Devops Engineer / System Admin Resume
Federal Way, WA
PROFESSIONAL SUMMARY:
- 8 years of experience as a Devops in REDHAT Linux, SUSE Linux, CentOS, Oracle Enterprise Linux, Ubuntu, OSX, AIX, Icinga, Windows and Sun Solaris servers and experienced Puppet Administrator.
- Extensive experience in Installation, Administration, Patching, Upgrades , Configuration, Performance Monitoring, Tuning, Security , Backup, Disaster Recovery , Supporting and Troubleshooting of RHEL 4.x, 5.x, 6.x, SUSE Linux Enterprise Server (SLES) 10.x, 11i, SOLARIS 8.x, 9.x, 10.x, 11.x, CentOS 5, 6.
- Experience in Automation , Installation and overall Configuration Management of servers using Puppet and Chef
- Experience in Linux Kernel update.
- Experienced with the YUM for RHEL and YAST for SUSE for upgrading the Linux.
- Configuration Email Alert by Icinga ..
- Experience in installing Packages, Security Fixes and Patches in Linux using Redhat satellite server.
- Experienced in Continuous Integration process such as perform software build, run shell scripts , archive the build results , Cron jobs Procmail jobs , monitors execution steps using Jenkins and Apache Maven
- Experienced in cloud application and server virtualization using AWS (Amazon Web Services) and Azure
- Good experience in Network and Performance Monitoring and Tuning using Nagios, Teamquest, Symantec Enterprise Security Monitoring Tool, and BMCPatrol in UNIX and Linux servers.
- Experienced in shell scripting using ksh, bash, perl, Ruby and python to automate system administration jobs.
- Expertise in creation of startup and shutdown scripts, crontabs, files system maintenance and backup scriptingand automation.
- Made changes on the Linux kernel using sysctl for better performance and better processing.
- Experienced in working with Storage Area Network (SAN),EMC CLARiiON / Symmetrix EMC Celerra, and VMware.
- Experienced in source code management using Git and SVN
- Experienced in Virtualizing RHEL and Solaris environments with VMware ESX 3.x, 4.x , Xen 3.x, and VSphere 4.x servers on Dell Poweredge and HP Proliant Hardware.
- Expertise in Veritas Cluster Server, Veritas Volume manager, and Veritas Net Backup.
- In Depth knowledge and experience with LDOMs , Server Domains and Zones/Containers .
- Implemented Solaris Fair Share Scheduler for resource management across Solaris Containers/Zones.
- Experience in implementing and configuring of Volume Management by using Veritas Volume Manager (VxVM), Solaris Volume Manager (SVM) in Solaris and Logical Volume Manager (LVM) in LINUX.
- Expertise in creation and administering Virtual Machines, Catalogs using VMware vCloud Director 5.0. and hands - on experience of vMotion, SVMotion and Fault tolerance.
- Good Knowledge in planning and designing of Disaster Recovery and Data Recovery.
- Expertise on creating all kind of file systems like VxFS, CFS, ZFS, Ext3, Ext4, UFS, ReFS.
- Experience in creating different RAID levels with Veritas Volume Manager 4.x, 5.x, 6.x and Hardware raid.
- Installation and configuration of Oracle 8/9i, Oracle RAC 10g on Solaris , and RedHat cluster nodes.
- Expertise in Installing and Managing LDAP, NIS, NIS+, NFS, DHCP, SAMBA, HTTP, FTP, SSH, DNS etc.
- Strong experience and understanding of Auto mounts , TCP/IP , SMTP and Printer configurations .
- Extensive experience in IPMP (IP multipathing) in Solaris and Bonding in Linux.
- Strong experience in TCP/IP packets, packet analyzing using snoop, tcpdump and Wireshark .
- Installing and configuring of security networks like certificates using SSL .
- Experienced in installation, configuration, management, troubleshooting and support of WebSphere, JBOSS, Tomcat, Apache Web server and BEA WebLogic application server, LDAP and mail server.
- Experienced in configuring SUDO, granting permissions to users; and powerbroker administration.
- Expertise in User Management and Administration, managing swap space/paging and hardware setup and configuration.
- Experienced on using awk and sed to automate log monitoring.
- Good experience in reviewing system logs files for errors, settings up CRON jobs for backups and monitoring process.
- Excellent hands on experience in creating, updating and closing tickets.
