Yash Vishnoi

Skills and Expertise.

Linux and System Administration

• Intermediate to advanced knowledge of Linux administration (RHEL, Ubuntu, SUSE).
• Developed requirements for system modifications and new system installations.
• Experience in DHCP, DNS, and IP management tools.
• Performance troubleshooting and capacity planning for Linux/Unix environments.
• Strong knowledge of server hardware, software, and firmware upgrades.
• User administration and authentication management using LDAP.
• System security, patching, and upgrade management.
• Proficient in LVM (Logical Volume Manager) and Linux file systems.
• Kernel tuning and system parameter optimization.
• Experience in failover clusters for high availability.

Networking, Security and Load Balancing

• Hands-on experience with TCP/IP, routing, DNS, and NFS troubleshooting.
• Firewall configurations and SSH key management for secure access.
• Implementation of system security measures and compliance adherence.
• Load balancing virtual servers running critical applications using FortiADC.

Automation & Scripting

• Experience with automation and configuration management tools: Ansible.
• Scripting expertise in Bash, Python, and PowerShell for automation.

Monitoring & Infrastructure Management

• Proficiency in monitoring tools: Zabbix and Grafana, for system health checks.
• Experience with virtualization technologies: VMware, Hyper-V.

DevOps & CI/CD

• Implementation and optimization of CI/CD pipelines for seamless deployments.
• Maintained version control systems such as Git and Github for all software development projects.
• Infrastructure automation using Ansible.
• Troubleshooting and optimizing containerized environments.

Disaster Recovery & High Availability

• Experience in disaster recovery planning and execution for business continuity.
• High availability clustering and failover configuration.
• Collaborated with developers in order to troubleshoot application related issues quickly.

Patching and Upgradation

• Updated software upon release of vendor patches to mitigate vulnerabilities.
• Coordinated with other teams for successful rollouts of new features or bug fixes.

Confidential IT Services Company.

• International Onsite: Duration: September 2024 – November 2024 Location: Nairobi, Kenya Objective: Led the design and deployment of a Hyper-V cluster on 10 physical HP servers, enhancing virtualization capabilities and system performance.
• Designed and implemented a Hyper-V Failover Cluster with physical HP servers, ensuring high availability and optimal resource utilization.
• Established a comprehensive disaster recovery (DR) environment, including replication strategies, and failover testing to ensure business continuity.
• Managed the seamless migration of over 500 virtual machines from legacy infrastructure to the newly deployed on-premises HP server cluster, improving performance and scalability.
• Collaborated with the network, storage, and security teams to assess infrastructure requirements and implement best practices for virtualization and disaster recovery.
• Configured and optimized HP ProLiant servers, SAN storage, and networking components, ensuring stability and efficiency.
• Provided training and documentation for client IT staff, ensuring a smooth transition, and enabling them to manage the new Hyper-V infrastructure effectively.
• Successfully completed the large-scale migration within the agreed timeline and budget, exceeding client expectations.
• Enhanced system uptime and reliability by leveraging best practices in clustering and disaster recovery strategies.
• Improved server performance and resource allocation through optimized Hyper-V configurations on physical HP hardware.