Roland Klahitar
Linux System Administrator
Houston,TX
Summary
Skilled Linux Systems Administrator with a wide variety of professional experiences in Windows Server Administration, Cyber Security, programming, Network Administration, and Data Analysis. I am a dedicated, organized, and methodical individual with good interpersonal skills and a willingness to learn new skills.
Overview
6
6
years of professional experience
Work History
Marketing Facing Application Team Lead
International Business Machines (IBM)
2011.05 - 2016.03
- I collected Call Detail Records (CDR) files from different servers in a telephony company.
- I processed the CDR and built dashboards using Extract, transform, and load (ETL) and Reporting tools.
- I ensured the accuracy of the reports and made recommendation based on data findings.
Reporting Officer
Bharti Airtel
2010.08 - 2011.04
- Built dashboards and ad-hoc reports for improved decision-making by automating repetitive tasks.
- Participated in regular performance reviews to identify areas for improvement and implement appropriate action plans based on feedback received.
- Assisted in the development of performance metrics, aligning them with organizational objectives and goals.
Information Technology Assistant
Finadev
2009.12 - 2010.07
- Provided timely technical assistance to employees, resolving a wide range of IT issues.
- Enhanced system security by conducting regular vulnerability assessments and implementing necessary patches.
- Implemented data backup procedures, safeguarding critical company information from potential loss or compromise incidents.
- Diagnosed and troubleshot hardware, software and network issues.
- Researched and identified solutions to technical problems.
Education
Associate of Applied Science - Computer System Networking - Cyber Security
Houston Community College
Houston, TX05.2024
Associate of Science - Computer Science
Houston Community College
Houston, TX08.2022
Bachelor of Science - Computer Science
African Institute of Computer Science
Libreville, Gabon08.2009
Skills
- User Accounts and Groups Management.
- Package Management: APT, DNF, YUM, ZYPPER, DPKG, and RPM tools.
- Configure, and troubleshoot routes, VLAN, DHCP, NTP, SSH and VNC remote access.
- Configure Apache Web server supporting IP-based Virtual Host, Name-based Virtual Host, and SSL encryption.
- Configure Postfix email, bind 9, Dovecot IMAP, NFS, Samba, and Squid proxy servers.
- Configure firewall using iptables, firewalld and firewall-cmd programs.
- Monitor Processes in Linux using ps, top, nice, renice, cron, and sleep commands.
- Manage Disk and Filesystem using LVM in Linux
Proficient in Git for version Control. - Virtualization & Containerization: VMware vSphere, Hyper-V, Citrix Hyperviso, Docker, LXC/LXD, and Kubernetes.
- Security Tools: Nmap, Wireshark, Metasploit, Nessus, Burp Suite, Binwalk, John the Ripper, CyberChef.
- Skilled in using Segues and Navigation for multi-screen apps, as well as Auto Layout and responsive design in Xcode to create adaptive interfaces.
- Proficient in the Model-View-Controller (MVC) design pattern, JSON parsing, Core Data, Core Location, API integration, networking, SQLite, and UITableView
- Programming Languages: Swift, SwiftUI, Shell script, Transact SQL, PL SQL, Python, PHP, JavaScript, HTML, CSS
Languages
French
Full Professional
Timeline
Marketing Facing Application Team Lead
International Business Machines (IBM)
2011.05 - 2016.03
Reporting Officer
Bharti Airtel
2010.08 - 2011.04
Information Technology Assistant
Finadev
2009.12 - 2010.07
Associate of Applied Science - Computer System Networking - Cyber Security
Houston Community College
Associate of Science - Computer Science
Houston Community College
Bachelor of Science - Computer Science
African Institute of Computer Science
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