Sr. Linux Administrator / Automation Engineer Resume
Webster, NY
SUMMARY:
- Over 7+ years of IT industry experience as a System Administratorand Production Support of various applications onSunSolaris, Redhat Enterprise Linux, AIX, CentOS, FedoraandWindows administration environment with VMware vSphere (4x…5.5)
- Experience configuring and managing Puppet master server and also experience in updating and creating modules and pushing them to puppet clients.
- Installation and up gradation of Packages and Patches configuration mgmt, version control, service pack. & reviewing connectivity issue regarding security problem.
- Proficiency in writing automation scripts using Chef, Puppet, Shell, PowerShell to support infrastructure as code and continuous deployment.
- Experience in Installing, configuring and maintaining Samba,Web Sphere & Web Logic Application Servers and Chef.
- Experience on Web servers such as iPlanet Web server 6.0 /Sun one web server 6.3, 6.5, Tomcat 3.x, 4.x, 5.x, 6.x, and 7.x & Apache Server 1.x, 2.x,
- Strong proficiency in supporting Production Cloud environments (AWS, Azure, and VMware) as well as traditional managed hosted environments.Strong knowledge on writing scripts using Bash/ Perl.
- Experience in manage cloud software deployments, with a focus on continuous integration and deployment using GitHub, Jenkins, Bamboo, SVN and Maven
- Have strong knowledge on Active Directory and Kerberos.
- Supported AWS Cloud environment with 200+ AWS instances and configured Elastic IP & Elastic Storage and also experience working on implemented security groups.
- Efficiency in installing, configuring and implementing the LVM, andRAIDTechnologies using various tools likeVeritas volume manager,Solarisvolume manager.
- Experience in Installed and configured Apache/Tomcat/Java/MySQL.
- Experienced in Amazon EC2 setting up instances, virtual private cloud (VPCs), and security groups.
- Configuring and AdministeringDNS, NIS, NIS+, LAMP and LDAPonSunSolarisserver environment.
- Experience in Installing, upgrading and configuringSUNSolaris9 and 10 onSunServers Using Jumpstart Servers, Manual installation as when required.
- Experience in Installation of VMware ESX server and creation ofVMs and install different guest OS.
- Experience in Installation and configuration of Zonesand ContainersinSolaris10 environment.
- Resolving system errors and crashes, huge file sizes, file system full errors.
- Installation and configuration of JBoss, Web Sphere 5.1/6.0 Application Server on Solaris and Linux boxes.
- Participated, documented and managed ITIL controls and supported Linux environments.
- Experience in Package management using RPM, YUM and UP2DATE in Redhat Linux.
- Worked on Firewall implementation &Load balancer between various Windows servers.
- Expertise in trouble shooting, back and recovery and experience supporting 24x7 productions computing environments and providing on call and weekend support.
- Excellent analytical, problem solving, communication and interpersonal skills.
TECHNICAL SKILLS:
Operating Systems: Linux (Redhat(…), CentOS, Fedora, Debian, Ubuntu), Solaris 10/9/8, HP - UX 11.0, 11.11, IBM AIX (4.3/5.x), HPUX11i V1, V2 & V3,VMware ESX,SLES 8,9,10 & 11, Windows NT /2000/2003, MAC OSX 8/9.x/10.x.
Hardware: HP Proliant, Blade servers, Sun Servers E450, E3500, E4500, E5000, E6500, E10k, E15k, E25k, Sun Ultra's, V210, V280, V490, V880, V6800 SUN Ray (1g Ultra-Thin Client) SUN Desktops (SPARC 10, 5), DMX3 and DMX4 Storage Arrays, F5, CDN systems
Networking: TCP/IP, NIS, NFS, FTP, DNS, DHCP, Samba, Apache, SMTP, SSH, IP-Tables
WEB Technologies: Tomcat, Apache DB2, Web Logic (8/9/10) & Web Sphere 4.0/5.0.
