CV / English / Linux Systems Administrator

Contact Information

  • Address: 452 Revolution Street, Techville, Silicon State, 12345
  • Phone: (123) 456-7890
  • Email: [email protected]
  • LinkedIn: linkedin.com/in/alexmercer-tech

Professional Summary

Dynamic and detail-oriented Linux Systems Administrator with over 5 years of experience managing server infrastructures and data-center operations across Unix/Linux platforms. Effectively plan, install, configure, and optimize IT infrastructures to achieve high availability and performance. Proven ability to create and deliver solutions tied to business growth, organizational development, and systems/network optimization. Skilled problem identifier and troubleshooter comfortable managing systems, projects, and teams in a range of IT environments.

Core Competencies

  • System Administration: Expert in administering Linux (Red Hat, CentOS, Ubuntu) environments.
  • Networking: Solid understanding of networking concepts, DNS, DHCP, VPN, and firewall configurations.
  • Security: Proficient in implementing security measures, managing SSL certificates, and conducting system audits.
  • Automation/Scripting: Experienced in writing shell scripts and automating tasks using tools like Ansible and Puppet.
  • Performance Tuning: Adept at optimizing system performance through monitoring and tuning.
  • Disaster Recovery: Experienced in designing and executing disaster recovery plans.

Technologies & Certifications

  • Operating Systems: Linux (RedHat, CentOS, Ubuntu), Windows Server
  • Tools/Software: Apache, Nginx, SSL, MySQL, PostgreSQL, Docker, Git, Jenkins
  • Scripting Languages: Bash, Python
  • Certifications: CompTIA Linux+, RHCE (Red Hat Certified Engineer), LFCS (Linux Foundation Certified System Administrator)

Professional Experience

Senior Linux Systems Administrator - TechSolutions Inc., Techville - 2019-2023

  • Managed and maintained 100+ Linux servers, ensuring 99.9% uptime.
  • Implemented automated backups and disaster recovery plans, reducing system recovery time by 50%.
  • Led the migration of legacy systems to cloud-based solutions, enhancing system scalability and reliability.

Linux Systems Administrator - WebHost LLC, Onlineville - 2017-2019

  • Administered web hosting environment, supporting thousands of websites.
  • Optimized server performance through regular monitoring, tuning, and system updates.
  • Played key role in team that designed and executed a comprehensive security overhaul, significantly reducing vulnerabilities.

Education & Training

  • Bachelor of Science in Computer Science, University of Technology, Techville, 2013-2017
  • Linux Foundation Certified System Administrator (LFCS), 2018
  • Red Hat Certified Engineer (RHCE), 2019
  • Continuous online training and professional development in Linux administration, networking, and security.

Referees

Available upon request.