Sr. Unix Application Support Administrator Resume
Atlanta, GA
SUMMARY:
- Sun - Solaris certified administrator with 18+ years of experience in UNIX system administration including the platforms
- Sun-Solaris 8.0, 9.0, 10.0, 11.0, RHEL 5.0, 6.0, 6.4, Sun One directory server on Solaris 9 environment, Confidential -UX 10.2/11.0 and SMS environment.
- Experience in AIX systems administration including the AIX platforms 4.3, 5.x and 6.x and 7.1 including experience with HMC, VIOS and HACMP.
- Experience with Network Management systems and Unix tools like Empirix Hammer, Netcool, Edgehealth, TNPM and Proviso.
- Experience in supporting NAS storage servers and also supported the NAS fileservers.
- Worked with the Red Hat Linux 3.0, 4.0 machines and hosted the e-commerce application on the d Confidential base and EMC storage systems.
- Experience with the VMWARE technology in the WINDOWS and UNIX environment
- Was in charge of the backups at Confidential and worked with the scheduling of the backups for the Unix and Windows clients.
- Used the Net backup 7.x to administer the backups of the Linux and VMware servers and also winnows clients.
- Installed Netback up d Confidential base agents for the master and media servers.
- Performed the administration of Web logic Server 8.0, 9.0, 10.0 and 11.0 versions Administration in the e-commerce environment where there are banking applications. Worked with the users and developers in providing the web methods installation and troubleshooting with the web logic servers in the 24x7 production environment.
- Worked with the Net cool, NB Master servers and NB Media Servers based on Solaris and Linux. Worked on the disaster and recovery project implementation.
- Experience in performing the backups on Net app Filers (NDMP and Snapshots).
- Supported the projects and the group of developers based on ITIL standards.
- Troubleshooting with the DNS and NIS issues and also Web logic server troubleshooting.
- Worked for the d Confidential centers providing the 24x7 support for the servers based on Solaris and AIX and Linux.
- Supported the SAN environment and configured the LUNS based on the SAN specs. Experience with P5 machines and P7 series of machines. Worked on the AIX migrations from version 5.1 to 5.2 and 5.3 to 6.1.
- Experience with managing he clearcase source code and upgrading the clearcase servers.
- Experience in LPAR setup using HACMP in combination with EMC Clarion and EMC Powerpath storage devices.
- Experience in Confidential -UX administration with versions 10.10, 11.11 and AIX 6.x, 5.x.
- Expertise in C++, C, Pro*C/C++, TCP/IP, Socket Programming, Shell scripting, Perl, Java, Oracle, SAP R/3, PL/SQL and Sybase on UNIX (
- Confidential AIX, Confidential -UX 10.20 & 11.0 and Sun Solaris) and Windows environments.
- Experience with Full Software Development Life Cycle (SDLC) for two projects.
- Strong hands on working experience with Unix Operating System and associated UNIX based multi-threaded and multi-process applications.
- Experience in Unix Network Programming using TCP/IP, IPC, Sockets, UDP, Threads
- Experience in Unix and NT Administration in a team environment, including change control and revision control with ClearCase, installation support, profile customizations and backup. Worked with the Veritas Cluster Servers.
- Excellent technical problem solving and code debugging and documentation skills.
TECHNICAL SKILLS:
Languages: C++, C, Pro*C/C++, Java, PL/SQL, ASP.net, HTML, Shell script, Perl
Hardware: Sun Fire E25K, SMS enterprise, Confidential RS6000, Confidential, Confidential PC; EMC CLARiiON, HITACHI SAN Storage networked systems.E25K,E15K,V880s
Operating Systems: UNIX - Sun Solaris 6,7,8, and Solaris 9, solaris 11.0, Suse Linux, Red-Hat Linux 7.1, 7.2, Confidential AIX 5.x, AIX 6.x, AIX 4.3.x, AIX 7.1, Confidential - UX, Windows - NT, 98, 95, 2000
RDBMS: Oracle 7.3, Oracle 8.0, Oracle 9i, Sybase
Ancillary Skills: TCP/IP, HTTP, UDP, SMTP, NTP,SENDMAIL, DNS BIND; Domain Telecommunications, Finance; NIS, NIS+, DHCP, DNS, SAP R/3; VERITAS Netback up 4.5 on Sun-Solaris 2.6 for backups; Three-Tier Architecture, Distributed architecture; Web Logic, J2EE, Confidential Web Sphere 3.5x, 6.0x, 5.0x, Lotus Domino, Apache web server; STL, Rational Rose, Rational ClearCase, TSM Tivoli, Rational Unified Process, (RUP), Sun Workshop, Symantec Visual Café 3.0, Visual Studio 6.0, MQ Series, Tivoli, Remedy, epicentric, Web Sphere
EXPERIENCE:
Confidential, Atlanta, GA
Sr. Unix Application Support Administrator
Responsibilities:
- Supported the Cox Business Commercial Customers like Empirix and ALU as Unix SME (Subject Matter Expert) and supported the Cox internal customers thereby troubleshooting Red Hat Linux and solaris 10.0 and solaris 11.0 problems and hardware issues.
