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Oluwatobi
tobiolayiwola1@gmail.com
443-846-1217
7421 Frankford Rd Apt 1116
Dallas, TX 75252
Devops Engineer
11 years experience W2
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Summary

Over 8 years of experience as System Engineer and DevOps engineer with solid experience in different UNIX platforms such as Linux, CentOS, Ubuntu as well Windows.

  • Strong experience in System Administration, Installation, Upgrading, Patches, Migration, Configuration, Troubleshooting, Security, Backup, Disaster Recovery, AWS, Azure, Openshift, Openstack.
  • Adept in the use of automation build tools such as docker, vagrant, puppet, and ansible
  • Research and development for emerging cloud and infrastructure technologies
  • Experienced in configuration management of various multi-layered applications using Ansible and Puppet and containerization technology such as Docker and Kubernetes.
  • Good grasp of ITIL principles and processes.
  • Solid experience in Compute, Network, Storage, Automation, Cloud and Virtualization
  • Experience with Source Control management
  • SVN, GitHub in adds, commits, deletes of codes
  • Managed physical and cloud infrastructure running Redhat/CentOS on AWS cloud
  • Experienced in provisioning instances with CloudFormation, Autoscaling, VMware templates, clones, AWS snapshots.
  • Experienced in Bash scripting, Perl, Python to automate the tasks by using cron scheduling
  • Good experience in the design and implementation of Continuous Integration, Continuous Deployment, Continuous Delivery and Devops Operations. deployments, maintenance and troubleshooting applications on Azure
  • Experienced in configuring syslog to send logs to log management tools such as to Splunk.
  • Involved in complete Administration tasks on UNIX (RedHat Linux) and documentation for the projects executed.
  • Hands-on in using OpenShift for container orchestration with Kubernetes, container storage, automation, to enhance container platform multi-tenancy. OpenShift, Kubernetes architecture and design, troubleshooting issue and multi-regional deployment models and patterns for large-scale applications.
  • Experienced in the use of monitoring and security tool like Dynatrace and Sysdig.
  • Installed, monitored and supported Web and Application Servers on Linux environments and participated in migrating the environments.
  • Skilled in monitoring servers using Nagios, Cloud watch, and using ELK Stack Elasticsearch, Fluentd Kibana

Experience
Devops Engineer
Information Technology
Mar 2017 - present
Plano, TX
Responsibilities
  • Focus on continuous integration and deployment, promoting Enterprise Solutions to target environments.
  • Worked in container-based technologies like Docker, Kubernetes and OpenShift
  • Integrated Docker container orchestration framework using Kubernetes by creating pods, config maps, deployments.
  • Implemented a production ready, load balanced, highly available, fault tolerant Kubernetes infrastructure.
  • Help application teams troubleshoot problems using Dynatrace
  • Diagnose, troubleshoot and resolve Dynatrace issues
  • Implementation of Docker and various Docker orchestration tools such as docker-compose, docker swarm and various other management tools.
  • Diagnose, troubleshoot, and resolve app issues using Dynatrace and Sysdig
  • Perform analysis like memory, CPU for applications to find root cause of run-time issues
  • Provided consistent environment using Kubernetes for deployment, scaling and load balancing of applications from development to production.
  • Responsible for designing and deploying new ELK (Elasticsearch, Logstash, Kibana, beats, Kafka)
  • Automate provisioning and other repetitive tasks using Terraform and python.
  • Perform application server builds in EC2 environment and monitoring them using cloud watch.
  • Design roles and groups using AWS identity and access management (IAM)
  • Implement and maintain the monitoring and alerting of production and corporate servers/storage using CloudWatch.
  • CoreOS Docker cluster setup and management.
  • Jenkins implementation and configuration resulting in full CI/CD to integration environment on commit.
  • Experience with container-based deployments using Docker images, Docker registries, installation and configuring Kubernetes and clustering them.
  • Jenkins, job setup, maintenance used for build, test, compile, package, deploy pipeline.
  • Monitoring Live Traffic, logs, Memory utilization, Disk utilization and various other factors which are important for deployment.
  • Managed deployment automation using Packer, Docker, Terraform to automate system operations.
  • Created multiple Terraform modules to manage configurations, applications, services and installation process for Web Server and AWS instances.
  • Created Security groups for both individual Instances and for group of instances under a network
  • Managed LDAP to add modify, delete user accounts, group accounts and service accounts across regions.
  • Involved in developing APIs using Kubernetes to manage and specify the copies of the containers to run the actual servers in the cloud environment.
  • Scheduled, deployed and managed container replicas onto a node cluster using Kubernetes and deployed Docker containers through Kubernetes to manage the microservices using its Nodes, pods, ConfigMaps, Selectors and Services.
  • Created Azure services using ARM templates and ensured no changes in the present infrastructure while doing incremental deployment.
  • Implemented a CI/CD pipeline using Azure Devops (VSTS, TFS) in both cloud and on-premise with GIT, MS Build, Docker, Maven along with Jenkins plugins.
