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Sr Systems Administrator (TS/SCI) Herndon, VA

Req #: 202100
Location: Herndon, VA US
Job Category: Information Technology
Security Clearance: TS/SCI
Clearance Status: Must Be Current

Job Description

CACI is seeking a Sr. System Administrator to provide cutting edge services and sustainment support for the Defense Threat Reduction Agency. As a Sr. Systems Administrator, you will be responsible for the administration, operations, and maintenance of systems supporting advanced research and development of analytics and software tools.


  • Optimizing system operation and resource utilization, and performing system capacity analysis and planning.
  • Perform system installs
  • Provide support and maintenance for servers or systems utilized by a team of software developers, data scientists, and analysts.
  • Responsible for creating contingency plans and responding to service outages
  • Troubleshoot, resolve software problems, and work in a multi-contractor team environment.
  • Create and test various scenarios for optimized cloud performance
  • Identify, assess, and recommend appropriate solutions to advise customer on system 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.


  • 4 years hands-on Linux/UNIX systems administration in an enterprise environment
  • 2+ years administering Hadoop, HBase, Storm, Solr clusters.
  • 2+ years VMWare experience
  • Experience configuring and troubleshooting various components in a virtual and real environment
  • Experienced with scripting languages (bash, csh, Python, Perl).
  • Experienced with Puppet Configuration Management Software.
  • Experienced in performing and managing backups.
  • Installing and configuring software, patches, and upgrades
  • Troubleshooting complex issues, working with developers and other team members
  • Overall understanding of network topologies, network concepts, virtualization, and hardware
  • Security+


Bachelor's degree in Information Technology or similar technical discipline


  • Experience in Agile and Scrum
  • Experience working in a dynamic research environment
  • Capability to configure and troubleshoot network equipment, and identify and resolve hardware/software/network malfunctions
  • Experience in Development & Operations (DevOps) environment.
  • Experience with JIRA, Java, Jenkins, GitHub
  • Cloudera Hadoop Administration

What We Can Offer You:

- We’ve been named a Best Place to Work by the Washington Post.

- Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives.

- We offer competitive benefits and learning and development opportunities.

- We are mission-oriented and ever vigilant in aligning our solutions with the nation’s highest priorities.

- For over 55 years, the principles of CACI’s unique, character-based culture have been the driving force behind our success.


Job Location



CACI employs a diverse range of talent to create an environment that fuels innovation and fosters continuous improvement and success. At CACI, you will have the opportunity to make an immediate impact by providing information solutions and services in support of national security missions and government transformation for Intelligence, Defense, and Federal Civilian customers. CACI is proud to provide dynamic careers for employees worldwide. CACI is an Equal Opportunity Employer - Females/Minorities/Protected Veterans/Individuals with Disabilities.

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