Liman Alhassan

I am an experienced DevOps Engineer with extensive hands-on experience working exclusively with AWS and Azure, Terraform and Kubernetes. I bring proficiency in bash and have expertise in building and managing CI/CD pipelines, leveraging infrastructure as code tools like Terraform, and implementing containerization using Docker and Kubernetes. My knowledge extends to networking, storage, and security concepts within cloud environments. With a strong commitment to quality and best practices, I am passionate about driving efficient and well-structured cloud computing solutions. I am self-motivated, dedicated to continuous learning, and possess excellent problem-solving and analytical skills.

Nov 2022 – Present               DevOps Engineer

      Aristocrat/Anaxi

• Designed and implemented automated software builds, testing infrastructure, and deployments using Kubernetes, Docker, Helm, Kustomize, and AWS and Azure.
• Spearheaded AWS services utilization including EC2, S3, RDS, and Lambda, demonstrating 3 years of exclusive experience with AWS.
• Proficiently managed Linux administration tasks, including troubleshooting network and volume issues, to ensure a stable environment.
• Contributed to CI/CD processes by leveraging tools like ArgoCD, GitHib Actions and Terraform.
• Implemented monitoring solutions for application health using tools like DataDog and Kubernetes observability features.
• Collaborated with cross-functional teams to enhance deployment efficiency and facilitate onboarding of customers.
• Managed cloud infrastructure on AWS, including EC2 instances, RDS databases, S3 buckets, EKS, and ECS.
• Leveraged AWS services such as EC2, S3, RDS, and Lambda for building scalable and reliable infrastructure.
• Utilized kubectl for day-to-day cluster operations, including scaling, rolling updates, and troubleshooting.
• Developed and automated deployment scripts using configuration management tools (Ansible).
• Spearheaded the adoption of ArgoCD for continuous delivery, automating application deployment and ensuring consistency across environments.
• Championed security and quality best practices, contributing to efficient and resilient cloud solutions.
• Demonstrated expertise in troubleshooting by identifying and resolving issues within Kubernetes pods and services, contributing to efficient application performance.
• Single-handedly strengthen the security around VPC endpoints being used to externally exfiltrate data from external organizations.
• Deployed and managed multi-tier applications on Kubernetes clusters, utilizing Deployments, Services, and ConfigMaps to ensure high availability and fault tolerance.

Feb 2020 – Oct 2022               DevOps Engineer

        E-Clat Century Services

• Deployed applications like OpenIAM and REDCap using AWS, Kubernetes (EKS), and Terraform for efficient containerization.
• Managed multi-tier web applications on AWS using VPC, EC2, S3, RDS, CloudFront, and CloudWatch.
• Utilized Ansible playbooks for automation and infrastructure as code practices.
• Successfully orchestrated Docker containers and microservices using Docker Compose.
• Proficiently automated routine tasks using Bash scripts, Ansible playbooks, and GitHub Actions.
• Configured and maintained a LAMP stack architecture for highly available web applications.
• Practiced source code management on GitHub for efficient collaboration.
• Installed and administered Linux systems with Ubuntu and CentOS Servers
• Designed and managed public/private cloud infrastructures on AWS using VPC, EC2, S3, CloudFront, Elastic File System, RDS, Direct Connect, Route53, CloudWatch and CloudTrail.

Jul – Dec 2019                        Cloud Support Engineer – Amazon Web Services (AWS)

                                              Aledoy Solutions Limited

• Creating and modifying VPCs & security groups, as well as setting up EBS Volumes and EIP for EC2 instances. 
• Thoroughly monitoring network traffic to EC2 instances using VPC flow logs. 
• Implementing network segmentation using security groups, network ACLs and private subnets. 
• In charge of managing infrastructure deployment services, such as EC2, S3 and RDS engines. 
• Utilising IAM management to create and manage users, log managements, roles and group policy restrictions. 
• Designed and implemented Security best practices at Instance, Subnet and VPC levels to fortifying Cloud infrastructure. 
• Basic understanding of Serverless and Lambda; SQS, SWF, SNS, API Gateway, Kinesis and Cognito Applications.
• Configures serverless such as Fargate, SNS, SQS, EFS, EventBridge to support automatic scaling, built-in high availability, and a pay-for-use billing model to increase agility and optimize costs

Education:
Master of Science (MSc) in Mathematics
 University of Ilorin | 2019
 I have a postgraduate degree in Mathematics, reflecting advanced analytical and mathematical skills.

Bachelor of Technology (B.Tech) in Mathematics & Computer Science
 Federal University of Technology | 2014
 My undergraduate degree blends Mathematics and Computer Science, providing a solid foundation in both disciplines.

Additional IT Certifications:

• Certified Kubernetes Administrator (CKA)
   As a Certified Kubernetes Administrator, I possess the skills to effectively manage Kubernetes clusters and containerized applications.
• Certified Kubernetes Application Developer (CKAD)
   As a Certified Kubernetes Application Developer, I possess the skills to effectively deploy and design applications in Kubernetes Cluster.
• HashiCorp Certified: Terraform Associate (002)
   This certification showcases my expertise in Terraform, demonstrating my ability to automate and manage infrastructure.
• Linux Essentials
   My Linux Essentials certification indicates proficiency in Linux operating systems, a crucial skill for DevOps and IT roles.
• AWS Certified Cloud Practitioner
   This certification signifies my foundational knowledge of AWS cloud services and concepts.