• Linux Administrator

    Location US-Arlington, VA/Washington, DC
    Posted Date 1 week ago(7/8/2019 9:27 AM)
    Job ID
    # Positions
    Experience (Years)
    IT Operational Support
  • Overview

    The System Administrator candidate will provide support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. The selected candidate will manage IT system infrastructure and any processes related to these systems, provide support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc., and provide support for the dispatch system and hardware problems and remains involved in the resolution process. Configures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance. Provides specific detailed information for hardware and software selection, implementation techniques and tools for the most efficient solution to meet business needs, including present and future capacity requirements. Conducts testing of network design. Maintains technical expertise in all areas of network and computer hardware and software interconnection and interfacing, such as routers, multiplexers, firewalls, hubs, bridges, gateways, etc. Evaluates and reports on new communications technologies to enhance capabilities of the network. Supports and provides Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems. Provides support for the escalation and communication of status to agency management and internal customers.


    US Citizenship required

    Active Top Secret Clearance required

    Candidate must be willing to be processed for a TS/SCI clearance

    • Two (2) or more years of system administration experience required.
      [A Master’s degree in a related discipline may substitute for two (2) years of experience]

    • Bachelor’s degree in Computer Science, Computer Engineering, Computer Information Systems, Computer Systems Engineering or a related discipline is required.
      [Four (4) years of experience (for a total of six (6) or more years) may be substituted for a degree.]

    Required skills include:

    • Proficiency with configuration management using Ansible or Puppet
    • Skilled in Linux-related scripting (Bash, Perl, Python, etc.)
    • Experience with Apache web server configuration and management
    • Management, deployment and troubleshooting of Java and Tomcat applications
    • Experience analyzing and evaluating the security of new and existing IT systems and the procedures to protect information system assets from intentional or inadvertent modification, disclosure, or destruction.
    • Experience analyzing and evaluating the design and operating effectiveness of Information technology and security controls that are in place.
    • Knowledge and understanding of operating systems, networks and services.
    • Knowledge of Red Hat version 6 or 7(rhel6/rhel7) with the ability to engineer, install, administer and maintain.
    • Experience evaluating security solutions to ensure they meet security requirements for processing classified information.
    • Manage changes to system and assesses the security impact of those changes.
    • Experience and/or familiarity with the following network protection devices: Firewalls, intrusion detection and prevention systems (IDS/IPS), log analysis, malware analysis, network traffic flow and packet analysis
    • Comprehensive knowledge and understanding of best practices, trends related to information security
    • Strong research, analytical, and problem-solving skills
    • Good communication skills including preparing and presenting results, findings and alternatives and influencing management decision making based on the best available data

    Desired skills include:

    • Apache/TomCat/NGINX
    • Kerberos/LDAP
    • SSL • IDM/Free IPA
    • Docker
    • Open Nebula
    • Ambari
    • Whois
    • Sourcefire
    • Puppet
    • Satellite Server


    • Nagios Training/certification in any of the following strongly desired: • Red Hat Certified System Administrator (RHCSA) • Red Hat Certified Engineer (RHCE)
    • DoD 8570.1-M Compliance at IAT Level I required.


    An Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.


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