- Supported the VOIP Engineering group and their E-XMS applications like Empirix Hammer.
- Supported the VOIP infrastructure with the hardware and OS problems to resolution.
- Involved in troubleshooting the NAS issues and storage LUN file servers based on Linux.
- Used the ETMS and UET Remedy ticketing system to resolve the tickets in RHEL 6.4, and RedHat Linux 6.0 versions and Suse Linux versions.
- Implemented the unix security features like SSL s and sshd for the Linux servers and fulfilled the customer requirements for their e-commerce applications.
- Provided the 24x7 support to the Unix applications in the on-call rotation of NMAS(Network Monitoring and Application Support) group.
- Maintained the hardware and OS with periodic reboots of HCOS and Probes and resolved the disk failure problems and file system issues.
- Co-ordinated with the Empirix who is vendor to Cox for application critical issues.
- Supported the outage issues during the production time with minimal outage period.
- ECR’s( Enterprise Change Request) have been facilicated for the hardware upgrades and replacements like CPM2 and CPM8 cards during the after hours.
- Participated in testing of new tools, new patches and probe verifications.
- Supported various Unix NMS tools like Edgehealth, Guardian, Ciena One Control with code deployments on solaris 10.0 and solaris 11.0 and support procedures.
- Provided to the new hires in the group and showed them the work procedures.
- Able to work with minimal in a collaborative team environment.
- Troubleshooted the TCP/IP, Apache, Tomcat and SNMP related issues at Cox.
- Able to work in a dynamic environment that requires multi-tasking.
- Experience with Network protocols like FTP, SS7 and HTTP and UDP.
- Experience with Netcool, TNPM, Proviso, SAM and Ciena One Control.
- Experience with Oracle and Mysql d Confidential bases and supported the bulk adds and bulk deletes and resolved the UET help tickets using the Guardian tool at Cox.
- Ability to create the bash scripts and improve the monitoring system and the efficiency of applications.
Confidential - Cary - NC
Sr. Linux Systems Administrator
Responsibilities:
- Supported the Verizon Business Commercial Customers like Best Buy, Lowe’s, Equilend, Confidential, Six Continents Hotels and American Airlines as Unix IME (Incident Management Engineering) there by troubleshooting Red Hat Linux problems and issues.
- Supported the Confidential ’s CAAS, IPAH and RAM environments where the cloud computing environment is present.
- Experience in troubleshooting the storage issues of NAS arrays and file servers.
- Involved in troubleshooting the NAS issues and storage LUN file servers based on Linux.
- Used the ETMS and Remedy ticketing system to resolve the tickets in RHEL 6.4, and RedHat Linux 6.0 versions and Suse Linux versions.
- Implemented the unix security features like SSL s and sshd for the Linux servers and fulfilled the customer requirements for their e-commerce applications.
- Worked as Linux administrator for Cloud Computing Support in Cary NC and was involved in replacing the failed drives and fixing the faulty KVM’s.
- Supported the Cloud Computing Environment based on Red Hat Linux and VMware.
- Worked with the Red hat instances in the VMware environment. Worked in setting up the TCP/IP network .Network troubleshooting was taken care.
- Troubleshooting involved the Round Robin method of accepting the trouble tickets and perform the patching and work on the changes for different Verizon customers and the Verizon infrastructure which is 24x7 and supported the Beltsville d Confidential center, San Jose, Amsterdam and UK based d Confidential centers.
- Supported Cloud Machines with server build troubleshooting, process monitoring, performance and tuning of the e-commerce application servers like web logic and web sphere and MQ series troubleshooting.
- Supported the Equilend customers with 70 to 80 banks connected with Solaris and Linux machines and MQ series for e-commerce banking.
