Automated Deployment System: Created automated CI/CD pipelines with built-in security testing that reduced deployment times from days to minutes, while ensuring consistent security checks throughout the process.
  • Global Content Delivery Architecture: Designed and implemented CloudFront distributions with S3 origins and Lambda@Edge functions, reducing global latency by 65% and improving user experience.
  • Data Lake Implementation: Architected a data lake solution using S3, Athena, and Glue that consolidated disparate data sources and enabled self-service analytics, reducing time to insight by 70%.
  • Encryption and Data Protection Strategy: Implemented comprehensive encryption strategies for data at rest and in transit using KMS, SSL/TLS, and IAM policies, ensuring compliance with data protection regulations.
  • Multi-Region High Availability Design: Designed active-active multi-region architectures with Route 53 health checks and failover routing policies, achieving 99.999% application availability.
  • IAM Security Framework: Developed a least-privilege IAM framework with custom roles and policies, reducing the attack surface, and ensuring appropriate access controls across all AWS resources.
  • Containerization Strategy: Implemented Docker containerization for applications and designed deployment strategies using ECS, improving resource utilization by 40% and deployment consistency.
  • Database Migration and Optimization: Led the migration from on-premises databases to Amazon RDS and Aurora, implementing performance optimizations that improved query response times by 60%.

Help Desk Technician

Serco Global Services
Khalidiya, Abu Dhabi
11.2013 - 06.2016
  • System Administration: Managed and maintained Windows and Linux systems, implementing security patches and updates to ensure system integrity and compliance.
  • Network Infrastructure Support: Configured and troubleshot network connectivity issues, ensuring reliable access to critical business applications.
  • Endpoint Security Implementation: Deployed and managed endpoint security solutions, reducing security incidents by 40% through proactive threat detection.
  • IT Service Management: Optimized the helpdesk ticketing system and implemented SLAs, improving response times by 50% and customer satisfaction scores.
  • Disaster Recovery Planning: Contributed to disaster recovery planning and testing, ensuring critical systems could be restored within defined RTO/RPO objectives.
  • User Training and Documentation: Created comprehensive technical documentation and conducted training sessions for end-users, reducing common support tickets by 35%.

Education

Bachelor of Science - Computer And Information Sciences

University Of Douala
Cameroon
10-2013

Skills

Category

Skills

Cloud Platforms

AWS Services: EC2, S3, VPC, RDS, Aurora, Lambda, CloudFront, CloudTrail, CloudWatch, CloudFormation, API Gateway, Route 53, SNS, SQS, SWF, Kinesis, SSM, IAM, Athena, WAF, Bastion Host, Direct Connect

DevOps/IaC

Terraform, CloudFormation, Ansible, Git, CodeCommit, JSON, YAML, CI/CD Pipelines, Automated Deployment, Infrastructure Automation, Microservices, Docker, and Containerization

Security

VPC Security Groups, NACLs, WAF, IAM Policies, Encryption (KMS, SSL/TLS), VPC Endpoints, PrivateLink, Security Compliance, Data Protection, Threat Detection

Networking

VPC Design, Subnets, Routing Tables, Internet Gateways, VPC Peering, Transit Gateway, Direct Connect, VPN, CIDR Blocks, TCP/IP, Load Balancing

Programming

Python, JSON, Bash, Perl, Lambda Functions, API Integration, Automation Scripts

Operating systems

Amazon Linux, Amazon Linux 2, Ubuntu, RHEL, Windows Server 2008/2016

Certification

  • AWS Certified Solutions Architect - Associate
  • AWS Certified Cloud Practitioner
  • Private Security Business Department (PSBD)
  • National Security Institute, Abu Dhabi (NSI)

Languages

English
Native/ Bilingual
French
Professional

Timeline

AWS Solutions Architect

Tata Consultancy Services
09.2021 - Current

AWS Solutions Architect| DevOps Engineer

Cdwconsultants
03.2018 - 09.2021

Help Desk Technician

Serco Global Services
11.2013 - 06.2016

Bachelor of Science - Computer And Information Sciences

University Of Douala
DIVINE MABU