We provide IT Staff Augmentation Services!

Linux/aws Administrator Resume

Sacramento, CA

SUMMARY

  • 7+ years of IT industry experience as a system administration and production support of various applications on Red Hat Enterprise Linux5.0,6.0, 7.0 environment, Ubuntu and VMware ESX 3.5/4.0 & 4.1.5.0, 5.5 and Amazon Web Services.
  • Experience in installation, configuration, backup, recovery, maintenance and support of Red Hat Linux
  • Experience on Red Hat Linux Server & Desktop Environment using through virtual machine under VMware
  • Experience in package management using RPM, YUM in Red Hat Linux and apt - get in Ubuntu
  • AWS Cloud Deployment and Support on EC2, IAM, S3, ELB, Snapshot, volumes, VPC, Route53, cloud watch, Security etc. installing upgrading and configuring RHEL and Ubuntu using kickstart
  • Experience in installing, configuring, supporting and troubleshooting Unix/Linux Networking services and protocols like LDAP, DNS, NFS, DHCP, FTP, SSH and SAMBA
  • Experience in Installation, Configuration and Troubleshooting of various web server issues including HTTP Server, Apache Web Server 2.x/1.x, Tomcat 5.x/4.x
  • Experience in working on Veritas File System, Veritas Cluster, extended logical volumes for the system growth needs using Logical Volume Manager (LVM).
  • Efficiency in installing, configuring, and implementing of RAID 0, RAID 1, and RAID 5 levels using Logical Volume Manager, VERITAS Volume Manager.
  • Skilled in developing procedures for startup, execution, shutdown, backup, and recovery as required, and assist in determining needs for both hardware and software.
  • Experience on AWS CLI, AWS webservers, Route 53, S3bucket, Glacier
  • Resolving system errors and crashes, huge file sizes, file system full errors.
  • Excellent skills in analyzing, designing, implementing and system integration, Knowledge on Switches, Routers, & Firewalls.
  • Expertise in writing scripts for automation and monitoring using Shell (bash, C and Ksh), Python scripts.
  • Creating and maintaining user accounts, profiles, security, rights, disk space, and process monitoring.
  • Independent problem solving and a good team player with strong interpersonal and communication skills.
  • Experience supporting 24x7 production computing environments. Experience providing on-call and weekend support.
  • Excellent analytical, problem solving, communication and interpersonal skills

TECHNICAL SKILLS

Operating Systems: RHEL4.x,5.x,6.x,VMWareESX3.5,4.0,4.1,5.0,5.5,CentOS5.x,6.x,7.x,Ubuntu,Windows 2000/2003/2008/ XP

Networking: TCP/IP, NFS, FTP, DNS, DHCP, Samba, Apache, SMTP, SSH, HTTP

Cloud technologies: Amazon Web Services: EC2, S3, ELB, Auto scaling Servers, Glacier,Elastic Beanstalk, Cloud Front, Elastic Cache, RDS, Redshift, VPC, Direct Connect, Route 53, Cloud watch, IAM & Roles,S3

WEB Technologies: APACHE 2.x, Web Logic (9/10/11) & Web Sphere 4.0/5.0, Tomcat.

Scripting Language: Shell Scripting, Python, HTML and VB.

Protocols: TCP/IP, UDP RIP, OSPF, EIGRP, IGRP, SNMP, SMTP, TELNET

Configuration Management Tools: Ansible, Puppet, Chef

PROFESSIONAL EXPERIENCE

Linux/Aws Administrator

Confidential, Sacramento,CA

Responsibilities:

  • Installed and configured several hundred Red Hat Blade and VMware ESXi 4.1, 5& 5.5 Virtual Environment.
  • Configured Red Hat Cluster Nodes for any legacy applications and verified the daily health check on the Cluster Nodes.
  • Installing and configuring Red Hat Enterprise Linux 5, 6.1 using kick start servers
  • Installing and updating packages using YUM (custom YUM servers/repositories) and Red Hat Satellite Server.
  • Configured and Administered Apache, VSFTPD services, MYSQL and Tomcat.
  • Worked on AWS CLI, AWS web servers, Route 53, S3bucket, Glacier, VPC
  • Migrating complex, multi-tier applications on AWS. Creating security groups on the EC2 instances
  • Participating in 24x7 production on-call support of Linux and provided technical support to users.
  • Configured and deployed patches, upgrades, bug fixes on both physical and virtual Red Hat Linux servers using satellite servers.
  • Implemented rapid provisioning and life cycle management for Redhat LINUX using kickstart
  • Expertise in security hardening (iptables/selinux) major Production Servers, and compiling, building and installing web server-based Linux tools.
  • Proficient in providing support on the deployed Red Hat Enterprise Linux from both operating system level and application Level.
  • Used extensively JQuery & JavaScript for client-side validations and access data within the HTML controls.
  • Designing and deploying enterprise-wide scalable operations on AWS.
  • Expertise in working with MySQL databases, Apache Web server, Tomcat Application Servers
  • Troubleshooting any performance or configuration issues with MySQL and Oracle.
  • Expertise in hardening, Linux Server and Compiling, Building and installing Apache Server from sources with minimum modules.
  • Creating security groups on the EC2 instances
  • Monitoring and troubleshoot backups and schedule Cron jobs.
  • Experience in scripting using BASH & Python, Mail Server, Samba Server, and Apache Server.
  • Worked on configuringNFS, DNS, DHCP, FTP, FSTP, Telnet and RAIDlevels.
  • Extensive experience in network managementTCP/IP, DNS, NFS, VLAN.
  • Experience in deploying RHEL 5.x, 6.1 in a blade environment.