- I am EQL(Equilend) certified and am very comfortable in providing the 24x7 support for the banking servers and private banking clients with Red Hat Linux, AIX and Solaris operating systems.
- Involved in working the daily changes on the production machines and implement the changes after hours for the Verizon’s precious customers.
- Supported the Confidential ’s VCLOUD and ECLOUD infrastructure with provisioning and de-provisioning of RHEL and Suse Linux images and troubleshooting the Cloud infrastructure.
Confidential
Sr. Linux Systems Administrator
Responsibilities:
- Worked as an onsite admin for SCE (Smart Cloud Enterprise) and SCE+ (Smart Cloud Enterprise plus) environments in Boulder thereby supporting the RHEL 5.0, 6.4,Suse Linux Supported the id Confidential plex machines and the Power-5, Power -6 and Power-7 series of machines. Experience with yum, kick start, RHEV and RHNS.
- Experience with LVM, VxVm on Solaris and Confidential systems.
- Experience with AIX 6.1, 7.1 systems administration, Power VM, VIOS, hmc and HACMP administration.
- Supported the NAS and Netapp servers and involved in troubleshooting installation and file server access issues.
Confidential - Dubuque - IA
Sr. Linux Systems Administrator
Responsibilities:
- Installed the web sphere and web logic server on AIX 7.1 and RedHat Linux and Suse Linux machines. Provided the 24x7 support for the web applications. Also, provided support for the Suse Linux machines.
- Involved in the upgrades of AIX 6.1 to 7.1. Also, worked with the SUN-FIRE V480 servers, with the automated builds of 2.8.
- Worked with AIX NIM images and installed it on the LPARS using NIM server.
- Worked with AIX 4.3.x and 5.x P-series servers. Installed the AIX operating systems on P-590 servers. Performed AIX migrations from version 5.1 to 5.2 and 5.3 to 6.1.
- Supported the Confidential Superdome machines with Confidential -UX version 10.10 and 11.11. Configured the npar partitions and installed the e-commerce applications.
- Installed the RHEL 6.4 in virtualized environments where VMWARE 4.1 is used.
- Worked with the Oracle d Confidential base instances in the Veritas Clustered environment. Also was involved in the C/C+ + debugging on the clearcase platforms. Filing the bug fixes and issuing the C++ code to the designers with the corrected code. Worked with the e-commerce applications inconnecting to the oracle d Confidential bases using the JDBC connections.
- Worked in setting up the TCP/IP network .Network troubleshooting was taken care.
- Involved in the SDLC programs and worked on Change Management procedures.
- Configured the LPAR setup on the machines. Resolved the production issues.
- Security features like Power Broker, OS-Hardening and the Audit-Trail were also used to keep monitoring the usage of the network.
- Provided support for the 24x7 environment using the trouble ticketing system.
- Worked with the P-590 Regatta servers and configuring the lpars and also build the images using the nim server. Provided support for the Confidential customers like FLUOR, MSS,
- SNI, OLIN and starwood hotels.
Confidential - Memphis - TN
Sr. Linux Systems Administrator
Responsibilities:
- Experience with the Confidential machines P5 and P7 series of machines in building the lpars and the nim images of 6.3 and 6.1 versions. Worked with the installed images in installing the 3rd party apps for the e-commerce packages.
- Performed the profiling of the vmware and linux machines and also the Netbackup servers based on Linux platforms. Supported the e-commerce applications that were connected to the Oracle d Confidential base, Sybase d Confidential bases. Class path corrections with the GUI based web portals. Involved in debugging the java and C++ code and fixing the bugs in the e-commerce applications.
- Provided the support for the 24x7 machines Confidential -ux and red hat advanced server version 4 and version 5.0.
- Administered the 3 par storage partitions and 2 par partitions.
- Experience with the Cisco and Fore Runner switches to keep the network up always.
- Worked with the EMC Powerpath storage devices to configure
- LUNS and also worked the Hitachi storage arrays HDS LDS 415 and HDS LDS 412 models.
- Disaster recovery projects were implemented with the huge d Confidential storage arrays. The oracle RAC machines with the AIX 6.1 images.
- Worked with the VMWARE environment where the clustered servers used the virtualization policies in the d Confidential center for the production. Also, worked with the windows clusters with the vmware licensing to co-ordinate the different applications.
- Experience configuring, setup and support of Netback up volume pools, storage units, polices, tape drives, robots and Puredisk.
