Summary
Overview
Work History
Education
Skills
Certification
Timeline
Generic

Samuel Diabere

Parlin,NJ

Summary

Seasoned Linux System Administrator with a proven track record at Adventure Technologies, adept in Linux server management and team leadership. Excelled in enhancing system security and performance, significantly improving operational efficiency. Skilled in task automation and analytical problem-solving, consistently delivering innovative solutions to complex technical challenges.

Overview

9
9
years of professional experience
1
1
Certification

Work History

Linux System Administrator

Adventure Technologies
Jackson, MS
06.2023 - 02.2025
  • Provided technical support for Linux-based systems including troubleshooting of server applications and hardware issues.
  • Set up user accounts, permissions and passwords and defined network policies and procedures.
  • Installed, configured, and updated software and hardware components, ensuring system integrity and compatibility.
  • Analyzed intricate server issues and supported large enterprise and business-critical applications.
  • Administered user accounts, permissions, and access controls, enhancing security and compliance.
  • Implemented and monitored network security measures, including firewalls and intrusion detection systems.
  • Administer CrowdStrike security management posture.
  • Designed, configured and tested computer hardware and operating system software.
  • Organized training sessions for other members of IT staff about best practices when dealing with Linux-based systems.
  • Evaluated security protocols to ensure compliance with internal policies and external regulations.
  • Participated in the planning and execution of IT infrastructure projects, meeting deadlines and budget requirements.
  • Consulted users to determine areas in need of improvement.
  • Submitted recommendations regarding infrastructure overhauls.
  • Planned, tested and supported high-availability infrastructures.
  • Deployed updates, patches and hotfixes on a regular basis to keep the system secure from vulnerabilities.
  • Configured and managed email servers and protocols, ensuring reliable and secure communications.
  • Tuned kernel parameters as per application requirements in order to maximize system performance and reliability over time.
  • Resolved conflicts between different processes running simultaneously on the same server by optimizing resource allocations accordingly.
  • Monitored logs generated by various services running on the Linux servers and identified anomalies or suspicious activities in them if any.
  • Implemented backup strategies to ensure data availability in case of disasters or outages.

IT Support Specialist

Cloud Sentrices
Houston, TX
02.2022 - 06.2023
  • Used remote login tools to assist clients with technical and product questions.
  • Performed regular maintenance checks on computer hardware components.
  • Collaborated with the technical team to discuss recurring customer issues and develop long-term solutions.
  • Maintained positive working relationship with fellow staff and management.
  • Managed the configuration and setup of customer accounts and systems.
  • Documented all customer interactions and resolutions in the ticketing system for future reference and reporting.
  • Installed software applications as requested by customers.
  • Monitoring the performance and health of servers, networks, and other IT systems to ensure they are running efficiently, and to identify potential issues before they become critical.
  • Creating, modifying, and deleting user accounts, and managing permissions and access controls to ensure security and proper access to resources.
  • Assisting in diagnosing and resolving technical issues related to hardware, software, and network systems.
  • Performing regular backups of data, and ensuring that data can be restored in the event of a loss or failure. Testing backup systems to ensure they are functioning correctly.
  • Monitored IT use to maintain compliance with established processes, policies, and guidelines.
  • Assisting with the setup and maintenance of network connections, including LANs, WANs, and Internet systems. Troubleshooting basic network issues.

IT Support Specialist

Violet Streams Resource
Houston, TX
03.2016 - 12.2021
  • Troubleshot hardware issues and worked with service providers to facilitate repairs for end users.
  • Performed regular maintenance checks on computer hardware components.
  • Participated in after-hours on-call rotation for critical support needs.
  • Tested hardware components prior to deployment in production environment.
  • Collaborated with the technical team to discuss recurring customer issues and develop long-term solutions.
  • Managed the configuration and setup of customer accounts and systems.
  • Installed software applications as requested by customers.
  • Documented all customer interactions and resolutions in the ticketing system for future reference and reporting.
  • Analyzed support tickets to identify trends and recommend product improvements to the development team.
  • Implemented feedback from customer satisfaction surveys to improve service quality.
  • Performed routine maintenance and software updates on support tools and customer systems.
  • Delivered remote assistance for technical issues using screen sharing, mouse and keyboard control and other tools.

Education

Bachelor of Science - Computer Engineering

University of Accra
Ghana
11-2010

Skills

  • Linux server management
  • Task automation
  • Log analysis
  • Hardware troubleshooting
  • Performance tuning
  • Regulatory compliance
  • Performance testing
  • Cron job scheduling
  • Virtualization technologies
  • System performance tuning
  • User account management
  • Bash scripting
  • Linux administration
  • Nagios monitoring software
  • Remote Access management
  • Security management
  • System maintenance
  • Debugging network configuration
  • Package management
  • Storage management
  • Multi-user system management
  • Application testing
  • Web server administration
  • User and group management
  • File system management
  • Software installation
  • SSL certificate management
  • Team management
  • Analytical

Certification

  • CompTIA Sec+
  • RHCSA
  • CompTIA Network+

Timeline

Linux System Administrator

Adventure Technologies
06.2023 - 02.2025

IT Support Specialist

Cloud Sentrices
02.2022 - 06.2023

IT Support Specialist

Violet Streams Resource
03.2016 - 12.2021

Bachelor of Science - Computer Engineering

University of Accra

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Samuel Diabere