Programming, Scripting Language & Databases: RDBMS, MySQL, Oracle, Sybase, MSSQL, C, UNIX Shell Scripting, Perl Scripting, Ruby, NSH/ BLCI Scripting, Python
Backup Management: Veritas Net backup 4.x/5.x/6.x, Ufsdump, Ufsrestore, TAR, cpio, dd, Tivoli, Symantec Netbackup 7.x
Third Party Software: VERITAS Volume Manager, VERITAS Cluster Service (VCS), HP Service Guard, Sun Cluster, EMC Storage, RAID Technologies, SSL, Chef, Puppet, GitHub, Jenkins
Network Protocols: DHCP, DIG, DNS, TCP/IP, UDP RIP, OSPF, EIGRP, IGRP, SNMP, SMTP, TELNET, Ethernet, IOS, NFS, NIS, nslookup, FTP, TFTP, tcpdump.
PROFESSIONAL EXPERIENCE:
PayChex, Webster, NY
Sr. Linux Administrator / Automation Engineer
Responsibilities:
- Installed, configured and Administrated of all UNIX/LINUX servers, includes the design and selection of relevant hardware to Support the installation/upgrades of Redhat 5.8/6.3, CentOS 5/6, operating systems.
- Writing NSH/BLCI as well as Shell scripts for the Infrastructure management or monitoring.
- Involved in VDI environments.
- Creating all types of NSH scripts as well as Deploy Jobs, ACL push, Batch, Compliance, and Discovery jobs for Infrastructure management.
- Monitoring application servers’ OS (Linux) performance and initial troubleshooting
- Troubleshoot ALL aspects of the BMC Bladelogic issues - Simple Agent communication to Multiple Application server issues
- Escalate the critical issues and product bugs to BMC Software
- Handful of experience in on-call and direct interaction with the stakeholder's and end user's at Global level to solve their BMC Bladelogic related issues.
- Creating Service Request Matrices and Incident ticket matrices on a Weekly/monthly basis and updating the same to the senior leadership team.
- Performed patching of RHEL using yum, up2date and BMC Bladelogic.
- Supporting infrastructure environment comprising of RHEL and Solaris.
- Experience with VMware Virtualization using ESX hypervisor of VSphere.
- Resolving different Users request.
- Creation of Jumpstart and Kickstart configuration for the automatic provision of servers using BMC Bladelogic.
- Performed OS provisioning using Kickstart through BMC Bladelogic.
- Contribute to Process improvements and Project documentation.
Environment: RHEL 5.8/ 6.3, CentOS, Ubuntu, Dell Servers, Oracle DB2, VMware ESX 4.x. VMware VSphere 5.x, ESX, BMC BMC Bladelogic.
Confidential, Miami, FL
Linux Administrator / (Chef & puppet) Developer.
Responsibilities:
- Worked on variety of Linux platforms Redhat Linux, Solaris which includes installation, configuring and maintenance of applications on this environment.
- Works with Symantec and BSC team to setup the Symantec O3 IDLINK Open VPN Servers.
- Build servers using Kick Start, Redhat Satellite Server, and VSphere Client.
- Implemented cloud services aws.
- Implemented automations tools chef, puppet.
- Migrated to Redhat satellite server 6 version.
- Implemented Bash, Python scripting.
- Updating patches to keep servers updated against bugs present in the operating system using Redhat Satellite Server, yum, etc.
- Worked exclusively on VMware virtual environment.
- Experience in using VMware vMotion to move VM’s from One Datacenter to another datacenter.
- Involved in installation and configuration of various Third party software onto servers.
- Installed, configured and provided support for Tivoli Monitoring software across various OS platforms like RHEL, AIX and Solaris.
- Installed packages using YUM and Redhat Package Manager (RPM) on various servers.
- Troubleshooting network administration, IIS configuration, DNS setup and modifications, firewall rule sets, local and distributed director, connectivity, and supporting applications.
- Responsible for independent support of Tier 2 issues: reboots, start/stop services, reset Terminal Service and pc anywhere connections, and administrative server maintenance. Daily follow up with clients to ensure resolution of all issues.
- Provide support to Account Managers, UNIX and Windows technicians, and other departments.
- Involved in ILMT Agent Deployments and Oracle/SQL Upgrade project which includes various UNIX builds of different OS platforms across various data centers.
- Used Logical Volume Manager for the management of Volumes including creation of physical and logical volumes on Linux.
