Senior System Administrator

3 weeks ago


Greenbelt, Maryland, United States GAMA-1 Technologies Full time

Provide support for Linux systems running on Red Hat enterprise Linux. Activities includes troubleshooting, patching, backing up / restoring of VM's, deploying new VM's and working with application teams on Middleware support. Lead team of Junior admins in resolving system issues
Task Description:
Linux Administrative activities include:

  • Maintaining a stable Linux environment
  • Patch servers monthly or on as needed basis for vulnerabilities
  • Use Ansible tower to manage and maintain the Linux environment
  • Write Ansible scripts to optimize SA work
  • Manage Puppet in providing compliance of the Linux environment
  • Manage and maintain Satellite server and its repositories and the devices that pull down the repos
  • Manage Red Hat Identity Management servers
  • Manage Certificate and PKI infrastructure
  • Proficient in VMWare Esxi infrastructure and knowledge on deploying VM's
  • Must be able to work independently to provide input and recommendations into the design phase and successfully execute requirements.
  • Must excel at troubleshooting complex problems to resolution.
  • Must be able to configure and install virtual desktop infrastructure and Enterprise backup solutions.
  • Must be able to tune system utilizations for memory, processes, and network performance.
  • Must be able to train and mentor Junior Level SAs


Required skills/Level of Experience :

    • 8 – 12 years of experience with planning, designing,and installing virtual hardware/software/storage within an Enterprise data center
    • Must have Red Hat Certified System administrator – RHCSA
  • Should have expert level knowledge on Ansible and managing of Linux environment
  • Red Hat Identity Management
  • Red Hat PKI infrastructure Management
  • VMWare ESXi

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