Tech Lead/ Unix System Administrator Resume
Lake Forest, IL
PROFESSIONAL SUMMARY:
- 9 Years of experience as Solaris, AIX and Red Hat Linux Systems Administrator & DEV OPS Engineer in various industries on mission critical Enterprise Networks and Multi - server environments.
- Experience in Administration, implementation and support of various OS like Solaris 8, 9, 10,11 Red Hat Linux3/4/5, RHEL 4.x/ 5.6/5.8/6.2/6.3/6.6 /6.7, SuSE 9/10/11 and AIX 5/6.
- Experienced in the custom jump-start, kick-start installations, support, configuration and maintenance of Sun Solaris, Red Hat Linux, Sun SPARC, x86 and x86-64 Servers under heterogeneous environments.
- Used Blade logic to upgrade Solaris and Linux operating systems. Configured Blade logic scripts to create flar images for Solaris servers. Also used blade logic to build new Solaris and Linux servers
- Experienced in configuring AIX servers using Visio.
- Good Experience in creating service profiles & building Cisco UCS hardware.
- Experience on patches installation, patch upgrades and packages installation on Sun Solaris, and Red Hat Linux servers by using RPM.
- Experience with the installation, configuration of volume management using VERITAS Volume Manager, VxFS file system, and Solstice Disk Suite on Solaris
- Experience in the implementation of High Availability environment using VERITAS Cluster 4.1, 5.1, 6.1 and Sun Cluster Server 3.1/3.3, Oracle Solaris cluster 4.3 on SPARC servers.
- Managed and configured VMware virtual machine for RHEL, Oracle /Sun Solaris, Oracle Linux server
- Hands on Experience in configuring virtual interfaces (VIF) in Linux & Solaris servers.
- Extensive background in working with the VMotion technology, VMware HA and VMware DRS.
- Worked in implementing, monitoring and documenting the entire DR process.
- Strong understanding of VMware Networking concepts like creation of vSwitches, different types of port groups, NIC Teaming and VLAN.
- Supported and worked on Vrealize, Vrealize operations, Vrealize log insight, Vrealize Automatoin.
- Problem Management on VMware ESX 5.0/5.5 and Virtual Center, VMOTION & Storage VMOTION
- Experienced in configuring virtualized platform (NSX) based on application architecture.
- Experienced in Windows Power shell ISE & Power cli to automate Virtual Machine configuration.
- Configuring and administering Solaris Zones and Containers on Sun Solaris 10 operating system.
- Worked with NIS, NFS, NIS, DNS, and DHCP Server, Samba and TCP/IP on Sun Solaris, and Red Hat Linux server environment and LDAP client-server model to retrieve data.
- Good experience in LDAP Authentication
- Experience in providing day-to-day user administration like adding/deleting users and managing user’s queries, fxing trusted relation & granting FTP/SFTP access.
- Experienced in GIT repository set up to automated Post build process & to automate yearly patching activities.
- Deployed Puppet, Puppet dashboard for configuration management to existing infrastructure.
- Hands on Experience in monitoring server’s performance and resolving critical incidents using service-now.
- Experienced in Scheduling cronacle jobs for various different applications to make them more reliable & consistent.
- Hands on experience on cfengine set up to model & monitor servers.
- Installed and configured CygWin between Windows & Linux servers.
- Hands on experience on SOX IT audit software.
- Hands on experience in Configuring CyberArk for Linux & Solaris servers.
- Experienced on configuring Oracle cluster RAC.
- Worked with Backup Team to Configure the Master and Client Backup servers Using Veritas Net Backup and Recovery from tapes using ufsdump, ufsrestore, and tar and cpio file system administration.
- Coordinated with SAN Team for storage allocation and Disk Dynamic Multi pathing. Worked on various SAN Products like EMC VMAX, DMX, Symmetrix, and Clariion.
- Monitoring the hosts and networks using NAGIOS, Zenoss, BMC, sar, Iostat, VMstat, MPstat, cfengineand Other Tools.
- Deployed high performance web applications using LAMP stack web platform.
- Experience in designing and deploying AWS Solutions using EC2, S3, EBS, Elastic Load balancer (ELB), auto scaling groups and OpsWorks.
