Kamaldeep Singh K.

Overview: I am a seasoned Server and System Administrator with over 19 years of hands-on experience in Linux, Unix, Windows, and virtualization environments. My expertise spans comprehensive server management, storage solutions, database administration, and advanced troubleshooting. I specialize in designing, deploying, and optimizing high-availability infrastructure for enterprises across cloud and on-premise environments. Core Competencies: ** Operating Systems: CentOS, RHEL, Ubuntu, Debian, CloudLinux, Windows ** Server Management: User/Disk/File management, RAID, LVM, ISCSI, Multipath, Routing, Networking, and Linux Team Bonding ** Backup & Recovery: System imaging, disaster recovery planning, kernel troubleshooting, and boot-level repair Security & Hardening: FIREWALLD, UFW, IPTABLES, SELinux, TCP Wrappers, vulnerability assessment, and audit remediation ** System Monitoring: Proficient with WhatsUp Gold, NetFlow, IFTOP, IPTRAF, Nagios, Zabbix, and OSSEC ** Data Center Operations: Experienced with Cisco, HP, IBM, Dell, Supermicro servers, and both hardware and software RAID ** Network & File Services: NFS, VSFTPD, Samba, and advanced network tuning ** Storage Technologies: SAN/NAS administration with HP, IBM, Dell, EMC, NetApp, and Lenovo ** Virtualization Platforms: Virtualizor, KVM, Xen, VMware ESXi, Oracle VirtualBox, and VCenter Converter ** Web & Application Hosting: LAMP/LEMP stack setup (Linux, Apache/Nginx, MySQL, PHP), SSL/HTTPS (including Let’s Encrypt) ** Control Panels: WHM/cPanel, Webmin, Plesk, VirtualMin ** Cloud Platforms: AWS, Google Cloud Platform (GCP), DigitalOcean, OVH, Hetzner, and Contabo ** Server Architecture: NTP, SSH, DHCP, BIND, SQUID, Postfix, Sendmail, Kannel, HA-Lizard, DRBD, RSYNC, and XCP-NG ** Open Source Tools & Applications: WHMCS, OpenCloud, Nextcloud, Zulip, OpenVPN, Polr, Odoo, OpenMeetings, TOR, Keycloak, Rocket.Chat, Opencanary, eSignForms, Apache NiFi ** Linux Administration & Automation: Advanced command-line expertise, shell scripting, and automation framework deployment ** Streaming Solutions: Experience with Darwin Streaming Server, Wowza Streaming Engine, Xenon Streaming Suite (Encoder, Server, Mediator), and Crypton Headends Additional Expertise: ** Cloudflare: CDN, DNS management, and web security optimization ** Moodle: Installation, management, and troubleshooting of Moodle LMS platforms ** DNS Management: Configuration and management of DNS zones and records across various providers ** n8n: Workflow automation implementation and maintenance ** Kobo Toolbox: Deployment and administration of Kobo Toolbox survey platforms ** Sucuri: Web security, malware scanning, and remediation ** OpenSIPS: VoIP signaling server setup and management ** Mattermost: Self-hosted team communication platform administration ** Travperium: Experience with Travperium platform hosting and support ** Email Marketing Services: Sendy, SendGrid, and Mailgun setup, configuration, and troubleshooting Professional Strengths: ** Proven ability to design and maintain secure, scalable, and high-performance infrastructures ** Outstanding analytical and troubleshooting skills with quick turnaround ** Strong commitment to uptime, performance, and reliability under mission-critical operations I am ready to deliver high-quality, dependable system administration support tailored to your project requirements.