SUMMARY:

To obtain a System Administration/DevOps position with learning opportunities and advancement. My extensive knowledge and experience with Operating Systems Installation, packages and Patches, automation, maintaining user accounts, System Security maintenance, backup/recovery, performance tuning, troubleshooting at various levels etc. I have excellent analytical and problem - solving skills, ability to communicate at different levels based on the knowledge of the end user. I have ability to manage and maintain a fluid environment. Looking for a position where I can maximize and enhance my 14 years of experience.

SKILLS & ABILITIES:

Operating System: Red Hat, CentOS, Ubuntu (5, 6.4, 6.5, 6.6, 6.8, 7, 8).

DevOps: Coordinating and gathering requirements from different teams for automating build and deployments of applications using DevOps tools.

Virtualization: VMWare Workstation 9,10,12,14, ESXi 5.5,6,6.5 and Vsphere.

Network: LAN, TCP/IP, UDP, DNS, DHCP, LDAP, VLAN, HTTP, FTP, SSH, NFS, NIS, SMTP, SNMP, TCP dump

Application Server: SSH, SFTP, NIS, NFS, send mail, Nagios, McAfee Found stone Vulnerability Manager, DNS, DHCP, Apache, PXE boot Process, Kickstart

Languages/Scripting: Bash, C++, Python, Java, Pascal, Visual basic, Visual C++

Scripting: Playbooks in ansible, Shell scripts using Bash

Database: MySQL, SQL, Oracle

Automation Tools: Red hat Satellite, Ansible, BladeLogic Bash Script

Storage: iSCSI, DAS, NAS, SAN, LVM, Raid level configuration (0, 1, 5, 6, 10)

File System: Ext2, Ext3, Ext4, NFS, XFS

Package Management: RPM, YUM repository, RedHat Satellite

Disk Management: Logical Volume Management (LVM) and SAN

SAN: Coordinated with technical teams for maintenance and support of SAN networks on Linux and Windows platforms.

Monitoring Tools: Splunk, Nagios, and CloudWatch

Cloud Technologies: Dockers

AWS: EC2, S3, IAM, EBS, VPC, Route53, Auto-Scaling, (IaaS, PaaS, SaaS)

Backup Tools: NetBackup, gzip, bzip, tar, rsync

Ticketing System: ServiceNow BMC remedy

Documentation/CRQ: Confluence, CRQ, RFC, Git

Extensive Experience of: User Management, Package Management, Disk Management. Monitoring the health of servers, scheduling cron jobs. Following decommissioning of Physical and virtual Linux servers, Patching, Research and implement automated DevOps strategies, and learn new trends in DevOps implementation.

EXPERIENCE:

Linux Systems Admin

Confidential, New York City, NY

Responsibilities:

• Responsible to planning, coordination and executing server patching activities across GRID. GRID platform has over 23,000 servers globally and a number of vulnerabilities appear throughout the year during server scans. This resource will keep track of vulnerabilities, their severities and priorities.
• OS hardening, tuning, and complying with security audits providing backup solutions such as NetBackup
• Installation, configuration and maintenance of PXE, NIS, NFS, DNS servers.
• Resolving package management dependency issues for pre and post patching processes.
• Troubleshooting OS and application performance related issues in RHEL5,6,7
• Automating manual processes using any scripting language (bash, python, shell scripting), writing Ansible play books for post/pre patching. Involved in writing various custom Ansible playbooks for deployment orchestration and developed Ansible Playbooks to simplify and automate day-to-day server administration tasks. Installed and Implemented Ansible configuration management system, Used Ansible to manage Patching, Environments configuration Files, Users, Mount points and Packages.
• Satellite Server knowledge and experience, have heavily used ansible for patching
• Writing the bash scripts to automate daily tasks e.g. user management, service
• Developing, implementing, provisioning, and troubleshooting storage and virtualization infrastructure, Maintaining application health and the integrity of information.
• Participating in Disaster Recovery activities. Maintaining backup and disaster recovery systems.
• Working on decommission of legacy servers including removal of DNS
• Performing normal and exceptional processing of user access and change requests, escalating such requests when appropriate.
• Assisting and training junior team members in the use of patching tools, the preparation of security reports and the resolution of security issues. system performance monitoring kernel tuning, debugging OS failure
• Creating, managing and troubleshooting of Logical volumes (LVM) for Linux operating systems, configuring network file sharing and enabled remote mounting file systems, Installing and modifying several packages, Installation & Configuration of Logical Volume Manager - LVM, SVM and Veritas Volume Manager, resized disk space and created new mount points, created users with limited and full root privileges, tasked with file transferring using FTP, VSFTP, TFTP, and SCP.
• Reviewing system and application logs for troubleshooting.
• Creating repositories, branches, pushing, pulling code on GITHUB

JR Linux Systems Admin

Confidential, Jersey City, NJ

Responsibilities:

• Knowledge of AWS Cloud services such as EC2, RDS, EKS, IAM and S3 for both Operations and Migrations
• Monitoring and alerting of production and corporate servers such as EC2 and storage such as S3 buckets using AWS Cloud Watch.
• Rack and stack and kickstart/jumpstart of new server builds. Perform vulnerability scans of new systems.
• Implementation of RAID techniques and the creation of Disk groups
• Migrated VMware Virtual servers from one host group to new host group using Vmotion.
• Installing new hardware, software, and Unix Operation systems support of existing bare-metal or virtual servers and platforms.
• Provided Level 2/3 support to other IT group’s examples, installation and configuration management of security systems and applications, including policy assessment and compliance tools, network security appliances and host-based security systems. Install, configure, maintain and support Apache Web Server.
• Mounting the file system, cron-jobs adding in Red Hat Linux
• Setup and configured NFS servers and client as well NFS auto mount.
• Regular disk management like adding/replacing hot swappable drives on existing server's workstations, partitioning according to requirements, creating new file systems or growing existing one over the hard drives Configured yum repository server for installing packages from a centralized server and maintain the servers
• Escalation to senior management, including testing summaries, business impact, and estimation of time to resolve the issues
• Setting up optimal RAID levels (fault tolerance) for protected data storage in NAS environments. Install and configure DHCP, DNS (BIND, MS), web (Apache, IIS), and file servers.
• Built new server using PXE Boot kickstart and media (DVD Rom and USB).

IT Technician

Confidential

Responsibilities:

• Install Hardware
• Deploy OS
• Deploying Applications
• Trouble Shoot