Summary:

• 10 plus years of Multi - disciplinary Enterprise AIX/UNIX Systems Administration knowledge and experience.
• 10 plus years of demonstrated competence in administering UNIX/ Linux RHEL, SUSE, CentOS, FreeBSD, Mandriva, Fedora and Ubuntu, SUN Solaris OS,IBM AIX and HP-UX. Advanced knowledge of OS troubleshooting, kernel tweaking and system automation.
• Proficient in Shell Programming ksh bash and other languages, such as Perl, Python, PHP, C/C, HTML and Java.
• 10 plus years of Strong networking, routing and storage sys admin exposure with SAN, NetApp Filers, Backup Solutions, Brocades, F5 Content, HA Clusters, Netscaler and Cisco SLBs.
• Strong Server hardware knowledge SUN T2000, Fujitsu, IBM pSeries/Bladecenters, HP Superdome, Dell 2850/R10 systems including systems using multiple processors and network interfaces, SCSI subsystems, RAID Hitachi disk arrays, EMC Clarrion, Symmetrix DMX and Pillar Axiom SAN Storage systems..
• Certified Internet Webmaster CIW
• Redhat Certified Engineer RHCE
• Sun Certified System Administrator SCSA
• Flexibility in 24X7 / On-Call Scheduling
• Excellent Written and Verbal Communication Skills.
• Strong Interpersonal, Analytical/ Savvy Business Acumen, and Prioritization Skills.
• Unquestioned personal commitment to quality/timeliness of results.
• Detail-oriented. Highly self-motivated and self-directed
• Excellent Problem Solver. Strong Work Ethic. Technically Competent.
• Work well under pressure.

Skills:

• Operating Systems: Solaris 6/7/8/9/10, Linux /RHEL AS3-5/6, HP-UX 11, AIX 5.3 -7.
• Application Servers: BEA Weblogic 7.0 and 8.1, Websphere 6.X, ITIM, NDM, BEA Tuxedo, JBoss.
• Web Servers: Tomcat 6/7, Apache 1.3/2.0, Iplanet 4.1/6.0, LDAP, Varnish, Squid, ICDS/CDNs Akamai Content Delivery Web Servers.
• Databases/ Backups: Oracle 8i/9i, Sybase, DB2, MySQL // - EMC Storage Solutions, NetApp Storage Solutions, Arsenal Storage Solutions, Iron Mountain, Symantec Netbackup, IBM Tivoli, Legato, Veritas Storage Foundation, Sun Solstice DiskSuite and backup, LVM and Hitachi arrays, RAID configurations.
• Monitoring: Application Manager, BMC Patrol, Bladelogic, Netcool, Nagios, iLA, Compulert, Sitescope, Vantive, Remedy, IBM System Director, HMC, ILOM, DRAC
• Languages: Java, C/C, SHELL, PERL, PHP, HTML, CGI, Python and Ruby.
• Web Development: HTML, PHP, AJAX, JQUERY, Dreamweaver, XML, Java Script, CSS. CGI, Flash, ActionScript, XSL/T, JSP, RSS, WIKI, CMS, XHTML, DHTML, SOAP, JIRA,CVS, SVN, RCS
• Networking/Protocols: LAN, WAN, DNS, TCP/IP, VPN, Brocades, F5 Content, Netscaler Loadbalancers and Cisco SLBs/VIPs, SNMP, IPMP, BIND, SMTP, DHCP, NMAP, TCPDUMP, SNOOP, Wiresharks, NFS, MTAs Sendmail/EXIM, HTTP, SSL.POP, IMAP, TELNET, FTP, TACACs, PAM, LDAP.
• Virtualization: VMware ESX/ESX 4.1 XEN Host, LPARs, VIO servers.
• Clustering: Veritas VCS, HACMP, PowerHA, RedHat Cluster Suite.
• Management Tools: RedHat Network Satellite, IBM Tivoli Provisioning Manager., IBM TSM, TEM, COGNOS, TADDM, CENTRIFY, CA-7.
• SAN: EMC, Hitachi, Netapp and Oracle Pillar. FC SAN, iSCSI, NAS connectivity and storage subsystems.
• Hardware: CPU, Hard Disks, Memory, Fan Assembly, Power Supply, HBA

Professional Experiences:

