Hire the Best Linux System Administrators
in the United States

My core expertise lies in managing Windows, Linux, and BSD systems, with a strong focus on software deployment, troubleshooting, security hardening, and performance optimization—both locally and remotely. I work quickly and efficiently and am available on call seven days a week. I am highly motivated to continuously learn new technologies and willingly take on responsibilities beyond my prior experience. I bring decades of hands-on experience across a wide range of Linux distributions and BSD variants, giving me deep familiarity with diverse environments and use cases. I have a strong interest in server infrastructure and file hosting, particularly in the areas of security and optimization. As a result, I possess extensive experience with networking, firewalls, and system security. One of my greatest strengths is my ability to research effectively and solve complex problems independently. I offer full availability and can commit immediately to supporting and contributing to your organization.

Summary. DevOps Engineer, Linux System Administrator, and Web Developer with 5+ years of experience building and maintaining reliable production environments. I help businesses automate deployments, improve infrastructure reliability, troubleshoot complex issues, optimize application performance, and keep web services running smoothly. My background allows me to work across the entire stack - from application code and web servers to containers, cloud infrastructure, and production systems. Core Technologies. Linux, Docker, Kubernetes, Terraform, Ansible, Git, GitHub, GitLab, CI/CD, Bash, Python, Nginx, PostgreSQL, MySQL, Prometheus, Grafana, Alertmanager, ELK, Elasticsearch, Kibana, Logstash, Cloud Infrastructure, Infrastructure as Code (IaC), Monitoring, Logging, Deployment Automation, Performance Optimization, Web Infrastructure, Production Support, Incident Response, Troubleshooting.

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.

*LONG TERM PROJECTS PREFERED* Master's degree focused on strategic IT management, technology governance, leadership, digital transformation, project management, business strategy, organizational management, and innovation. Developed expertise in aligning technology with business objectives, leading high-performance teams, optimizing IT operations, and driving continuous improvement initiatives.

Server down, hacked, locked out, slow, or not working right? I’ll find the cause and fix it. I troubleshoot, administer, recover, and secure Linux and Windows servers. I also work with AWS/VPS environments, WordPress, web servers, DNS, SSL, SSH/RDP, email systems, Docker, and compromised infrastructure. I bring 20+ years of hands-on IT experience, including supporting hundreds of production Linux servers and working across Windows environments, web infrastructure, automation, and enterprise security. I don't just apply temporary fixes. I investigate the root cause, restore service safely, verify the result, and help reduce the chance of the same problem happening again. Small one-time troubleshooting jobs are welcome. I CAN HELP WITH: • Linux server administration: Ubuntu, RHEL, AlmaLinux, CentOS • Windows Server administration and troubleshooting • SSH/RDP access, authentication, users, sudo, permissions, firewall, and ports • CPU, memory, disk, filesystem, storage, LVM, and performance problems • Failed services, processes, systemd, cron, logs, and application errors • Server patching, backup, recovery, monitoring, and hardening • Compromised servers, malware, unauthorized access, and incident investigation • AWS EC2, Lightsail, and VPS setup, migration, recovery, and troubleshooting • Apache, Nginx, IIS, cPanel, WHM, PHP, and MySQL/MariaDB • WordPress repair, migration, malware cleanup, and hacked-site recovery • DNS, Cloudflare, SSL/TLS, HTTPS, AutoSSL, and Let's Encrypt • SMTP, email delivery, SPF, DKIM, DMARC, and mail server troubleshooting • 403, 404, 500, 502, 503, redirects, and connectivity errors • Docker, Docker Compose, application hosting, and service troubleshooting • Python and Bash scripting, automation, monitoring, and log analysis LINUX & WINDOWS SERVER TROUBLESHOOTING A reboot may bring a server back. It doesn't explain why it failed. I investigate logs, processes, services, CPU and memory usage, storage, filesystems, network connectivity, ports, permissions, authentication, scheduled jobs, application errors, and recent changes to determine what actually happened. If SSH stopped working, RDP is inaccessible, a service won't start, disk space disappeared, CPU usage suddenly increased, permissions broke, or an application went offline, I work from the evidence before making changes. SECURITY & COMPROMISED SERVER RECOVERY If a Linux or Windows server, VPS, or website may be compromised, I investigate suspicious processes and files, user accounts, login activity, SSH activity, scheduled tasks, services, permissions, web logs, persistence mechanisms, and other indicators of compromise. After recovery, I can help reduce repeat incidents through patching, SSH hardening, firewall rules, account cleanup, permission review, exposed-service reduction, and practical server hardening. WORDPRESS & WEB SERVER RECOVERY WordPress hacked, redirecting, slow, showing errors, or completely offline? I troubleshoot beyond WordPress itself when necessary. That can include plugins, files, permissions, malware, PHP, MySQL/MariaDB, Apache/Nginx, SSL certificates, DNS, logs, redirects, hosting configuration, and underlying server resources. AWS, VPS, DNS, SSL & EMAIL I troubleshoot AWS EC2/Lightsail, VPS hosting, DNS, Cloudflare, SSL/TLS certificates, HTTPS, SMTP, and mail-server problems. This includes broken DNS, expired certificates, Let's Encrypt/AutoSSL failures, SPF/DKIM/DMARC configuration, email delivery problems, redirects, firewall/connectivity issues, and server migrations. PYTHON & BASH AUTOMATION I build practical Python and Bash automation for server health checks, monitoring, log collection and parsing, reporting, storage cleanup, scheduled tasks, security checks, and repetitive infrastructure work. HOW I WORK My background combines system administration, troubleshooting, automation, and information security. I have hands-on experience with RHEL, Ubuntu, Windows Server, Python, Bash, Apache, Nginx, IIS, AWS, VMware, Docker, DNS, SIEM, DLP, CrowdStrike, production infrastructure, and enterprise security environments. My troubleshooting process is straightforward: Understand the symptoms Gather evidence Identify the root cause Make the safest appropriate fix Test and verify the result Explain what happened and what should be done next Have a Linux or Windows server problem and aren't sure what's causing it? Send me the symptoms or error message. I’ll take a look at what may be going wrong and explain how I would approach it.

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.