*Joel I Nogieru

ad1okw@r.postjobfree.com

Phone: 443-***-****

Clearance – Public Trust

Linux system Administrator

SUMMARY:

A seasoned System administrator/engineer for over 8 years with vast experience in large-scale enterprise IT, specifically in Linux administration, and infrastructure engineering with a proven ability to create and deliver solutions that result in the growth of the company. I have worked as a Linux System administrator for most of my IT career with a focus on using and configuring different Linux distributions to support the environment and collating monitoring information for data analysis.

Technical Skills:

Operating Systems

Linux OS (Red Hat, Centos, Ubuntu.)

Windows servers

Mac OS

ESXi

Private and public Cloud Infrastructure

Infrastructure:

Physical Servers (HP and Dell)

Virtualization (ESXi clusters)

Private and public Cloud Infrastructure: Amazon AWS and Azure

Applications/Software:

Jenkins, Gitlab, Nexus, Ansible, Apache web server, Nessus, Tomcat, WebSphere, Sonarqube, Nagios, OMD, Samba, FTP, NFS, TCP/IP, LVM, Git, DNS, DHCP, Confluence, JIRA, Service Now, Bitbucket, Kickstart, Bamboo, Power-shell, SMTP, load balancer, MySQL, Ngnix, HAproxy, SSL, SiteScope, VMware, ESXi, SSH, Gitlab CI, GitHub, Postgres, Sendmail, Cron, SSH, FTP, DHCP, CloudFront, Squid Proxy, CloudFormation, LDAP, Active Directory, Bind DNS, Zabbix, FileZilla, AWS, EC2, S3, RDS, ECS, Lambda, Route 53, CloudWatch, IAM, VPC, Auto Scaling.

Programming:

Knowledge of Bash/Shell Scripting

Education:

Associate Degree in Computer Information Systems.

Baltimore City Community College.

Competition Date: - May. 2017.

Bachelor’s degree in Computer Engineering.

University Of Benin, Nigeria.

Completion Date: - June. 2010

Certifications

CompTIA Linux+

CompTIA Security+

AWS Certified Solutions Architect - Associate

LPIC 1

Scrum Master Certificate

Tech support Fundamental – Google

Google Cloud Fundamentals for Azure professionals

AWS Fundamentals – Going Cloud Native

Python for Everyone.

Professional Experience

Ace Info - 08/2020 – till date.

Linux System Administrator

Maryland

Job Responsibilities

Managed server rooms, keep physical server room space organized, safe and perform system patching

Configured and maintained Linux DNS server, mail server, FTP, NFS. HTTPD

Monitored performance and maintain systems according to requirements.

Recommend standards and best practices including automation, process efficiencies, and enhanced security for supported areas.

Creating Disk Partitions, Logical Volume Manager (LVM) & RAID technologies on different File Systems.

Provided 24x7 support of operating systems on prod VMs and related technology.

Troubleshooted security vulnerabilities, using Nessus Scan on Redhat and centos systems.

Used Ansible playbooks to automate on the env virtual and physical instance provisioning, configuration management, patching and software deployment.

Plan and coordinate system utilization and performs growth analysis and capacity planning

Coordinates the upgrade of environments for large scale efforts and serves as group contact for major projects and initiatives.

Configured hardware in the env with bash shell programming to automate tasks.

Assist other engineers and administrators with engineering and troubleshooting tasks which are difficult or time-sensitive in nature.

Continuously maintain the infrastructure, installed software, accounts (both Operating System and Application), protocols.

Used Zabbix and BigBrother to monitor over 4000 VMs in the eironment.

Document and generate business processes for day-to-day and emergency support procedures.

Build infrastructure in cloud environments (VPCs, security groups, etc.) and deploy servers and their software.

Experience in designing and deploying AWS Solutions using EC2, S3, EBS, ELB, Auto Scaling groups. Developing Cloud formation templates to launch VPC's and instances in the AWS

Designed Terraform template for Launch the EC2 instance with IAM, VPC, Subnet, Security Groups, Route Table and Internet Gateway.

Define alarms and alerting based on monitoring metrics Monitoring, supporting, and troubleshooting technical issues during standard and non-standard hours.

Used independent problem-solving skills: analyze issues, determine possible courses of action, and take steps to resolve them with an eye to long term consequences.

Cleared Purple, red and yellow flags on BigBrother to keep VMs in good shape.

Setting up administrator and service accounts, maintaining system documentation, tuning system performance, installing system wide software, validating and implementing critical system patches, and allocating mass storage space.

Supporting and configuring LAMP stack applications for custom developed applications using technologies such as Apache, Tomcat, Java, Python, MySQL, MariaDB, and PostgreSQL.

use SolarWinds and other tools to proactively alert and address potential issues, and assist in the troubleshooting process

Emark Enterprise

2/2017 – 8/2020

Redhat System Administrator

DC

Job Responsibilities

Installed, configured and maintained DNS server, Mail server, FTP, NFS, RPM and Samba servers on Redhat Linux OS, using datacenter automation tools like Ansible…

Maintained computer networks for networked devices in physical, virtual and cloud environments including computer hardware, systems software, applications software, and all configurations.

