SUMMARY

• Highly accomplished IT professional with extensive technical, software support experience in systems applications, middleware, database, network, server, workload automation, production and development support, infrastructure monitoring, quality/change control, and enterprise security.
• Experience with ITIL ITSM framework and SCM process, including distributed, virtual, web technologies, mainframe, midrange, file/data storage & recovery.
• Proven leadership, project mgmt, organizational skills. Excellent troubleshooting, analytical, problem - solving, and tech writing skills.
• Team-oriented with strong interpersonal communication skills. Committed to company values, aligning IT with business goals and objectives.
• Over 12+ years of experience in the IT industry on various environments, various roles. Be a Part of team having a will to learn, would like to work in a condition that increases my strengths. Aim to be associated with leading IT Company in the areas of Solution design, which gives me better scope, and update my knowledge and skills in accordance with the latest trends. Have adequate knowledge on cloud technologies like AWS, docker, Ansible.
• Strong leadership skills, with the ability to conceive, communicate, and implement problem resolution strategies in order to achieve the best possible stakeholder engagement.
• Experience leading a globally dispersed team of onshore and offshore resources.
• Hire, train and develop team of testing professionals to support the organizations commitment to quality operations delivery.
• Extensive experience in analysis, design, development, testing and implementation of Data center migration from Physical to Virtual environment.
• Acquired knowledge on Cloud technologies including AWS, Docker, Ansible, Jenkins, Nginx.
• Installs, Upgrades, Patches, Configuration, performance tuning on Sun Solaris, Linux and system software & hardware on servers.
• Experience in maintaining large heterogeneous Data Centers of a Mission Critical Environment on diversified network protocols
• Strong knowledge on system installations using jump start, flash installation and live upgrade.
• Good understanding about SAN (OS part), troubleshooting SAN LUN problems, and assigning new LUN’s to the host for volume resizing.
• Experienced in handling all type of hardware failures and system outages.
• Develop, document, and maintain operational processes and tasks.
• Good experience in handling all kind of critical issues within the SLA.
• Good knowledge on ITIL process, change management, incident management, Problem management.
• Highly motivated & conceptually strong individual with outstanding oral and excellent communication, analytical and interpersonal skills.
• Ability to work closely with teams, in order to ensure high quality and timely delivery of builds and releases.

TECHNICAL SKILLS

Server OS Management: Red Hat Linux, Oracle Solaris

Virtualization: VMWare Esxi, Dockers, kubernetes, OpenShift

Cloud Technologies: AWS, Ansible, Jenkins, Nginx, Puppet

Language: Python, Shell

Application Monitoring: Dynatrace

Middleware: Oracle WebLogic

Database & BIG Data: Oracle, Hadoop, Postgres

PROFESSIONAL EXPERIENCE

Confidential

Sr. Unix Administrator

Responsibilities:

• Experience in designing and deploying AWS Solutions using EC2, S3, EBS, Elastic Load balancer (ELB), auto-scaling groups. AWS Instances to enable continuous Deployments.
• Configuring Linux clients (SSSD/nslcd) with AD integration and for authentication via Active Directory services.
• Experience in backup/restore of PostgreSQL databases.
• Design, installation, configuration and administration of Linux 5, 6 and 7 servers and support of OpenShift Enterprise and non-OpenShift support.
• Responsible for design and architecture of different release environments for new projects.
• Work at optimizing volumes and EC2 instances and created multiple VPC instances.
• Migrated UNIX applications to Linux platform (ETL Informatica, Oracle, DB2, AD/LDAP etc.)
• Administer OpenShift Enterprise for cloud operational services.
• Deploying the Open stack components on multi-node with High availability environment.
• Troubleshooting and fixing of problems on WebLogic Application Server by analyzing log files, Thread dumps, Core dumps and Garbage Collection (GC) for probable errors.
• Implemented multi-tier application provisioning in OpenStack cloud, integrating it with Chef/Puppet.
• Part of the Devops team responsible for containerization efforts and migration of Java apps to Openshift Enterprise.
• Performed custom bash script installation for the configuration management of over Satellite Server.
• Implemented solutions for ingesting data from various sources and processing the Data-at-Rest utilizing Big Data technologies such as Hadoop, Map Reduce Frameworks, HBase, and Hive.
• Responsible for Designing, Building, installation, configuration, tuning, security, backup, recovery and upgrades of RedHat.
• Involved in DevOps migration/automation processes for build and deploy systems.
• Troubleshoot OpenShift containers for related issues like crash loop back off, pod restarts, out of memory issues and lack of CPU.
• Configured monitoring tool Dynatrace to optimize infrastructure performance to prevent and anticipate system crises System monitoring .
• Hands on experience on Installation, automation and deployment of Open Stack.
• Involved in configuration and Integration of Apache 2.2 Server with WebLogic and Jboss.
• Implemented a Continuous Delivery framework using Jenkins, Puppet in Linux environment.
• Install, configure and maintain web server like Apache Web Server.
• Design highly available systems using multiple EC2 instances, Auto Scaling, Elastic Load Balance and AMIs.
• Managed various file systems using VxVM, LVM and SVM and also configure file systems through network using NFS, NAS methodologies and installed RAID devices.
• Create Docker containers to build ship and run any app or image to deploy the applications.
• Orchestration of Docker images and Containers using Kubernetes by creating whole master and node.
• Maintains the integrity and security of servers and systems, by creating and managing security groups.