- Experience in real-time monitoring and alerting of applications deployed in AWS using Cloudwatch, Cloudtrail and Simple Notification Service.
- Experience in Network trouble shooting using ‘ndd’, 'traceroute', 'netstat', 'ifconfig' and 'snoop' etc.
- Install and configuration of Web hosting administration HTTP, FTP, SSH, & RSH.
- Experience in designing and implementing continuous integration system using Jenkins by creating Python and Perl scripts
- Provided support for Installation and configuration of Oracle & MySQL on Linux Servers
- Excellent communication and documentation skills and is able to work individually as well as a team member.
- Experienced as a project leader with a ability to initiate/manage cross functional teams and multi displinary projects
- Adaptable and able to work under pressure.
- Good at influencing, leading, negotiating and delegating
- Production Support of various applications involving 24/7 on-call rotations.
TECHNICAL SKILLS:
Operating Systems: Solaris release 8/9/10/11, RHEL 5, 5.1, 5.2/ 5.6/5.8/6.2/6.3/6.6 /6.7 AIX - 5.0, 6.1 HP - Unix 10.0, 11.0, 11i, SuSE 9/10/11
VMware Products: VMware vSphere 5.x/4.x, VMware Infrastructure 3.0/3.5, vCenter 4.0/4.1/5.0/5.5, ESX/ ESXi 3.5/4.0/4.1/5.5/5.5 vCenter Update Manager 4.0/ 5.0, SRM 5.0
Hardware: Sun Fire V280, V480, V880, V6800 SUN Blade 6000. Sun Ultra Enterprise Servers (E10K, E25K, E3500, E4500, E450, E420R, E250), Dell Power edge 1650, 2850, 2950, 6400, IBM RS6000, Cisco UCS 5108. HP Gen 6/7/8/8 Blades
Services: UNIX (NIS, NFS, SSH & Samba), Print Servers (Hardware & Software) Citrix Server, Terminal Server, Apache on Solaris, LDOMS, IBM Tape Library 3584
Security: Check Point Firewall, TCP/IP Wrapper
Networking: NIS, NIS+, DNS, NFS, RPM, YUM and Auto FS, LAN, WAN
Tools: AWS, Cfengine, Puppet, New Relic, Zenoss, Nagios. Ansible
Symantec VERITAS: VCS 4.0 /5.0/6.0, Red hat Cluster Suite, Hana ZPFS cluster, VERITAS Volume Manager 4/5/6
Back Up Software s: Avamar, VERITAS Net-Backup 5/6.
Storage: EMC Clariion CX/FC, vnx, vmaxConnectrix, Symmetrix/DMC, Hitachi Arrays, CISCO SAN StorageTek tape libraries L40, L80, L180, L700, SL500, SL8500, DAT & DLT, STK 9940B, 9840B
Application Servers: Web Sphere Application Server 3.5,4.0, Netscape/iPlanet Server, MQSeries, WebLogic Server, Glass fish Application Servers, IBM HTTP Server, HTML, DHTML, XML, Java Script, JVM, JSP, JBoss, Apache/Tomcat, Servlets, EJB
PROFESSIONAL EXPERIENCE:
Confidential, Lake Forest, IL
Tech Lead/ UNIX System Administrator
Responsibilities:
- Installation, Configuration and Upgrade of Solaris 9, 10, 11 Red Hat Linux AS 4/5, RHEL / 5.6/5.8/6.2/6.3/6.6, AIX 5.x, SuSE 9/10/11operating systems.
- Experience in Setting up and configuring Install Server, Configuration Server and Boot Server for Jumpstart, and Kick start process to install OS on Several workstations.
- Installation and Configuration of VERITAS Volume Manager, VERITAS File system and VERITAS Cluster Server.
- Implementation of VMWARE ESX 5.5, VSphere ESXI 5.5, vCenter, and VMware Workstation.
- Extensive background in working with the VMotion technology, VMware HA and VMware DRS
- Implementation of RAID techniques and the creation of Disk groups and volumes, plex using VERITAS Volume manager 6.x.
- Installation & Configuration of Logical Volume Manager - LVM, SVM and VERITAS Volume Manager on Sun Solaris and Red Hat Linux Hardware.