- Strong trouble-shooting and debugging skills and ability to handle multiple tasks and can work independently as well as in a team.
- Excellent client relation skills and the drive to complete the tasks effectively and efficiently as well as the ability to communicate effectively with all levels of management and the client community.
- Provided 24/7 technical supports to Production and development environments.
TECHNICAL SKILLS:
Operating Systems: AS400 IBM i (i5/OS, OS/400), RHEL (5.x, 6.x, 7x), SUSE Linux (9,10,11), Sun Solaris (9,10,11), FreeBSD (7.x, 8.x, 9.x), CentOS 5,6, OEL 5/6, OSX, AIX, Windows 2003, 2008, VMware ESX (3.5,4.0)
DevOps Tools: AWS, Puppet/MCollective, Chef, Nagios, Jenkins, Maven, Ant, MySQL, JBoss, Tomcat, Apache webserver, Git/GitHub, SVN repo
Hardware: Sunfire (V100, V120, V215, V240, V440, V480, V490, V880, X2100, X2250, X2270, X4100, X4170, X4270, X4450, X4470), Sun Enterprise (250, 450, 220R, 420R), SPARC Enterpise (T2000, T5120, T5140, M3000, M5000, M8000), Sun Ultra 60, HP Proliant (BL460, BL 685, DL380, DL385 DL580), IBM RS/6000, pSeries (520, 550, 570, 575, 590, 595, 650, 630,670, M80, S80, H70 and H80), T4-2, Backup Devices, Dell Power Edge (840, 1650, 1850, 1900, 2850, 2900, 6400, 6950, T100, T105, R200, R300), IBM WSS.
Networking: TCP/IP, NIS, NIS+NFS, DNS, DHCP, WAN, SMTP, LAN, FTP/TFTP, POP3, TELNET, Firewalls, BIG IP 10.0, Snoop, Tcpdump, Wireshark.
Volume Management: Veritas Volume Manager (VxVM) 4x, 5.x, 6.0, Solaris Volume Manager (SVM), Logical Volume Manager (LVM)
Backup Solutions: VeritasNetBackup (4.5, 5.0, 6.5), Tivoli Storage Manager, NetApp
High Availability: Veritas Cluster Server 4.x, 5.x
File Systems: UFS, VxFS, ReFS, Ext, Ext2, ext3, ext4, ZFS, CFS
Security and Monitoring: Tivoli Endpoint Manager, Bastille, Nagios, Iss System Scanner, HP Sitescope, BMC Patrol, Linux Iptables, Solaris Ipfilter, Symantec Enterprise Security Monitoring Tool, Teamquest
Database Servers: Oracle 7.x, 8.x, 9i, 10g RAC, MySQL 7.0, 6.5
Web/Application Servers: WebLogic 8.x, 9.0, 10, Websphere 5.x, 6.x, JBoss 4.x, 5x, Netscape/iPlanet Server, Apache Server 1.3.x, 2.2.x, Apache Tomcat 5.x, 6.x, 7.x
Programming Languages: PowerShell, Bash and Korn Shell scripting, Perl, Ruby, Python, C, C++, R,Matlab, core JAVA
Virtualization: VMware, VCenter, KVM, Xen, Hyper-v, Virtual box, Solaris zones/containers, LDOM.
PROFESSIONAL EXPERIENCE:
Confidential, Federal Way, WA
Devops Engineer / System Admin
Responsibilities:
- Managed over 100+ VMware servers 2003, 2008 R2 & 2012 with VSphere client 5.1
- Supervised 35 VMservers for daily backups and de-duplications with Backup Exec 2010 R3, and 2012
- Installation Packages using yum and rpm.
- Performed installation and upgrading with the YUM for RHEL and YAST for SUSE and Installation of Redhat 6/7 using Kickstart
- Worked on installing applications on AIX and redhat
- Designed systems Red Hat Enterprise Linux 6 and AIX 5L
- Worked on Windows Active Directory.
- Resolution of Tier 2/3 trouble tickets including password rotations, password malfunctions, account creations, account changes, scheduling by CyberArk.
- Vault all Administrative accounts and passwords CyberArk.
- Remediate all failures from vault imports.
- HPSA build plans for installing and configuring software like Microsoft SQL Server, IBM WebSphere, etc.
- HP Server Automation (HPSA) for provisioning Physical and Virtual Servers (Windows and Linux).
- HPSA is a specific HP product manage servers.
