SUMMARY

• Information Technology professional with Strong Experience Analyzing, Troubleshooting and Resolving Linux based hardware and software problems in both client and enterprise server environments. Pay attention to Details with high love for excellence.
• Day - to-day functional administration tasks, as well as application-specific technical support.
• Quick understanding of IT concepts for Immediate implementation.
• 7+ years of experience in LINUX Engineering
• 7+ years of experience in REDHAT
• Proficient in AWS services like VPC, EC2, S3, ELB, Auto Scaling Groups (ASG), EBS, RDS, IAM, CloudFormation, Route 53, CloudWatch, CloudFront, CloudTrail.
• Best time(s)/day(s) to take Interviews: Available for a phone or in person interview at any time with a couple of days’ notices.
• Good communication and interpersonal skills.
• Experience with Ansible and Splunk
• Open for REMOTE or NIGHT SHIFT ONLY.

TECHNICAL SKILLS

Platforms: Enterprise Linux 5,6 and 7, Fedora, Ubuntu, CentOS, X86/X64 platforms, Unix Solaris 10, Windows 2003, 2008, 2012 Server, Win XP Cisco

Hardware: Sun SPARC (Sun Netra Servers, Sunfire V240, V440, V490, V880, V890, Sun SPARC Enterprise T2000, M3000), IBM (e-Server), HP (9000, ProLiant)

Languages: Unix Shells (sh, csh, ksh and bash), Perl, PHP, HTML, SQL, JavaScript, Java

Storage Tech: VERITAS, Symantec NetBackup, Commvault, TCP/IP, LAN/WAN, VPN, VMware, Oracle Database, MySQL Database

PROFESSIONAL EXPERIENCE

Linux System Engineer

Confidential, Washington DC

Responsibilities:

• Responsible for general systems administration in a multi-platform environment, including user account creation, system configuration management, OS installations, security updates, urgent system patching.
• Proficient in configuring and troubleshooting; DNS, SSH, LDAP, SAMBA, SMTP, FTP, NFS, NTP, DHCP in Linux both at server and client level.
• Proficient in using CPM as backup tool, to restore and backup servers.
• Responsible for installation, configuration of Linux servers using Kickstart.
• Proficient in using ANSIBLE for configuration management and deployment.
• With Ansible, proficient in creating a REPO in any version control tools such as bitbucket, GitHub, GitLab, etc to house all playbooks to be use when necessary.
• Responsible for the maintenance of the data center hardware (servers, transcoders, switches routers etc) and troubleshoot relative issues associated with them.
• Creation of different AWS service like API, RDS instance and Lambda to build a server less application.
• Creating CloudFormation templates for the OpsWork Stacks.
• Creating different AWS S3 buckets and write lambda to move files from S3 to instance and FTP server to S3.
• Install software and hardware, debug and maintain all production servers.
• Install and troubleshoot all Apache servers for ABR content for live streaming and ABR videos. QAM (mpg2) IP-VOD (HLS, MPEG-DASH, MSS, ADS).
• Install and troubleshoot all Apache servers for ABR content for live streaming and ABR videos. QAM (mpg2) IP-VOD (HLS, MPEG-DASH, MSS, ADS).
• Responsible for configuration of Linux servers using Kick Start.
• Experience working with Monitoring tools like Splunk and SolarWinds.
• Proficient creating Application Monitor templates in SolarWinds and assign them to group of nodes as required.
• Created S3 buckets in the AWS environment to store files, sometimes which are required to serve static content for a web application.
• Used security groups, network ACL’s, internet gateways and route tables to ensure a secure zone for organization in AWS public cloud.
• Creating different AWS S3 buckets and write lambda to move files from S3 to instance and FTP server to S3
• Proficient in AWS services like VPC, EC2, S3, ELB, Auto Scaling Groups (ASG), EBS, RDS, IAM, CloudFormation, Route 53, CloudWatch, CloudFront, CloudTrail
• Proficient in configuring and troubleshooting; DNS, SSH, LDAP, SAMBA, SMTP, FTP NFS, NTP, DHCP in Linux both at server and client level .
• Monthly system patching, using both satellite and HTTP repository with Ansible.
• Proficient in implementing network bonding or NIC teaming.
• Experience building Linux KVM and VMware|Vsphere ESXi 5.0 and 6.0, maintain the virtual infrastructure from the Vcenter server by creating Clusters, setting them to HA and or DRS, setting Vmotion and snapshot during monthly patching.
• Monitoring system performance like Virtual memory, managing swap space, disk utilization.
• Control the system logging and services and examine system logs.
• Proficient in building and automating NFS-Shares of directories in Linux.
• Write script (Bash) for process automation and use configuration management tools like Ansible, for huge configuration and deployment across several nodes on the LAN.
• Provide first level support to end user community on hardware, software and network related problems, questions and or issues.
• Document customer and software configurations and develop and/or update standard operating procedure (SOP) and training materials

