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Senior Hadoop Admin Resume

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ChicagO

SUMMARY:

  • Lead Hadoop Admin with Systems and Support experience within large & small scale Hadoop environments.
  • Extensive Hadoop security skills within the health care industry.
  • Strong skills in testing Hadoop core components.

TECHNICAL SKILLS:

Linux Systems: CentOS/RHEL 5.9 to 7 & Ubuntu 16.04, OS Installation and Configuration via Cobbler & Puppet, Nagios Installation, Configuration & Modules, Cluster Admin pssh, Cluster Shell, Python & Salt Stack

Hadoop:   Hadoop 1.0 to YARN framework, Cloudera & Hortonworks Hadoop (Ambari Admin), Hadoop Mapping & Reducing Benchmarks and Synthetic Workloads, Pig Hive Hbase Sqoop Tez Flume Storm

Spark:   M/R, SQL, Streaming, Machine Learning & Graphx Contexts, Hue Accumulo Knox Ranger Centrify Kerberos

PROFESSIONAL EXPERIENCE:

Confidential, Chicago

Senior Hadoop Admin

Responsibilities:

  • Lead Architect of a 120 Production Node and 40 Node Development Cluster
  • Worked closely with Security, OS Systems and Networking to resolve cluster issues.
  • Debugged developer code and re - coded with cluster optimizing parameters.
  • From conversations, cluster ROI—from health-care information—in high 6 or low 7 figures.

Confidential

Lead Hadoop Admin

Responsibilities:
  • Worked closely with SAS Solutions Architect and brought him up to speed with basic Hadoop.
  • Responsible for Hadoop regression tests of 5 Hortonworks Clusters.
  • Provided infrastructure advice to optimize resources—saving over $60,000 in hardware costs.
  • Encrypted, Centrified (Kerberized) and Rangerized Hadoop Clusters for Confidential .
  • Mitigated future hard drive space issues by intensive synthetic workloads—shakedown cruise.
  • Troubleshooted job failures using log analysis and experience. Followed Change Management rules.

Confidential, Chicago, Illinois

Consultant

Responsibilities:
  • Small business web site modifications.
  • Attended AITP regional meetings.
  • Self-study through Coursera—Data Scientist Track.

Confidential, Hoffman Estates, Illinois

Hadoop Administrator

Responsibilities:
  • Responsible for a 600+ Production Hadoop environment w/ 100+ jobs/hour average.
  • Suggested, and later implemented, a suite of production regression tests that validated peripheral Hadoop components--Hbase, Hive, Oozie, Sqoop, Pig, etc; BASH scripts were coded and optimized for Samsung mobile devices--easing administration during off hours.
  • Authored an hour-by-hour document that included every command and procedure, with execution times, during a Production Upgrade of 616 Worker Nodes to CentOS 6.4 and CDH 4.3.
  • Designed an online, internal web-based RunBook for the Production Hadoop Master and Worker Nodes that included hardware information, production changes and software versions.
  • As Primary Support Administrator, analyzed system resources and poorly coded jobs; cleared HDFS space and provided technical support.
  • Assisted by the Network Administrator, installed and benchmarked a Mellanox Infiniband switch, network cards and software for CentOS 6.4.

Confidential, Research Triangle Park, North Carolina

Test Engineer

Responsibilities:
  • Responsible for writing defect reports for failed server tests.Discovered software errors that were constant or intermittent.
  • Ensured functional tests were consistent across Enterprise OS platforms—Linux & Windows.
  • Wrote Linux BASH scripts to expedite testing.
  • Experienced using BIT (BMC IPMI Tester), SM Bridge and ASU testing.
  • Testing environment included the following Confidential servers: Kong (x3750) & Ghidorah (x3850).

Confidential

SAT Instructor/ Computer Science and Business Instructor

Responsibilities:
  • Designed a course Introduction to Linux for Chinese high school students.
  • Provided instruction, homework assignments and grading for Introduction to Linux.
  • Created lessons and handouts; graded assignments.
  • Qingdao Linux User Group President/Founder. Responsible for managing the group's direction, building a website and increasing membership involvement.

Confidential, West Chicago, IL

Freelance Web Designer/Network Administrator

Responsibilities:
  • Custom web design and routine HTML coding updates.
  • Provided technical support to small business owners and staff.
  • Designed, optimized & promoted web sites from the ground up.
  • Worked exclusively in a LAMP server environment; used BASH, Perl, php and XML.

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