- Customize ServiceNow applications and facilitate rollout of new applications and modules and configure Application UI and Configure Workflow
- Collaborate effectively with other ServiceNow administrators to develop solutions and handle general updates and configuration changes/requests
- Configuration management push and pull from Linux from Gitlab,
Confidential, Schenectady, NY
Devops Engineer/ System Admin
Responsibilities:
- Production Support on RedHat Linux Systems in a 24/7 Production Environment to ensure maximum availability of all servers and applications.
- Build and release software baselines, code merges, branch and label creation and interfaced between deployment and infrastructure
- Responsible for Deployment, management, automate, and installation of servers via scripts, Puppet, Chefand Salt.
- Installation of Redhat 6/7 using Kickstart
- Performed installation and upgrading with the YUM for RHEL and YAST for SUSE and Installation of Redhat 6/7 using Kickstart
- Worked on installing applications on AIX and redhat.
- Administration of RHEL 5,6,7 which includes installation, testing, tuning, upgrading and loading patches, troubleshooting on both Pseries and vmware virtualization systems
- Build application and database servers using AWS EC2 and create AMIs as well as use RDS for Oracle DB.
- Worked on Docker and created virtual instances with Docker.
- Worked on Creating API’s on nodejS and AngularJS
- Worked on AWS opswork, AWS Lambda, AWS code deploy, AWS cloudformation and cloud foundry.
- Worked with ANT, maven and JIRA.
- Worked on migrating Vmware to AWS using snowball and VM import/export.
- Experience with AWS bean stalk
- Experience working on AWS code deploy, lambda, VPC and CLI.
- Experiencing with Nagios, splunk and snmp monitoring.
- Create, change, and delete user accounts per request.
- Experience with Docker.
- Migrate on premise database to AWS Cloud and also designed, built, and deployed a multitude applications utilizing the AWS stack (Including EC2, R53, S3, RDS, SNS, and IAM), by focusing on high-availability, fault tolerance, and auto-scaling.
- Configure EC2 Instances, VPC, Route 53, ELB, Subnets, etc.
- Configure and administer Apache and Application layers
- Configure HTTP caching properties for static caching.
- Automate site configuration using Puppet.
- Experience with shell scripting ( sh, bash, csh, ksh)
- Worked on SIEM for security and audit compliance configuration
- Worked on Docker and have done deployments on Ubuntu.
- Worked with puppet /Chef for configuration management.
- Experience with AWS SDK and AWS API.
- Worked on automating tasks using puppet
- Worked on tomcat, jboss install and configuration.
- Worked on mongodb and mysql.
- Worked on migrating Solaris 10/ AIX 6.1 to redhat 6.
- Worked on creating new LPARS on AIX IBM frame
- Worked on ruby and python scripting.
- Installed PXE servers, KickStart configurations for automatic Linux Installation.
- Performed Installation, configuration and administration of Weblogic application servers and Oracle System Bus (OSB).
- Implemented migration from Redhat to CentOS environment. Also Worked on provisioning and optimizing infrastructure resources for Oracle EBS applications on Red Hat Linux
- Used UNIX/Linux shell scripting to automate system administration tasks, system backup/restore management and user account management.
Environment: AIX 5x, 6x, 7x, IBM Power7, Power6 and Power5, PowerShell, VIOs, NPIV, RedHat LINUX 5.5/6.3, Ubuntu, Windows, Oracle, DB2, Sun Solaris 9/10,SQLserver, Korn, Oracle RAC, C Shell, Yield Book, Razor, Vsphere, HMC, Tibco, HACMP, GPFS, VMware, CA Spectrum, CA EHealth, Netapp, TSM, Symantec Netbackup, Hitachi VSP, Hitachi Command Suite, Hitachi storage navigator, HUR, SI, TC, TSM, CSM, IBM XIV, SAN SVC, NAS, Autosys, TPM V7.1,CA Service Desk, Apache Webserver, MQ, Websphere Application Server & UNIX shell scripting.
Confidential, Eden Prairie, MN
Devops / Linux System Admin
Responsibilities:
- Production Support on RedHat Linux Systems in a 24/7 Production Environment to ensure maximum availability of all servers and applications.
- Build and release software baselines, code merges, branch and label creation and interfaced between deployment and infrastructure
- Responsible for Deployment, management, automate, and installation of servers via scripts, Puppet, Chefand Salt.
