SUMMARY

• Installed and Configured RedHat Linux 5,6 on Dell Servers;
• Installed and Configured Windows 2012 R2
• Support for Apache/Drupal web server
• Configuration of NGINX webservers wif Drupal and Varnish
• Support for Tomcat8.5 webserver
• Architect new environment for client to provide HA and failover
• SSL certificate configuration
• Writing Technical design documents
• Installed and configure Puppet for server administration tasks
• Established local RedHat Package repositories for patching, upgrading, and installing software on servers - dev/staging/prod
• Installed Java 8
• Setting up Puppet Enterprise and Open Source Puppet
• Adding nodes to puppet master
• Creating, drop tables, setting user permissions on MYSQL server
• Nessus and Fortify Security vulnerabilities remediation on server and web application
• Working noledge of Gitlab
• Setting up of splunk server and forwarder
• Integrate Splunk forwarder wif splunk server
• Monitor system metrics/activities wif splunk
• Monitoring data's wif splunk enterprise servers
• Installation of Solar winds for systems monitoring
• Performance tuning on servers
• Managing running processes and applications.
• Install, upgrade and manages packages via RPM and YUM package management
• Apache HTTP administration
• Coordinating patch plan wif Application team
• Hardening of servers wif government checklist and guidelines
• Building new virtual machine and physical machine in accordance wif the government policy
• Scanning environments virtual machines for threat vulnerabilities
• Server installation using various methods like Kickstart, disk installation, VMware VDI images.
• Monitor system hardware and software performance and other system metrics wif OMD
• Provided on call support by rotation 24x7x365
• Taking snap shots of servers using VMware ESXI and cloning of VMs for maintenance and resource purposes
• Installed and managed packages using yum and rpm tools.
• Scheduling and patching Dev, QA, and Production servers based on given patch cycles and times using Red hat satellite
• User administration and supports
• Role-Based Access control management for users
• Created RHEL virtual servers in VMware center from consolidated image and from attached image in datastore.
• Configured and set up NFS filesystems.
• Created filesystems using logical volumes and updated fstab.
• Installed, configured and supported apache on virtual machines.
• Security scan analysis and baseline analysis
• Create user accounts, managed user privileges, managing disk space and setting up disk quotas of specific account
• Network connection troubleshooting, management and support.
• Configured and set up ssh access to enabled or disabled on virtual machines as required.
• Managed logical volumes using lvreduce, lvextend
• Patching of Ubuntu Virtual machines for application team
• Installed and Configured Apache web server and Apache Tomcat ;
• Provisioned and configured VMs (dev, test, staging, & prod)
• Mitigated security vulnerabilities
• Migrated application and data, tested, and deployed to new environment
• Installed and Used Gitlab branching and merging for integrating code
• Setup continuous integration process for automation
• Performed TCP/IP configuration on the servers;
• Installed, validated and configured MySQL server
• Configured Drupal to connect to the MySQl database
• Performed user account administration and security policy implementation;
• Performed hardware, operating system, security and application updates/patches on these systems.
• Resolved TCP/IP, NFS issues and set up DNS;
• Administered resources wif NFS on Solaris, RedHat servers;
• Monitored UNIX systems for performance and availability using associated tools;
• Liaised wif client to identify practical solutions applicable to the business needs based on available technology;
• Did Capacity Planning for servers, generate utilization and performance reports, and maintain documentation;

PROFESSIONAL EXPERIENCE

Linux Systems Admin Lead

Confidential VA

Responsibilities:

• Provide architectural and infrastructure operations support and consultation to enhance the continuous
• integration and continuous delivery pipeline.
• Practical experience in deploying pre-installation testing of both software and hardware tools to ensure smooth system installations using kickstart technology for rapid and mass deployment.
• noledge of system security architecture and system protection and hardening by using tools like iptables, SElinux, tcpwrappers and others to ensure system availability and data protection
• Performs Linux system installation, configuration, administration, development and testing of backup and recovery methodologies.
• Performs System Analyzes, logs file reviews, tracking code bugs and resolves Software issues related to networking connectivity, printer, servers, and applications to meet business needs.
• Knowledge of deploying and building system uptime through patches upgrades and updates using tools like RPM, Yum and apt get.
• Executes troubleshooting techniques geared at isolating and diagnosing common Linux system issues and records system output to ensure continuous uptime.
• Good in automating routine tasks utilizing shell scripts, cron jobs and tar utility.
• Ability to perform network packet analysis by using TCP/IP and related protocols; TCP, UDP, IP, HTTP, HTTPS, DNS, FTP and much more.
• Gives recommendations on corrective actions to ensure system high availability performance and ensure implementation of actions on change request approval.
• Regularly inspect system performance and if necessary performs backups to ensure reproduction of data prior to upgrading/updating system software and hardware components as required to meet business needs.
• Facilitates and determines appropriate techniques of installing applications and systems based on client department specifications.
• Utilizes crisis management techniques to resolve matters of significance and implement corrective course of action as needed.
• Performs installations, configurations, performance testing and upgrade of system files and services
• Employed a plethora of Virtualization Infrastructures on VMware Hypervisor to ensure system uptime and high availability performance.
• Built and configured Virtual Linux Servers using ESXi and VSphere Client to ensure system scalability,optimization, management and availability needs.
• Utilized Dell PowerEdge Servers to configure and enable Virtualization and ensure system consolidation and scalability needs.
• Utilized and configured Kernel Based Virtual Machines on Red hat Enterprise Servers.
• Well organized wif strong problem solving and good communication skills as well as ability to work both in teams and independently.
• Participate in technical research and development to enable continuing innovation wifin the infrastructure and system architecture
• Evaluate new software products and technologies, and provide recommendations to enhance existing systems or build new ones.
• Provide Tier III/other support per request from various constituencies. Investigate and troubleshoot issues
• Batch job scheduling using Tivoli Workload scheduler

