Summary
Overview
Work History
Education
Skills
Timeline
Generic

Oluwaseun Ajileye

New York,NY

Summary

Critical thinking DevOps Engineer with extensive understanding of high availability architecture and concepts. Purpose-driven professional with capacity to be strong team player plus work effectively independently.

Overview

6
6
years of professional experience

Work History

DevOps Engineer

GCB Services, LLC
02.2021 - Current


• Use terraform as code to provision infrastructure environment on AWS, Improved deployment process
within AWS, and developed application features.
• Setup repos for Git, merging code from develop branch to master branch to make it ready for
deployment.
• Design and implement CICD pipeline with Jenkins, integrate various tools, like Git, maven, java,
SonarQube, etc
• Integrated GitHub with Jenkins and scheduled Cron jobs periodically using poll SCM and wrote CI/CD
pipeline in Groovy scripts to enable automation of build and deployment using Jenkins.
• Assist in scaling infrastructure using DevOps best practices.
• Automate deployment to staging environment before manually deploying to production.
• Monitoring of servers using CloudWatch to ensure no downtime in application.
• Responsible for build and deployment automation using AWS, Docker Containers, Kubernetes.
• Build and maintain observability and alerting across application and infrastructure
• Automation of manual tasks using scripting like Bash, YAML
• Identify bottlenecks in the development process and implement solutions
• Work with developers to optimize applications for performance and scale
• Administer AWS resources and provide guidance on utilization
• Ensure we are releasing code safely, securely and frequently
• Investigate and adopt new technologies/tools as needs arise


• Active participant in scrum meetings, reporting the progress and maintain effective communication with each team member and manager.


Environment: AWS, Linux, Java, Maven, SonarQube, Jfrog, Jenkins, Shell scripting, Docker, Ansible, Kubernetes

AWS/Cloud Infrastructure Engineer (Contract)

Well Fargo
07.2019 - 01.2021

• Worked in Amazon management console to create and administer Users, Groups, Account Policies, Roles
on IAM
• Manually created EC2, Security Groups, Autoscaling Groups, Application Load Balancers, Launch
Templates, etc.
• Used Management Console to install requisite infrastructure such as S3 bucket, RDS, Route53 for CI/CD
deployment.
• Bootstrapped and initiated SSH connection that installed and managed services on Linux EC2: Apache
Tomcat, HTTPD
• Set up Life Cycle Policies for creation of new snapshots, deletion of old snapshots, to move data from S3
to Glacier, etc.
• Defined CIDR blocks, public subnets, private subnets, bastion host, IGW, Route Tables, to build VPC from
scratch
• Installed & configured IGW, Route Tables for public facing subnets and NAT for private-facing subnets on
AWS VPCs.
• Architected and implemented cloud solution for data migration from On-Prem to AWS Cloud.
• Provided engineering support towards the successful delivery of cloud project portfolio
• Configured and managed AWS Services including EC2, RDS, VPC, S3, Glacier, CloudFront, and Route 53
• Gained understanding of SQS, SNS, API Gateway, Kinesis and Cognito cloud services
• Implemented Security best practices at Instance, Subnet and VPC levels to secure cloud infrastructure
• Focused on attainment of high-availability, fault tolerance, and auto scaling using AWS CloudFormation.
• Assigned EIP, configured Health Checks, deployed RDS across multiple AZs for High Availability
Architecture
• Created virtual private cloud, VPC on AWS that supports DEV, TEST, and PROD environments.
• Configured NACL inbound and outbound rules to achieve network layer security on VPC.

Cloud Engineer (Intern)

The ITern LLC
03.2018 - 07.2019
  • Monitored the ON Premises servers and servers on the hosted services continuously to detect and investigate the problems before any Impact on the business
  • Created and configured instances in CISCO OpenStack private cloud
  • Launched AWS infrastructure various services such as EC2, S3, SQS, ELB, Security Group, Auto Scaling and RDS using Cloud Formation templates
  • Created Cloud Formation templates to run applications and the stack in the DevOps processes for consistent and reliable deployment methodology
  • Involved in monitoring and metering for Infrastructure as a Service (IaaS) for Open stack cloud
  • Developed AWS cloud formation templates and set up Auto scaling for EC2 instances
  • Extensively managed Jenkins as automated process for code builds and deployments
  • Improved Continuous Integration workflow using Virtual Environments like Docker
  • Provided a robust service for monitoring products deploying onto the cloud
  • Validated all expected KPIs, events, alerts, action, documentation and trend analysis graphs are fit for purpose for the product and infrastructure
  • Detected and responded to issues affecting availability or performance of the Cloud Infrastructure
  • Implementation, support, and monitoring of cloud-based infrastructure using various DevOps tools and technologies such as AWS, OpenStack, Linux, Git, Jenkins, Kubernetes, Ansible, and others.

Education

Certifications

Bachelor of Science - Computer Science

Olabisi Onabanjo University
Ogun State, Nigeria
01.2009

Skills

    Technical Skills
    Cloud Environments: Amazon Web Services (AWS)
    Development Environment: Cloud9, VSCode
    Configuration Management Tool: Ansible
    Containerization Tools: Docker, Kubernetes
    Operating Systems: Amazon Linux, Ubuntu, Centos, RHEL, Windows Server
    Automation Tools: Jenkins, Terraform, CloudFormation
    Web Servers: IIS, Nginx, Apache HTTPD, Tomcat
    Databases: RDS, Amazon Aurora, PostgreSQL, MySQL
    Scripting languages: Bash Shell, YAML, JSON
    Networking/Protocol: TCP/IP, DNS, DHCP, NIS, NFS, SMTP, LAN, FTP
    Version Control System: GIT, GitHub
    Monitoring Tools: Cloud Watch, Prometheus & Grafana

    Interpersonal Skills

    Organizational Skills / Project Management / Problem Analysis & Problem Solving / Interpersonal Skills / Attention to Detail / Analytical Skills / Relationship Building / Collaboration

Timeline

DevOps Engineer

GCB Services, LLC
02.2021 - Current

AWS/Cloud Infrastructure Engineer (Contract)

Well Fargo
07.2019 - 01.2021

Cloud Engineer (Intern)

The ITern LLC
03.2018 - 07.2019

Certifications

Bachelor of Science - Computer Science

Olabisi Onabanjo University
Oluwaseun Ajileye