Naim Khan

About Me

System Administrator with nearly 6.7+ years of hands-on experience managing large-scale Linux infrastructures and transitioning into DevOps automation. Skilled in building secure cloud environments, automating deployments, and implementing CI/CD pipelines. Proven ability to bridge development and operations - improving scalability, reliability, and delivery speed across enterprise systems

Core Technical Skills

• Platforms: Linux (CentOS, Ubuntu, RedHat), Windows Server

• Cloud: AWS (EC2, VPC, S3, RDS, ECS, Lamda, CloudWatch), Azure (with Azure DevOps)

• Automation & CI/CD: Ansible, Terraform, Git, GitLab, GitHub Actions

• Containerization: Docker, Kubernetes

• Web Servers: Apache, Nginx

• Database: MySQL, MariaDB Galera, MSSQL, Oracle 19c, PostgreSQL

• Monitoring & Security: Prometheus, Grafana, fail2ban, firewall management, SSH hardening, IAM

• Networking: DNS, SSL/TLS, VPN, Load Balancing

• Scripting: Bash, Python, Shell, PHP

Employment History: Total Year of Experience: 6.7 Years

System Administrator- ONODA Inc. | July 2024 – Present

JICA Loan Project - 520,000 prepaid gas meters installation in Bangladesh

• Manage 50+ Linux/VMware servers supporting 520K+ public users with 99.9% uptime.

• Built secure AWS infrastructure (EC2, VPC, IAM, S3); migrated 10+ VMs from on-prem.

• Supported development teams in deploying applications through CI/CD pipelines and version control.

• Automated provisioning, patching, and user management using Ansible, cutting manual effort by 60%.

• Designed and maintained GitLab CI/CD pipelines for PHP-based applications with Terraform integration.

• Deployed and managed Prometheus, Grafana, and CloudWatch for proactive monitoring and alerting.

• Configured and secured Apache/Nginx web servers with SSL, caching, and reverse proxy setups.

• Collaborated with dev, DB, QA teams on architecture design and documentation.

Associate System Administrator- MicroMac Techno Valley Ltd. | August 2021 – June 2024.

Leading software development firm specializing in banking solutions and custom software

• Managed 100+ Linux/Windows servers supporting 25+ enterprise projects including 20+ organizations.

• Streamlined deployments and environment setup through Git-based CI/CD workflows.

• Operated VMware ESXi, Proxmox, and cloud environments ensuring zero-downtime migrations.

• Recovered and hardened infrastructure post-ransomware attack with VPN-based access enforcement.

• Maintained MySQL/MSSQL/MariaDB databases and automated backup jobs ensuring data integrity.

• Provided full-stack infrastructure support - servers, network, storage, and security.

Executive- Aamra Networks Limited(ISP & IIG) | March 2019 – July 2021

• Implemented firewalls, VPN, and monitoring solutions for service reliability.

• Delivered 24/7 client support (LAN, WAN, Network) ensuring system availability and performance.

Key Achievements

• Reduced server provisioning time from 2 hours → 15 minutes via Terraform + Ansible automation.

• Implemented Prometheus + Grafana stack, improving incident response by 40%.

• Built secure CI/CD pipelines (GitLab → Web Server) for automated application deployments.

• Strengthened system security via IAM policies, SSH hardening, and centralized monitoring.

Education:

Bachelor of Science in Computer Science & Engineering | North Western University | 2019

Training:

Red Hat Certified System Administrator (RHCSA)-United International University (UIU- CENTeR), (2025)

AWS Solution Architect Associate (SAA-C03)– CSL Training (2025)

VMware vSphere 8.0: ICM (2V0-21.23) – CSL Training (2024)

Cisco Certified Network Associate (CCNA) – KUET (2019)