- Coordinated with various cross functional teams across IT operations to make sure smooth functioning of projects.
- Experience with various API gateway platforms like Apigee.
- Performed application installation and management on IBM AIX and Linux servers for applications like Web Sphere Application Server (WAS) 7, JBoss 4.2.x, 5.x, Sun JES Web Server 6.1, Oracle 10g, Sybase 12.5 etc.
- Automating many day to day tasks through Bash scripting.
- Worked closely with DBA Team in order to adjust kernel parameters as per requirements.
- Day to day resolution on Linux based issued though SMS ticketing system in compliance to SLA cycles.
Environment: Redhat Enterprise Linux 4.x/5.x/6.1, AIX 6.x, Solaris 8/ 9/10, Tivoli Storage Manager, VMware ESX5, Tivoli Net backup, and Web sphere. Windows 2012 servers, Windows 2008, IIS 7.0 & 7.5
Confidential, Mayfield, OH
UNIX/ Linux Admin / Chef Developer
Responsibilities:
- Supported Solaris/Linux servers in production/QA/ Development Environment, includingSolarisZone and RHEL VM's.
- Used Chef configuration management system to develop automation and monitoring web application and database servers
- Created several cookbooks, recipes using Ruby as scripting language
- Involving in installing chefnode, workstation and server
- Installed andConfiguredSolariszones: whole, sparse, branded onSunHw (x4140,x4170,T5240.T3-1,T3-2)
- Installed ESXi 4.1Hypervisor on HP Servers.
- Installing, configuring and maintainingapache, samba,Web Sphere& Web Logic Application Servers and Nagois
- Worked on VMware, VMware View, vSphere 4.0. Dealt with ESX, ESXi servers.
- Enhanced and simplified vCenter server 4.0.
- Installation of systems using Jumpstart forSunServers and Kickstart for RHEL on HP HW.
- Configure, support and perform routine maintenance of hardware and software for Linux andSolarisservers.
- Resolved configuration issues and problems related to OS, NFS mounts, LDAP user ids DNSand issues.
- Experience in creation and maintenance of ZFS file systems / set quotas.
- Regularly applying patches for Redhat Linux,Sunand HP systems.
- Develop Unix Shell scripts for regular and periodic jobs and also for system admin jobs.
- Extensively worked with Business, Application, Database, Network and SAN Team for project requirement.
- Project co-ordination and providing technical advice on system to management
- Plan, document, review and maintain system administration guidelines and policies
- 24x7 support for the UNIX servers. Rotating on call pager responsibilities for Production environment.
Environnent: Solaris 9 & 10, RHEL 4.X,5.x,6.x:SunUltra SparcT5220,T5240, T3-1,2,M5000,X4140,x4170; HP DL360, 380 & 580; VMware, SolsticeDisk Suites, ZFS; Volume Manager (VxVm) 4.1, Veritas Cluster server (VCS), VMware.
Confidential
LINUX System Admin/ Automation Engineer
Responsibilities:
- Managing and troubleshooting of FTP Server, Samba Server of the client.
- Maintain uptime of Linux production servers and follow proper escalation.
- Maintaining day to day operations, Install software, apply patches, manage file systems and troubleshoot.
- Managing Red Hat Cluster, HPC environment etc.
- Building & configuring Red Hat Linux systems over the network, implementing automated tasks through crontab, resolving tickets according to the priority basis.
- Handling LVM related tasks, Creating, resizing LVM, Veritas Volume manager and also managing Cluster environment using Veritas Cluster suite.
- Monitoring system performance, Server load and bandwidth issues.
- Work with DBAs on installation of DB, restoration and performance tuning.
- Implemented automations tools DevOps
- Installing and configuring Red Hat Linux locally or over the network-kick start- (nfs, ftp, http).
- Experience in building binaries using Maven.
- Maintaining Server and Systems, provide IT support to User.
- User Administration (setup and maintaining accounts).
- Update and manage backup servers and client software's.
- Implement the policies for the users of the computer system and network.
Environment: CentOS 5.7/6, Red Hat Linux 5.7/6, Ubuntu 10.04/10.10/11.10, Fedora 8