- Installation of Redhat 6/7 using Kickstart
- Performed installation and upgrading with the YUM for RHEL and YAST for SUSE and Installation of Redhat 6/7 using Kickstart
- Used ANT and MAVEN as a build tools for the development of build artifacts on the source code
- Installed, configured, and maintained services such as Apache Tomcat and tc runtime for clients with more than 100+ Linux servers.
- Performed Continuous Integration, building and administrating using Jenkins
- Installed packages, run Cron jobs, and over-all configuration management of Linux servers using Puppet and chef
- Monitored server, services and application performance using Nagios
- Used Bash, Perl, and Python shell scripting for monitoring and to automate the build and deployment process.
- Used AWS (Amazon Web Services) services such as EC2, Amazon S3, Amazon RDS, and Amazon VPC etc.
- Worked with storage teams to configure NAS, EMC SAN and iSCSI configuration.
- Upgraded and documented veritas storage foundation, from version 4.1 to 5.0 MP1.
- Administered Oracle database using Veritas cluster; and also in RAC environment.
- Ensured properly secured systems and appropriate policies / monitoring using SELinux , password aging , firewalls/iptables and PAMs .
- Installed and Managed different protocols LDAP, NIS, NIS+, NFS, DHCP, SAMBA, HTTP, UDP, TCP/IP, FTP, SSH, DNS, NFS and NIS .
- Administered VAS / QAS (vers 4.0, 4.1) in user authentication via AD.
- Performed tuning, and troubleshooting of SUN solaris / RHEL systems using tools like cppweb, and in-build tools: vmstat, iostat, sar, top, prstat, free, prtconf, netstat etc.
- Participated in various DR test scenarios , using sungard facilities, as we as with SAN SRDF R1/R2 devices options.
- Completed various server migration efforts, going from Solaris / AIX to RHEL, or from physical environment, to virtual.
- Used servicenow for ticketing system, and CMDB (Configuration Management DB)
Environment: Redhat Linux 5/6/7, Solaris 9/10/11, AWS, Veritas Cluster Server, Solaris Volume Manager, Jumpstart, Kickstart, Veritas Net Backup, HP BL460, BL685, Sun X3-2, X3-4, Sun M8000, M5000, M4000, M3000, Sun Fire T1000, T2000, HP DL 380, 580, VMware, RH Satellite Server
Confidential, Georgetown, TX
Devops / Linux/ Unix System Engineer
Responsibilities:
- Installed, Configured and Administration of RedHat Linux 6.x, comprising of testing, tuning, upgrading and loading patches, troubleshooting both physical and virtual server issues.
- Involved in installing, configuring, maintaining and troubleshooting the BEA WebLogic Application Server 8.1,9.2,10.3,12c on Sun Solaris 10.0/11, RHEL 5.0, 6x, Windows 2003/XP Servers.
- Worked on Migrating AIX to redhat and Solaris servers.
- Installed and configured Solaris servers using Jumpstart, configured/maintained Zones, LDOMs, ZFS pools on Sun Solaris 10 Servers.
- Installed packages, ran Cron jobs, and over-all configuration management of Linux servers using Puppet.
- Managed packages using RPM/YUM on RedHat Linux and maintaining patching on Solaris servers.
- Worked on various SAN Fabrics (FC SAN, iSCSI SAN) and NAS storage.
- Performed Creating and of cloning Linux Virtual Machines, templates using VMware Virtual Client 3.5 and migrating servers between ESX hosts.
- ConfiguredMultipath, Powerpath, adding SAN, creating physical volumes, volume groups, and logical volumes.
- Created file systems on LUNs from SAN environments, which included EMC Symmetrix/Clariion series.
- DesignedFirewall rules for new servers to enable communication with application, Oracle 11g
- Installed and configured MySQL database server, Oracle data base server in RHEL 6,7
- Worked with various types of file systems, and volume management solutions: ZFS, LVM, VxVM, SVM.
- Worked Extensively on VMware Installation and configuration ESX hosts, Managing vcenters and datastores.
- Actively participated in periodic Disaster Recovery (DR) test activities.
- Configured and monitored NFS environment and Worked on various protocols: HTTP, UDP, FTP, TCP/IP, DHCP, DNS, NFS, NIS etc.
- ConfiguredNIC Bondingson Linux and IPMP on Solaris for redundancy of network interfaces.