Confidential

UNIX Systems Engineer/Admin

• Enterprise Technology Infrastructure Core-Unix RHEL/SUSE, AIX, HP-UX, Solaris role is responsible for the planning, installation, integration, decommissioning, monitoring, operation, maintenance and recovery of technology solutions hardware infrastructure/software/application in support of existing solutions throughout the full business solution lifecycle and SDLC methodology required to maintain and enhance functionality of the SunTrust computing environments development, production, and DR environments . Provide proactive and creative approach to administration with demonstrated desire for improving and maximizing efficiency, security, and performance levels. Manage and lead hardware and software migration and upgrade efforts of varying size and complexity. Work closely with other support groups, client teams, developers, DBAs and project managers to define, design and implement systems, applications, networks, security and client access. Responsibilities include redesigning and reconfiguration of non-standard solutions/components to conform to standards and/or best practices, development of enhancements, coding/scripting and, testing, gathers and analyzes data, recommends/executes changes to systems and applications for existing business system/applications. Operating system support including server OS and Middleware implementations deployments, builds, provisioning, security hardening, configuration management, software installs, patches, and updates system diagnosis, debugging, tuning, advanced troubleshooting, creating, modifying and deleting users and groups, creating and expanding file systems using LVM and fdisk, system backup and recovery. AIX 5.3, 6.1 and 7.1 installations, upgrades, performance tuning, lpars, third party software installations. AIX pSeries System Administration NIM servers, VIO, LPAR, HACMP, HMC, Disk Management LVM, VG, LV, VxVM, VxFS . NFS, DNS, NDM, FTP, SFTP, Middleware configuration and management as well as administering Cluster VCS PowerHA. Filesystem Management and System Performance Tuning Ext3, XFS, Swap. Deploying servers using AIX NIM, CSM and Red Hat Linux Satellite Server, Build RPM packages using SCCS cvs, svn, git, etc., to include troubleshooting server issues related to TCP/IP, subnetting, routing, LDAP, NFS, ARP and DNS bind .. Lead and execute project and operational activities, troubleshooting, enhancements, test readiness development, and maintenance plans to ensure proper operation of the business system/services are optimized. Working close with SAN teams creating configuring NFS servers, clients and troubleshooting storage multi-paths, HBAs, MPIO NPIV related issues.
• Support 1,700 UNIX servers in a 24x7x365 High Throughput, Low Latency large scale distributed, multi-platform, heterogeneous, enterprise-level, mission-critical environment. System failure analysis and recovery insuring the consistency and integrity of file systems, User Management, Performance Monitoring Service Tools, and day to day housekeeping activities. Troubleshooting Advance Hardware and Operating system break/fix incidents, coordinating with vendor for HW related issues. Perform recovery, administrative and operational activities, including development of process, workflow and playbooks for the daily operation and recovery of the business system. Perform project execution, and operational audits to ensure standards, procedures, and methodologies are being followed. Review and analyze the effectiveness/efficiency of business systems and executes strategies that improve or further leverage these systems. Provide technical execution and operation across the organization, tactical decision making, project planning, vendor engagement and incident/request support ITIL . Business continuity planning and implementation. Audit computing environment configurations to support ongoing solution development and testing functions. Develop and implement standard process and technical improvements that increase the quality of the products that are delivered into production. Lead and mentor less experienced staff.

