Peter D.

Objective: --------- Results-oriented and highly experienced Linux System Administrator with a robust background spanning 23 years. Proven expertise in Linux server management, specializing in security, optimization, and application deployment. Adept at web hosting, support, and seamless website migration. Seeking a challenging role to leverage my skills and contribute to the success of a forward-thinking organization. Professional Experience: ----------------------- Linux System Administrator : - Demonstrate extensive knowledge and hands-on experience in Linux server management, ensuring the security and optimal performance of critical systems. - Successfully execute the installation of diverse applications on Linux, contributing to a robust and efficient server environment. - Lead web hosting and support initiatives, providing technical expertise to resolve complex issues promptly. - Orchestrate seamless website migrations, minimizing downtime and ensuring client satisfaction. Senior Security Analyst : - Implemented robust cybersecurity measures utilizing cutting-edge tools such as Wazuh, Snort, Elastic, OpenSearch, Ossec, MISP, and The Hive. - Specialized in firm-wide security solutions, creating resilient setups to safeguard against various threats. - Applied expertise in security matters, utilizing Pfsense, IPtables, Honeypot, IPSEC, AI firewalls, and Wazuh. - Conducted thorough system tests for vulnerabilities, dark holes, and proxy setups to fortify overall infrastructure. Virtualization Specialist : - Proficiently managed virtual OS systems, with expertise in VMware and Xen, ensuring efficient resource allocation and optimization. - Oversaw a diverse range of application and web servers, including Apache, Nginx, FTP, MySQL, PowerDNS, Bind, and cache servers. - Maintained reliable mail servers such as Postfix, Exim, Sendmail, Zimbra, iRedMail, and Qmail, ensuring secure and efficient email communication. Technical Skills: ---------------- - Operating Systems: Linux - Protocols: TCP/IP, IMAP, FTP, DHCP, HTTP, SMTP, POP/3 Additional Skills: ------------------ - In-depth experience in big enterprise setups and nodes/load balancing for end clients, capable of handling over 6.2 million connects per minute and larger-scale deployments.