- Security features like Power Broker, OS-Hardening and the Audit-Trail were also used to keep monitoring the usage of the network.
Confidential - Fishkill, NY
Sr. Linux Systems Administrator
Responsibilities:
- Worked with RHEL 3.0 and 5.0 and VIO servers. Installed the AIX operating systems on P-590 servers.
- Also configured the LDOMS on a sun fire server.
- Involved in the web logic server upgrades from 8.0 to 9.0 and 10.0 versions and troubleshooting using the remedy ticketing systems and HPSD, performance and tuning the garbage collectors and jvm tuning the production time.
- Also, involved in the installation of the web logic server software on the master servers and the client apps on the client machines like WINDOWS, Confidential -UX and AIX and SOLARIS boxes. Supported the vmware technology built servers in the 24x7 environment.
- Security features like Power Broker, OS-Hardening and the Audit-Trail were also used to keep monitoring the usage of the network.
- Provided the support 24x7 for the d Confidential center and managed the on-call procedures.
- Worked with NIM servers and also HACMP with lpars setup and install the nim-image 5.2.x. Installed MQ-series and WebSphere server on the AIX servers. Provided the support for the 24x7 servers.
Confidential - Scottsdale, AZ
Sr. Linux/AIX systems administrator
Responsibilities:
- Solving the HPSD tickets and Veritas Netback up and Net cool administration. Provided the support for the servers. Sun ONE Directory Server 5.2 with many new replication features: Supported UNIX ( Confidential 11v2/11v3, Solaris 10)/Linux (Red hat AS4/AS5)
- System Administration, i.e the production environment. Administered the web logic server. Troubleshooting the failed backup jobs using the Veritas Netback up 6.2, 6.4 versions. Firmware upgrade and tape cleaning was monitored on a daily basis. Also, was involved.
- In the policy change procedures for the various netback up clients like licensing procedures.
- Web Server administration with WAS 6.x, WAS 5.x. Installation and configuration of the web sphere application server is one of the routine tasks. Worked with the java developers and also the testing team thereby providing support.
- Worked with VERITAS Volume Manager and VERITAS Cluster Server. The Solaris environment is Solaris 10.
- Worked with the user and provided the support for the WEBSPHERE server applications in the d Confidential center.
- Installed the web sphere server on AIX and RedHat Linux machines. Provided the 24x7 support for the web applications.
- Worked with AIX 4.3.x and 5.x servers. Installed the AIX operating systems on P-590 servers.
- Configured the LPAR setup on the machines.
- Security features like Power Broker, OS-Hardening and the Audit-Trail were also used to keep monitoring the usage of the network.
- Involved in the upgrades of AIX 5.1 to 5.2. Also, worked with the SUN-FIRE V480 servers, with the automated builds of 2.8.
- Worked with the P-590 Regatta servers and configuring the lpars and also build the images using the nim server.
- Provided the support 24x7 for the d Confidential center and managed the on-call procedures.
Confidential, East Moline, IL
Sr. Linux Systems Administrator
Responsibilities:
- Provided support for the Solaris LDOMS and the AIX 5.x, 4.3.x servers on which the java based tools are installed. Provided support for the E25k machines in the d Confidential center.
- Worked with NIM servers and also HACMP with lpars setup and install the nim-image 5.2.x. Installed MQ-series and WebSphere server on the AIX servers. Provided the support for the 24x7 servers. Managed the users with problem resolution. Installed the Solaris 10 operating system environment and configured the web based applications.
- Configuring a master replica on environment .Creating the replication agreements
- Zoning concepts were implemented for better performance and implemented cost effective plans to maintain the hardware with more Virtual I/O and throughput of the applications.
- Worked with DAS-Infra support team and provided support for the java based tools like Star Team, Team Site and Documented.
- Worked with the end users and the developer groups and provided support to the network environment. VERITAS Volume Manager and VERITAS Cluster Server were configured.
Confidential, Tempe-AZ
Sr. Linux Systems Administrator
Responsibilities:
- Installation of VCS 2.0 on Windows and VCS 3.5 on Solaris environment and its configuration to manage the VERITAS clustering. Managing the clustering services by using the cluster Manager. Worked with the EMC CLARiiON CX/500 series to consolidate all the mid-tier applications and leverage the ip connectivity. Configured the SAN LUNS with the different db application projects and maintained their high availability for the e-commerce solutions.