- Installing, Configuration, and troubleshooting of ESX 3.x/4.x, Virtual Centre & VClient.
- Installing, configuring and administering of Solaris Zones .
- Implementation of high availability environment using VERITAS Cluster 6.1 on Solaris & Linux servers.
- Installation and configuration of VERITAS Net Backup on Sun Severs and performing Backup using VNB.
- Configuring ZFS and QFS and fixed the problems occurred, set the quota and reservations for such file systems.
- Configuring distributed file systems and administering NFS server and NFS clients and editing auto-mounting mapping as per system / user requirements.
- Configured VMware and installed Linux and Windows Operating Systems according to the application & capacity requirement. Also involved in maintenance and Troubleshooting of VMware.
- Allocating Storage from VNX.
- Gained Experience in Datacenter relocation projects
- Provided support to multiple SAP applications (BW-BIA/SEM, BI-JAVA,ECC/ERP, E-Recruiting) on Red Hat Linux servers.
- Provided support to Splunk, Endeca & Hybris application on Red Hat Linux servers.
- Setup of NFS, FTP Servers in SUN Solaris and SUSE Linux.
- Well experienced in initiating yearly SOX auditing process using scripts on Linux & Solaris servers.
- Hands on experience on SOX IT audit software.
- Experienced in detecting Vulnerabilities on all environment servers using tool “Qualys”
- Printer maintenance and managing print queues (network, local, remote and serial) using, Admin tool and lpadmin utility.
- Experienced in GIT repository set up to automated Post build process &to automate yearly patching activities.
- Hands on experience on cfengine set up to model & monitor servers.
- Installed and configured CygWin and Apache Web Server.
- Configure new builds in Jenkins, Hadoop & hybris based on design & capacity.
- Good Experience in migration at storage level using VMWARE and VERITAS.
- Good experience with installation and configuration of EMC Control Center (ECC) on RedHat Linux.
- Configured Firewalls and security using SSl, ip chains, IP tables, TCP wrappers, trip ware and Port scanners.
- Configured IPMP (IP Multipathing) in Solaris and NIC Bonding in Linux.
- Configured virtual IPs and bonding on Linux and Solaris.
- Good experience on Raritan set up for Solaris physical servers.
- Scripted power shell scripts to automate virtualization tasks using “Windows Power shell ISE”
- Managing server life-cycles and inventory by analyzing older legacy systems, and assessing options for upgrading, consolidating, or disposal using the application “Swift Kanban”
- Monitoring server’s performance and resolving critical incidents using service-now
- Provided support for the Installation & maintainenace of Oracle R12.
- Developed UNIX scripts to automate rpm’s installation process using PERL scripting.
- Hands on Experience on enterprise job scheduling system to automate programs.
- Define and execute process of server patching, OS upgrades, and engineering change requests.
- Setup SAN/EMC storages with HBA card configuration and different level of RAID configuration.
- Experienced in SAN/Storage migrations on Red Hat & Solaris Physical servers .
- Implementation and Management of Disk Quota on Linux and Solaris Servers.
- Provided support for Installation and Configuration of Oracle10i/g and MySQL on Linux servers.
- Day to day trouble shooting for end users on UNIX/LINUX
- Work with Development teams and other IT department personnel to coordinate system software changes and support application changes
- Hands on experience in Configuring CyberArk for Linux & Solaris servers.
- Managing server life-cycles and inventory by analyzing older legacy systems, and assessing options for upgrading, consolidating, or disposal using the application “Swift Kanban”
- Good experience on Design &capacity planning phase based on environment architecture.
- Good experience on leading team to avoid escalations & to maintain high-end performance.
- Key role in deployment, installation and configuration of Sun Servers in production environment.
- Managing the applications with Middleware.
