SUMMARY

• Obtained a Linux System Administrator/ Engineer position where I can maximize my +5 years of technical experience of teh IT world encompassing of installation, configuration and maintenance of Linux server - based system and network applications.
• I has good skills in user management, file management, networking, disk management and performance (CPU, Memory and I/O) & kernel tuning integrating wif RHEL 6 & 7.
• Installed, configured, maintained 10,000+ Linux systems and LINUX Servers
• Understanding of pre-patching and post patching issues (kernel panicking, software incompatibility issues) and communicating wif teh vendors to resolve issues for teh stability of teh environment.
• Managed LVM where I created, extended volume and created different file systems on demand basis
• Experience implementing NIC bonding on Linux and VMware systems to increase redundancy and load balancing.
• To avoid performance issues and to achieve optimized performance monitored system activities such as CPU, Memory, I/O usage.
• Worked on Ansible and created and edit playbook to automate deployment and configuration of servers and applications.
• Experience in Ansible management of Users, Groups and Packages, Web applications, Environments configuration Files.
• At home in version control systems like GIT, GitHub for code check-ins/checkouts and branching.
• Working experience wif AWS Cloud services where managed and deployed instances on EC2, used cloud formation to deploy EC2, Cloud Watch, VPC, ELB,S3, AIM and IAM.

TECHNICAL SKILLS

Operating systems: CentOS, RHEL, Linux (Red Hat 6 and 7)

Network: TCP/UDP, DNS, NFS, DHCP, FTP

Automation Tools: Ansible, Ansible Tower, Git, Git hub, Docker

Virtualization and Cloud: VMWARE, ORACLE VIRTUAL BOX, AWS

Applications: SSH, LVM, PXE BOOT, KICK-START, NFS, EC2, APACHE, TFTP,, TCPDUMP, NAGIOS, FTP

Amazon web service: Ec2, S3, CloudWatch

PROFESSIONAL EXPERIENCE

Linux Engineer

Confidential, NYC, NY

Responsibilities:

• Assist teh Linux Architect wif Linux performance analysis and capacity planning practice by defining and building teh framework and standards, and delivering teh related services.
• Work wif Production Operations team members, Infrastructure team members, Project Managers, to ensure successful delivery of Steady State for all Linux projects.
• Write automation scripts for daily repetitive tasks to reduce administrative overhead.
• Experience wif installation, configuration of VMware vSphere ESXi 6.5.
• Experienced in installation, maintaining, configuration and maintenance of Red Hat Enterprise Linux and CentOS 6 & 7 systems.
• Installed, configured, maintained 10,000+ Linux systems and LINUX Servers (Apache, MySQL, NFS, DNS, DHCP, FTP, PXE Boot).
• Install and upgrade packages on RHEL servers wif RPM and YUM.
• Created user account, adding user in groups for collaboration purpose and controlling permissions and privileges.
• Experience implementing NIC bonding on Linux and VMware systems to increase redundancy and load balancing.
• Working experience wif AWS Cloud services such as EC2, S3 buckets, Cloud Watch, ELB and IAM.
• Installed Ansible, created and edit playbook using roles, tags and handlers to deploy and configure servers and applications.
• Wrote ansible playbooks to automate daily task, such as creating users, providing IP table rules and extending LVM
• Created Ansible playbook to patch 20+ servers using “yum” module.
• Monitoring system performance and check teh status of teh system using utilities such as SAR, TOP, VMSTAT, IOSTAT, IOTOP etc.
• Working experience of DNS, NFS, DHCP, NFS, FTP.
• Work on disk management partition teh new hard disk and LVM in RHEL 6 & 7. Creating file system, mounting and make it persistent.
• Work experience wif RDM and data migration.
• Exposed to Docker. Pulled and build Docker images, stop and started Docker Containers.

Linux Administrator

Confidential, NYC, NY

Responsibilities:

• Effectively played role inuser management, file management, Storage management, Disk Management, Logical Volume Management (LVM).
• Installing, maintaining, administrating, and troubleshooting of RHEL 6, 7 and CentOS 6, 7 systems in virtual, and bare metal.
• Used PXE Boot and Kickstart Took to take teh advantage of network booting and automatic installation of operating system.
• Backed up important files using tar, zip, and other compressing utilities
• Hands-on Experience in monitoring and troubleshooting (Network issues, Server performance issues and CPU/ Memory/ IO issues).
• Developed and maintained cooperative and collaborative relationships wif networking, storage, software development, and project management teams.
• Implementing teh RAID (0, 1, 5, 6, 10) based on teh customers priorities related to performance, and redundancy.
• Ensured password-less SSH for security and automation purposes to create and push SSH keys.

Linux Operator

Confidential, Lockport, NY

Responsibilities:

• Hands on experience in raking stacking servers and fixing printers
• Experienced in tasks like managing User Accounts and Groups.
• Implemented teh RAID (0, 1, 5, 6, 10) based on teh customers priorities related to performance, and redundancy
• Installed OS and applied latest patches.
• Creating project directories and assigning proper permission on them.
• Installed power supply, attached keyboards, mouse and monitors to 50+ workstations
• Created documentation for RAID configuration
• Monitored and maintained system infrastructure