SUMMARY

• 8+ years of extensive Linux/AWS Systems Administration experience.
• Strong Knowledge of disk management tools such as Disk suite, Veritas Volume manager, ZFS and logical volume manager.
• Working Knowledge of clustering tools such as Veritas Cluster server and redhat cluster suite.
• Build, implement and maintain system - level software packages such as OS, Clustering, disk, file management, backup, web applications, DNS, LDAP.
• Experienced in ITIL process implementation, Service Delivery, PMO/ IT Governance processes.
• Experience and understanding of reporting protocols and monitoring tools (syslog, snmp, SAMBA, Nagios, etc.).
• Managing Amazon Web Services (AWS) infrastructure with automation and configuration management tools such as Ansible, Puppet, or custom-built designing cloud-hosted solutions, specific AWS product suite experience.
• Worked with Ansible playbooks for virtual and physical instance provisioning, configuration management, patching and software deployment.
• Experience in automation using tools like puppet and experience in writing scripts to update in crontab.
• Expertise in PXE, Jumpstart and Kickstart installations for RHEL and Solaris OE.

TECHNICAL SKILLS

Operating Systems: RHEL 3.0, 4.x/ 5.x/6.x, SuSE Linux Enterprise Server 9, 10, Sun Solaris 8, 9 and 10 Windows 2003, 2008, AIX 5L

Configuration Management Tool: Puppet, Chef, Docker and Ansible.

Programming Languages: C, C++, Perl, Shell, MySQL, Oracle, and SQL.

Unix Services & Tools: DNS, DHCP, NTP, HTTP, ssh, LDAP, SSH, SSL, sftp, rsync, grep, scp, awk, cvs

Storage Technologies: NetApp NAS, EMC Clariion, VNX, HDS, EMC Powerpath, Snap Mirror, Veritas NetBackup, Volume Manager

Virtualization Technologies: Solaris Zones, LDoM’s, VMWare ESX Server and Vsphere, VMotion

PROFESSIONAL EXPERIENCE

Linux/AWS Admin

Confidential, Vernon hills, IL

Responsibilities:

• Worked primarily on RHEL 4/5/6/7.
• Install Amazon EC2 instances from AMI.
• Knowledge of kernel patching, systems monitoring, networking, and storage protocols.
• Provide 24x7 production environment monitoring and support.
• Created monitors, alarms and notifications for EC2 hosts using Cloud Watch.
• Provided Technical supports for internal users and resolved trouble shooting tickets.
• Managed server on VMware ESX 5.0, provided test environments on virtual machines.
• Servers: monitoring of disk space, system and application errors, memory and swap space utilization, disk performance, CPU, and processes.
• Created Buckets in AWS and stored files. Enabled Versioning and security for the files stored.
• File system administration, create/ configure file systems LVM.
• Installed and configured Nagios monitoring tool to manage infrastructure.
• Worked extensively with AWS services like EC2, S3, VPC, ELB, AutoScalingGroups, Route 53, IAM, CloudTrail, CloudWatch, CloudFormation, CloudFront, SNS, and RDS.
• Perform Linux kernel upgrades and perform performance trouble shooting activities.
• Handle the tasks of monitoring and management of systems build on Linux environment.
• Managed patching using yum repository and satellite servers.
• Installation, configuration and maintenance of RHEL Operating System with Server Virtualization on VMware ESX 5,6, 7.
• Utilized AWS CLI to automate backups of ephemeral data-stores to S3 buckets and EBS.
• Integrated Amazon Cloud Watch with Amazon EC2 instances for monitoring the log files and track metrics.
• Configured S3 to host Static Web content.
• Servers: monitoring of disk space, system and application errors, memory and swap space utilization, disk performance, CPU, and processes.

Linux/AWS Admin

Confidential, New Orleans, LA

Responsibilities:

• Worked primarily on RHEL 4/5/6, HPUX and AWS Cloud.
• Worked as a Program Manager/ ITIL Process Consultant
• Create, test, and maintain Ubuntu/Debian packages
• Deploy a build infrastructure to create Ubuntu/Debian packages more efficiently
• Provide 24x7 production environment monitoring and support.
• Use Amazon S3 for storage and point of origin for EC2S and CDNS.
• Install Amazon EC2 instances from AMI.
• Written playbooks for generating custom SSH keys and uploading to the AWS Cloud.
• Implementing a Continuous Delivery framework using AWS Code pipeline, code commit Jenkin.
• Experience with Microservices using Docker Containers, Kubernetes, OpenShift, deploying.
• Created private cloud using Kubernetes that supports DEV, TEST, and PROD environments.
• Container management using Docker by writing Dockerfiles and set up the automated build on Docker HUB and installed and configured Kubernetes.
• Managed local deployments in Kubernetes, creating local cluster and deploying application containers. applications in multiple Public and Private clouds like VMWare, Amazon Web Services
• Perform Linux kernel upgrades and perform performance trouble shooting activities.
• Experience in supported AWS Cloud and also has experience supporting private and public cloud environments.
• Managed Docker orchestration and Docker containerization using Kubernetes.
• Experience working with Automation tools like Puppet and Monitoring tools like Nagios.
• Managed VERITAS disks, Volumes & disk groups created on HDS SAN devices.
• Managing plex and sub disk in Veritas disk groups to perform Volume mirroring.
• Disk space and File system management using Veritas File System.
• Managed patching using yum repository and satellite servers.
• Storage Array management with Veritas volume Manager Disk Management software.
• Resizing the VxVM file system size.
• Flasharchive/Jumpstart/Kickstart and automating server deployment process.
• Troubleshooting hardware, software and configuration problems for various protocols and topologies.
• Worked on making DSN entries to established connection from server to DB2 database.
• Build channels and pull the packages from master RedHat satellite server.
• Manage user’s accounts for the team access for RedHat satellite server.
• Tuning the kernel parameters base on the application /database requirement.
• Provided Technical supports for internal users and resolved trouble shooting tickets.

