Senior Hadoop Admin Resume
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.