- Assisted in configuring and deploying Oracle 8i, 9i and RAC 10g.
- Configured and performed troubleshooting of Symantec Enterprise Security Monitoring Tool.
- HandledJBOSS application server PPM/Quality Center application
- Performed tuning, and troubleshooting of SUN solaris / RHEL systems using tools like cppweb, and in-build tools: vmstat, iostat, sar, top, prstat, free, prtconf, netstat etc.
- Performed user Management through Powerbroker, and NIS.
- Managed systems routine backup, scheduled jobs like disabling and enabling cron jobs, enabling system logging, network logging of servers for maintenance, performance tuning, testing.
- Performed Shell Scripting(bash, python, ruby) to monitorlogs, disk space, services and process.
- Performed documentation, reports and presented weekly system status report.
Environment: RHEL 5/6.x, OEL 6.x, Solaris 9/10/11, HP Proliant BL460, BL685, DL 380GS, IBM- AIX RS/6000, pSeries 575, 590, 650, Sun Fire (V215, V240, V440, V480, X2250, X2270, X4170M2, T1000, T2000DI), SPARC Enterprise M3000, M4000, T5120, T5140, Veritas Cluster Service, Veritas Volume Manager, VMware Virtual Client, Kickstart, Jumpstart, JBOSS, WebLogic,EMC Symmetrix/Clariion.
Confidential
Data Center Administrator
Responsibilities:
- Installed, Configured and Administration of RedHat Linux 6.x, OEL 6.x, Solaris 10/11 and AIX System administrator comprising of testing, tuning, upgrading and loading patches, troubleshooting both physical and virtual server issues.
- Trouble shoot servers, switches, and client systems, cable patch panels, install operating systems, installation of Dell blade servers client machines, set up remote desk tops, upgrade systems, fiber channel switches, workstation builds and repairs
- Performed Creating and of cloning Linux Virtual Machines, templates using VMware Virtual Client 3.5 and migrating servers between ESX hosts.
- Production Support on RedHat Linux Systems in a 24/7 Production Environment to ensure maximum availability of all servers and applications.
- Provided software for the entire engineering and developer staff
- Provided infrastructure so that internal locations could communicate through the main lab
- Linux Server Decommission and Build.
- Delivered excellence in customer service through situational analysis and timely resolve of escalating problems
- Support on SWIFT for banking wire transaction.
- Racked and cabled all equipment for enclosures
- Ensure end of day and start of day processes are completed successfully and the on line system is made available to the user on time.
- Monitor Applications, Batch Jobs, ATMs, Network, and Database performance and conduct periodical systems performance tests and take appropriate corrective measures where necessary including vendor’s liaison and maintenance of log and control sheets.
- Coordinate, administer the scheduling, processing and testing of the jobs, patches/fixes and new procedures supplied (or) developed for Electronic Banking, Ancillary systems, Host Applications and related Hardware platforms.
- Execute at scheduled intervals Housekeeping and regular jobs such as Backups, File Reorganization, Archives, Restore and Recovery of Databases.
Environment: AS400, Linux, Windows, IBM i (i5/OS, OS/400)
Confidential
AS400 Administrator
Responsibilities:
- Oversee the day-to-day operation of scheduled system processing.
- Maintaining integrity of software and data libraries.
- Scheduling and monitor execution of cyclic applications using ROBOT product suite.
- Implement and troubleshoot object level security related issues.
- Provide support and maintenance for all iSeries OS and related components to ensure high levels of availability and security of the supported business applications.
- Participating in the planning and implementation of policies and procedures to ensure that system configuration and security is consistent with company goals, industry best practices, and regulatory requirements.
- Managing MQ channels & Q's.
- Maintaining and troubleshooting BRMS ( Backup Recovery media services).
- Managing 3rd party applications interface.
- Performance tuning - Problem determination and resolution of OS400 related problems (HW-SW).
- Install and configure OS 400 software.
- Install PTFs as and when required.
- Recommending data purge, archive, & acquisition/reduction of hardware.
- Experienced in OS upgrade.( V5R3 to V5R4)
- Knowledge of OS Upgrade ( V5R4 to V6R1)
- Knowledge of LPAR creation .
- Using HMC for managing LPARs (Shutdown & Restart partitions and dynamically processor and memory swaping).
- Experienced in DR switching.
Environment: AS400, i5/OS, Linux and IBM UNIX version, AIX 5L and Windows,