Linux Administrator/Engineer

Confidential, Hyattsville, MD

Responsibilities:

• Proficient in configuring and troubleshooting; DNS, SSH, LDAP, SAMBA, SMTP, FTP, NFS, NTP, DHCP in Linux both at server and client level.
• Responsible for installation, configuration of Linux servers using Kick start.
• Proficient working with different versions of red hat (5, 6, 7).
• Proficient in AWS services like VPC, EC2, S3, ELB, Auto Scaling Groups (ASG), EBS, RDS, IAM, CloudFormation, Route 53, CloudWatch, CloudFront, CloudTrail.
• Created and configured elastic load balancers and auto scaling groups to distribute the traffic and to have a cost efficient, fault tolerant and highly available environment.
• Experienced in creating multiple VPC’s and public, private subnets as per requirement and distributed them as groups into various availability zones of the VPC.
• Used security groups, network ACL’s, internet gateways and route tables to ensure a secure zone for organization in AWS public cloud.
• Creating different AWS S3 buckets and write lambda to move files from S3 to instance and FTP server to S3.
• Created S3 buckets in the AWS environment to store files, sometimes which are required to serve static content for a web application.
• Experience using OVM to manage and support virtual infrastructure.
• Knowledgeable partitioning disc using AIX.
• Proficient in managing and supporting virtual infrastructure using VMware, OVM, and KVM.
• Experience in planning, designing, deploying and maintaining VMWare vSphere 5.5/6.0/6.5 in a clustered environment supported by an iSCSI SAN
• Proficient in VMWare HA, DRS, Vmotion, VM Cloning, Snapshot
• Proficient user account Creation and Management, groups and access levels using LDAP and ACL
• Creating, Mount and Unmount File Systems.
• Control the System Logging services and examine system Log Files all system events.
• Implement and create LVM.
• Experienced with JIRA, Remedy ticketing system, Rocportal and Bmc patrol.
• Proficient in configuring iSCSI SAN storage to provide additional storage space for nodes (web servers, database servers etc) who need more storage capacity.
• Systems Security Administration, Role Based Access Control and Sudo.
• Use Active Directory (Windows Server 2003, 2008, 2012) to create, modify, reset and delete user account, reset and modify user password.
• Knowledgeable with Bash Shell Scripting and python for process automation of databases, applications, backup and scheduling using cron jobs
• LAMP project execution.
• Proficient in configuring Kernel Parameter for MYSQL and SQL database,
• Troubleshoot File Systems and Disk Management.
• Monthly system Patching using both Satellite and HTTP repository.
• Pro-efficient in building and automating NFS-share of directories in Linux environment.
• Install and configure both Apache web server, Tomcat and set up Virtual hosts on the web server.
• Experience with Web - based technologies, including reverse proxy servers, SSL certificate configuration.
• Provide timely solution to users on issues of network NFS, NIS & software problems.
• Coordinate with delivery partners (Programmers, Developers, Network and security teams) to ensure timely delivery of project.
• Good knowledge of network devices such as switches, routers, firewall (Cisco ASA firewall, Checkpoint, Barracuda firewall)
• Use vi editor to edit necessary configuration files
• Resolve software and hardware issues
• Troubleshoot network connectivity issues using commands like Snoop, Traceroute, Nslookup.
• Maintaining and troubleshooting Network Connectivity.
• Proficient in implementing network bonding or NIC teaming when necessary for constant flow of data so as to reduce load balancing fault tolerance, and redundancy.
• Password configurations, process monitoring, Boot up and Shutdown procedures.
• Maintained the regular backups using Tar, Ufsdump, Ufsrestore, Snap shot backup etc.
• Managed system processes and scheduled processes with the Cron utility.
• Configured the services for sharing the resources from Unix and windows using SAMBA
• Check logs while implementing Log files rotation.
• Proficient with TCP/IP modules and troubleshooting relative issues.
• Experienced with Internet technologies including TCP/IP and HTTP.
• Symantec NetBackup and disaster recovery
• Experience with backup and recovery technologies such as Commvault, Symantec NetBackup, Enterprise Vault,
• Proficient using tools such as; Puppet, Ansible, Splunk etc
• Proficient using Nagios for systems and applications monitoring.
• Provide 24x7 Sun hardware and software implementation for servers

