Nkosu Yannick Akumbu

Nkosu Yannick Address: Yaoundé, Cameroon Email:-Mobile: (- LinkedIn: https://www.linkedin.com/in/nkosu-yannicka Professional Experience DevOps / Cloud engineer JJ Tech Inc, Maryland / Remote From September 2022 to Present - Implemented and managed AWS CloudWatch monitoring systems integrated with SNS notifications; minimized system downtime by 50% and improved overall performance by addressing critical changes. - Streamlined development processes by implementing Jenkins-based CI/CD pipelines integrated with GitHub, enabling automated builds and deployments across multiple environments (Dev, Stage, Prod); accelerated software delivery by 40% and ensured consistent code quality. - Structured key enhancements such as optimizing volumes & EC2 instances as well as creating multiple VPC instances which increased the overall speed by 35%. - Led the development of 12 database projects for one of the company’s largest clients with on-time delivery and 13% under budget completion. - Architected and introduced Dev/Stage environments in AWS (VPC, subnets, security groups, EC2 instances, load balancer, RDS, route53). - Collaborated in the creation of policy/procedures to detect, control and protect the network against access by compromised devices. This lowered the level of compromised device network access by 80%.; AWS Solutions Architect Freelance, Remote From July 2018 to September 2022 - Coordinated in the implemented security best practices in AWS including multi factor authentication, role-based permissions, enforced strong password policy, configured security groups and NACLs, S3 bucket policies and ACLs. Optimized cost through reserved instances, selection and changing of EC2 instance types based on resource need leading to a 30% reduction in cost. Redesigned auto scaling groups to right-size EC2 pools to match the level of demand and help manage cost by eliminating the excess capacity to maintain optimal resource levels leading to increase in efficiency by 30%. Eliminated single point of failure in production architecture designs by deploying server instances across two or more isolated AZs based on our customer’s actual resiliency, availability, and latency requirements Provisioned and deployed AWS infrastructure using Terraform and Cloud Formation increasing delivery by 60%. Automated life cycle management for data in s3 to live and cycle within s3 buckets classes based on resiliency and usage pattern requirements thereby minimizing cost by 30%. Instituted AWS Organization to centrally manage multiple AWS accounts including consolidated billing and policy-based restrictions leading to increase in security and over 20% discount benefits from Amazon Generated CloudWatch alarm rules for operational and performance metrics for AWS resources and applications reducing down time by 50%. Education - University of Buea Buea, South West Region, Cameroon 2009 - 2013 Bachelor of Science, Mathematics and Computer Science Additional Skills - Fluent in English and French - Proficient in Microsoft office suite: MS Word, MS Excel, MS PowerPoint, MS Outlook, MS Access, MS Project - Cloud Orchestration / Automation: AWS CloudFormation, AWS Systems Manager, AWS SSM, Ansible, Docker, Jenkins, ECS, Terraform, Github - AWS Security: AWS Security Hub, AWS Guard Duty, AWS Shield, AWS Firewall Manager. - Monitoring and Event Management: AWS CloudWatch (Events and Logs), AWS SNS, AWS S3 - Governance and Compliance: AWS Config Rules, AWS Organization, AWS Control Tower, AWS Trusted Advisor, AWS Well-Architected Tool, AWS Budgets. - Network: VPC, TGW, IGW, NGW and Programming Languages: Bash, JSON, YAML, Python - Data Protection: AWS Certificate Manager, AWS KMS, Snapshot Lifecycle Manager, AWS Cloud HSM - Image and Patch: AWS SSM Patch Manager,