Oyetola Joseph Oyeyemi

Work History

AWS/Linux Engineer

Sleks Technology Services

Laurel, MD

04.2021 - Current

Maintaining and configuration of user accounts for dev, QA, and production servers
Collaborating with cross-functional teams to plan and execute system upgrades, patches, and migrations, ensuring minimal impact on production systems
Implementing and managing a high-availability cluster using Linux Pacemaker and Corosync, resulting in a significant reduction in downtime and improved system performance for a critical production environment
Performing regular backups which includes both full and incremental
Disk configuration, creating and managing File Systems such as LVM and RAID
Implementing and managing security measures, including firewalls and access controls, to protect against cyber threats and ensure compliance with company policies and industry standards
Proficient in using JIRA ticketing tool to manage and track IT incidents, service requests, resulting in increased efficiency and timely resolution of issues
Implementing configuration management tools such as Ansible and Terraform to automate system provisioning and deployment, resulting in improved efficiency and reduced errors
Tracking application performance metrics and reporting with Cloudwatch
Developing, Maintaining and updating various UNIX based shell scripts for services
Managing containerized applications through Docker including deploying , scaling and troubleshooting containers
Creating and maintaining documentation, including system configurations, procedures, and troubleshooting guides, to facilitate knowledge sharing and ensure consistency in system administration tasks
Creating roles for EC2, RDS, S3, Cloudwatch, EBS resources to communicate with each other using IAM
Migrating and implementation of multiple applications from on premises to cloud
Building and configuring virtual data center in the AWS cloud to support Enterprise data warehousing
Designing and configuration of EC2, Route53, Elastic Load Balancer (ELB), focusing on high-availability, fault tolerance and auto-scaling
Configuration of Continuous Integration and Continuous Delivery using CodeCommit
Working with networking teams in configuring AWS Direct Connect to establish dedicated connection to data-centers and AWS Cloud
Performing standard system administration tasks such as troubleshooting and problem resolution, patching, installing and upgrading, using package managers
Assigning required EC2 security policy using Security Group and Network Access Control List (NACL)
Responsible for creating, securing and managing AWS S3 buckets and resources
Scheduling Automated Linux jobs with Crontab
Experience

Systems Administrator

Vinds Incorporated

McLean, VA

02.2018 - 03.2021

Installed, configured and maintained RHEL 7 and Ubuntu servers
Installed, configured, and maintained services such as DNS, DHCP, NFS, Apache Web Server, Samba, SSH, RPM and YUM Repository
Set up local Area network (LAN), Network Printers and Scanners
Configured firewall and hardened Linux system for system security
Installed, configured, and maintained software applications used by the company, such as Microsoft Office, email clients, and other productivity tools
Performed server logs check during troubleshooting to ensure the server is working accurately as designed
Maintained network and data security, maintained security compliance policies on the OS and internal audits
Keeping up-to-date with the latest Windows updates, patches, and security vulnerabilities, and applying them as needed
Installed and configured VMware ESXi server instances for virtual server setup and deployment
Performed server installation on both physical and virtual servers
System configuration/hardening by turning off unnecessary services
Analyzed metrics to identify trends in system behavior that require intervention
Responded to problem reports from users and partners promptly to isolate root cause and assisted other team members as necessary to resolve
Created new VM Linux and Solaris machines
Monitored System Activities like CPU, Memory, Disk and Swap space usage to avoid any performance issues
Writing of scripts using bash to alert if disk space get high
Using bash scripts to update systems at certain times
Performing day-to-day troubleshooting for the end users and Linux and Windows based servers
Maintaining users accounts and permissions
Administering file management and permissions
Evaluating requests for hardware and software; researches and recommends solutions to technology needs
Keeping up-to-date with the latest technologies, trends, and best practices in system administration to ensure a secure and reliable IT infrastructure

Summary

Overview

Work History

AWS/Linux Engineer

Systems Administrator

Education

Bachelor’s Degree - Mass Communication

Skills

Certification

Work Availability

Timeline

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