SUMMARY

• 6 years experienced, meticulous & detail - oriented Linux System Administrator/ Engineer possessing a proven track record of mission critical server development & management, cloud management & automation, process enhancement, system administration as well as stakeholder management.
• Acumen in Devops tools like containers (Docker), Kubernetes, GIT as well as automation of daily and repetitive task by using automation tools like Ansible and shell scripts. Proficient in the deployment as well as management of cloud based infrastructure, especially on AWS. Cognitive in managing different internal as well as external stakeholders and troubleshoot issues and initiate corrective actions.

TECHNICAL SKILLS

TOOLS TO TRADE: Bash scripting, Ansible, VMware, AWS, EC2, S3, ELB, RSD, IAM, Cloud Watch, NFS, TCP/IP, FTP, FTP, DHCP, SSH, DNS, Apache, NAGIOS, PXE, SAMBA, LVM, PXE Kickstart, Git, Github, Gitlab, Active directory, LDAP. Openstack, G-Suit, CICD, Jenkins, Python, Bash Scripting, Dockers, Containers, Kubernetes, Git Repository, AWS, Cloud Computing, EC2, IAM, S3, ELB, Glacier, Route 53, SolarWinds, BMC Remedy, Nagios, Splunk, BladeLogic, Troubleshooting, Decommissioning, VDI, Ldap, PXE Boot and Kick start, EXSI, Storage (NAS DAS ISCSI), Vulnerability management, Performance monitoring, Scripting, Puppet installation, Ansible, VMware and vSphere VMs, Server Migrations (p2v), Automation and tasks, Channel bonding, KVM virtualization, Kernel Tuning, User management, Package management, YUM Repository, Decommissioning and monitoring management, Company Rules and regulations, Replacing server parts wif vendor, Data destruction, Direct user support, Ticket assessment and prioritizing, Raid levels, File system, Monitoring process, LV center, VMware virtualization, Networking Troubleshooting, IP tables firewalls SeLinux, Monitoring tools Nagios, User management, Installing Linux and other OS, Net Backup, Corn Jobs, Network adapters and switches, TCP/IP and UDP, Ilo and idrac, VSftpd, Apache and httpd, DNS DHCP SNMP NIS NFS, Upgrading services, Mounting resources, Installing and managing new services, Disk management, Hypervisor, provisioning, Wireshark and tcpdump

PROFESSIONAL EXPERIENCE

Confidential, Jersey City, NJ

Linux Engineer

Responsibilities:

• Responsible for installing, configuring, and maintaining Linux servers RHEL 6,7 and CentOS 6, 7
• Deploying, Maintaining, Administrating, Provisioning, and troubleshooting of Linux servers.
• Ensure automated installations of Operating System using PXE/kickstart for Red Hat enterprise Linux
• Managing Packages by using Red Hat Package Manager (RPM)
• Managing and automating ESXi host configuration across many hosts and clusters, creating templates, clones, snapshots of VMs, and performing resource management.
• Automating the patching of Linux servers by deploying Ansible playbooks to harden against security vulnerabilities.
• Using Ansible Ad-hoc commands by utilizing CLI to quickly ensure and retrieve the state of servers wif the halp of the specific modules.
• Configuring the Ansible Tower to manage Multiple Nodes and Inventory for different Environments.
• Automating administrative tasks, reducing, and improving task efficiency by deploying Bash shell scripts to perform.
• Creating Docker containers for testing environment to test the applications and Worked on Docker-Compose.
• Administration of virtual and physical Linux servers, which includes installation, configuration, testing and troubleshooting.
• Experience working wif AWS services such as EC2, S3, IAM, Elastic load balancing (ELB), VPC, Route53 and CloudWatch.
• Using AWS, which included managing application in the cloud, creating EC2 instances and managing storage in S3 buckets and Glacier. Set policies and roles using IAM.
• Working on AWS Identity and Access Management (IAM) to manage users and groups to assign permissions to allow or deny their access to AWS resources.
• Monitoring AWS services and resources through CloudWatch.
• Planning and implementing S3 buckets and archiving data in glacier for storage management.
• Hands-on experience using Ansible as a configuration management tool; to automate tasks, deploy applications, patch servers, and orchestration.
• Creating, managing, and debugging bash scripts for system configuration and automation of everyday tasks.
• Utilized Git and GitHub for version control wif scripts, playbooks, and AWS templates
• Managing the users accounts, file systems, service accounts and home directories
• Managed disks by LVM for the management of disk volumes and created file systems on the disk as per requirement.
• To improve performance and for the purpose of redundancy managed RAID (RAID 0, 1, 5, 6, 10).
• Vigilantly monitoring performance of CPU, Memory, Disk utilization and network for this purpose used monitoring tool me.e. Nagios.
• Performed scheduled system backups, monitored system logs, performance monitoring and capacity planning in anticipation of system resource usage and needs.
• Worked wif Ansible playbooks for virtual and physical instance provisioning, configuration management, patching and software deployment.
• Install, Configure, Update, Patch and Troubleshoot VMware infrastructure (VMware ESXi server, vCenter, VMware).
• Designed and Implemented virtualization solutions based on VMware ESX 5.5, 6.0, 6.7 and vCenter Server components and managed virtual center permissions.

Confidential, Piscataway, NJ

Linux admin

Responsibilities:

• Analyzing, designing, testing deploying, administrating and providing support for new and existing RHEL systems and servers running on physical and virtual basing infrastructure.
• Performing automating installation using PXE boot Kickstart.
• Using VMware to eliminate application downtime from planned server maintenance by migrating running virtual machines between hosts.
• Responded to server down alerts in a timely manner and brought them up via HP iLO/ Dell iDRAC.
• Monitored and optimized system performance using various performance tools such as top, vmstat, iostat and kernel tuning.
• Configured and maintained Samba Server, NFS Server, and clients, DNS clients and Auto File systems.
• Delivered technical support by troubleshooting day-to-day issues wif various Servers on different platforms
• Installation, configuration and maintenance of DNS, DHCP, FTP, NFS and Apache.
• Managing, installing, and upgrading software packages using YUM and RPM and creating YUM repository files for offline servers.
• Performing RAID configuration on physical servers prior to OS creating LVM logical volumes on both physical and remote servers.
• Managing and resolving incident tickets opened by clients as well as those logged by event monitoring system.
• Writing Bash scripts to automate the routine process such as backup and system activity reports
• Configuring and maintaining System Securities using IP Tables
• Managing the updates and upgrades of software’s including the kernel and ensuring that such upgrades do not interfere wif running applications.
• Troubleshooting memory relating problems which involving the creation of Swap space and no destructive addition of hot swappable devices.
• Responsible to monitoring performances and troubleshoot any performance, application, system and user related issues.
• Configured Network Interface Cards (NIC) for bonding assignments for redundancy, enhanced performance and fault tolerance on various modes.
• Managing the rotation of log files basing on corporate backup policy.
• Creating and maintaining technical documentation.
• Coordinated wif vendors like HP, Dell and Microsoft for Server for hardware and Software issues.

Confidential, Bentonville, AR

Jr. Linux admin

Responsibilities:

• Created users, managed user permissions, maintained User.
• Created users wif root's privileges and users wif limited root's privileges (sudo users).
• Ensured file system security using basic and advanced permissions, triggering Access Control Lists on file systems as well as file permissions.
• Setup SSH key based authentication
• Managed storage related issues such as logical volumes on both physical and remote servers.