Linux Administrator

Arlington, VA
Jul 22, 2021
Aug 22, 2021
Full Time
Linux Administrator

Location: Rosslyn, VA

Position Type: Full-Time

Job Summary:

Working as part of a team, administer and manage servers, end-user workstations in both unclassified and classified network environments. Also, will manage and support the Linux infrastructure, operating systems, virtual platforms, and applications.

Essential Functions:
  • Provide technical support to Netapps and servers running XFS, NFS, CIFS as well as the infrastructure’s backup systems.
  • Ensure the current security patches and bug fixes are current or implemented.
  • Supports disaster recovery planning, testing, and execution.
  • Automate installation methods and system imaging (i.e., Ansible).
  • Collaborate with engineers on the use of workstations and servers to resolve their identified access or connectivity issues.
  • Design, build, configure, and deploy systems and servers to work within an enterprise data infrastructure containing custom designed software and scripts.

Required and Preferred Experience:
  • Strong understanding of RedHat Enterprise Linux (RHEL) 6 required and RedHat 7 preferred
  • Editing and creating SELinux policy modules
  • Configure and maintain identity and authentication solution like IPA
  • Experience with automation solutions like Puppet or Ansible
  • Strong network security background with IP tables, static routing, TCP dump, TCP IP stack
  • Experience with Patch systems using Yum, Spacewalk and/or Satellite servers
  • Understanding of file and user permissions, and software installations
  • Strong skills in file manipulation using VI or VIM
  • Problem management and troubleshooting experience
  • Experience in one of the following languages required: Python, Bash, or Ruby preferred
  • Possesses Department of Defense experience, security guidelines and policies (DISA STIGS)
  • AWS experience desired
  • Familiarity with PKI and RSA also desired

Certification Requirements:
  • Possesses 8570 IAT Level II (i.e., CCNA Security, CySA+, GICSP, GSEC, Security+ CE) certification; or be able to obtain certification within 90 days of hire.
  • Amazon Cloud Practitioner certification preferred.

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