SUMMARY:

• Quality - focused IT professional with 13+ years of experience as a Systems Engineer, Unix Admin, Storage Admin, TIBCO Admin software/hardware specialist.
• Proven ability to create and deliver solutions that meet corporate objectives tied to business and technology performance.
• Comfortable operating in a wide range of platforms and environments.
• Effective communicator, able to explain complex processes in easy-to-understand terms for end users.
• Skilled in proactive identification and resolution of critical applications and systems

TECHNICAL SKILLS:

• Red Hat Enterprise Linux, Ubuntu, CentOS, Sun/Oracle Solaris 10 & 11.
• HPUX, AIX, Win NT, 2K, 2K3 and 2K8 servers across LAN/WAN/SAN environments.
• Virtualization: VMware, Xen, Zones, LDOM, WPAR, LPAR.
• Dell Power Edge, HP ProLiant, HP Blade enclosures and Sun X series FireE10, 15, 25k.
• Cisco, Brocade, Routers, Hubs, Switches, Bridges, Firewalls and DMZ.
• Symantec Backup Exec and NetBackup 7.x, EMC Storage
• (NAS/SAN/DASD) utilizing RAID 0 1 5 & 10. (SANS) LAN, WAN Networks.
• Internet/Intranet technology, DNS, NIS/NIS+, NFS, TCP/IP, UDP, VLANs VOIP.
• DevOps: Jenkins, Chef,SVN
• Programming: Unix Shell (Bourne Shell, Bash, Ksh, etc)., Python
• Firewall Security software & hardware solutions.
• Remedy ticketing, Solaris send mail, Apache, Linux Tomcat.
• TIBCO BW, iPE, EMS and AMX BPM administration

PROFESSIONAL EXPERIENCE:

Confidential, Irving, TX

Lead Linux Systems Admin

Accomplished:

• Completed installation of Server Builds, Configuration, Harding and Performance Tuning in Linux RHEL, UNIX, and VMware production environment.
• Configuration of Network equipment for newly builds Servers and Workstations.
• VMware install and administration on ESXi vCenter, and vSphere client configuration.
• Installed chef and Modules Configurations into the existing Linux infrastructure.
• Provided Server Hardware support like Dell Power Edge, HP ProLiant, IBM and Sun X series for over 300+ servers and 1000+ workstations, support of 2000+ End-users.
• Very good experience on managing and administrating Gluster storage on linux platforms
• Administered configured VERITAS and Sun Cluster, Adding Disks, Slices, Disk mirroring and striping.
• Good Knowledge & experience in JIRA Administration
• Configured and maintained Symantec NetBackup and restores. Plan and test disaster recovery.
• Working with data center team for building demilitarized (DMZ) Servers and PVLAN setup for Oracle RAC cluster and Veritas Cluster build
• Automation of standard build tasks to provision the Virtual boxes and clouds for TIBCO middleware and Oracle DB
• Installing applications and database packages using rpm utility
• Perform build specification activities, sanitation testing and installing standard tools before applications go-live
• Implementing SRDF solution for PROD and COB across data center.
• Enabling Auto mount for setting up home file system and mount automatically when LDAP users login
• Performing users/groups management, CPU resource utilization, troubleshooting performance related issues.
• Installing and configuring printers using CUPS utility.
• Installing and managing TOMCAT Apache webservers. Good knowledge on IHS WASND webservers.
• Working on log compression, rotations & archival. Good experience on zipping/unzipping files using tar utility
• Installing SAMBA server package and mounting exported volumes to Windows machines
• Setting up Veritas Cluster for TIBCO messaging and iPE/AMX BPM/BW Servers for high availability
• Work with storage team for storage provisioning and fixing multipath issues and HBA setup
• Performing change tasks for decommissioning linux servers, disabling Tivoli alert monitoring
• Created Shell scripts (Perl, BASH, and Python) for automating the batch jobs, log reviews, report generation & alert notifications etc.
• Good working experience on SANGRIA multipath and providing fault tolerance for applications
• LUN configurations, LVM management, Resizing of volumes and File systems
• Ensuring SLA has been met and preparing presentations to Service delivery leads on every month and discuss the highlights, lowlights, achievements with customer
• Working on daily huddle call with offshore-onsite team to discuss the ongoing open items and shift hand-over activities.

Linux System Administrator

Accomplished:

• Setting up and managing NFS server and performing NFS client configurations
• Performing patches for linux servers to make sure all are compliance as per the standards
• Good working knowledge on xen virtualization for servers consolidations
• Optimizing and tuning the server kernel parameters based on the applications and DB requirements
• Making sure servers are 100% compliance with standards. Fixing any audit issues reported by internal/external audit team
• Installing and Configuring DNS,BIND, LDAP for Linux servers
• Working with Offshore team to share project requirements, updates and doing co-ordination tasks.
• Bonding Network interface for load balancing and fault tolerance
• Performing Firmware upgrade for HP proliant physical servers.
• Designing infrastructure considering every possible approach of SPOC.
• Good knowledge on PVLAN, SAN FC switches, iSCSI protocols and storage processor arrays
• Good knowledge and experience on debugging tools like netstat, iostat, vmstat, lsof, dmesg
• Doing knowledge documentations and runbook automations, sharing them in share point portal
• Created custom RPM packages using rpmlib utility
• Working on problem management, incident ticket handling and ensuring all the tickets are addressed