Confidential

Senior UNIX Systems Engineer

DAY TO DAY OPERATIONS

• Proactively maintain and improve disaster readiness and high availability for mission critical UNIX enterprise servers running AIX, HPUX, SOLARIS, LINUX REDHAT, SLES, CentOS operating systems with Oracle and MySQL databases, improving efficiency, security, and performance. Overall responsibilities include implementing new servers, managing and expanding existing systems. Perform OS Builds, upgrades and apply patches, write shell scripts, monitoring and troubleshooting system performance, assist with provisioning SAN storage, Application deployments, Console Management, Kickstart profile management, Performs server disk management, data recovery, operating system maintenance, server backup, and file restoration. Perform daily system monitoring, verifying the integrity and availability of all hardware, server resources, manage file systems and key processes, reviewing system and application logs, and verifying completion of scheduled jobs such as backups. Troubleshoot daily issues impacting customer e-mail including mail routing, blacklists, spam filters and misconfiguration, SMTP, DNS, TCP networking and routing issues. Develop long-term strategy for historical data retention and archival plan for storage needs define data retention, backup, and recovery. Leverage current infrastructure and maintained overall platform stability, security, and supportability to help facilitate application resiliency with potential high payoffs for the company. Conduct end-to-end capacity planning and disaster recovery for high availability and business continuity end goals.
• Focused on better work processes, documentation, and effective communication and troubleshooting techniques that offer efficient ground for deriving work objectives and measurable improvements. Established system management criteria, developed, maintained and updated operational procedures and policies. Developed best practices guidelines and custom scripts for systems monitoring NMS Application Manager, Nagios and Monolith to ensure maximum availability, uptime, and performance. Written and maintained documentation MOPs /SMOPS for the Linux and Solaris systems supporting technologies, Ensure documentation standards are created and adhered to. Develop operational requirements for solutions to complex issues, including those which require extensive research, analysis, critical thinking, collaboration, and precision in the execution. Review Life Cycle changes, release management and feature adds. Engineer detailed change documentation, performed risk assessment and compliance best practices standards ORTs/MOPs/SMOPs/ Overviews . Present recommendations and timely communication to upper management, developers, vendors and product owners. Facilitate post-outage reviews POR, manage Service Incident Reporting SIR, develop and deliver Root Cause Analysis RCA /RFO to client's management and to the customer.
• Act as lead quality-gate SME for new and existing solutions providing operational testing and readiness for the Systems Operations team. Mentor junior Systems Admins and championed new ideas while remaining a cooperative team player. Handled all systems escalations and manage on-call scheduling. Take lead in troubleshooting and resolving complex problems to ensure minimal disruption of mission-critical applications, such as our BACC CNR DPE flagship applications. Assisted with E-mail Migration Data Test and provided direction and guidance to improving process. Participated in several consultative meetings with the clients addressing any concerns and or potential blockers Pre/ Post Migration period for a successful migration. Worked with project managers with timeline and process implementation and documenting. Coordinate capacity, planning and analyze information concerning Job processing time, response time, hardware, software and voice utilization CPU loads. Maintain current knowledge of relevant hardware and software applications in both Colo Data Centers Savvis, Lexington and Telx . Designed and maintained Visio diagrams and data flows. Review Service Contracts, Performance Upgrade Options, Support Documents, Server Asset Management and Automation tools. Audit current security vulnerabilities and lock down systems and applications from all intrusions and exploits by implementing a robust security hardening policy plan to help mitigate risks, minimize vulnerability and improve and maintain an ironclad secure environment. Ensure that security procedures are implemented enforced, and regularly reviewed. Working close with SAN teams creating configuring NSS servers and clients.
• Heavily participated in consolidation projects, take a holistic and robust approach from a Business Analytics perspective for proper implementation and maintenance of our SAN infrastructure. Migrate racked physical servers into new HA tested VMware farm as part of our Data Center Power Distribution Consolidation effort to maximize efficiency and reduce capital expenditure. Held consultative meetings with vendors, team members and cross-organizational teams and make recommendations of tactical next step implementation of HA scalable for new/altered technologies that would contribute to system cost savings and/or productivity improvements. Monitor emerging technology development and identify innovations with potential high payoffs for the company. Participated and made recommendations for our Enterprise Backup Solution, Storage Virtualization, DR/BC Geo-Redundancy and NMS Data Center Consolidation Projects.

