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Senior Linux Systems Administrator with 20 years of experience delivering robust infrastructure solutions across multiple environments. I specialize in designing, implementing, and maintaining critical systems with a focus on reliability, security, and performance optimization. Core Expertise Load Balancing Solutions: Expert implementation of HTTP load balancing with Apache (including advanced caching mechanisms) and HTTP/TCP load balancing with HAProxy (featuring complex access control lists) Security Implementation: Automated SSL/TLS certificate management with seamless setup and renewal processes Database Administration: Comprehensive management of PostgreSQL and MS SQL Server environments Email Infrastructure: Advanced configuration of inbound/outbound email services using Postfix, Exim, and PowerMTA with DKIM signature implementation DNS Management: Strategic configuration and maintenance of DNS records for optimal routing and availability Messaging Systems: End-to-end RabbitMQ deployment and management Performance Optimization: Kernel-level tuning for application-specific hosts to maximize throughput and minimize latency I excel both as an independent consultant and as part of cross-functional teams, providing creative yet pragmatic solutions to complex infrastructure challenges. Recent projects include mail server implementations, Elasticsearch/Logstash/Kibana (ELK) logging solutions, and custom software integration. I approach each project methodically, prioritizing clear communication and delivering solutions that align precisely with your business requirements.

US-Based. Ex-Google Senior Systems Engineer. I have over 25 years of running Linux infrastructure, websites, system administration and technical services. I can help with: * Linux server troubleshooting, setup & security (CentOS, Ubuntu, Alma, Rocky, etc.) * Apache & nginx web servers * MySQL & MariaDB SQL servers * Email services (dovecot, exim, sendmail) * PHP, Golang, Python programming, Bash scripting * SSL certificate issues * DNS issues * Wordpress issues * Server & website migrations. * VPI/PBX: Asterisk, Kamailio, Twilio, etc. * Compiling software * Web hosting control panels (including cPanel/WHM, etc) * GCP & AWS management * Networking: VPNs, VLANs, routing, switching, DHCP, PXE, BGP, etc * SRE, Devlops, monitoring & logging, etc. After running a web hosting company for 17 years and then working as a systems engineer at Google for 7 years I am now ready to help you with your internet & website infrastructure. I live in the US, work in the Eastern Time Zone and I am available via email, WhatsApp, phone or video calls. If you need a trusted partner to work with your website or infrastructure, then look no further :)

System Administrator I work with virtualization, self-hosted services, storage and backups and on-premise cloud infrastructure. 🔹 Areas of Expertise: Virtualization 🔹 Proxmox HA clusters with Ceph storage for redundancy and scalability. 🔹 FreeBSD with vm-bhyve hypervisor. 🔹 XCP-ng. Networking & VPNs 🔹 Setting up and managing MikroTik and pfSense firewalls. 🔹 Configuring Wireguard and OpenVPN solutions for remote access across businesses. 🔹 GL-iNet travel routers for Digital Nomad VPN solutions. Self-Hosting & Custom Server Solutions 🔹 Managing self-hosted applications like Nextcloud, Seafile, and WordPress and others. 🔹 Configuring Nginx and Apache servers for web hosting. NAS & Storage Solutions 🔹 Setting up and managing TrueNAS, Synology, and Unraid. 🔹 Configuring ZFS-based storage solutions for redundancy and performance. 🔹 Implementing NFS, and SMB shares. Storage & Backup Strategies 🔹 Implementing Rsync, Rclone, and Syncthing for data synchronization and backups. 🔹 Managing ZFS-based storage for redundancy and backup. Remote Access & Virtual Desktop. 🔹Apache Guacamole, KasmVNC, NoMachine. Cloud 🔹 Working with AWS and Oracle Cloud. Technical Expertise: 🔹 Operating Systems: FreeBSD, Ubuntu, Debian. 🔹 Virtualization & Containers: Proxmox, vm-bhyve, XCP-ng, Docker. 🔹 Networking & Security: MikroTik, pfSense, WireGuard, OpenVPN. 🔹 NAS & Storage: TrueNAS, Synology, Unraid, ZFS, NFS, SMB. 🔹 Storage & Backups: TrueNAS, Synology, Unraid, Rsync, ZFS. 🔹 Web & Cloud Services: Nginx, Apache, AWS, Oracle Cloud.

I am a Linux System Administrator & Hosting Expert with 6+ years of experience managing servers, cloud platforms, hosting environments, and email systems. 💡 Core Skills Server & Hosting Management: cPanel/WHM, Plesk, and other control panels Cloud Platforms: Hetzner, Hostinger, AWS, Contabo, Google Cloud, DigitalOcean VPS & Dedicated Servers: Setup, optimization, and performance tuning Security & Reliability: Firewall setup, malware protection, DDoS mitigation Google Workspace (G Suite): Professional setup, migration, and administration Email & DNS Solutions: Deliverability optimization, SPF/DKIM/DMARC, rDNS Website Support: WordPress migration, troubleshooting, SSL installation, Cloudflare I deliver secure, optimized, and reliable hosting solutions with professional support for businesses of all sizes.

My main focus is working as a full stack Software Engineer, with a strong focus on the web using modern best practices. My vast range of experience gives me significant insight into the full stack of application development from the system to the database to the application. I am able to troubleshoot complex system issues, as well as solve complex problems in application design and development.

I am experienced with setup, maintenance, and support of open source server technologies, like Debian, Ubuntu, Rocky Linux, AlmaLinux, Proxmox Virtual Environment and Backup Server, XCP-ng/Vates Open Virtualization Platform, TrueNAS, Virtualmin, HestiaCP, Nextcloud, SNIPE-IT, WordPress, Passbolt, Matomo and Rustdesk. I've been deploying open source systems and supporting small business for more than 25 years.