Jamilur R.

I'm a solutions-driven Systems & Email Infrastructure Engineer with 9+ years of hands-on experience across Linux server administration, cloud platforms, and mail systems. I help businesses build infrastructure that's stable, secure, and scalable, as well as email systems that actually land in the inbox. 🖥️ Systems & Cloud Administration ● Linux Server Management - Ubuntu, CentOS, Debian, RHEL ● Virtualization - Proxmox, VMware/ESXi (including VM migrations & troubleshooting) ● Cloud Platforms - AWS, GCP, Cloudflare ● Container Orchestration - Kubernetes ● Web & App Stack - NGINX, Apache, SSL/TLS, MySQL, PHP, WHM/cPanel ● Networking - DNS, RADIUS ● Automation - Shell scripting 📧 Email Infrastructure & Deliverability ● Mail Server Setup & Optimization - Postfix, Exim, PowerMTA, Postal, Google Workspace, Microsoft 365, GHL, ActiveCampaign ● Deliverability Engineering - SPF, DKIM, DMARC, BIMI, PTR, IP/domain reputation, IP rotation ● IP/Domain Warm-up - fast, safe ramp-up strategies ● Cold Email Systems - Smartlead, Instantly, MailWizz, Mautic ● Spam Troubleshooting & Blacklist Monitoring - root-cause diagnosis, 100% inbox-placement focus ● Zero-Downtime Email Migrations - between Google Workspace, Microsoft 365, cPanel, and other platforms ● Email List Cleaning, Campaign Automation & Sequencing Whether you need a server stood up and hardened, a Kubernetes cluster running smoothly, or a mail system that consistently hits the inbox, I bring the same approach: diagnose the root cause, fix it properly, and document it so it stays fixed. I offer a free initial consultation to understand your setup and goals, then propose a tailored plan - no generic templates. *** Primary Goal: 100% Client Satisfaction ***