Systems Engineer, Architectural design

Confidential MD

Responsibilities:

• Perform Installation, configuration, and migration of various infrastructure support systems
• Ensure advanced proper documentation of all installed software/hardware to comply wif departmental and corporate guidelines
• Network interface configuration
• SAN Cables and disks migration and LUN configurations on EMC also create LUN requests
• Install and upgrade of VERITAS Net Backup Client on new and existing servers respectively
• Resolve advanced server based applications, utility, and operating system software problems by gathering diagnostic information for submission to vendor support teams, applying and testing fixes, and performing production corrective maintenance
• Review server platforms, installations, and configurations to ensure corporate and industry standards were followed
• Experience supporting enterprise infrastructure support systems including DNS, DHCP, NTP, NFS, and LDAP on Redhat Servers
• Provide support for security solutions such as checkpoint firewalls
• Experience installing and configuring Cisco UCS blades and using the UCS configuration manager
• Troubleshooting of network related issues to include the TCP/IP protocol, switches,VPN,firewall related issues
• Racking and cabling of servers to the network and to the SAN
• Operating systems patching and upgrade for both Solaris and Redhat
• Migrations to include Kvm to VMWare migrations, Solaris zone migrations
• Building and administering file systems using SVM and LVM
• Configuration of autofs and LDAP autantication on client servers
• Use of cron to schedule frequently executed scripts/tasks

Master Data Specialist

Confidential MD

Responsibilities:

• Installed multiple sparse and whole root zones wifin one physical instance of Solaris 10
• Vitualization experince on Vmware, KVM, Solaris Zones/Containers
• Used SMF system utilitiesand performed resource management on installed zones
• Working noledge of VERITAS v6 and SUN volume manager including RAID on Solaris platforms and maintained VERITAS file system
• Used Kickstart and Jumpstart for systems build
• Support to system users and troubleshooting system issues. Solutions are documented on department wiki for future reference
• Maintain system accounting files and logs and systems error logs and used vi and vim editor to edit configuration files as needed
• Installed and configured Apache and samba servers and provide support. Also configured Apache virtual hosts and LAMP server build.
• Experience in network and interface configurations including noledge of switches and firewalls.
• Manage the IT desk for my team using the remedy ticketing system
• Experience wif Role Based Access Control and Systems Security Administration
• Working wif Symantec professional services, installed and configured Enterprise Symantec Netbackup master, media and client servers
• Created flash archive/images of oracle Solaris 10 servers. Incorporated flash archives into jumpstart for server backup and restoration
• Maintained Solaris and Linux servers, evaluating needs and installed appropriate recommended patches as needed
• Responsible for data management using native Solaris utilities for archiving, compression backup and restore

Systems Support Analyst

Confidential

Responsibilities:

• Performed Operating System upgrades
• Troubleshoot desktop applications issues while maintaining excellent customer service.
• Updated and documented Helpdesk tickets.
• Maintaining Local area networks.
• Setup computers and printers on the network
• Monitoring TCP/IP network environment
• Hardware and software inventory.
• Virus Protection Software Installation.
• Customized user environment for users. Troubleshooting user logins using various remote login utilities.
• Performed administration and monitored job processes using associated commands. Proficient in troubleshooting system problems. Monitored client disk quotas and general disk space usage.
• Introduced new servers to the network. Maintaining and troubleshooting network connectivity.
• Scheduling cron jobs.
• Provide basic first level telephone support to end-user community on hardware, software and network related problems, questions, and/or issues.
• Assist in the research, evaluation, testing, selection, procurement, implementation and maintenance of new software/hardware/systems.
• Document customer and software configurations and develop and/or update standard operating procedures and training materials.
• Installed, configured and managed proprietary applications on Unix servers