Linux System Administrator
Bayt.com
Total years of experience :5 years, 0 Months
Responsible for handling various operational tasks includes the comprehensive execution of following services & technologies:
• Successfully configured and managed Linux servers across on-premise, OCI, and AWS cloud environments.
• Extensive experience with Oracle Cloud Infrastructure (OCI) services, including Compute, VCN, Storage, NLB, Auto-scale, Custom image, etc.
• Maintained and enhanced the platforms network stack and overall infrastructure, ensuring optimal performance.
• Played a key role in maintaining, improving, and automating both new and existing infrastructure, utilizing Bash scripts and batch job automation for development and production environments.
• Implemented multi-availability-zone architecture, load balancers, and monitoring systems to ensure high availability and optimal performance.
• Implemented configuration management for web servers, including Nginx and Apache, using Ansible.
• Automated server provisioning, configuration, and release using Terraform, Ansible, and GitLab CI, reducing manual effort
• Led the integration and deployment automation using GitLab CI/CD, streamlining the development pipeline.
• Managed and operated databases, with a foundational understanding of MySQL and Postgres.
• Configured and set up monitoring systems, including Prometheus/Grafana for real-time application traffic monitoring.
• Implemented ELK stack (Elasticsearch, Logstash, Kibana) for centralized logging and server performance monitoring.
• Led technically complex projects, overseeing end-to-end execution and ensuring successful delivery.
Working with a managed cloud service firm and responsible for handling various Operational tasks includes the comprehensive execution of following services & technologies:
• Facilitates integration of the cloud infrastructure into existing, traditional IT operations management processes as needed
• Actively participate to implement DevOps concepts
• Working experience on AWS platform
• Websites migrations
• Technical support through (Email & Ticketing).
• Web administrations (Nginx, Php-fpm, Apache, Cache layers)
• Handling of SSL certificates and installation of lets encrypt certificates
• Integration of CDN (CloudFlare)
• Database management and operations (Basic of MySQL)
• Tech Stack (LAMP, LEMP)
• Configuration and Administration of Windows Server 2012/2016, Active Directory with roaming profile, FTP, DNS, DHCP, Linux OS under various LAN and WAN environments
• Documentation of IT audits (ISMS ISO270001 and ITSM ISO20000-1) Companywide under a supervision Of Team Lead.
• Configuration and Managing Local VPN Server configuration for both (Commercial & Enterprise).
• Monitor all Inbound and Outbound calls running on entire Sybrid organization based on Asterisk.
• PFSense Proxy Server Deployment with DHCP Static Mapping, OpenVPN Configuration, NTOP and Mac Authentication.
• Managing and Configuration of customers DID and update the panel accordingly.
• Managing Cloud VPN Servers (For accessing the US based website with controlled access)
• Address user tickets regarding Hardware, Software and Networks.
• Testing work stations for smooth connectivity and ensuring proper functioning Maintain computer peripheral devices like network printers and resolve associated problems Monitoring of LAN/WAN through Monitoring software NMS.
• Dealing with vendors and SPs (service providers) for Business continuity.
• Guide users with simple, step-by-step instructions Customize desktop applications to meet user needs.
• Record technical issues and solutions in logs conduct remote troubleshooting.
• Providing MRTG to MPLS and IP Bandwidth Customers. Problem Monitoring & Escalation as per specified procedures Logging and keeping records of customer/employee queries
• Analyzing call logs so you can spot common trends and underlying problems
• Updating self-help documents so customers/employees can try to fix problems themselves Identify and escalate priority issues per Client specifications
• Vendor Coordination for smooth business continuity.