Linux System Administrator/Engineer

Confidential

Responsibilities:

• Responsible for general systems administration in a multi-platform environment, including user account creation, system configuration management, OS installations, security updates, urgent system patching.
• Reviews system logs, application logs and security logs. Monitor networks to ensure security and availability to specific users. Performs routine maintenance of user accounts and permissions. Writes and implements scripts to automate tasks.
• Proficient in configuring and troubleshooting; DNS, SSH, SAMBA, FTP, NFS, NTP, DHCP in Linux OS both at server and client level.
• Proficient in configuring LDAP for user authentication
• Proficient in using syntax like nslookup dig, trace route, ping, ifconfig to troubleshoot DNS and network issues in Linux.
• Good knowledge of Master, Slave and Caching DNS for redundancy and load balancing.
• Proficient in monitoring system performance using syntax like top, ps, sar in Linux.
• Experienced with Internet technologies including TCP/IP and HTTP
• Good knowledge of installing Linux OS with Kick start and VMware cloning in Linux.
• Proficient in creating and managing LVMs and Ext4 filesystem in Linux
• Excellent Troubleshooting Skills on Linux and VMware Operating System and hardware platform
• Proficient working with different versions of red hat ( 5, 6, 7 )
• Maintain network systems such as servers, switches, firewalls and routers
• Maintaining Local area networks.
• Familiar with solar winds network monitoring
• Document customer and software configurations and develop and/or update standard operating procedures (SOP) and training materials
• Assist in the research, evaluation, testing, selection, procurement, implementation and maintenance of new software/hardware/systems.
• Provide first level support to end-user community on hardware, software and network related problems, questions, and/or issues.
• Troubleshoot problems with operating systems, applications, Remote Access, Email, telephone, and wireless issues.
• Use Active Directory (Windows Server 2003, 2008, 2012) to create, modify, reset and delete user account, reset and modify user password
• Setup computers and printers on the network
• Monitoring TCP/IP network environment
• Experience with Internet technologies including TCP/IP and HTTP
• Hardware and software inventory.
• Scheduling backup of files.
• Performed Operating System upgrades
• Configuration and troubleshooting of mobile devices
• Maintain and Advice on Internet and networking infrastructure design
• Troubleshoot desktop applications issues while maintaining excellent customer service.
• Updated and documented Help desk tickets with Remedy ticket system.
• Performed Computer Systems Repairs and services.
• Virus Protection Software Installation.