- Providing customer support, help/troubleshoot users to resolve server, network, and other system wide problems
Environment: Solaris 8/9/10, Red Hat Linux 4/5, Sun Enterprise Servers, IBM RS/6000, Cisco UCS 5108, VERITAS Volume Manager 6.x, LDAP, DNS, NIS, NIS +,SNMP, Sun and VERITAS Clusters. YUM, Cfengine. Red hat Linux 5.x, 6.x, SUN Solaris 8, 9, 10, SuSE Linux, 9, 10, 11 Sp3, VMWARE Esxi 5, 5.5, SunfireV880, V440, Sun Storage Array, HBA, VERITAS Volume manager, VERITAS net backup, VERITAS cluster server, EMC controller, Apache, JVM, LDAP, SRM 5.0, HP BL 460 G8, BL 460 G7, BL 360 G7
Confidential, St Paul, MN
Linux System Administrator/ DEVOps
Responsibilities:
- Experienced as Red Hat Enterprise Linux Systems Administrator and also performed support role for applications on mission critical Enterprise Networks and Multi-server environments.
- Experience in Administration, implementation and support of OS RHEL 4/5.
- Experienced in the kick-start installations, support, configuration and maintenance of RHEL 5.5, Sun SPARC, x86 and x86-64 Servers under heterogeneous environments.
- Development / operations (devops) of application server clusters comprised of several hundred nodes.
- Responsibility for operations of ~50 monitoring servers (CentOS, RHEL), managed by Ansible /Puppet.
- Experienced on patches installation, patch upgrades and packages installation on Red Hat Linux servers by using RPM & YUM.
- Experience in configuring and maintaining LAMP stack on production and staging servers.
- Experience in providing day-to-day user administration like adding/deleting users in local and global groups on Red Hat Linux platform and managing user’s queries.
- Configured Java agent for monitoring PHP, .Net, Apache, and Glassfish.
- Experienced in giving 24/7 production support to the virtual servers
- Installed New Relic Monitoring tool to monitor the servers & applications hosted through java, php, tomcat, and glassfish.
- Installed logging software: used graylog2 for event data collection.
- Experienced in installing SYSLOG-NG & configuring loggy input & log forwarding.
- Experienced in installing Graphite to collect numeric time series data.
- Installed Apache/Tomcat Server &PhP.
- Configured Glassfish application server version 2.1.1 on cluster and standalone.
- Experienced in configuring Apache, Tomcat, jboss on Linux servers.
- Troubleshooting the glassfish virtual servers.
- Redesigned and redeployed Nagios implementation. Nodes automatically added and removed mselves via Puppet.
- Configuring distributed file systems and administering NFS server and NFS clients and editing auto-mounting mapping as per system / user requirements.
- Experienced with the installation & configuration of volume management using VERITAS Volume Manager, VxFS file system
- Worked with Backup Team to Configure the Master and Client Backup servers Using Veritas Net Backup and Recovery from tapes using ufsdump, ufsrestore, and tar and cpio file system administration.
- Network trouble shooting using ‘ndd’, 'traceroute', 'netstat', 'ifconfig' and 'snoop' etc.
- Developed automated processes that run daily to check disk usage and perform clean up of file systems on UNIX environments using shell scripting and CRON.
- Install and configuration of Web hosting administration HTTP, FTP, SSH, & RSH.
- Monitoring the hosts and networks using sar, Iostat, VMstat, MPstat and Other Tools.
- Experience in help desk management, desktop pc support & troubleshooting and supervising desktop pc technicians.
- Proficient in using different ticketing tools like Remedy and JIRA
- Maintaining appropriate file and system security, monitoring and controlling system access, file access, changing permission, ownership of files and directories, maintaining passwords, assigning special privileges to selected users by using RBAC utility, monitoring status of process in order to increase the system efficiency.
- Provided customer support, help/troubleshoot users to resolve server, network, and other system wide problems.
- Excellent communication and documentation skills and is able to work individually as well as a team member.
- Adaptable and able to work under pressure.
- Good at influencing, leading, negotiating and delegating.
Environment: Red Hat Linux 5.x,6.x Sun Enterprise Servers, SUN FIRE 6800/E6500/E4500, Sun Sparc1000, Disk Suite, DNS, NIS, NIS +,SNMP, Apache, Glassfish.
Confidential, Waltham, MA
Solaris/ Linux System Administrator
Responsibilities:
- Installing, upgrading and configuring SUN Solaris 8, 9 and 10 on Sun Servers using jump start, and kick start installations on Red Hat Linux Servers 5, 5.1, 5.2, RHEL 5.2,5.4,5.7.