Confidential

Senior UNIX Administrator

• Systems Administration and daily operations management of E trade's high availability UNIX systems Linux, Solaris, HPUX, AIX and VMware ESX consisting of web servers, application servers, database servers, DNS servers and Mail servers with multi-user client/server applications interconnectivity and associated storage and network resources within large scale distributed, multi-platform, heterogeneous 24x7 enterprise-level mission-critical environments DEV, SIT, UAT, PROD, DR, PLT with multi-million customers, in over 40 countries worldwide. Overall responsibilities include implementing new servers, managing and expanding existing systems. Troubleshoot and tune applications, operating system and hardware for optimal performance and customer experience. Perform daily system monitoring, verifying the integrity and availability of all hardware, server resources, systems and key processes, reviewing system and application logs, and verifying completion of scheduled jobs such as backups. Perform OS upgrades and patching, writing shell scripts, monitoring and troubleshooting system performance, assist with provisioning SAN storage, Application deployments, Console Management, Kickstart profile management, Performs server disk management, data recovery, operating system maintenance, server backup, and file restoration. Participate in the planning and execution of bi-annual Disaster Recovery exercises. Working close with SAN teams creating configuring NSS servers and clients.
• Monitor and maintain a heterogeneous SAN environment that consists of EMC DMX, Clariion, Hitachi and Sun 6540 Arrays to include directors, fiber switches, and routers ensuring connectivity back to the high availability servers. Install and configure storage host software. Troubleshoot and replace bad disk and HBAs. Manage tape drives and library VTL and performs backup restorations when requested. Perform daily backup operations using Netbackup 7.0 ensuring all required file systems and system data are successfully backed up to the appropriate media, ensuring recovery tapes or disks are created, and media is recycled and sent off site as necessary.
• Manage Java-based Middleware application servers in support of large-scale, web-based environments, including installation and configuration of third party /vendor software. Stack validation and definition, configuration of mail systems, printing systems, Build and configure major Internet host/network services including but not limited to: Web HTTP, SSL,, Mail sendmail, qmail etc., DNS, and NFS, NIS/NIS, databases Oracle, Sybase, DB2. and Java. Improve the overall system security, as well as other complex changes to the production and development environments, Interface and work effectively and proactively with all cross-functional groups including Project Management, Engineering, QA, DBAs, Developers, Application and Services Teams to assist and work through the design, development, testing deployment of applications during Roll Automations, and ECOs.
• Responsible for the PRD deployment and Monitoring and Recovery of all Control-M Batch Jobs, this involves creating a JCL file which is used by the BFW and Control-M frameworks to install the job and schedule it automatically. Utilize Akamai to do delivery of static content including images, javascript and stylesheets, to offload traffic from our own webservers and to allow clients to view pages more quickly since content is delivered from a server that may be closer to them in terms of network geography. Ensure website is up and functioning at all times by recycling nightly before market opens all trading platform servers/nodes such as Serena, also making sure all E trade's flagship Banking and Brokerage applications such as ETPRO, Market Trader, Mobile Pro, Retail Signals, Routex, COPS/BOPS, Genie, Serena, T and Bank Profile processing critical batch jobs all completed successfully, ensuring no database latencies and connections established fully with all Vendor market data feeds. Maintain site caching architecture using Akamai's CDN. Use Sitescope, Keynote and Gomez site performance and analytics tools periodically.
• Develop and document scripts to improve functionality and routine tasks automation of routine procedures through the creation of shell scripts, patches and hardware replacements.
• Automate software build and deployment with version control CVS, SVN. Bug tracking environments. Debug complex systems tcpdump, strace, gcore . AIX 5.3 and 6.1 system administration on enterprise servers in production environments and development.
• Provide assistance in developing and implementing proper security measures in order to provide data integrity and confidentiality of information. Conduct routine hardware and software audits of UNIX servers for compliance with established standards, policies, procedures and configuration guidelines. Monitors service results and establish procedures to identify common problems and/or trends in providing a proactive service support program, preventing potential problems. Establish performance benchmarks, monitor workload and analyze results to ensure systems optimization, proactively find ways to improve systems and site performance to contribute to the company's growth and profitability.

Confidential

Senior UNIX Administrator

• Maintain daily operations of AT T GCSC UNIX-based servers AIX, HPUX, SOLARIS, LINUX . Install software, apply patches, manage file systems, monitor performance and troubleshoot alerts from commercial, open source and locally developed applications and tools.
• Responsible for administration, implementation and remote management of clients' hosted web, applications, and database servers.
• Working close with SAN teams creating configuring NSS servers and clients.
• Six years of hands-on IT experience administering WEBSPHERE and WEBLOGIC SERVERS.Experienced in Installation, Configuration, Upgrades, troubleshooting and maintenance of Websphere 5/6.X, WebLogic Servers 6.1, 7.0, 8.1 in Linux and Sun Solaris Server platforms in a clustered environment for high availability. Worked with application development team on deploying and fine tuning the developed applications. Performed Operational Readiness Test ORT Script For IBM WebSphere MQ 5.3.
• Perform day-to-day server maintenance and log review, including troubleshooting, debugging, analyzing fault resolution RCA, configuration management, change management, systems tuning and performance management.
• Main tasks being systems installation, configuration, task automation, systems maintenance and administration, Mail administration, high availability and systems security.
• Duties were, mainly, to make sure all the web servers and the oracle database servers were accessible at all times.
• This included troubleshooting both hardware and software issues, coordinating with SUN Support and having replaced hardware components in a timely manner as all machines were under service contract with SUN.
• System performance tune up, Administer high availability servers. Involved in administration, configuration, upgrade, service packs and patches installation, troubleshooting on Sun Solaris, Redhat Linux, HP-UX, AIX, LDAP Sun One and CriticalPath, Active Directory and Internet gateways proxy, NetCache and BlueCoat CacheFlow Servers.
• All devices monitored through BMC patrol, Open View and Compulert, Vantive for asset management, service requests and change control, Sun Solstice DiskSuite and backup, Ethereal for packets analyzing, F-Secure, putty and Exceed for secure connections, and McAfee VirusScan. Enterprise edition..
• Provide a wide range of server management tools and applications support including DNS, Backups, Cluster failover, SAN disk management, ICDS and Mail Relay requests.
• Monitor server stability and performance, processes application traffic, file directories, error rates, CPU utilization, specific customer processing, etc. and provide accurate diagnosis of production issues/problems by analyzing data in log files, error rates and applying UNIX security concepts and best practices.
• Checking File System making sure no mount points are faulted.
• Analyze system log files for any hardware related error messages.
• Verify disks are showing up online to the volume manager.
• Manage swapping /paging and identifying memory leaks.
• Written and executed shell scripts to run cron jobs to automate processes.
• Perform Change Control / MACD work on chronic analysis and corrective planning.
• This include: installations, automation of routine procedures through the creation of shell scripts, patches and hardware replacements.
• Identify and drive the adoption of best practices and emerging standards.
• Monitor emerging technology development and identify innovations with potential high payoffs for the company.
• Make recommendations for new/altered technologies that would contribute to system cost savings and/or productivity improvements.
• Establish system management criteria.
• Develop, maintain and monitor procedures and policies.
• Monitors and tunes the system to achieve optimum level of performance.
• Focus on better work processes, documentation, communication and troubleshooting techniques that offer efficient ground for deriving work objectives and measurable improvements.
• Conduct routine hardware and software audits of UNIX servers for compliance with established standards, policies, procedures and configuration guidelines.
• Participate in technical calls on outages and assisting with restoring service.
• Facilitated and assisted admin team in accomplishing goals for weekly and quarterly reviews.
• Participation in Technical Infrastructure solutions design, procurement and deployment.
• Manage creation/tracking/reporting service remediation plans to the client, facilitate post-outage reviews POR Manage Service Incident Reporting SIR Develop/deliver Root Cause Analysis RCA to the client.
• Make recommendations for new/altered technologies that would contribute to system cost savings and/or productivity improvements.
• Establish system management criteria.
• Develop, maintain and monitor procedures and policies.
• Develop and maintain all technical handbooks by documenting best practices and critical operational processes.
• Other responsibilities include non-technical aspects of change coordination, direct customer interface, customer relationship management, and stewardship meeting coordination.

