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Senior Unix/linux Systems Administrator Resume

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Dallas, TX

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PROFESSIONAL EXPERIENCE:

Senior Unix/Linux Systems Administrator

Confidential (Dallas, TX)

Responsibilities:

  • system monitoring and performance tuning, capacity planning, fulfilling user requests, as well as the identification, isolation, and resolution of any issues coordinating with local and international teams, and assisting application teams with application administration activities, including installation, configuration, upgrades, and troubleshooting proposing, developing, and implementing processes, policies, and procedures for maintaining IT infrastructure, including reliability, scalability, and security, as well as researching, evaluating, and recommending solutions to improve it establishing standards to be used across global data center environments, developing and maintaining global process documentation, and maintaining up - to-date and accurate documentation on all system configurations in company repositories virtualization planning and implementation using VMWare and Solaris Zone Containers, as well as other consolidation, migration, and software and hardware upgrade efforts developing, deploying, and maintaining administrative and process automation tools, including shell (bash/ksh) and Perl scripting

Unix Systems Administrator III

Confidential (Dallas, TX)

Responsibilities:

  • IT infrastructure monitoring system performance and tuning problem troubleshooting shell and Perl scripting systems architecture and capacity planning design and deployment of system hardware and software solutions allocating and monitoring utilization of resources, including SAN storage system building, patching and updating

Software Engineer

Confidential (Dallas, TX)

Responsibilities:

  • Provided Level 2 technical support for Confidential AIX SupportLine, including AIX, PSSP, Kerberos v4/v5, R/VSDs, GPFS and p690 servers. Provided Level 1 support for HACMP, DCE/DFS and LoadLeveler. Guided customers through troubleshooting procedures, reviewing testcases as needed. Assisted customers with planning, installations/upgrades, performance tuning, and network configuration. Coordinated with other teams to resolve issues. Worked with Confidential development and third-party vendors to track down and resolve defects. Provided accurate solutions to customers in a timely manner and followed up with customers when appropriate. Consistently maintained 100% customer satisfaction.
  • Functioned as senior specialist for GPFS/RVSD. Developed and taught GPFS/RVSD and TCP/IP Fundamentals courses to the team. Developed documentation for team and customer use, and assisted team librarian. Assisted webmaster with team Intranet site. Worked with other center employees to create a presentation for the Help Desk Institute. Wrote article on the RS/6000 SP2 for the Confidential AIX customer newsletter.
  • Installed, configured and administered Sun SPARC servers, several SP complexes, and a p/690 server for lab use, including Confidential SSA arrays. Worked with team lead to assess lab requirements and select appropriate equipment. Followed processes for call documentation, handling and escalation. Maintained business financial and security controls and ISO9000 compliance. Submitted leads to sales and marketing when appropriate.

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