Linux/AWS Admin

Confidential

Responsibilities:

• Installation and Configuration of Linux (RHEL 5,6,7) servers.
• Launching Amazon EC2 Cloud Instances using Amazon Web Services (RHEL 7) and Configuring launched instances with respect to specific applications.
• Defined AWS Security Groups which acted as virtual firewalls that controlled the traffic allowed to reach one or more AWS EC2 instances.
• Built Linux Compute Nodes using automated scripts (Kickstart scripts) and NFS server.
• Supported servers running on HP x86 and Oracle SPARC servers like T2000, M5000 and M400 servers.
• Used Kubernetes to orchestrate the deployment, scaling and management of Docker Containers.
• Design, develop, deploy and maintain User mode and Kernel mode Device Drivers.
• Knowledge and experience in Linux device drivers development in the kernel-space.
• Worked with OpenShift platform in managing Docker containers and Kubernetes Clusters.
• Supported Weblogic and Front-end Apache servers using MySQL and Oracle database servers.
• Performed SAN migration activities Confidential host level using LVM mirroring and Open Migrator.
• Building/Maintaining Docker container clusters managed by Kubernetes Linux, Bash, GIT, Docker, on GCP.
• Work with software engineers, Oracle DBA's and customer service personnel to resolve issues and keep our environments operating smoothly.
• Linux deployment, administration, performance tuning, monitoring and account management.
• Used CloudFormation to provision the infrastructure in AWS.
• Built and managed policies for S3 buckets and used S3 bucket, Glacier for storage and backup on AWS.
• Created Buckets in AWS and stored files. Enabled Versioning and security for the files stored.
• Install, configure and integrate new computer systems hardware into the existing environment to meet customer requirements.
• Monitor and maintain normal system administration including the review of system logs, optimization tuning, patch control, and antivirus DAT deployment
• Implement and maintain ESX host clusters and security.
• Create scripts as necessary to automate routine processes
• Provided cross platform data access from Linux to Windows users by deploying Samba.
• Managed Users on Unix/Linux and Windows systems.

Linux Administrator

Confidential, Minneapolis, Minnesota

Responsibilities:

• Involved in migration activities using RedHat LVM, Veritas and EMC open migrator.
• Migrated oracle RAC servers using system EMC open migrator and effectively worked with the database team to bring up /down the databases.
• Writing shell Perl scripting for automation of job.
• Hundreds of servers using puppet.
• File system tuning, growing, and shrinking with Veritas file system 3.5/4. x.
• Installed and configured GFS cluster for holding databases.
• Experienced cloud computing technologies.
• Strong troubleshooting and problem-solving skills.
• Experienced on Managing Servers, Storages and Networks.
• Built Linux Compute Nodes using automated scripts (Kickstart scripts) and NFS server.
• Monitoring the health and stability of Linux and Windows System environments.
• Servers: monitoring of disk space, system and application errors, memory and swap space utilization, disk performance, CPU, and processes.
• File system administration, create/ configure file systems LVM, RAID; troubleshoot and repair file systems, Samba, NFS, DFS and Windows shares.
• Knowledge of kernel patching, systems monitoring, networking, and storage protocols.
• Handle the tasks of monitoring and management of systems build on Linux environment.

Linux/Solaris Administrator

Confidential

Responsibilities:

• Administered Linux clusters consisting of 128 nodes running both on Red Hat and SuSE.
• Perform configuration of standard Linux and network protocols, such as SMTP, DHCP, DNS, LDAP, NFS, SMTP, HTTP, SNMP and others.
• Build, maintain and troubleshoot high availability clusters using Veritas Cluster Server (VCS).
• Added new nodes to the cluster, updated the nodes with patches from RHN and satellite server.
• Applied patches, installed monitoring tools, upgraded BIOS on HPC Clusters.
• Created Puppet manifests maintain customer application data. schedule users to perform High Performance Computing activities on the Linux cluster.
• Managed software Licenses using flexlm.
• Managed Database servers running on Sun Solaris 10 on Sun v480.
• Installed and configured Nagios monitoring tool to manage infrastructure.
• Applied patches and supported Solaris 9 for Oracle Database servers.
• Installed Sun Solaris 10, Veritas Cluster Server and Veritas Volume Manager.
• Performed Kernel tuning and Kernel patching.
• Monitored System Performance, Tuned and optimized systems for better performance.
• Managed Disk using LVM, resized disk space when required. Managed disk space from NetApp filers
• Setup NTP server and synchronized clients with NTP server.
• Troubleshoot application problems by diagnosing issues.
• Provided 24/7 support coverage, pager support and weekend support.