- Performing patches installation, Patch upgrades and packages installation on Sun Solaris and Red Hat Linux servers by using RPM utility.
- Setting up RAID levels on Sun Storage Equipment’s using VERITAS Volume Manager and VERITAS file System (VxFS), Solstice Disk-suite on new/existing production/development systems for reliability, fault tolerance, and availability in SAN environment.
- Installing and Configuring nodes on a VERITAS Cluster in a SAN environment, adding VCS agents for Oracle, Sybase, troubleshooting fail over issues, resource management .
- Configuring distributed file systems and administering NFS server and NFS clients and editing auto-mounting mapping as per system / user requirements.
- Experienced in troubleshooting the issues on WebLogic application servers.
- Experienced in troubleshooting issues on Apache, Tomcat & jboss application servers
- Installing, configuring, and administering DNS, NFS, NIS, Mail servers, FTP servers RPM servers on Sun Solaris and Red Hat Linux platforms.
- Working on VMware/ESX servers. Installing and monitoring various virtual environments with ESX 3.x/4.x and Virtual Centre 2.x.
- Install and configured SAMBA, APACHE / TOMCAT server for Solaris and Windows connectivity.
- Deployed high performance web applications using LAMP stack web platform.
- Creating user accounts, user administration, local and global groups on Solaris and Red Hat Linux platform.
- Monitoring the servers and network performance by using NAGIOS, Zenoss, SAR, Iostat, Vmstat, Mpstat and Other Tools.
- Regular disk management like adding / replacing hot swappable drives on existing servers workstations, partitioning according to requirements, creating new file systems or growing existing one over the hard drives and managing file systems.
- Provided customer support, help/troubleshoot users to resolve server, network, and other system wide problems.
- Supported, enhanced and maintained a heterogeneous UNIX network of Solaris 24x7 environment.
- Experienced as a project leader with a ability to initiate/manage cross functional teams and multi displinary projects
Environment: Sun High-End Servers (12k/15k/25k), Midrange Servers (3800/4800/6800 ) Sun fire T series(T2000/T1000 and entry level Servers, storage arrays and Storage libraries, Sun Solaris 9, 8, 10, VERITAS Volume Manager 4.1, 4.0 -3.5,Solstice disk suite 4.2.1, sun cluster 3.1.
Confidential, Lansing, MI
Solaris Administrator
Responsibilities:
- Installation, Configuration and Upgrade of Solaris 9/10, Red Hat Linux AS 4/5, RHEL 4/5, HP-UX 11i, AIX 5.3operating systems.
- Experience in Setting up and configuring Install Server, Configuration Server and Boot Server for Jumpstart, and Kick start process to install OS on Several workstations.
- Installation and Configuration of VERITAS Volume Manager, VERITAS File system and VERITAS Cluster Server.
- Created Korn Shell scripts to install the RTP system on a Unix server.
- Implementation of RAID techniques and the creation of Disk groups and volumes, plex using VERITAS Volume manager 4.1.
- Installing, Configuration, and troubleshooting of ESX 3.x/4.x, Virtual Centre and, VI Client.
- Installing, configuring and administering of Solaris Zones.
- Configure ZFS and QFS and fixed the problems occurred, set the quota and reservations for such file systems.
- Configuring distributed file systems and administering NFS server and NFS clients and editing auto-mounting mapping as per system / user requirements.
- Backup management and recovery policies using VERITAS Netback-up.
- Monitor servers performance and resolving security incidents
- Extensive Space allocation to Meta devices, detaching and clearing the devices if not in use.
- Day to day trouble shooting for end users on UNIX/LINUX
- Setup SAN/EMC storages with HBA card configuration and different level of RAID configuration.
Environment: Solaris 8/9, Red Hat Linux 4/5, Sun Enterprise Servers, SUN FIRE 6800/E6500/E4500, Sun Sparc1000, IBM RS/6000, Disk Suite, Veritas Volume Manager 3.x/4.x, LDAP, DNS, NIS, NIS +,SNMP, Apache, WebSphere, Sun and Veritas Clusters.
