Summary
Overview
Work History
Education
Skills
Timeline
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Nathan Bonsu

Gaithersburg,MD

Summary

Detail-oriented and skilled Linux Administrator with 5 years of experience in maintaining, configuring, and troubleshooting Linux-based systems. Experience in both client and enterprise server environments. Proficient in various distributions, scripting languages, and system monitoring tools. Quick understanding of IT concepts for immediate implementation. Seeking to leverage skills in a role that allows for professional growth and contributes to the success of the organization.

Overview

5
5
years of professional experience

Work History

Linux System Administrator

Vricon
02.2022 - Current
  • Responsible for daily system administration tasks such as maintaining servers, disk management, job scheduling, User/group management and packages installation (using RPM and YUM) on Linux/Unix Systems such as Red Hat and Ubuntu.
    • Performed day to day Red Hat Linux 5/6/7 tasks including troubleshooting, Installation, Maintenance and Administration.
  • Implement and enforce security measures, including firewall configurations, user access controls, and applying patches to safeguard against cyber threats and vulnerabilities.
  • Automate repetitive tasks and streamline workflows using Bash scripting, resulting in a 30% reduction in manual workload.
  • Perform routine system backups and disaster recovery procedures to minimize data loss and ensure business continuity.
  • Used Nagios as IT infrastructure monitoring tool for monitoring host resources such as load average.
  • Worked with network team to configure proper DNS and subnets on machines.
    • Used monitoring tools such as VMstat, Wireshark, tcpdump, nmap and sar to monitor system health, security and ports.
  • Performed/rolled out quarterly patching and applied security patches on Linux systems to keep the systems updated and secured.
  • Used Cronjobs to run scripts to automate daily system backups.
  • Created automated solutions for reoccurring issues by writing bash scripts and playbooks in Ansible.

Linux System Administrator

Histgroup
08.2020 - 01.2022
  • Assisted in the planning and execution of system upgrades and migrations, minimizing downtime and disruptions to business operations.
  • Documented standard operating procedures (SOPs) and knowledge base articles, facilitating knowledge sharing and team collaboration.
  • Provided tier 2 and tier 3 support for Linux-based systems, troubleshooting hardware and software issues to ensure uninterrupted service.
  • Created and managed Swap space as needed with methods of Performance and Kernel Tuning.
  • Configured passwordless login with secure authentication for SSH.
  • Spun EC2 instances on AWS and used its features to provision, monitor, and distribute compute infrastructure.
  • Administered User accounts and security groups which included creation, deletion, and setting permissions for users. Created users both manually and with useradd command.
  • Migrated local users and groups from one system to another using Rsync.
  • Updated YUM repositories with RPM packages as per client requests.

System Analyst

OCR Services
10.2018 - 11.2019
  • Managed call center activities to meet service level agreements.
  • Performed PC support and maintenance for over 200 people.
  • Installed and upgraded video cards, modems, hard drives, IDE controllers, SCSI drives, power supplier and memory components.
  • Performed system configuration and troubleshooting.
  • Managed call center activities to meet service level agreements.
  • Provided front-line desktop customer support for IT related problems via remote desktop, phone, email, and ticketing system.
  • Performed PC support and maintenance for over 200 people.
  • Provide support for desktop computer operating system and hardware/peripherals.
  • Respond to requests for technical assistance in person, via phone and troubleshoot customers system problems remotely.
  • Assist in installing and configuring hardware such as printers, copiers, monitors and workstations.
  • Assist in setting/resetting password and maintaining confidentiality of sensitive information.

Education

Associate of Arts - General Studies

Howard Community College
Columbia, MD
11.2018

High School Diploma -

James Hubert Blake High School
Silver Spring, MD
05.2015

Skills

  • Operating Systems: CentOS 6/7/8 , Ubuntu, Red Hat Enterprise Linux (RHEL), Windows R2 2012/2016
  • Scripting Languages/Automation: Bash, Python, Ansible, Puppet, Jenkins
  • Servers/Services: NFS, SSH, Telnet, Apache, Nginx, Tomcat, DNS, Netstat TCP/IP and TCP DUMP
  • Monitoring tools: Nagios
  • Cloud computing: AWS EC2 Instances
  • Version Control: Github
  • Strong problem-solving abilities
  • Excellent communication and interpersonal skills
  • Ability to work independently and collaboratively in a team environment
  • Attention to detail and commitment to excellence

Timeline

Linux System Administrator

Vricon
02.2022 - Current

Linux System Administrator

Histgroup
08.2020 - 01.2022

System Analyst

OCR Services
10.2018 - 11.2019

Associate of Arts - General Studies

Howard Community College

High School Diploma -

James Hubert Blake High School

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