Linux Administrator

Accomplished:

• Installation and Configuration of Solaris, Linux and windows Production Servers in the DEV and Production Environment
• Symantec NetBackup/restoration for more than 100+ Intel & Sparc Servers
• Level 3 support of trouble shooting of Production and Development Servers with software and hardware issues.
• Linux Administration, Setup, Configuration and troubleshooting for more 200+ Production servers
• Installing & Upgrading VTM patches through native linux rpm utility
• Administered 200+ internal UNIX servers. US and global, in 24x7 environment
• Symantec NetBackup, Creation of Backup Scripts, Schedules, Modules and Client Agent. Media and Master Server Maintenance, Restores and Disaster Recovery Test and Documentation
• Developed System Scripts Shell/Perl/Python for system Monitoring and Automation
• Very good working experience on Chef for configuration management and deployment of developer codes
• Good knowledge on FISMA regulations and adhering risk management framework
• Good knowledge on using version control System (SVN) & Docker containerization tools
• Good programming knowledge and experience on UNIX shell scripts and Python for automation tasks.
• Error Logging, scheduling of servers events, Logical File system administration, File system crash debugging
• Remote monitoring and optimization of Server for File system, disk utilization, Memory utilization, threshold maintenance and Network traffic.
• Installation, configuration, Hot fixing and patch management for Real Time Telecom applications
• Automation of Servers for Database startup/ shutdown, Log clearance using shell scripting
• Good programming language JAVA, java scripts using Eclipse IDE environment
• Good experience in creating DB and writing PL/SQL procedures in oracle DB.
• Writing programming for automation using UNIX shell scripts for repetitive tasks
• Performing patch installations and fixing vulnerability thread management issues
• Creating change records for emergency changes and regular maintenance related tasks
• Good knowledge on security products like eTrust Access Control, Power broker and BoKS
• Implementing password less (SSH) authentication between servers.
• Working experience on Xen virtualization environment
• Good knowledge in awk & Stream Editor(Sed) and using them in in Unix Shell scripts
• Good knowledge in Mongo DB and its operations
• Opening calls with Redhat vendor when issues not resolved and when needs their product expertise to fix it
• Creating & Managing Physical volumes, volume groups and logical volumes. Performing online file system resizing
• Installing kernel modules and loading/unloading linux driver modules for installing new devices
• Good experience on SAN and NAS storage. Working experience on exporting the storage and mounting them locally on linux boxes

Linux System Administrator

Accomplished:

• Provided Security for all UNIX platform OS (HP-UX, AIX, Linux)
• Testing & Implementing UNIX security applications
• Administrating and Supporting eTrust/Seos Access control
• Administrating and managing BoKS/Keon tool for centralized user management
• Administrating and managing Powerbroker for granting privileged access
• Installing and managing UNIX applications and tools using rpm utility
• Good knowledge on TCP/IP, UDP, TELNET,FTP,SSH,SSL,CIFS, ARP, OSPF and HTTPS protocols and its usage
• Making all SOE(Standard Operating Environment) UNIX boxes as security compliance systems
• Conducting RCSA( Risk Control & Self-Assessment) for every quarter as part internal Audit Compliance
• Design and Implemented Powerbroker Admin menu through shell scripts
• Installing NFS,NIS+, LDAP applications and doing its configuraitons
• Worked on USM (Unix Security Model) services transition activities from London Regional Data Center (LRDC) to CTS
• Done gap analysis for USM services and corrected it through Corrective Action
• Removed Vulnerable access route in BoKS database after discussing with Business unit
• Performed QA activities for UNIX systems administration RCSA
• Good understanding on governance and regulations standards such as HIPAA & SOX

Systems Engineer

Accomplished:

• Worked as a Duty Manager for Unix Security using eTrust Access Control applications.
• Installing & Upgrading eAC on various flavours of UNIX
• Troubleshooting incident and problem tickets related to seos access control, seos databases and Working on policy model issues.
• Collecting security logs in collector node and ensuring all the nodes sending logs to collecting node.
• Working on customized scripts according to the requirement of the projects (Secu Packages, PAM tools, etc.,)
• Working on maker and checker transaction policy model.
• Performing VTM patches and OS patches periodically on linux systems
• Very good knowledge on SOX compliance parameters on FDA
• Installing and troubleshooting strong authentication software tools
• Creating and managing sesudo, surrogate, terminal and file rules for restricting the resources over file access
• Creating and restoring PMDB using sepmd tool and fixing hanging PMDB
• Managing eTrust software on all flavors of UNIX.
• Participating in Disaster Recovery(DR) drill to bring up eAC from when needed/escalated
• Doing server hardening on native UNIX. Writing shell scripts to automate weekly/daily schedule tasks.
• Securing files and programs on native unix through eTrust application software over 700 servers

Assistant System Engineer

Responsibilities:

• Installed, configured and administered Solaris, AIX, Windows Production and DEV Servers.
• Supporting telecom clients for Solaris, HP-UX, Windows, AIX, Linux based FTP, Proxy, Database server, Application server, Firewalls and Web Servers,
• Consolidation of servers, Configuration of Samba servers, Volume management using Veritas Volume manager
• Standardization of Servers for Volume Management, Applications, Backup policies, Disaster Recovery, OS Hardening, Proxy, alert Monitoring from Tivoli ESM, Security Implementations.