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Linux System Administrator

Req #: 202625
Location: Sterling, VA US
Job Category: Information Technology
Security Clearance: TS/SCI with Polygraph
Clearance Status: Must Be Current

Job Description


5+years of System Administration and/or system maintenance.

Required Skills:

  • Experience with network and server hardware procurement and detailed record keeping supporting mission networks.
  • Experience with infrastructure troubleshooting, to include direct interaction with vendors and service providers.
  • Experience patching and updating Linux server operating systems and configuring Linux server network integration.
  • Experience in the design, implementation, procurement, tradecraft, or maintenance of various layers of network infrastructure.
  • In-depth understanding of Linux operating systems (e.g. Centos, Ubuntu, Fedora, Scientific Linux, Debian, etc.).
  • Ability to research the latest technological developments in relevant operating systems to identify impact and anticipate changes in the organization’s operating environment.
  • Ability to work collaboratively in a team.
  • Desire to enhance your abilities.
  • An active TS/SCI with Poly clearance.
  • Typically has a University Degree (BA/BS) or equivalent experience and minimum 5 years of related work experience.
  • Experience buying, configuring, and maintaining Linux servers.

These Qualifications Would be Nice to Have:

  • Experience with Configuration Management tools, such as Puppet, Chef, and Ansible.
  • Experience with Continuous Integration/Deployment Tools, such as Jenkins.
  • Experience with scripting tools, such as PHP, Python, Perl or Ruby.
  • Experience monitoring network activity and network traffic redirection. Familiarity with proxy implementations (e.g. iptables, mod_proxy, digital certificates etc.).
  • Administration of VMWare.
  • Administration of Systems Supporting Oracle Databases.
  • Working knowledge of Amazon Web Services.
  • Experience with ICD 503-compliant systems.
  • Experience or knowledge of Host Based Security System (HBSS).
  • Experience or knowledge of hyperconverged infrastructure solutions such as Nutanix.
  • Experience with container solutions such as Docker, Kubernetes, Mesos, or AWS Elastic Container Services along with orchestration technologies such as Swarm, etc.
  • Experience with distributed storage technologies geared towards container solutions such as GlusterFS or Ceph.

Desired Certifications:

  • Security+
  • AWS Certified DevOps

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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