Alfred Asibey Bonsu
Havre de Grace,Maryland
Summary
PROFILESUMMARY
Linux System Administrator with over three years of experience in proficiently managing and overseeing Linux servers and
production environments to ensure optimal performance, security, and compliance. My expertise lies in automating system
deployment, adhering to the best industry standards and delivering exceptional technical support to end-users. I possess strong
problem-solving and communication skills, which enable me to collaborate effectively with cross-functional teams. Holding a Red
Hat Certified Systems Administrator certificate (RHCSA), I take pride in successfully leading migration and upgrade projects, as well
as implementing robust cybersecurity measures. I am enthusiastic about utilizing my skills and experience to contribute to the
growth and success of a dynamic organization.
Overview
4
4
years of professional experience
Work History
Linux System Administrator
IT Consulting
, Maryland
01.2019 - 01.2023
- Executed routine Linux System Administration tasks to ensure the seamless operation of multi-user computer systems encompassing Linux-based application and license servers as well as virtual machines
- Collaborated with other network administrators
- Supplementary responsibilities included:
- Installing and configuring various network services such as DNS, DHCP, NFS, SMTP, Apache Server, NIS, Samba, SSH, Telnet and Management of TCP/IP protocols
- Utilizing knowledge in server security baseline, basic server troubleshooting and maintenance skills, to ensure effective troubleshooting and problem resolution of network as well as monitor system performance, using Wireshark, Ping, tcpdump, telnet, Nmap, ARP, Netstat
- Installing setting up and configuring as required RHEL, CentOS on HP and IBM hardware
- Responsible for upgrading critical infrastructure comprising 50 RHEL 7-8 servers to RHEL9
- Leveraging my expertise, I opted for an in-place upgrade methodology and efficiently executed the migration using the Leapp tool
- This approach not only ensured a smooth transition but also minimized downtime, showcasing my ability to manage large-scale upgrades with precision and effectiveness
- Setting up administrator and service accounts, maintaining system documentation, tuning system performance, installing system wide software and allocating mass storage space
- Installing patches and other software packages using configuration management tools such as YUM and RPM
- Setting up NFS, FTP, sFTP and Samba for File Sharing on Linux and Windows servers
- Configuring and updating Apache web utils in Redhat and CentOS in production environments
- Assisting with Security and Compliance activities for server equipment to ensure data and computing resources remained secured and in stable condition
- Developing Shell Scripts to accomplish redundant tasks to simplify distributed administration
- Storage Area Network Administration, Disk Management, and Logical Volume Manager Administration
Business Operations Director
Simple Group, Havre de Grace
, Md
01.2017 - 01.2019
- Responsible for the day-to-day operations of the organization, including inventory management, logistics, and customer service
- Lead a team of 20 employees, providing coaching, mentoring, and performance evaluations.
Education
MBA - undefined
University of Maryland Global
Skills
- RedHat Enterprise Linux (7,8,9) Patch Management, Upgrades, SQL MySQL System Network (Tcp/Ip protocols) Data
- Management (LVM) DHCP, NFS, Send mail, Apache Web Server, NIS, Samba, SSH, Telnet, HTTP, RPM Package
- Management Virtualization Container Management using Podman tools System Monitoring and troubleshooting
- (Wireshark, Ping, TCP/dump, Telnet, Netstat, Netstat, Nmap Network Security/ SELinux Firewall Antivirus Lamp
- Stack
Additional Information
- Assisted on team that spearhead the integration of computer systems into various operational processes, ensuring seamless workflow and data accuracy. Collaborated with IT department to evaluate, select, and implement software solutions to streamline operations, resulting in a over 15 % increase in sales and productivity. Collaborated with IT department in the regular assessments of in-house computer systems and technology infrastructure, identifying areas for improvement and implementing solutions to enhance reliability and performance. Trained employees on the use of new software systems and technology tools, ensuring smooth adoption and minimal disruption to daily operations. Analyzed data from computer systems to identify trends and make data-driven recommendations for process improvements. Managed vendor relationships and negotiate contracts for computer hardware, software, and services, resulting in a 25 % cost savings. Certifications Red Hat Certified System Administrator (RHCSA)
Timeline
Linux System Administrator
IT Consulting
01.2019 - 01.2023
Business Operations Director
Simple Group, Havre de Grace
01.2017 - 01.2019
MBA - undefined
University of Maryland Global