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Unix Administrator Resume Profile

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PROFILE:

UNIX Administrator and Engineer providing Senior level administration of AIX, Linux, RedHat, and Oracle Unix. Having managed hundreds of Mid-Range Unix systems on Power, Sparc and Intel platforms. For environments in banking, credit, debit and check clearing telecommunications and hospitals. Project Management for both Production and Development environments. Easily adapting to fast pace, dynamically changing requirements with evolving project requirements while maintaining day to day BAU support roles as lead or team member. Training new hires with train-the-trainer techniques to provide for a level team skill set in all areas of operation and to meet SLA's, performance goals and deadlines. Excellent interpersonal and communication skills, confident working with laymen, associates, business units, and customers on and offshore. Providing innovative, beneficial, and maintainable solutions for design, break fix, performance, and planning. Providing effective useful documentation for continuous operations and support.

STRENGTHS AND ABILITIES:

  • Automated System Builds
  • Scripting: KSH, Bash, Expect, Perl,
  • OS/ Application tuning
  • Equipment Deployment
  • Bash, KSH, Bourne, CGI, Perl, Python,
  • sed, awk, expect, php, html, perl
  • Hardware and Software Migrations
  • TCP/IP Suite Protocols
  • Routers/Switches
  • IBM pSeries Unix Servers, LPAR and VIO
  • SAN: HP EVA, EMC, IBM, JBOD
  • AIX, Sun, RHEL, HP/UX, Windows
  • BIND SSH Apache, Middleware
  • CIFS, SAMBA,
  • Brocade Fiber Switches
  • Security, Port Scanning, Nessus, nmap
  • FTP,SMTP, IMAP Anti-Virus
  • Project Management

EXPERIENCE:

SR. APPLICATION SUPPORT ADMINISTRATOR

Production support specialist for Business Critical wireline provisioning systems. Maintained sixty Oracle/Solaris systems in VCS Clusters. Responsible for planning, scheduling and pre-staging code installations for new releases. Primary administrator responsible for product UAT testing and new code releases

  • Created automatic maintenance, application and system monitor scripts with email/paging alerts
  • Delivered critical code fixes using Korn, Perl, Bash, Expect, MySQL and Awk for production
  • Updated or replaced existing code as needed to provide greater functionality
  • Implemented new logging functionality to improve performance, reducing CPU load by 150
  • Created production installation and back out procedures, GO/NOGO authority for Production installs

UNIX ADMINISTRATOR

Migration of Merrill Lynch, and Bank of America Data Centers from New Your World Trade Center 3. The migration team moved over 1700 servers and associated storage, peripherals, racks and cabling.

  • Lead for all AIX pSeries moves. Leveraged MKSYSB and NIM for server operations prior to migration
  • Documented and tested systems before and after move activities, repairing as necessary
  • Created procedures for inventory and migration of pSeries IBM, Solaris, HP/UX and RedHat servers
  • Diagnosed networking, routing, hardware, VERITAS, Power Broker and Control-lSA issues
  • Build: Solaris, Linux, Windows and VMware, servers/clusters in DMZ networks using jump servers

UNIX ADMINISTRATOR

Designed custom function based Dash Shell script which was automatically ran on 10000 client servers during a call-home update system. Servers ran Ubuntu OS as medical information display kiosks.

  • Deployment via existing call-home system that all client servers used for updates and content
  • Automatic delivery of each system, providing detailed XML files upon installation to call-home server
  • Project handoff: trained staff in use of scripting system, provided documentation and PowerPoint
  • End Result: staff was able to modify the function based script scripting, and create .deb packages

SR. APPLICATIONS ENGINEER

Actively engaged with the Agile Development design team as operations consultant, assisting with hardware and application integration, high performance DNS provisioning, Linux Stateless boot systems.

  • Deployed RHEL DNS for testing SIP/XMPP/IMPS domains, SQL backend 5000 transactions/second
  • Deployed RHEL Virtualized systems using Qemu and KVM
  • Participated in deployment of RHEL stateless systems, remote image boot
  • Provided production consulting for the Agile development team as needed

SR. SYSTEM ADMINISTRATOR,

SME for team on RHEL, AIX, Solaris, hardware platforms for 12 Senior UNIX administrators while engaged with 20 projects covering new technology evaluation and integration tech refreshes application and database support. Responsible for daily operations of 700 production and disaster recovery systems running: AIX, Linux, Solaris, HP/UX and AS/400.

  • ion paths using p570 and P6 595 systems entailing 96 LPARs
  • Assigned to tech refresh the four product
  • Created the Certegy/FIS/FNIS first 'Boot off SAN' configuration standard for AIX LPARS
  • Developed Boot off SAN leveraging high speed fiber connections to increase performance and reliability
  • Boot images were replicated using HP-EVA SAN storage for LPAR and VIO LPAR systems
  • The GOLD image and standard LPAR strategy reduced downtime for O/S upgrades from hours to 30 minutes
  • Boot off SAN provided for better management due to identical configurations and upgrades
  • Accomplished full build of UAT environment using p570 AIX VIO systems functionally Identical to production
  • Created detailed HMC scripts for LPAR creation, configuration and imaging, 40 LPARs in 20 minutes
  • Performed system, kernel, disk and network tuning of AIX, Solaris, RHEL Linux, and DEC alpha platforms
  • Supported Manager by performing as many management responsibilities as possible for daily ops and new hire training
  • Created MediaWiki server and published procedures, how-to, step by step, and security requirement, guides
  • Conducted PCI and SAS 70 compliance audits for certification and security requirements
  • Configured Brocade switch fabric for eight HP EVA8000 SAN appliances, with hundreds of LUN presentations

UNIX ADMINISTRATOR

Re-engineered the 'drop box' used for transferring of international Cellular billing records to and from vendors for roaming usage. Successfully migrated all vendors from 150 KSH scripts to a single system of function based scripts allowing custom functions for individual vendors. These robust scripts are still in use.

  • Completed scripting with Korn shell, Connect:Direct, ProFTP and SCP scalability ability for any method with vendors
  • Created Apache webserver to publish transaction logs for customer service, providing access for troubleshooting
  • Singlehandedly ported Unix scripts to Windows NT, using NT Gnu Text Utilities, over 1000 lines of code in 8 hours
  • Designed and installed UAT test and productions systems with RHEL, clusters and/or Oracle

PREVIOUS EXPERIENCE WITH

WellCare, Bayview Financial, SAP America, Relational Technology Solutions, InterCall, Ascential Software, Inc. Informix , DigiScents, Inc., HotPaper, Inc., Quokka Sports, PC Professional, and Kaiser Permanente.

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