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Principal Hadoop Subject Matter Expert in Memphis at General Dynamics Information Technology

Date Posted: 3/11/2019

Job Snapshot

Job Description

The IT Subject Matter Expert (ITSME) is a subject matter expert with extensive experience using Hadoop (preferably MapR Hadoop) and its surrounding software tool sets to provide an overall architecture to support our customer’s requirements. The ITSME will lead the Hadoop team and provide overall guidance.

Specific responsibilities include:

  • Proven expertise in designing and architecting Hadoop projects.
  • Utilize logical problem solving to find creative solutions to problems in the environment on a broad scale
  • Plan and lead the execution of Hadoop upgrades and O&M activities
  • Plan and design the Hadoop environment as requested to ensure compliance of customer policies for servers and end-point devices
  • Troubleshoot and resolve Hadoop environmental issues and lead the remediation activities
  • Work with stakeholders and other technical teams to collect business and technical requirements and design / deliver enterprise level solutions
  • Lead the creation and maintenance of technical documentation and operating procedures as needed
  • Maintain standards for installation of infrastructure software / hardware installations
  • Serve as a technical expert for Tier 1/2/3 support groups
  • Collaborate and communicates with architects with internal departments and vendor partners
  • Own and lead discussions in business and technical information technology solution implementations, upgrades, enhancement and conversions. Recommends solutions as appropriate
  • Support IT goals and objectives including measures and projects
  • Provide problem solving leadership based on experience with the technology
  • Act as a member of the customer’s Hadoop team in providing timely and efficient support to assigned operations and coordinate day-to-day operations
  • Review access rights and privileges and oversee changes as appropriate
  • Collaborate in assessing current and expected Hadoop infrastructure needs, configuration, maintenance, optimization and documentation of the Hadoop environment
  • Follow and apply configuration and security standards and policies within a defined Change Management process. 
  • Assist with implementing solutions for hardware and software. Implement common preventive maintenance practices for hardware and software.
  • Ensure that system improvements and changes are implemented correctly and completely, and monitor all effects of the modifications.
  • Establish/recommend policies on system use and services.
  • Perform common administrative tasks.
  • Must possess proven experience working with a large enterprise Hadoop environment to include:
  • Hbase
  • Spark
  • Scala
  • ElasticSearch
  • Hive
  • Pig
  • Drill
  • JSON
  • Java

Job Requirements


8-10 years of directly related experience supporting Active Directory operations and engineering with increasing responsibility.

For more than 50 years, General Dynamics Information Technology has served as a trusted provider of information technology, systems engineering, training and professional services to customers across federal, state, and local governments, and in the commercial sector. Over 40,000 GDIT professionals deliver enterprise solutions, manage mission-critical IT programs and provide mission support services worldwide. GDIT is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.