Confidential, San Francisco, CA
Solaris/ Linux System Administrator
Responsibilities:
- Installing, upgrading and configuring SUN Solaris 8, 9 on Sun SPARC Servers using jump start and also Red Hat Linux 5, 5.1, 5.2 using kick start installations.
- Performing patches installation, Patch upgrades and packages installation on Sun Solaris and Red Hat Linux servers.
- Installation and Configuration of Veritas Volume Manager, Veritas File system (VxFS) and Veritas Cluster Server.
- Implementation of RAID techniques and the creation of Disk groups and volumes, plex using VERITAS Volume manager 4.1.
- Creating user accounts, user administration, local and global groups on Solaris and Red Hat Linux platform.
- Install and configure Ubuntu, Centos on remote servers and Desktop servers.
- Working with developers to load software onto Linux Enterprise servers and also debugging Scripts.
- Set up and administer user and groups accounts, setting permissions for users.
- Diagnosed and resolved problems associated with DNS, DHCP, VPN, NFS, and Apache.
- Used LVM for the management of logical volumes including creation of physical volumes in Linux
- Creation and administration of Virtual Machines using VMware
- Utilized Remote Desktop on Windows to provide connectivity and support for remote users.
- OS upgrades and installation of third party software, packages and patches as per requirement
- Maintaining the Linux Firewall for network and implement to secure the network.
- Troubleshooting the network with the help of netstat, ping, nslookup and traceroute tools.
- Experienced in writing Shell programming for routine administration tasks.
- Installation, configuration and maintenance LDoms, DNS servers, Mail servers, FTP servers, NFS, NIS, NIS+ and Samba Web servers on Red Hat Linux and Sun Solaris.
- To produce automated monitoring / actions for critical storage resources to eliminate manual intervention and service interruption.
- Data consistency of file system using fsck and other utility.
- Scheduling system related cron jobs, Printer maintenance and managing printers (network, local, remote and serial) using, Admintool and lpadmin utility.
Environment: Solaris, E250, E10K, E4500, SunfireV880/440, Sun Storage Array NAS and SAN, Sun servers (Sun Ultra 5, 280R, V240, V440, V480, V880, E450, E4500, E6500, E6800, E10K, E15K), SUN Blade 6000, Linux servers (Red-hat Linux Enterprise), YUM, Cfengine, Veritas Volume Manager, Sun Disk Suite
Confidential
Solaris/ Linux System Administrator
Responsibilities:
- Installing, upgrading and configuring SUN Solaris 8, 9 on Sun SPARC Servers using jump start and also Red Hat Linux 5, 5.1, 5.2 using kick start installations.
- Performing patches installation, Patch upgrades and packages installation on Sun Solaris and Red Hat Linux servers.
- Installation and Configuration of VERITAS Volume Manager, VERITAS File system (VxFS).
- Implementation of RAID techniques and the creation of Disk groups and volumes, plex using VERITAS Volume manager 4.1.
- Creating user accounts, user administration, local and global groups on Solaris and Red Hat Linux platform.
- Maintaining appropriate file and system security, monitoring and controlling system access, changing permission, ownership of files and directories, maintaining passwords, assigning special privileges to selected users and controlling file access, monitoring status of process in order to increase the system efficiency.
- Troubleshooting distributed systems at runtime.
- Fundamental understanding of Application and JVM Tuning.
- Experience working in a 24x7 Production environment.
- Configuring data sources for database connectivity.
- Applying web and middleware software upgrades and patches
- Enable application tracing on the application server level in order to troubleshoot a problem.
- Schedule maintenance request in Test, QA and Production environments in line with change management procedures and guideline.
- Experienced in writing Shell programming for routine administration tasks.
- Installation, configuration and maintenance LDoms, DNS servers, Mail servers, FTP servers, NFS, NIS, NIS+ and Samba Web servers on Red Hat Linux and Sun Solaris.
- Data consistency of file system using fsck and other utility.
Environment: Sun Storage Array NAS and SAN, Sun servers (Sun Ultra 5, 280R, V240, V440, V480, V880, E450, E4500, E6500, E6800, E10K, E15K), SUN Blade 6000, Linux servers (Red-hat Linux Enterprise), YUM, Cfengine, Veritas Volume Manager, Sun Disk Suite.