  • Implemented the deployment of services by VSTS (Azure Devops) pipeline.
  • Created and maintained pipelines to manage the IAC for applications existing in the Azure cloud.
  • Deployed Kubernetes (K8s) cluster with Azure Container Service (ACS) from Azure CLI and utilized Kubernetes and Docker for the runtime environment of the CI/CD system to build, test and Octopus Deploy.
  • Researched current ITIL standards and architecture integration process.
  • Exposure to and hands on experience with Qualys API.
  • Configured integrated Jenkins with Git to poll codes and Maven to push artifacts to AWS S3
  • Day to day engagement of management /monitoring/troubleshooting of multi-tier applications using Ansible and Nagios in Dev, QA, Prod environments.
  • Document system configurations, Instance, OS, and AMI build practices, backup procedures, and troubleshooting guides Environment: AWS EC2, VPC, Autoscaling, RHEL 5,6,7,8 Docker, Openshift, Kubernetes, Terraform, Sysdig, Splunk, Dynatrace, Ansible Tower, Python, NAS, Active Directory.
Ansible ARM AWS AWS EC2 AWS S3 Cloudwatch Continuous Deployment Continuous Integration Database Backups Devops Docker Containers Elasticsearch ELK Jenkins LDAP Load Balancing Maven MS Active Directory MS Azure Nagios NAS OpenShift Python RHEL Splunk IAM Kafka Microservices ITIL
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Devops Engineer
Information Technology
Sep 2015 - Feb 2017
Southlake, TX
Responsibilities:
  • Performed hardware, operating system, security and application updates/patches on these systems as well as operating system hardening based in industry standards.
  • Integrated defect tracking tool like JIRA with Confluence and Jenkins CI server for identifying, logging, tracking and documenting issues in real-time.
  • Assisted team members to improve quality of processes.
  • Experienced in setting up the build and deployment automation for Terraform script using Jenkins
  • Integrated kubernetes with network, storage, security to provide comprehensive infrastructure and orchestrated container across multiple hosts.
  • Deployed configuration management and provisioning to AWS using Packer, Docker and Terraform
  • Build and configure Openstack deploying servers using KVM.
  • Managed Azure infrastructure Azure Web Roles, Worker Roles, VM Role, Azure SQL, Azure Storage, Azure AD Licenses. Virtual Machine Backup and recover from a Recovery Services Vault using Azure Portal
  • Written Templates for Azure Infrastructure as code using Terraform to build staging and production environments.
  • Integrated Azure log analytics with Azure VMs for monitoring the log files.
  • Write puppet codes in Manifest for automating the new environment and deploying through Gitlab.
  • Created Gitlab-CI environment for continuous CI/CD.
  • Deployed servers on Microsoft cloud infrastructure Azure
  • Investigating and resolving of customer Ticket
  • Created new puppet environment for customers
  • Created OpenStack source sitting within VMware for a new environment set up.
  • Troubleshooting F5 related issue with the network Team.
  • Utilize security and vulnerability scanning tools including Qualys and Symantec ESM.
  • Set up of automated environment with OpenStack built using Ansible for Server deployment and configuration.
  • Worked with EMC SAN to acquire storage and setting up Veritas/LVM file-systems.
  • Worked on setting up Veritas clustering.
  • Worked with Oracle DBA's for restore of Oracle Instance and Building Oracle RAC Cluster. Working Knowledge of Network Protocols such as NTP/ TCP/ DNS/ DHCP/ HTTP/ SMTP/ SFTP/ FTP/ SCP/ NFS.
  • Worked daily with customers supporting the server with any issue related
  • Worked directly with customers, supporting servers and applications running in the environment
  • Performed application server builds in EC2 environment and monitoring them using cloud watch
  • Creating security groups for both individual instances and for group instances under a network
  • Creating snapshots and amazon images of the instances for backup and creating clone instances
  • Support of applications like apache, tomcat, and java-based app running on Linux machine for multiple clients
  • Develop cloud formation scripts to automate EC2 instances.
  • Design user's credentials and profiles using AWS IAM. Environment: AWS EC2, VPC, Linux, Route 53, Active Directory, Apache, Tomcat, Ansible
Ansible Apache Tomcat AWS AWS EC2 AWS IAM Azure Storage Cloud Infrastructure Continuous Integration Database Backups DBA Devops Docker Containers EMC Gitlab Jenkins JIRA Linux MS Active Directory MS Azure Oracle Puppet SAN SQL Veritas VMWare OpenStack Problem Solving Apache
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System Engineer
Information Technology
Sep 2010 - Aug 2015
Richardson, TX
  • Configuring the systems for TCP/IP Networking with the existing Local Area Network. Setting up SSH and SCP features on UNIX hosts.
  • Coordinated with customers to develop ITIL process strategies for design.
  • Monitored mapping of customer issues and developed appropriate solutions.
