System Administrator Red Hat

Messekede MONTCHEBI

AWS Developer / Linux, Unix System Administrator

Tel:708-***-**** Email: **********@*****.***

PROFESSIONAL SUMMARY

Total 15+ years of experience in IT

8+ years of experience in LINUX environment

1+ year Experience in AWS Cloud environment

Great experience scripting bash, Shell

Red Hat Certified System Admin

AWS Certified Solutions Architect and Developer

Deep knowledge of AWS Cloud

Technical Skills

UNIX Linux Python Shell Scripting Ansible and Ansible Tower Docker Podman RHEL 6, 7 & 8 CentOS 7 & 8 VMwareESXI KVM LVM HTTPD LDAP SAN NAS TCP/IP

Red Hat Satellite DHCP DNS NFS SAMBA Mysql Nagios

Amazon Linux Outlook MS Office MS Teams ServiceNow

Others

AWS (EC2, Cloud Watch, VPC, RDS, S3 Cloud Front, Elastic Beanstalk, CloudFormation, IAM, Lambda, AMI and more

PROFESSIONAL EXPERIENCE:

Abbvie, Inc

Level3 Linux SysAdmin (since March

2023)

Responsibilities I was hired for :

Write and use ansible playbooks for rhel and Ubuntu servers’ patching, coordinate and apply patching

Write playbooks and shell scripts as needed for day-to-day use

Build and manage linux servers (both automated install and manual install)

Assure site reliability deploying Datadog agents on servers, configuring, setting-up and managing metrics and monitors related to processes, disks, cpu, ram, network, swap; and proactively resolve issues as needed.

Assure servers’ resources (disks, vgs, lvs, cpu, network, ram, swap) management on a day-to-day basis on the basis of Datadog dashboards and/or monitors or as needed by users and troubleshoot as needed

Document work process and contribute to existing process’ documentation update

Create Docker compose files and Participate in servers’ deployment using SPACK

Participate in Work Load management using Slurm and

Participate in Cluster management using Bright cluster manager

Upgrade some RHEL servers to Rocky9 as needed.

3M

Linux/Windows SysAdmin, Dec 2022

–March 2023

Responsibilities I was hired for :

Build, manage and decommission RHel 6, 7, 8 and Windows Server 2008, 2012, 2016 and 2019 physical HP blades and virtual servers in on-premise Data Centers, VmWare and AWS

Perform on-premise servers’ migration to AWS

Upgrade RHEL and Windows servers to latest OS versions mainly RHEL8 and Windows 2019

Perform Windows and Rhel servers patching on monthly basis using proprietary software and Red Hat Satellite

Perform day to day servers management and troubleshooting using proprietary ITSM ticketing tool, Ansible, Shell scripting, Red hat Satellite and Git.

Perform user management and file management

Manage file systems mainly LVM, CIFS, NFS, SAN over Fiber Channel

Contribute to existing process’ documentation update

Contribute to the update of 100s of existing playbooks mainly by reorganizing long playbooks into roles or adding tags to playbooks’ tasks for efficiency.

Participate in 1 week over 8 or 1 week per 2 months on call rotation Essintials Entreprise Solutions

SysAdmin Linux ( May 2021 – Nov22)

Linux (RHEL, CentOS, AIX) administration and application management.

Perform on a day to day basis the installation and configuration of virtual and physical RHEL and Centos servers

Perform regular user management and file management

Perform troubleshooting of network and SElinux related issues as needed

Perform task automation of infrastructure and application provisioning using bash scripting.

Do automated Systems configuration and patching using Red Hat Satellite and Ansible, and communicate with all implied team members pre and post update.

Develop and maintain Ansible playbooks and also use Ansible Tower to run jobs as needed

Work on management, monitoring and testing of backup & recovery systems

Connection of Linux systems to Single Sign On LDAP/AD Server.

Perform file system management using LVM, NAS and SAN tools.

Perform on day to day basis the installation of Linux and Windows OS on VmWare and deploy them to Network

Perform Data migration across Linux servers and also to cloud systems as needed

Perform hardware and software installations, upgrades, patching and maintenance

Implement and troubleshoot as needed network services (NFS, HTTP, SSH, FTP, NTP)

Ensured all environments meet scale and resiliency requirements.

Supported customer facing and internal applications.

Good Knowledge of troubleshooting, solving problems and incidents. NSC Global

Linux, AWS Solutions Architect : January 2018 – March 2021

Assisted in cloud migration, such as creation of IAM roles and users and configuring ELB, cloud watch and auto scaling.

