PROFESSIONAL PROFILE

An experienced System Administrator with around ten years of hands on experience in Red Hat Linux platforms, current experience in AWS, VMware, automations, Data Protection and program management.

SUMMARY OF SKILL SET

• Platforms: Red Hat Enterprise Linux 5/6, Ubuntu, x86/x64 platforms, Windows 2008, 2012 Server, Win XP.
• Hardware: Sun SPARC Sun Servers, Sun fire V210, V440, V880, V890, Sun SPARC Enterprise T2000, M3000, T3, T4 servers , HP ProLiant DL line , Dell PowerEdge 2950, R210, R720, R920
• Software: Microsoft Word, Excel, PowerPoint, Outlook,
• Languages: UNIX Shells sh, csh, ksh, bash , Perl, HTML,
• Storage Tech: LVM, VERITAS, Symantec NetBackup, TCP/IP, LAN/WAN, VPN, Oracle Database, VMware, Oracle VM, MySQL Database.
• AWS: EC2, Route53, S3, ELB, EBA, Auto Scaling, IAM, VPC, RDC, CloudWatch, CloudFormation, CloudFront
• Other: Puppet

PROFESSIONAL EXPERIENCE

Confidential

Sr. Linux Systems Administrator

• Create Amazon Cloud Architecture. Support current migration of Data Center to Amazon Cloud.
• Configure, manage day-to day systems administration and maintenance of AWS cloud servers EC2 and RDS.
• Utilize AWS CLI to automate backups of ephemeral data-stores to S3 buckets and created nightly AMIs for mission critical production servers as backups.
• Design EC2 instance architecture to meet high availability application architecture.
• Design roles and groups using AWS identity and access management IAM
• Configure Amazon VPC environment.
• Implement and maintain monitoring and alerting of production and corporate servers/storage with CloudWatch.
• Build and configure virtual machines, ESXi use VMware/Vsphere to monitor servers, web applications.
• Use Puppet for automations and scheduling automated jobs.
• Partner with platform data and app teams to ensure architecture and infrastructure meet business requirements
• Manage network security using load balance, security groups and NACLS.
• Experience with leading team in Agile/Scrum environment.
• Create and manage user accounts in Red Hat Linux, CentOs and Scientific Linux.
• Manage Remote Access using third party software Mobaxterm, PuTTY and VPN
• I use vi, nano and vim editors to create and edit files.
• Design, build and troubleshoot Red Hat Linux, CentOs and Scientific Linux VMware.
• Perform server installation using Kickstart, Network, and DVD on physical servers, VMware.
• Build an Apache in Redhat, FTP and NFS
• Implement NFS, DNS, DHCP, AutoFs, LFTP, Samba and FTP on CentOs, Scientific Linux and Red Hat Linux.
• Install, configure and deploy NetBackup media servers to handle varying levels of data traffic and load.
• Introduce new servers to the network. Maintaining and troubleshooting network connectivity.
• Partition and manage disk using LVM and Fdisk manage and create file systems.
• Managing Swap Space, Disk utilization and CPU utilization.
• Use bash shell scripting to schedule/automate processes including full/incremental backup via cpio, usfs and tar.
• Troubleshoot Linux network, security related issues, capturing packets using tools such as iptables, firewall, TCP wrappers and NMAP.
• Implement iptables and ACL on Red Hat Linux servers.
• Manage system processes and scheduling processes with the Cron, At and Anacron utility.
• Check alert logs, trace files and file System maintenance using requisite system tools.

Confidential

Linux Systems Administrator

• Prepared security audit schedules for external auditors.
• Compared data contained in a variety of technical records in order to detect errors/ discrepancies
• Administered system accounts, system monitoring and reconciliations
• Initiated and Participated in severity calls and documented RCAs
• Monitored System Performance of Virtual memory, managing Swap Space, Disk and CPU utilization.
• Ran password configurations, process monitoring, Boot up and Shutdown procedures.
• Coordinated backup policy and execution of DR effort between home Data Center and Regional offices.
• Updated and documented Helpdesk tickets with Remedy ticketing system.
• Maintained system accounting files and logs and systems error logs
• Installed and implemented new patches to the Linux operating system software.
• Assisted with internal help desk functions including application setup, connectivity issues, and product training.

Confidential

Linux Systems Administrator

• Installed Redhat Enterprise Linux. Managed packages on Redhat using rpm and yum
• Created Virtual hosts containers for multiple web sites
• Implemented Network Communications on Servers
• Managed Redhat drives/devices using Linux Logical Volume Manager
• Performed User/Group Account Administration implemented password aging monitored logins
• Troubleshot performance issues using vmstat, iostat and netstat
• Installed other third party applications on servers
• Updated server baseline documentation in line with changes on servers

Confidential

Linux Systems Administrator

• Created, mounted and un-mounted file systems used /etc./fstab to permanently register files.
• Supported award setup and contract execution by contributing technical requirements based on assessment and evaluation of enterprise needs and status.
• Ensured contract compliance and timely reporting for all system severities and RCAs.
• Developed all project technical outlook, requisition analysis and projections for Program Directors/ Principal Architects.
• Day-to-day functional administration tasks, as well as application-specific technical support.
• Used remedy ticketing system
• Applied proficiency with design structure of Red Hat RPM and Yum utilities for package management
• Created, configured and diagnosed user and group permissions to facilitate System security.
• Applied use of kernel based visualization technology in Red Hat and CentOS