Joseph Oke

Randallstown, Maryland.

ad097w@r.postjobfree.com

443-***-****

Linux Engineer / Linux Administrator

Experienced in Engineering and System administration, which includes installation and operation of server configurations, continuous integration and continuous deployment, working with complex network topologies with excellent problem-solving skills in a Linux environment. Exceptional communication, presentation & interpersonal skills with proficiency at grasping new concepts quickly and productively utilizing the same. Technical Skills

Backup, and Recovery - File System Backup, Basic Networking Activities - Configuring and Managing DNS, Computer File Systems - Disk File Systems, Infrastructure Automation - Ansible, Samba-Server, Red Hat Enterprise Linux Administration - LVM Administration, Virtual Machines, VMWare - Vcenter, AWS, Virtual Environment, CI/CD Tools, Infrastructure Projects, Operations, Redhat, Shell Scripting, Linux Server, CentOS 6,7, NFS, Nagios, OMD, FTP, Jira, NIS, Cronjobs, SSH, MySQL, DHCP, SMTP, Postgres, LDAP, Nginx, Kickstart, FileZilla, LVM, CVS, GIT, Amanda Backup Server, Email Server, Cloud Computing, EC2, and many more...

Programming:

Bash shell scripting

Infrastructure:

HP and Dell servers

AWS Cloud Platform

Azure Cloud Platform

Operating System:

Linux Redhat/Centos

VMware ESXI

Windows Servers

Certifications

● CompTIA Linux+ In review

● CompTIA Security +

Education:

● The Polytechnic of Ibadan

Banking and Finance

Completion Date: August 1994.

● University of Maryland

Master in Informatics

Class of 2020.

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Work Experience:

Linux Administrator, July 2019 – present.

UNIVERSITY OF MARYLAND MEDICAL CENTER, BALTIMORE MARYLAND.

● Perform upgrade on Red Hat Linux whenever required.

● Expertise on ESXi Architecture, guest OS installation, setting up of VM priorities, Cloning and Snapshots.

● Perform hardware and software installations, upgrade and maintenance, patch administration, file system management, performance and security analysis and network configuration.

● Administrating, creating and modifying DNS records, DHCP scope and reservation, troubleshooting and managing user and group accounts Administration.

● Worked on ESXi and VM storage issues and also coordinated with the storage admin team.

● Monitoring the operating system, database network by using the monitoring tools.

● Create virtual switches and port groups, configure virtual networking settings for redundancy, and configure network traffic, security and load balancing policies.

● Good understanding of IaaS and virtualization – service orientated architecture designed around the delivery of Infrastructure components as a service.

● Involve in DevOps automation processes for build and deploy systems

● Build automation tools such as Jenkins, GitLab CI, Bitbucket.

● Hands on experience in updating / upgrading ESXi servers, Virtual Linux servers and windows virtual machines.

● Worked on creating and removing files and directories in Linux servers

● Ability to set up, maintain account, and monitor system performance.

● Creating/modifying host-based firewall rules using firewalld and iptables.

● Implemented company policies, technical procedures, and standards for preserving the integrity and security of data, reports, and access.

● Collaborative automation of AWS infrastructure via Jenkins.

● Administered Linux servers for several functions including managing Apache/Tomcat, server, mail server, MySQL database and firewalls in both development and production.

● Configuration and administration of LDAP, NFS and NIS in Linux and also implemented Samba, FTP for sharing of resources between Linux and Windows environments.

● Consistently meet deadlines and requirements for every production work orders.

● Installation of ESXi hypervisor servers, vSphere clients, and VCenter Servers.

● Managed firewall, network monitoring, and server monitoring both on- and off-site.

● Configuring and adding new services as necessary.

● Applying OS patches and upgrading on a regular basis.

● Recommended architectural improvements, design solutions, and integration solutions.

● Amazon Web Services experience such as EC2, S3, EFS and many more.

● Ability to sync elastic stash data between the data centers using logstash.

● Utilized a pipe and filter model to find bottlenecks and enable measurement of system resource usage and process behavior at boundary limits of all operations.

● Designed and implemented new server standards for core business services. Page 2

● Provided continued maintenance and development of bug fixes and patch sets for existing web applications.

● Worked with monitoring tools such as Nagios, New Relic, ElasticSearch, ELK and OMD

● Maintained proper documentation of all the activities carried out during the project.

● Restoring data in the event of an emergency.

● Used Jira as a ticket tracking and workflow tool.

● Used Slack as a collaborative tool.

● Ability to set up MySQL (and preferably PostgreSQL) replication, troubleshoot issues on complex server environments and assist developers.

● Ability Upgrading and configuring system software that supports infrastructure applications. Work Experience:

Linux Administrator, February 2016 – 05/2019.

MERIT PRODUCTION SERVICES, QUEENS NEW YORK.

● Responsible for installation & configuration of Jenkins to support various Java builds and Jenkins plugins to automate continuous builds and publishing Docker images to the Nexus repository.

● Provided base level IT support to non-technical personnel within the business

● Resolved problems with malfunctioning products.

● Experience in creating Disk Partitions, Logical Volume Manager (LVM) & RAID Technologies on different File Systems.

● Expertise in installing, configuring, supporting, and troubleshooting Unix/Linux Networking services and protocols like TCP, SMTP, HTTP, LDAP, DNS, NFS, DHCP, FTP, SSH, and SAMBA.

● Involved in On Call rotation for supporting production strictly maintaining SLA's.

● Creating and managing user accounts, system security, performance tuning, change management, documents, and procedures on Linux.

● Advise users on appropriate action.

● Building Physical as well as Virtual (VMware) Servers

● Track and route problems and requests and document resolutions.

● Design and develop infrastructure monitoring and reporting tools

● Help tune performance and ensure high availability of infrastructure

● Activated accounts for clients interested in new services.

● Managed, monitored and tested individual and group user access privileges and security

● Experience with revision control systems, especially Git – setup and daily use

● Ansible scripts to automatically update system components, saving 30% admin time.

● Identified and solved technical issues with a variety of diagnostic tools.

● Troubleshooting and maintaining of TCP/IP, Apache, SMTP, and DNS applications.

● Built application platform foundation to support migration from client-server product lines to enterprise architectures and services

● Creation of VMs, cloning, and migrations of the VMs

● Building and maintaining Domain servers

● Handling problems or requirements as per the ticket (Request Tracker) created.

● Building Physical as well as Virtual (VMware) Servers

● Worked extensively with Network File System (NFS) for storage.

● Remained up-to-date on the latest technologies and solutions applicable to company products.

● Installed software, modified and repaired hardware, and resolved technical issues. Page 3

References

Will be provided upon request.

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