SUMMARY

• I am a senior level Linux System Administrator and a junior level DevOps technician working In the IT industry for the past 5 years.
• I am a dedicated Team player with high understanding of the Linux/Unix operating system for business IT service management.
• I have a long track record of making sure systems work at maximum performance commissioning, patching, monitoring, virtualization and troubleshooting in any multiuser environment.
• I can make sure that computers and systems are functioning in a healthy way on a healthy network.
• Experienced in configuring various flavors of Linux/Unix OS and Applications.
• Experienced in Windows 8,10/ Active Directory.
• Provisioning, Commissioning, Decommissioning, Monitoring and Troubleshooting Linux boxes.
• Experience in Jenkins, Dockers and Git in deploying and managing inhouse applications.
• Experienced in RHEL 5,6,7. Ubuntu 16.4
• Superb at Documentation and Communication.
• Experience in Cloud Services (Iaas, Paas and Saas) particularly in AWS.
• Experience in Database installations, MySQL, modifications, backup, export etc.
• Proficient in Automation configuration management using Ansible.
• Superb in Installations, configurations of Apache, Tomcat.
• Experienced in Helpdesk support for end user.
• Great understanding of log analysis for end to end system.
• Experienced in Change & incident management.
• Performing Kickstart installation for Linux servers and VMware.
• Excellent at monitoring systems using Nagios.
• Experienced in middleware Apache, Tomcat.
• Superb in Patching for Vulnerabilities using Redhat satellite/ Bladelogic.
• Proficient in Networking, Storage & Virtualization.
• Excellent team player, self - motivated, quick learner and with good trouble-shooting capabilities.
• Superb in DNS, NFS, FTP, Apache, HTTPS, DHCP remote access, and security management.
• Experienced in installing firmware upgrades, kernel patches, systems configuration, performance tuning on Unix/Linux systems.
• Experience in RPM Manager, Yum, SCP, HTTP.
• Experienced in Installation, Configuration, management and Troubleshooting of VMware ESXi 6.5 - 4.0, vSphere 6.0, 5.5, and older and different versions of vCenter server.
• Superb in installing, configuring and security hardening in Centos 6-7.0 Linux.
• Experienced in using AWS (EC2, IAM, S3, VPC, IAM Roles, AMI Images).
• Proficient in accessing and maintaining LDAP.
• Experienced in networking technologies such as, firewalls/iptables, TCP/IP, routing, switching, load balancing.
• Experienced in writing scripts (Bash) and Ansible.

PROFESSIONAL EXPERIENCE

Confidential - Boston, MA

Operations/ Devops Engineer

Responsibilities:

• Provided technical support with system upgrades, process improvements, security requirements, infrastructure improvements, etc.
• Managed F5 Networks for load balancing.
• Configured and maintained Windows servers 8,10.
• Managed Windows user interface, Windows Server components, File systems.
• Managed Windows Network, Services, Core components, Applications and utilities.
• Worked on infrastructure management automation / DevOps (Chef)
• Gained application-level knowledge of the systems as well as contributed to overall design.
• Established security concepts (PKI, key/cert exchanges, etc), systems and protocols (SSH, HTTPS, SSL, TLS, etc).
• Provided level 2/3 support for production issues
• Worked with deploying services and applications in AWS.
• Managed various AWS services including Route53, EC2 and RDS also architectural components like VPC, ELB, IAM, etc.
• Used ServiceNow for changed management.
• Performed systems administration using virtualization (Xen), Linux (Ubuntu)Software. deployment and configuration management in development, QA and production environments.
• Monitoring with Nagios XI for alerts of servers, switches, applications and services.
• Maintained software and OS level security patches on a regular schedule.
• CI/CD pipeline automation (Jenkins, Dockers).
• Operated and maintained 24/7 application including core operating system, networking, applications, storage, database and telephony (SIP & H.323) audio / video conferencing platform.
• Partnered with internal software development teams to ensure new installs meet quality and operational requirements.
• Managed Active Directory in Windows 10.
• Managed the in-house applications on GIT, Jenkins, Dockers.
• Used JIRA to track issues, bugs, and project management.
• Worked on Confluence to Collaborate with teams for knowledge sharing, and assigning tasks.