Confidential

Responsibilities:

• Administering and supporting 1000+ physical servers & VMs hosted in different hardware.
• Performing onsite data center operations such as racking/stacking/labeling/cabling/configuring iLO & iDRAC consoles/installing OS of new physical servers, both OS level and physical server decommissioning, Tape Library management, tape offsite, Build/Deploy and configure RHE6/7/Ubuntu/CentOS/Fedora DB/APP production/dev/QA VMs, OS hardening, OS upgrade, and security patch updates.
• Automated the server installation in DC through satellite server .
• Automated to promote the synced rpms in the satellite to the various capsule servers content view and composite view in the lifecycles.
• Shell scripting, managing and administering Redhat Satellite servers managing lifecycles over environment, servers hardware and OS trouble shooting, handling incident tickets in service now ticketing tool, planning and implementing changes, performing RCA, Creating procedures/SOPs/docs in confluence, performing CMDB operations in Service Now, using puppet to configure new VMs/servers.

Confidential

Sr. Unix Administrator

Responsibilities:

• Managing the teams across offshore and onshore.
• Providing Remote Infrastructure Support at different geographical locations, which includes more than 8000 Linux & Solaris servers.
• Working on High Priority issues and provides the on time resolution to meet the SLA.
• Installing Red hat Linux using kick start and applying security polices for hardening the server based on the company policies.
• RPM and YUM package installations, patch and other server management using Satellite server.
• Managing systems routine backup, scheduling jobs like disabling and enabling cron jobs, enabling system logging, network logging of servers for maintenance, performance tuning, testing.
• Actively engaged in troubleshooting efforts for CentOS, Linux & Solaris OS, network, and/or applications. Fine tune system for optimal performance.
• Configuring and managing Veritas cluster for high availability and Veritas volume manager for data redundancy .
• Creating technical plans and implementing changes on production servers.
• Troubleshoot the Disk Management. Replacement the failed disks.
• Root cause analysis after Panic/Dump/Crash related to Solaris by coordinating with vendors as and when required
• Creating, Resizing, Restarting, and Removing using volumes Veritas Volume Manager & LVM
• Installation, Configuration, Upgradation and Administration of VERITAS Volume Manager.
• Switching the Service Groups across the nodes in the cluster during system maintenance activities and Clearing the fault in resources and bringing SGs online.
• Working on standard ITIL based processes like incident management, change management and problem management processes
• Creating and maintaining support documentation & checklist and knowledge base repository.
• Keep customers informed of priority and progress of their request. Responding and escalating to monitored infrastructure events. Classifying and describing Incidents and Service Requests.
• Escalate and report the service/system outages to next level of Engineers. Update and close ticket on incident closure. Sending Daily Activity Reports.
• Deployed Red hat Enterprise Linux OS on HP Proliant Servers (DL Series), Intel Xeon, P4 Servers and also using advanced installation like custom kick start, Network NFS/FTP installation.
• Actively engaged in troubleshooting efforts for OS, network, and/or applications. Fine tune system for optimal performance.

Confidential

Sr. Unix Administrator

Responsibilities:

• Managing Datacenter and to provide 99.95% uptime to end user.
• Maintaining & Managing 5000+ Solaris / Linux servers
• System Administration & Hardware Maintenance.
• Scheduled Patch Implementations & Firmware Upgrades.
• Managing, applying changes and fail-over schedules of HA servers
• Unix Administration, System performance, resolving bottleneck in production. User management, disk space management, Scheduling Jobs & coordinating with DBA in production environment.
• Setting up network environments using TCP/IP, NIS, NFS, DNS, SNMP agents & DHCP.
• Planning downtimes and sensitizing the customer the criticality of the requirement.
• Performing all kinds of activities related to the LVM (SVM and VxVM) like creating/destroying DG, add/remove/replace disks to DG, make/remove/resize the volumes with appropriate layout, upgrading DG, import/deport DG, attaching/detaching root mirror and troubleshooting the issues
• Working on SVM & VXVM for mirroring & RAID.
• Working on Cluster activities like fail over between nodes. Adding a resource in cluster, making resource down.
• Managing the hardware with ALOM and RSC.