  • Troubleshooting Production Server Problems related to web applications, Sendmail, disk space, file system, DNS and network connectivity.
  • Worked with VMware ESX on different HW like HP Proliant, Dell Power Edge hardwares using vCenter server
  • Hands on experience in physical to virtual machine (P2V) conversions and virtual machines (V2V)
  • Experienced working with sudo, Vintella Authentication and Powerbroker.
  • Worked with Enterprise Security Manager to get Security certification for servers before moving them in to production.
  • Responsible for Failover/Pre-Failback/Failback and verification of the same in case of outage in the high environment using VCS (Veritas Cluster Server).
  • Developed Cronjobs and Shell Scripts (Perl, ksh) for automating administration tasks like file system management, process management, Server reboots etc.
  • Installation/configuration of Redhat 5/6 using kickstart Server.
  • Upgrades, patches and OS installation using Kickstart for Linux.
  • Worked with EMC SAN to acquire storage and setting up Veritas/LVM file-systems.
  • Worked on setting up Veritas clustering.
  • Worked with Oracle DBA's for restore of Oracle Instance and Building Oracle RAC Cluster.
  • Worked on creating Virtual machines using VMware.
  • Monitoring the system performance and doing the kernel tuning to enhance the system performance.
  • Troubleshooting Production Server Problems related to web applications, Sendmail, disk space, file system, DNS and network connectivity.
  • Provided 24/7 on-call support on a weekly basis.
  • Worked with Enterprise Security Manager to get Security certification for servers before moving them in to production.
  • Installed and configured domain wide mail systems utilizing Postfix with multi subnet and a single relay host for internal mail forwarding, all external mails were handled by Sendmail and SMTP.
  • Installed/Configured the WebSphere server, JBoss application server, Weblogic server Managed tuning and performance of high profile applications running on them.
  • Performing Post Build activities like Setting up Backup interface/NIC bonding/LACP Bonding/Loading additional Packages/ Joining the server to Active Directory, etc
  • Extensively used glance, top, ifconfig, netstat, nfsstat, traceroute, siteminder, nslookup, tcpdump etc. for System configuration and performance monitoring. Environment: Sun Solaris 10/9/8, Linux 5/4/3, Oracle 10g, SUN Servers, Linux and Jump Start, Veritas Cluster Server (VCS), VMWare servers, Weblogic and Apache
BEA WebLogic Database Backups Database Upgrades DBA DNS EMC IBM Siteminder IBM WebSphere JBOSS Kickstart Linux MS Active Directory Oracle RedHat SAN Shell Scripts Solaris SSH Systems Engineering TCP/IP TCPDump UNIX vCenter Veritas Veritas Cluster Management VMWare ITIL Sun Weblogic Server
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Non-cloudteam Skill
Education
Bachelor's in Computer Science
Louisiana Tech University
Certifications
AWS Certified Solutions Architect - Associate
Skills
Database Backups
2021
9
MS Active Directory
2021
9
ITIL
2021
8
DBA
2017
6
EMC
2017
6
Linux
2017
6
Oracle
2017
6
SAN
2017
6
Veritas
2017
6
VMWare
2017
6
Ansible
2021
4
AWS
2021
4
AWS EC2
2021
4
BEA WebLogic
2015
4
Continuous Integration
2021
4
Database Upgrades
2015
4
Devops
2021
4
DNS
2015
4
Docker Containers
2021
4
IBM Siteminder
2015
4
IBM WebSphere
2015
4
JBOSS
2015
4
Jenkins
2021
4
Kickstart
2015
4
MS Azure
2021
4
RedHat
2015
4
Shell Scripts
2015
4
Solaris
2015
4
SSH
2015
4
Sun
2015
4
Systems Engineering
2015
4
TCP/IP
2015
4
TCPDump
2015
4
UNIX
2015
4
vCenter
2015
4
Veritas Cluster Management
2015
4
Weblogic Server
2015
4
ARM
2021
3
AWS S3
2021
3
Cloudwatch
2021
3
Continuous Deployment
2021
3
Elasticsearch
2021
3
ELK
2021
3
IAM
2021
3
Kafka
2021
3
LDAP
2021
3
Load Balancing
2021
3
Maven
2021
3
Microservices
2021
3
Nagios
2021
3
NAS
2021
3
OpenShift
2021
3
Python
2021
3
RHEL
2021
3
Splunk
2021
3
Apache
2017
1
Apache Tomcat
2017
1
AWS IAM
2017
1
Azure Storage
2017
1
Cloud Infrastructure
2017
1
Gitlab
2017
1
JIRA
2017
1
OpenStack
2017
1
Problem Solving
2017
1
Puppet
2017
1
SQL
2017
1
AWS CloudFormation
0
1
BaSH
0
1
CentOS
0
1
Disaster Recovery
0
1
Kibana
0
1
Perl
0
1
Scripting
0
1
SVN
0
1
System Administration
0
1
Ubuntu
0
1
Windows
0
1