Senior Linux System Administrator

PKH Enterprises seeks a Senior Linux System Administrator whose primary responsibility will be to support the operation and maintenance activity on Hadoop clustered big data environments for the Department of Homeland Security Intelligence & Analysis branch.

Responsibilities:

  • Administer and maintain Centos/RHEL environment
  • Provide IT operations maintenance and support
  • Support software installation and upgrades as well as configuration and management of servers and virtual environments
  • Maintain Cloudera Hadoop environment
  • Utilize Puppet scripts for the configuration management of a big data environment
  • Implement O/S patches with Yum repos
  • Build and maintain VM servers hosted on KVM servers.
  • Perform security scans with Nessus and SCAP and resolve findings
  • Utilize LDAP to manage accounts
  • Utilize Nagios to monitor system performance

Minimum Qualifications:

  • 5+ years of direct support administering CentOS/RHEL environment
  • Experience with Puppet
  • Experience with PXE boot, DHCP, and Kickstart build processes
  • Experience with LDAP, Accumulo, Solr, zookeepers, and HDFS
  • Strong experience in UNIX shell scripting
  • TS/SCI clearance w/CI Poly

This position will be based out of Washington, DC.

Apply for this Position:

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PKH Enterprises, LLC is an Equal Opportunity Employer with a strong commitment to supporting and retaining a diverse and talented workforce.  PKH Enterprises, LLC offers competitive compensation and benefits as well as great long-term career opportunities.