Jahanzeb A.

Is your cloud infrastructure unreliable, deployments too manual, or server security putting your business at risk? I bring 10+ years of enterprise infrastructure experience, including 7 years at Nayatel, managing production environments serving thousands of concurrent users. I'm a Senior DevOps, Cloud & Systems Engineer specializing in AWS, Azure, GCP, Linux/Windows Server, Docker, Kubernetes, Terraform, CI/CD automation, and cloud security. I've managed enterprise-scale infrastructure, executed zero-downtime cloud migrations, hardened servers, and automated repetitive operations to improve reliability, security, and deployment efficiency. Whether you need to deploy a new cloud environment, fix critical server issues, automate your CI/CD pipeline, or secure existing infrastructure, I can help you build a solution that's stable, scalable, and maintainable. REAL ENTERPRISE INFRASTRUCTURE EXPERIENCE ⚡ High-Availability Linux Hosting Designed multi-tier Linux hosting infrastructure using Cloudflare, dedicated servers, database replication, monitoring, and automated failover to support critical applications. ⚡ DNS Anycast Infrastructure Implemented scalable DNS infrastructure using PowerDNS, BIND, and Anycast routing for efficient query distribution, redundancy, and high availability. ⚡ Enterprise VPN & Secure Networking Worked on secure VPN infrastructure, encrypted connectivity, authentication, firewall policies, network segmentation, and reliable remote access. ⚡ Linux Containerization & Deployment Experience with Docker, container networking, orchestration, monitoring, security hardening, and deployment automation. ⚡ Enterprise Email Hosting & Security Delivered infrastructure solutions using Zimbra, Axigen, Linux, SMTP gateways, and Cisco ESA, covering email availability, redundancy, security, and authentication. WHAT I CAN HELP YOU WITH ☁️ DevOps & Cloud Infrastructure - AWS & Azure cloud architecture, deployment, migration, and optimization - Infrastructure as Code (Terraform, Ansible) - Docker containerization & Kubernetes orchestration - CI/CD pipelines (GitHub Actions, GitLab CI/CD, Jenkins) - Cloud networking, load balancing, auto-scaling, and high availability - Production infrastructure monitoring and troubleshooting 🐧 Linux & Windows System Administration - Linux: Ubuntu, Debian, CentOS, RHEL - Windows Server administration, Active Directory, DNS, DHCP - Nginx, Apache, cPanel, web hosting, and SSL/TLS - VMware, Proxmox, Hyper-V, and bare-metal infrastructure - Server migrations, patch management, performance tuning - Backup, disaster recovery, and automated failover 🔐 Cybersecurity & Infrastructure Hardening - Linux/Windows server security hardening - AWS/Azure security configurations and access controls - Firewall configuration, VPNs, and secure remote access - Vulnerability assessment and remediation - Wazuh, ELK Stack, security monitoring, and intrusion detection - Network segmentation, access policies, and SSL/TLS security - Secure infrastructure configuration and monitoring ⚙️ Automation, Monitoring & Reliability - Infrastructure provisioning and configuration automation - CI/CD pipeline setup and deployment troubleshooting - Prometheus, Grafana, Zabbix, and centralized logging - Bash, PowerShell, and infrastructure scripting - Database administration: PostgreSQL, MySQL, MariaDB - DNS, email server administration, and network troubleshooting CERTIFICATIONS 🏅 AWS Certified Solutions Architect – Associate 🏅 AWS Certified CloudOps Engineer – Associate 🏅 AWS Certified Cloud Practitioner 🏅 Microsoft Certified: Azure Fundamentals 🏅 Certified Kubernetes Administrator (CKA) WHY CLIENTS WORK WITH ME ✔ 10+ years of hands-on infrastructure and systems experience ✔ 7 years working with enterprise infrastructure at Nayatel ✔ Certified AWS, Azure, and Kubernetes expertise ✔ Production infrastructure, high availability, and disaster recovery experience ✔ Security-focused, automation-first engineering approach ✔ Clear documentation, communication, and structured handover ✔ Reliable troubleshooting and ongoing infrastructure support I don't just configure servers or deploy applications. I focus on ensuring your infrastructure remains secure, efficient, and reliable as your business grows. LET'S DISCUSS YOUR INFRASTRUCTURE Are you facing server downtime, planning a cloud migration, implementing CI/CD, or looking to strengthen your infrastructure security? Send me a message with your current setup and the challenge you're facing. I'll review your requirements and recommend the most practical approach. Let's schedule a quick Upwork Zoom call to discuss your infrastructure and next steps.