Sr. Hadoop Administrator in Woodlawn, MD at APEX Systems

Date Posted: 9/15/2018

Job Snapshot

Job Description

Job #:  874029

Apex Systems has an immediate opportunity for a Sr. Systems Administrator.  This is a long-term contract engagement for a large government integrator, and compensation ranges depending on experience.  If you are interested or would like more information, please contact Emily Stewart at 


Responsibilities of the Sr. Systems Administrator:

  • Design and implement data storage, schema and partition system as appropriate to Hadoop.
  • Identify, assess, and recommend appropriate solutions to advice customer on cluster requirements and any limitations by applying industry best-practices and expertise regarding emerging technologies, risk mitigation, and continuity planning to address back-up and recovery.
  • Provide enterprise-level information technology recommendations and solutions in support of customer requirements.
  • Securely integrating Kerberos accounts with Active Directory
  • Utilizing Identity Management in integrated manner with Active Directory
  • Configuring Cloudera Navigator to perform audit operations
  • Configuring Apache Sentry to work in Cloudera environment to perform authorization operations
    Configuring encryption on Hadoop data at rest and data in transit
  • Use customer defined data sources and prototype processes to satisfy proof of concept.
  • Develop design patterns for specific data processing jobs.
  • Test various scenarios for optimized cluster performance and reporting.
  • Prepare and deliver presentations to communicate deployment process for the proof of concept.
  • Serve as a point of contact between internal and external customers and program management.


Required Skills of the Sr. Systems Administrator:

  • 5+ years Linux or Unix System Administrator experience
  • 3+ years Hadoop administration experience in the area of setup, configuration, or management
  • 11+ years in Networking
  • Kerberos and Active Directory
  • Identity Manager
  • Cloudera Navigator
  • Apache Sentry
  • Data Encryption 


Desired Skills of the Sr. Systems Administrator:

  • Hadoop experience with the setup, configuration, or management of a multi-node (50 to 100) Hadoop cluster, specifically working with Cloudera's Hadoop distribution.
  • Experience with Hadoop technologies like Pig, Hive and Hbase.
  • Experience with Securing Hadoop Clusters.
  • Certified Linux System Administrator (e.g. Red Hat Linux).
  • Experience with monitoring concepts and tools in a multi-platform data center environment.
  • Experience with systems monitoring tools (Nagios), in helping tune, configure, and administer cluster components parameters like CPU, I/O load, memory usage and network topology/bandwidth for identified workloads.
  • Experience with performance tuning of applications in a distributed cluster environment.
  • Strong verbal and written communication skills are critical. Candidate must be able to effectively interact with all levels of customer staff, and be able to flourish in a government contract setting.
  • Ability to clearly present information, verbally and in writing, to audiences of diverse technical backgrounds.


Education Requirements:

  • Bachelor’s degree in a technical field required, Linux certifications are preferred









EEO Employer

Apex is an Equal Employment Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at 844-463-6178