Confidential - New York, NY

Linux Systems Analyst/ Junior Devops Engineer

Responsibilities:

• Provisioning new RHEL based systems and upgrading existing ones using Pxe-boot with Kickstart file.
• Maintaining Remedy Tickets, Alerts VIPs.
• Created documentation for monitoring the systems and services.
• Monitoring the health of systems and responding to alerts in-house and on cloud environment.
• Used Bash scripting for daily tasks.
• Scheduled cronjobs, and analyzed logs Via scripts. Installed Packages Via scripts.
• Coordinate the implementation of security programs across Tier I, II, and III systems, and establish vulnerability reporting criteria.
• Created and manage file systems using LVM on NAS and SAN storage for extending and reducing.
• Managed Infrastructure (middleware) applications, upgrades, patching & migration.
• Creating and Configuring virtual machines, installing VM Tools into VM's and allocating for end user.
• Managed the in-house applications in Git Jenkins and Dockers.
• Developed and set quality assurance standards for system installation, configuration and administration.
• Scheduling upgrades and patches with our company departments and vendors.
• Managed services and Runlevels.
• Analyze and resolve user account related issues/access while responding to user requests in a timely manner on Windows Servers.
• Managed web servers security and middleware.
• Managed User Authentication with Windows Active Directory.
• Worked with Windows User Interface, Applications and Utilities, and File system.
• Monitored CPU, memory usage, processes, storage and network performances.
• Setup, configure and troubleshoot TCP/IP, DHCP, DNS, NFS, FTP, and Samba servers in multiple platforms. configure and maintain monitoring system for appropriate alert levels, capacity thresholds and performance thresholds using third-party tools and resources. Take preventive or corrective action to resolve any issues that may arise with Windows and Linux.
• Apply system patches/packages as part of regular maintenance.
• Configure and administer NFS, samba in Solaris and Linux for sharing resources.
• Linux Virtual Machines using VMware Virtual Center.
• Install and configure Apache web server for both UNIX and Linux platforms.
• Experienced in RAID configuration for performance improvement and redundancy.
• Server Installations, configurations, upgrades on Linux.
• Setup development environment with Linux and VMware and production environment in AWS EC2.
• Responsible for backing up all systems using NetBackup 7.5 and restoring files in the event of data loss and restoring data upon user request.
• Remote administration services from tools like, SSH and Ansible.
• File System Administration. Detailed knowledge with installation, configuration, management and troubleshooting of Red hat Linux.
• RPM and YUM package installations, installed security patches using YUM and custom scripts.
• Automated tasks with Ansible (nodes, playbooks, modules).
• Installation, configuration and hardening of Linux servers.

Confidential - Buffalo, NY

Junior Linux Operator

Responsibilities:

• Managing users, groups and roles custom portals.
• Provided technical documentation, revise, operational procedures.
• Analyze and resolve user account related issues/access while responding to user requests in a timely manner.
• Install, configure and troubleshoot server hardware and software.
• File permissions and assigning rights to Participate in design and installation of RAID and Storage Area Network implementations.
• Use Virtualization Administration and implementation of VMWare and provisioning/building templates.
• Created Bash scripts for daily tasks.
• Run, maintained, and setup schedule works (CRONTAB).
• Worked in data center for Racking and stacking of servers.
• Managed cables, switches and routers.
• Perform daily system monitoring, verify the integrity and availability of all hardware and server resources, and review system and application logs.
• Install, upgrade and maintain Linux operating systems.
• Provided tier 1 application support for internally developed applications.
• Used different Linux commands to run, maintain, setup schedule work, protect and rescue file systems.
• Package installation, configuration, and upgrading using yum, rpm, and apt-get.
• Monitor and control system access, change file permissions, ownerships and monitor system processes to increase system efficiency.
• Installed, Configured and managed ESX VM's guests with virtual center.
• Patched up the systems with the Linux servers and created tickets for the respective services to handle the issues.
• Troubleshooting critical networking and hardware issues and other day-to-day user trouble tickets in association with other administrators in the group.
• Managed LVM, partitioning, Bash, DNS, Firewall, Iptables, SELinux, NIS, NFS, SSH, SFTP & DNS, Apache, Ansible, Nagios, Kickstart.

Confidential - Brooklyn, NY

Help Desk Support

Responsibilities:

• Provided help desk support in family owned business.
• Resolved customer issues.
• Scheduled meetings.
• Provided customer support.
• Managed accounts.