• Sr. System Administrator

    Arena Technical Resources, LLC (Reston, VA)


    Sr. System Administrator

     

    Job ID: ATR 17710

    Job Description

    Job Title: Sr. System Administrator

     

    Eligibility: TS/SCI with CI Polygraph

    Job Description:

    The job duties of the Sr. System Administrator are as follows:

     

    • Plans, designs, and implements infrastructure changes and system

     

    upgrades.

     

    • Manages and troubleshoots multiple VMware environments.

    • Provides Windows Server and Linux administration, maintenance, and

     

    troubleshooting.

     

    • Creates STIG compliant images for Windows Desktop, Windows Server, and

     

    Linux OS.

     

    • Creates, tests, and deploys software packages using software

     

    deployment products such as SCCM, PDQ, etc.

     

    • Provides expert level support and mentoring for Mid and Junior System

     

    Administrator personnel.

     

    • Develops and maintains installation and configuration procedures for

     

    system and software changes.

     

    • Utilizes scripting to automate common tasks.

    • Performs hardware maintenance/repair activities.

    • Ensures proper planning and execution of major projects/maintenance

     

    activities.

     

    • Provides advanced level administration and troubleshooting of Active

     

    Directory, GPO, DNS, DHCP, and Domain Controllers.

    Required Qualifications:

    • Ability to write scripts using PowerShell and/or Bash.

    • Experience managing VMware, Nutanix, and other types of enterprise

     

    level Virtual Infrastructures.

     

    • Proficient in managing and troubleshooting Active Directory and Group

     

    Policy Object (GPO).

     

    • At least 8 years of relevant experience.

    • Must presently be 8570 compliant (IAT Level 2 preferred); must be 8570

     

    compliant (IAT Level 2) by date of security indoctrination with any

     

    necessary continuing education (CE) for certification.

    Desired Qualifications

    • Linux OS (CentOS, RHEL) administration.

    • Satellite server administration.

    • Ansible playbook writing.

    • Implementing STIGs.

    • Experience supporting a software configuration management and

     

    development environment.

     

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