SUMMARY:

• 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.

TECHNICAL SKILLS:

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, OutlookLanguages: UNIX Shells (sh, csh, ksh, bash), Perl, HTMLStorage 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

PROFESSIONAL EXPERIENCE:

Confidential, Largo, MD

Sr. Linux Systems Administrator

Responsibilities:

• 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, Norcross, GA

Linux Systems Administrator

Responsibilities:

• 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 .

Confidential, Atlanta, GA

Linux Systems Administrator

Responsibilities:

• 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, Marietta, GA

Linux Systems Administrator

Responsibilities:

• Created, mounted and un-mounted file systems; used /etc./fstab to permanently register files.
• Supported 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