Experience working with cloud-based infrastructure with a focus on infrastructure as code in AWS using Cloud Formation.

Involved in working on migration projects to AWS cloud.

Used Ansible to manage Web applications, and used various AWS services to manage the infrastructure.

Built S3 buckets and managed policies for S3 buckets and used S3 bucket and glacier for storage and backup on AWS.

Automated the Continuous Integration and deployment using Docker.

Build CI/CD pipeline and managing the infrastructure as a code using Puppet and Ansible.

Using Nagios for Continuous Monitoring

Supporting the following platforms: Red Hat Enterprise Linuxv5/6/7

File system administration using LVM and familiarity with SAN and NAS storage

Host -level troubleshooting of storage in Red Hat Enterprise Linux 5/6 multipath utilities

Automation skills utilizing scripting language bash shell

System administration including configuration of server-based systems, system installation and configuration of fundamentals of security, and installing third party software.

Capable of prioritizing and managing high volume workloads from multiple surfaces.

Setup, managed and troubleshoot DNS, DHCP and active Directory on windows server 2003 and 2008

Track and complete assigned tasks via Service ticketing system

Participating to “On CallRotation”

JTI Network

Linux System Administrator : November 2016 – December 2017

Build, Installed, configure virtual and physical servers, test, deploy RHEL 6&7, Centos 6&7 servers to the network: OS installing and configuration standard and advanced.

Hardening, Patching recommended patches and upgrades release.

Standalone servers (using single user mode), and on production servers (live upgrade)

Monitored log management on UNIX/Linux servers, including processes, crash and swap management with password recovery and performance tuning.

Set-up, configuration, and troubleshoot of TCP/IP, DHCP, DNS NFS, CIFS, LDAP, KVM, and Samba servers in a multi-platform LAN.

Monitor and maintain critical services, improve processes surrounding monitoring

Experience with configuration management such as Ansible.

Troubleshoot Red hat Enterprise Linux 6 & 7 and Centos 6 & 7 issues in hardware and software related and configuration issues.

Design, develop, and maintain the tools to simplify the life cycle of our in-house and Cloud- based services across multiple environments from build to production

Experience working with AWS cloud technologies

Work with engineering teams to establish best practice on automating build and test environment

Installation and configuration of samba server and mapping to the windows 2008 server.

Installed and maintained the operating system and related software products.

Participating in root-cause analysis of recurring issues, system backup and security setup, providing 24/7 support in production, testing and development environments.

Scripting language using Bash, and Shell

Experience with containerization technologies such as Docker OTI TELECOM, Benin (West Africa)

LINUX ADMINISTRATOR: February 2010 – June 2015

Troubleshoot Managed guest systems via VMware infrastructure (ESXI, vSphere)

Server builds and deploys (Centos6x, 7x; RHEL6X, 7x)

Performed user accounts administration.

Successful in resolving customer issues through troubleshooting.

Monitored and managed server performance using associated tools.

Setup, configure and troubleshoot TCP/IP, DHCP, DNS, NFS, CIFS.

Performed logs administration to detect and resolve system errors.

Offered various support to software developers.

Developed functional and technical documentation.

Performed security hardening on dedicated servers by turning off unused services.

Basic working knowledge of LDAP server, active directly and auto-mount the home directory.

Archive, compress, unpack, and uncompress files using gzip, tar, bzip.

Configure key-based authentication for SSH

Install and update software packages from RedHat network, configure a remote repository, or for the local file system.

Managed File system such as LVM

Cabinet Talents Plus Conseils Benin (West Africa)

Senior IT Technician January 2007 – January 2010

Deployment and monitoring of Windows machines

Users (staff and job applicants) support.

Troubleshooting of windows machines

User accounts management

Network install monitoring and troubleshooting

Main point of contact between the Cabinet and their ISP OTI Telecoms for network issues resolution

Email accounts creation and management (Thunderbird)

Windows applications and MS office support for users

Email backup and windows machines backup

EDUCATION BACKGROUND

Bachelor in Law Science and MBA Management in Benin (West Africa) IT Bootcamp Training in Windows and MS Office (Part of the MBA program) CERTIFICATION

Red hat Engineer (Course completed, planning to seat for exam by the end of 1st quarter of 2023) Red Hat Certified System Administrator

AWS Database Specialist (Learnt but did not seat for the exam) Aws Certified Developer Associate

Aws Certified Solutions Architect Associate

AWS Certified Cloud Practitioner

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