Confidential

Technical Specialist

Responsibilities:

• Monitoring and Resolving problems relating to Internet Servers, Services, Databases, Helpdesk queries (Level 2) and interacting with other Internet nodes to resolve issues regarding Internet services, etc.
• System & Network Administration of large group of systems & network SUN, Linux, Windows Servers, Modems, Routers and Switches.
• System Monitoring (Heavy Disk I/Os, CPU Utilization of each server, Load on each server.
• Share folders and assign permissions to those shares, assigning and managing disk quotas.
• Setting up and sharing the network printer, planning and scheduling backups.
• Implementing, Managing and Troubleshooting hardware devices and drivers, installing service pack and updating drivers.
• Support company mail infrastructure by maintaining multiple mail servers and assisting users with mail related questions.
• Maintaining the backup of all the logs of users and mail logs for future correspondence.
• Installation and preventive maintenance regarding system upgrade and implement diagnostic packages, Networking hardware and installation.
• Configuring and Administration of users, groups, Creation/Deletion, Monitoring Mail Queues, File systems, network printer & device drivers.
• Administration, Monitoring, Disk space Management, Ensuring Data security and Access control on Servers
• Managed Systems and Network related issues like Installation, Configuration and Troubleshooting on Solaris platform.

Confidential

Project Co-Ordinator

Responsibilities:

• Ensuring process compliance for quality of resolution for customer complaints/Requests and Inquiries for Technical faults.
• Driving and monitoring SLA compliance of other functions towards customer issues.
• Responsible for comparison and publishing analytics on key service delivery inputs, publishing dashboards and regular reviews with circle team.
• Tracking the Complaints and requests from Nodal Team and provide end to end resolution.
• Providing vital inputs to the top management for strategic decision making and realignment.
• Analyzing the reports and trends and facilitating Root Cause Analysis (RCA) and implementation of action points coming out of the RCA.
• Highlighting to management any customer dissatisfaction arising to process or people related non-compliance and suggesting corrective action.
• Replicate best practices and initiate process Improvement projects. Resolving and Replying to the queries received from the customers via mails.
• Handling Escalated Cases received at Nodal Officers Helpdesk.
• The responsibility includes coordination with different department and at any level for resolution.
• In further addition to KRA, also given the responsibility to retain the customers.
• The responsibility includes coordination with different department and at any level for resolution.

Confidential

Unix Administrator

Responsibilities:

• Installing and configuring Linux, Solaris and windows servers as per the requirement.
• Experienced in Volume management, Disk Management, software RAID solutions using VERITAS Volume manager. File system Tuning and growing using VERITAS File System (VxFS), coordinated with SAN Team for storage allocation and Disk Dynamic Multi path.
• Creating VG, LVs and filesystem and hardening the server as per the company standard checklist.
• Performance tuning the servers, files systems extension as per the request and requirement.
• Coordinating with application teams in installing application like IBM clearcase, SAP and oracle
• User Id creations and password resets as per the request.
• Setting up servers and installation of applications and configuring the users as per the application requirement at client site.
• Examining health check of servers at client site on monthly bases.
• Managing the disks and file system on AIX and RHEL servers for increasing the file system Where required and creating new file systems as per the change management
• Tuning system for better performance using native tools for AIX on network, San disk, and filesystem and memory management.
• Accounting management (User accounts, Disk quota, Scheduling jobs).
• Interacting with IBM Customer Support for trouble shooting and break fix.

Confidential

Sr. System Engineer

Responsibilities:

• Setting up of new Server hardware and Install and Configuration of Sun Solaris, and Red Hat Linux.
• Creation of user accounts and granting permissions to home directories, files and directories.
• Installing required software packages for application requirements.
• Setting up of hardening according to the provided check list by application team.
• Interaction with customer for data collection, conversion and acceptance.
• Installation, Configuration and Troubleshooting of Linux server.
• Giving Support to the clients spread all over India.
• Remote Administration of Linux servers at different clients Location.
• Installation and Uninstallation of Packages using RPM.
• Proxy Server (Squid):- Installation and Configuration, allowing port on Internet, restricted site through ACL. Secure services: - SSH, SCP, telnet, tcp wrapper, xinetd access control.

Confidential

System Engineer

Responsibilities:

• Maintaining network & all the setup in the LAN, including the servers.
• Maintaining the inventory of LAN, WAN, and VOICE.
• Update and install the new Patches and Build the Systems.
• Managing and troubleshooting of MS-Outlook.
• Troubleshooting the problems by taking VNC or Remote Console.
• Monitoring DATA and VOICE links and Co-ordination with the Vendor.
• Troubleshooting for all Network & System Problem, Installing and configuring systems and networks, updating them as necessary, and keeping them running properly on a day-to-day basis and Adhering to compliance procedures as per their company standards. Installed and Configured Desktop Computers.