Confidential

UNIX System Administrator /DevOps

• Performed the role of Web Developer eCommerce and Unix Administrator as escalation point for web services operations, application analysis, application development and debugging using PHP, MySQL, Perl, Java Script, and Dreamveaver.
• Maintain site caching architecture using Akamai's CDN. Refactored CSS across entire site improving page render speed by 30 . Implemented e-commerce systems including shopping cart applications in PHP and MySQL.
• Improved search rankings for web sites using semantic XHTML and link campaigns.
• Performed site deployment, FTP site moves, and content management creation. Monthly Search Engine submissions and SSL Certificates renewals.
• Ran Webtrends reports perform data backup using Veritas and Legato Backup server applications.
• Assisted with user interface UI improvements and redesign for sites such as
• Responsible for remotely managing client hosting servers and web applications, perform user and security administration, and system processes, automation, performance tuning, system configurations, system backups and restores.
• Performed network basics. Monitor server stability and performance, processes application traffic, file directories, error rates, CPU utilization, specific customer processing, etc. and provide accurate diagnosis of production issues/problems by analyzing data in log files, error rates and code releases.
• Create user accounts on UNIX servers.
• Create directories and grant permissions. Manage disk space and quota allocation.
• Troubleshoot POP3 and SMTP servers and all E-mail systems IMail, QMail, DMail, IMAP, SquirrelMail, Cpanel, ENSIM and SpamAssassin related issues, documenting root causes for any critical or chronic failures.

Confidential

UNIX System Administrator tier II

• Provided maximum possible availability and performance of UNIX-based servers.
• Responsible for remotely managing clients' web servers and application infrastructure platforms.
• Performed system administration and hardware support for other enterprise systems, such as Oracle database servers, Oracle application servers, and Lotus Notes Domino servers for internal clients, both within and outside of IT.
• Monitored Unix/Linux servers as well as switches and routers for managed hosting customers and collocation customers in our Data Centers using Netcool.
• Monitor appropriate processes application traffic, file directories, error rates, CPU utilization, specific customer processing, etc. and provide accurate diagnosis of production issues/problems by analyzing data in log files, error rates. Stop and restart processes/services. Manage user accounts: Fix file permission related issues.
• Granted root access for clients, handled password reset and or server reboot requests.
• Administer, monitor, upgrade and perform preventative maintenance on UNIX servers, Administer backup procedures to ensure proper and timely backups and restores.
• Problems troubleshooting, Evaluate, test and recommend network software and hardware products, patches and fixes. Planned and Rollout new applications.
• Performed day-to-day server maintenance and log review.
• Configure and tune server parameters for optimum availability and performance.
• Responsible for the coordination and/or execution of daily tasks required for the maintenance of adequate system security including passwords, systems rights, scripts, etc.