Environment: Puppet, RHEL 4.x/5.x/6.x, Solaris 9,10&11, Centos, Ubuntu 14.04 VERITAS Volume Manager 5.x/ 6.x, VERITAS Storage Foundation 5, Redhat Cluster, VERITAS Cluster Server 5, NFS, DNS, Route 53, S3bucket, Glacier, EC2 instances, VPC

Linux/Aws Administrator

Confidential

Responsibilities:

  • Installation of local yum repository and package administration using yum and rpm.
  • Responsible for VMware Infrastructure administration.
  • Responsible for creating templates and deploying VM’s in VMware environment.
  • Setting up network environments using TCP/IP, NFS, DNS, SNMP agents, DHCP and Proxy.
  • Performed live as well as manual OS upgrade from Red hat 4 to red hat 5 and 6.
  • Patched different software using Red Hat Package Manager and YUM.
  • Created Shell scripts and worked on existing scripts.
  • Automating the installs using Kick start and building post install scripts using Shell scripting in RHEL Servers.
  • Upgraded Linux Kernel using YUM.
  • Creating security groups on the EC2 instances
  • Upgraded current Linux version to RHEL version 5.6
  • Worked with other team members for the installed and configured database and FTP segments for the transfer of data between two segments.
  • Designing and deploying enterprise-wide scalable operations on AWS.
  • Scheduled user roles using IAM
  • Developed automated processes that run daily to check disk usage and perform cleanup of file systems on UNIX environments using shell scripting and CRON.
  • Downloaded latest kernel from YUM server, created repo to make it available for the installation of target servers.
  • Disk and file system management using Logical Volume Manager for Linux
  • Performed all LVM and file system tasks like creation of Logical volume and file system, Mount a file system, Modifying size of a Logical Volume and file system, Removing a file system.
  • Created RAID 1, 01 configuration on hardware RAID devices and RAID10, 5 using SVM, LVM, VxVM.
  • Experience on AWS CLI, AWS webservers, Route 53, S3bucket, Glacier
  • Installation and support of various applications like Web logic server 10.x, Apache Tomcat 6.x in RHEL 5.x
  • Configuring DNS, DHCP, NIS, NFS and other Network Services in IBM Power Series.
  • Monitored systems using Nagios.
  • Provided 24x7 on-call / Remote Support for Technical Problems on weekly rotation basis.
  • Automated system management tasks like user account creation, file system size monitoring, monitor system resources and system maintenance using Shell, and Python scripts.
  • Deployed latest patches for Linux and Application servers, performed tuning.
  • Perform performance monitoring and report activity log to senior management.
  • Monitored trouble ticket queue to attend user and system calls, attended team meetings, change control meetings to update installation progress, and for upcoming changes in environment.

Environment: Red Hat 5.x/6.x, CentOS 5.x/6.x, VMware Virtual Client 3.5, Windows Server, XP, 07,08, DNS, NFS, SMTP, Veritas File System (VxFS), Web server Apache 1.3x, VMware, vSphere4.1/5.1, Route 53, S3bucket, Glacier, EC2 instances, VPC

Linux System Administrator

Confidential

Responsibilities:

  • Provided IT support to internal staff members.
  • Provided application support to large users groups.
  • Configured and managed Apache web server.
  • Managed software and hardware RAID systems.
  • Configured and maintained FTP, DNS, NFS and DHCP servers.
  • Managed System Firewall utilizing IP Chains, IP Tables. Implemented SSH SSL.
  • Managed user disk usage by setting up quotas.
  • Administered system logs and security logs.
  • Updated software packages and applied security patches.
  • Performed hardware maintenance, upgrades and troubleshooting on workstations and servers.
  • Communicated with hardware and software vendors and equipment dealers and maintained good relations.
  • Wrote documentation for internal use about system changes, systems administration, etc.
  • Performed Red hat Linux Kick-start Installation
  • Attendedto users, developer problems; did troubleshoot the system and end user issues.
  • Created and maintainedOperating System Installation Documents.
  • Monitored system performance, tune-up kernel parameter, added /removed /administered hosts, users.
  • Scheduled Jobs usingCRONTAB Utility and wrote shell scripts to automateSystem Process.
  • Added more resources likeMemory, Disksand increasing theSwap.
  • Performed User and Group Management usingAdmin tool.
  • Involved in documenting of Linux and Windows environment and configuration details including documentation of solutions for any issues that have not been discovered previously.

Environment: Red Hat Linux, Windows NT 4.0 / 2000, shell Scripting, CRONTAB

Network System Administrator

Confidential

Responsibilities:

  • Responsible for maintaining and monitoring performance ofnetwork.
  • Provide first-level technical support; assisting users who havenetworkproblems.
  • Perform high level troubleshooting, diagnostics for networking problems.
  • Construct protocols for port-security to prevent any unauthorized access to thenetwork.
  • Deliver support for Remote Access VPN and troubleshooting when necessary.
  • Enabling port fast, uplink fast, and backbone fast for fast convergence.
  • Coordinate with team members to reduce technical complication and collaborate on projects.
  • LAN/WAN: IP Routing, Multi-Layer Switching, TCP/IP.
  • Design and deploy networks.
  • Perform network address assignment.
  • Assign routing protocols and routing table configuration.
  • Assign configuration of authentication and authorization of directory services.

Hire Now