- Security features like Power Broker, OS-Hardening and the Audit-Trail were also used to keep monitoring the usage of the network. Involved in the upgrades of AIX 5.1 to 5.2. Managed the VIO servers.
- Installed the RedHat Linux on id Confidential plex machines and supported the e-commerce applications. Supported the Linux developers and designers.
- Also, worked with the SUN-FIRE V480 servers, with the automated builds of 2.8.
- Worked with the P-590 Regatta servers and configuring the lpars and also build the images using the nim server.
- Provided the support 24x7 for the d Confidential center and managed the on-call procedures.
Confidential, Santa Clara, CA
Linux Systems Administrator
Responsibilities:
- Installed the sun servers with Solaris 8,9 operating systems, provided support for the other sun-clustered enterprise servers E15K,E10K,Sun-Fire 4000,880's 4800's and worked in solving the trouble tickets using the Remedy ticketing tool. Provided 24x7 supports for the DNS servers based on NIS+ and NIS environments.
- Worked in configuring the LUNS for various applications using SAN (S10). Worked in creating the d Confidential base instances associated with the SAN storage devices. Carried on-call duty pager on weekends and provided 24x7 support to all the production servers.
- Configured the SENDMAIL server and troubleshooting support for the DNS BIND servers. Worked in Install/setup/maintain/configure/troubleshooting of: NFS, VERITAS Netback up and VxVM, VxFS, VERITAS Clustering, Solstice Disk suite (4.2.1) Sun StorEdge Enterprise Backup Software (7.0), SAN Design, VERITAS Netback up (5.1) Sun Management Center (3.5 v4) Sun StorEdge Enterprise Storage Manager (3.0.1) Sun Cluster (3.1)
- Operations Management:
- The activities described below outline the Operations Management process of the UNIX service. All other operational activities are not part of the UNIX scope of services. These activities remain Confidential responsibility. System Alert Monitoring. The key activity of Operation Management is the monitoring of the alerts generated by the system.
- Tools: Sun-Solaris operating system, Linux Enterprise 3 & 4,SGI, Scripting (sh/ksh/perl), Tivoli Storage Manager/ Netback up.
- Application Environments Supported: Oracle 8.1.7.x - 9.2.x (OPS/RAC),MQ-Series Confidential WebSphere 6.0 and Other Middleware Products.
Confidential, Phoenix, AZ
Sr. Linux Systems Administrator
Responsibilities:
- Installation of VCS 2.0 on Windows and VCS 3.5 on Solaris environment and its configuration to manage the VERITAS clustering. Managing the clustering services by using the cluster Manager. Worked on Confidential AIX server which 5.x on P-series with LPAR setup and configuration and also supported the HACMP high availability. Installed the Confidential WebSphere MQ-series products line messaging, for the intranet use, loaded the web applications and provided the support for the web applications. Provided the 24x7 support for the web application servers.
- Security features like Power Broker, OS-Hardening and the Audit-Trail were also used to keep monitoring the usage of the network. Involved in working with the EMC storage systems and configuring the disks and initialize them for the different mid-tier applications maintaining high availability and scalability. These storage systems were connected to the fiber channel backbone. Also worked with the EMC Symmetrix DMX series system for leveraging the networked storage.
- Performance tuning was done by modifying kernel parameters. The files on network were monitored routinely by system log file, sulog file messages
- Installed Confidential WebSphere application servers and upgraded them on a periodic basis. Backup and restore of files systems were taken using Shell Scripts in which ufsdump and ufsrestore commands were used.
- Involved in scheduling the backups for the different teams using the VERITAS Netback up 3.4 and 4.5 i.e. on Solaris 8 platform. Also handled large volumes of d Confidential using VERITAS Volume Manager and VERITAS file systems 4.x.
- Involved in server builds and installing the d Confidential base instances with the fixed allocation of space for file system volumes.
- Worked on Tivoli applications TSM software and also supported them with 24x7 support servers.
Environment: VERITAS Netback up 3.4/4.5/5.0, HACMP, RedHat Linux 7.1, 7.2, ACSLS, Oracle 8.0, Solaris 2.x, Solaris 9, Tivoli, Web Sphere 4.0x, 5.0x, web logic server 5.0, web methods, Confidential Web Sphere 5.x,6.0 (beta) VCS 3.5, SMS and SAN environment, RS6000, Confidential AIX 4.3.3, ClearCase, Confidential -UX 10.2/11.0, Shell scripts.