Administered, installed, configured, optimized, backuped & recovered servers on Red Hat Enterprise Linux 7.x/8.x Platform

Installed Linux server for LAMP (Linux, Apache,MySQL, phpMyAdmin) implementation and readiness.

Resolving issues on Application slowness with the memory, cpu and disk troubleshooting.

Patched, performed tuning, troubleshooting, bug fix updates, and core builds on RHEL 6&7

Installing, monitoring and management of VCenter/VMware environment ESXI of virtual servers.

Troubleshoot networks by verifying open and closed ports and enabling or disabling firewalls usingIptables/Firewalld

Performed data backups and recovery with BASH Scripting and a cronjob.

Configured Nagios server on Linux Machine to monitor severs and the environment.

Manage the setting-up, managing, and rapid development of RHEL/CentOS 7/6 Linux servers using kickstart.

Use scripting language like BASH, and a little of Python

Used Ansible playbooks to automate on the env virtual and physical instance provisioning, configuration management, patching and software deployment.

Using bash shell scripting to automate tasks for deployments in the evnvironment.

Deployment in Stage, Dq and Production environment with Application servers like Tomcat and weblogic

Patching Stage and production environment with update downloaded from RedHaT.

Ops duties with respect to server management on-prem and AWS Cloud

Monitored with team to update server security in the environment, using applications such as Nagios/Solarwinds in on-prem.

Provided support on weekends and odd hours to ensure little to no disruption of local and operational systems during scheduled maintenance and outages

Managed daily activities to include user support and system administration tasks

Used Zabbix to monitor web applications and their services in the environment.

Made use of BigBrother monitoring tool to monitor VMs in the environment, Clearing purple, red flags, troubleshooting disks, connections, cpu, trap flags etc.

Used the Cloud Market place as a quick access to get prepackaged and ready to deploy solutions on Google Cloud Platform.

Configured cloud networking with AWS VPC/Subnets, IGW and Routing Table.

Deployed Static web pages or object leveraging AWS S3 bucket and Pubic DNS.

Transferred file across the system on the network using FTP, SCP, WinSCP and Rsync commands.

Vast knowledge of Atlassian management tools (Jira, Comfluence)

SolarWinds monitoring tools for system alerts and performance

Changed Health Systems - 06/2015 – 01/2017.

Linux Administrator

Baltimore

Job Responsibilities

Installed and configured CentOS 6, in an environment consisting of 200+ servers.

Setup of NFS and Samba file sharing application on Linux and Windows client servers.

Created and managed, on-boarded and off-boarded users, groups, and assigned permission control to files and directories.

Configured and managed Logical Volume groups, logical volumes, and file systems on Red Hat Linux.

Installed and configured of Kickstart and Jumpstart for Red Hat Linux 110 servers.

Eliminated extended downtime of network and processes by installing and configuring a Nagios server to monitor Windows/Linux servers.

Installed, configured, and updated Linux machines, with Red Hat, Debian, and CentOS

Deployed web applications with IBM Web Sphere Application Server

Performed Daily system optimization and ran performance check as necessary.

Built scripts using ANT/ Apache Maven

Design and developed high availability cluster using AWS, ELB / Haproxy, auto scaling, apache, tomcat, MySQL.

Managing Amazon Web Services (AWS) infrastructure with automation Using Terraform.

Maintained and patched servers, printers, copiers, and fax machines.

Managed the repair and maintenance of computers for employees including new users.

Troubleshooted programs, networks and Wi-Fi connectivity problems.

Used Zabbix to monitor web applications and their services in the environment.

Made use of BigBrother monitoring tool to monitor VMs in the environment, Clearing purple, red flags, troubleshooting disks, connections, cpu, trap flags etc.

Served as a highly rated team support member within the technical support mainframe.

Oversee Incidents and Service Request end-to-end for all allocated users.

Assisted in data processing of Electronic Banking products.

Configuring and testing production environment

Performed diagnostics and troubleshooting of both hard and software system issues.

Documented help desk tickets/resolutions and maintained equipment inventory lists.

JPTS 07/2013 – 06/2015

Help desk /Linux Admin

Remote

Performed Linux backups’ and restore, LVM configurations and management, disk partitioning and formatting.

Installed, configured, and maintained, and monitored application servers such as Apache, Samba, and Tomcat while also maintaining DNS and setting up a directory share link between NFS servers and client servers.

Used monitoring tools and applications (Nagios, Check MK, OMD etc.) to check for performance and stability within the company infrastructure.

Researched and consulted with customer on new hardware purchases to insure that the proper equipment was purchased which provided high productivity within their budget.

Deploy new equipment and install applications, which enable the customer to perform their job function on updated equipment which leads to higher work output.

Provided Tier 1 (Help Desk) problem identification and Tier 3 (Watch Desk) support during normal to semi-critical situations

Installed, configured, and administered JIRA application and ticketing system, and implemented issue-tracking end to end.

Reviewed procedures and contacts for handling service requests, incident resolution for both hardware and software issues.

Participated in performance monitoring and capacity planning implementation.

Created, administered, and maintained User Accounts with stipulated permissions, group login IDs, security passwords etc. on Linux server platforms.

Contact this candidate