Linux System Administrator

  • SAIC, Inc
  • Huntsville, AL, USA
  • Oct 12, 2021

Job Description


SAIC is seeking a System Administrator to join our team in Huntsville, Alabama. 

Duties and Responsibilities:

  • Candidate will support Linux System Administration (SA) and Cybersecurity duties for a government Hardware-in-the-Loop (HWIL) lab operating tactical HW in a Test and Analysis environment. 
  • Activities include lab infrastructure layout and design, installation of cables/equipment, network integration, operating system installation and necessary management and maintenance to sustain a classified Authority to Operate (ATO) for the lab facility.  
  • The selected candidate will primarily support the system administration of the lab’s Linux operating system environments (mostly CentOS), however the candidate may also support other operating system environments as well. 
  • The candidate will also support the Risk Management Framework (RMF) processes of Linux operating systems including periodic vulnerability scans, ensuring the Information Assurance Vulnerability Alerts (IAVAs) and Security Technical Implementation Guides (STIGs) are applied periodically to maintain required cybersecurity posture and necessary documentation. 
  • The selected candidate will also support the lab’s services such as the domain controllers, group policy, active directory and account management for Linux systems.
  • The selected candidate must possess a consistent self-starting attitude with the desire to learn and grow in their field. 


Required Education:

Bachelors and five (5) years or more experience; Masters and three (3) years or more expereince; PhD and zero (0) years related experience


  • CompTIA Security+ certification required and must be maintained.
  • Linux+ certification required and must be maintained.

Required Skills:

  • Red Hat/CentOS Strong working knowledge of Linux operating systems. 
  • Current STIG, .CLK and IA processing knowledge required
  • Knowledge of the interworking’s for Linux Authentication against a Windows domain controller.
  • Configuration and automation tools such as Ansible, Chef, and/or Puppet
  • Bash scripting, 2 Factor Authentication, and shared networks environment knowledge
  • Automated OS installation
  • Knowledge of the use and management of NetApp storage arrays
  • Local YUM repo setup
  • Experience with the Risk Management Framework (RMF) or prior DoD Information Assurance Certification and Accreditation Process (DIACAP) processes.
  • Proficiency with Microsoft Word, Excel, PowerPoint and Visio.

Desired Skills:

  • Prior tactical SA experience in HWIL lab environment.
  • Prior working experience with the IAMD Battle Command System (IBCS).
  • Experience with Windows and Virtual Machine (VM) environments.
  • Experience with networking and configuring network devices such as switches, routers and firewalls a plus.

COVID Policy: Prospective and/or new employees will be required to adhere with SAIC's vaccination policy. All SAIC employees must be fully vaccinated and they must submit proof of vaccination on their first day of employment. Prospective or new employees may seek an exemption to the vaccination requirement at Contact Us and must have an approved exemption prior to the start of their employment. Customer site vaccination requirements, if more strict, will take precedence over SAIC's vaccination policy.