- Set up, configure, and administer Linux-based systems for performance and security.- Deploy and maintain Node.js, PHP, and custom applications in production and staging environments.- Collaborate with development teams to support application scalability, resolve deployment issues, and implement continuous improvements.- Use PM2 to manage Node.js applications for process control, uptime, and load balancing.- Handle application deployments through secure SSH configurations.- Implement CI/CD pipelines using tools such as Jenkins or Github actions.- Utilize Docker for containerizing applications, ensuring consistency across development and production environments.- Develop and manage cron jobs to automate routine tasks like backups, log rotations, and system maintenance.- Apply security measures like UFW and iptables to control network access and protect systems.- Deploy and renew SSL certificates for secure HTTPS communication in web applications.- Perform DNS management, configure DNS records, and troubleshoot domain-related issues for hosted applications.

- Install & configure the OpenVPN Server & Samba on Ubuntu Distro.- Install & configure the BackupPc Server for client backup & implement the policies.- Install, upgrade, and maintain Apache & Nginx web servers, databases MySQL/MariaDB and various critical open-source software used within the company.- Install Proxmox and configure VMs on it.- Deploy PHP, and Node.js websites, custom-built ERP Applications on Linux Servers, and SSL certificate implementation on Websites.- Detecting & fixing systems and application issues ensuring all of the systems, networks& services within the organization function optimally.- Configure Routers, Switches, Load-balancer & VoIP SNOM.- Provide Level 3 Technical support to internal employees and external customers.

• Installation of Hadoop & Kubernetes Cluster on Ubuntu & CentOS • Installation of MS Hyper-V Sever 2012 & Create Virtual Machines. • Administration and Maintenance of MS Windows Server 2012 R2 Domain Active Directory, File Share Server & WDS.• CCTV cameras installation & configuration.• Maintenance of Computer Labs and other Computer Systems in Department. • Ensure Network Connectivity LAN / WAN Infrastructure is on par with Technical Considerations. • Administration & Configuration of ZKTeco Biometrics & Door Opening of 15x Labs.• IT Equipment Purchased & Inventory Management.• Maintenance of Individual Machines, such as Drivers and Settings of Personal Computers, Printers & Photocopiers.

1. Supports Printer/Scanners/Network Cameras/Attendance machines 2. Arranging new PC's on requirement for newly joining.3. Apple products e.g. MacBook, IPhone and IPad’s technical support maintenance andPurchasing.4. Upgrading the IT system and equipment time by time to minimize the bugs.5. Coordinate with Admin Department for daily Tasks.

• Installation of Linux Operating Systems (Centos, Ubuntu)• Install & Configure of Cacti Server• Install & Configure DMA Radius Manager • MikroTik Router OS Settings

• Installation and configuration of Operating System (Linux, Windows)• Configuration and Maintenance of Wired & Wireless Networks• Installation and configuration of Cameras • Windows Server Administration (WDS, AD, DNS, DHCP Servers)• Linux Administration (OpenStack Cloud, VPN, Proxy)• Work on VMware, Virtualization• Installation & configuration Monitoring tools (Cacti, Nagios)