Vaneet Dhiman

Mr. Vaneet Dhiman Senior Linux Engineer (L4) Technical competency (8.10 Yrs Experience) Hands-on experience with RHEL, CentOS, Debian, and Windows – (8.10 yrs) Experience of managing large scale Linux server environments: handling Linux environment, including deployment, administration, networking, performance monitoring, and tuning, security hardening, troubleshooting, and production operations – (7 yrs) Deep understanding of Unix Fundamentals as well as OS commands/utilities Package management using yum, rpm, and apt-get – (7 yrs) Storage management skills – (3 yrs) Understanding and experience of database configurations, being familiar with MySQL (6 yrs) and PostgreSQL (2 yrs) Working knowledge of scripting languages including Shell and Python – (5 yrs) Understanding and working experience of multiple DevOps tools such as Docker, Swarm, Jenkins, and Ansible – (1.5 yrs) Thorough knowledge of HTTP(S), SMTP, TLS/SSL, DNS, and LDAP – (7 yrs) 7+ years experience in technologies including Apache, Nginx, Postfix, Squid, Sendmail, MySQL Experience of system/application administration in a distributed, customer-facing, high availability and large scale environments – (7 yrs) Strong working knowledge of networking, packet tracing, understanding latency, and throughput in order to pinpoint or resolve application issues – (6 yrs) Experience of working with Amazon Web Service, VMWare, and other cloud management frameworks – (5 yrs) Basic knowledge in monitoring (Zabbix, Nagios) – (1 yr) Solid understanding of the benefits of container-based technologies and how teams can deploy in this model Knowledge of disk management tools such as LVM – (2 yrs) Employment Covalience, LLC July 2016 - Present Senior Linux Engineer Analyzed, designed, developed, tested, deployed, administered, and provided support for new and existing Linux systems and servers running on physical, virtual, and cloud-based infrastructure Works with the team to evaluate and tune system performance and right-size virtual and physical servers Establish work priorities by considering importance and urgency Perform standard configuration, management and maintenance tasks for Linux servers Deploy internal and client-side application software updates in multiple environments, from Development to Production, per established Change Control process Generate and drive Continuous Improvement initiatives aimed at improving business performance Demonstrate senior level infrastructure and architectural knowledge, playing a vital role in the design of development, staging, and production infrastructures running in 24x7 environments Develop and deploy disaster recovery procedures and operations Developed automation framework using programs such as Crontab. Also wrote custom scripts which automated custom routine processes such as backups, hardening, and upgrades using Bash and Python Managed the updates and upgrades of software including the kernel and ensured that such upgrades did not interfere with up and running systems Managed storage-related issues such as logical volumes on both physical and remote servers Attended regular team meetings, shift management, team activities, as well as providing one-on-one support to members of other teams that needed specific solutions to Linux related problems Setup AWS EC2 and RDS systems and configured SaaS systems Established network security using FirewallD and IP Tables Secured sites with SSL certificates Configured SELinux policies Established application-level security such as TCP wrappers Ensured that new systems are designed, developed, tested, and deployed in a secure environment and systems are locked down securely during patching and upgrades Provided security reports and updates to upper management on a regular basis, and adjusted security measures as desired by management Gensys Infocare Pvt Ltd Feb 2015 – July 2016 Senior Linux Administrator Oversees and manages the installation of Linux servers and software tools providing systems-level monitoring Works with the team to develop Server administration operations documentation Proactively monitors and addresses issues with system performance and capacity Participates in developing disaster recovery procedures and operations Plan and execute project-related work, including server, network, and data center migrations Perform and automate Server Deployment, upgrades and version release management Ensure that systems and infrastructure adhered to cooperate environment hardening and security policies and standards across various dimensions such as network security, user account security, file system security, as well as SELinux policy considerations Set up Kerberos authentication security protocols on authentication servers such as LDAP servers Ensure file system security using basic and advanced file permissions, triggering Access Control Lists on file systems, as well as setting file attributes Analyze, document and provide recommendations for system improvement opportunities Nebero Systems Pvt Ltd Jan 2011 – Feb 2015 Linux support engineer  Install, configure, update and troubleshoot services for customers, such as RedHat Linux OS level concerns, web server, database server, applications server, and mail; includes Nginx, Apache, PHP, RHCS clustering, MySQL, FTP, SSH and DNS Support, configure and automate the deployment of Linux infrastructure through existing Kickstart infrastructure Coordinate with cross-functional teams to develop best practices and standards Handle tasks of providing technical training to peer technology teams pertaining to the relevant area of responsibility Perform operational tasks such as OS deployments, security configuration, and patch management Resolved several boot related issues such as ensuring that specific kernels are used which integrate well with existing programs Troubleshooting memory-related issues which involved the creation of swap spaces and non-destructive addition of hot-swappable devices Troubleshooting and resolving Linux server related issues Apply OS patches and upgrades on a regular basis, and upgrade administrative tools and utilities Education and Professional Training Bachelor of Computer Sciences Udemy Course NE08KLFU – DevOps Essentials Udemy Course JH682TUX – Microsoft Azure Concepts Udemy Course SC9HYXIV – Automation with Ansible