Junior Linux Administrator

Job Locations US-AL-Huntsville
ID
2021-2426
Business Unit
ITCE
Type
Full-Time
Clearance
Secret Clearance Preferred

Overview

i3 is seeking a Junior Linux Administrator to support an Army Contract. The Linux Admin will provide technical expertise supporting RHEL/CentOS Information Systems in an enterprise environment for a large (8000+) user community.  The Linux Admin must have experience interpreting and applying the DISA STIG’s. The Linux Administrator must have a customer centric approach and provide all level of support for the technical and cyber team as well as the user base community.

Responsibilities

A successful candidate will:

  • Experience in multiple Linux environments and capable of assisting in modernization and automation of the existing infrastructure for managing and deploying Linux machines and VM’s.
  • Automate Linux builds, configuration, managing and deploying VM’s in a virtual environment.
  • Responsible for loading and supporting required system software including respective office software, additional products in the Microsoft and Linux suite of software, test applications and GOTS software.
  • Support, troubleshoot and resolve software/hardware conflicts/problems on RedHat Enterprise Linux, CentOS, and Ubuntu workstations in a virtual environment.
  • Understanding of information Assurance (IA) systems and practices, such as DISA STIGs, RMF, and system hardening.
  • Analyze and implement security posture of Linux environment based on DISA STIGs and SCAP data, NIST guidance, vendor Security Review Guides (SRGs) and best practices.
  • Provide updated STIG checklist to the Cybersecurity Team to maintain RMF compliance in support of approved ATO.
  • Experience with Linux authentication using Centrify with Active Directory and two factor authentication utilizing CAC. (Experience with local, LDAP, Samba w/AD a plus).
  • Maintain system documentation such as SOPs and policies.
  • Provide direct customer service and technical support to local and remote users as required via phone, e-mail, on-line systems and in person.
  • Maintains current knowledge of relevant technologies as assigned.
  • Experience writing and developing playbooks using Ansible (Experience with Puppet is a plus).
  • Troubleshoot NFS and SAMBA shares.
  • Install Linux with LVM and encryption.
  • Maintain repository mirrors for Linux OS updates for CentOS and Ubuntu.
  • Build DevOps environment running Ansible CFG management and GitLab.

Skills & Competencies:

  • Linux (Redhat, CentoOS, Ubuntu).
  • Red Had Enterprise Linux (RHEL) and RHEL alternative OS mgnt/config.
  • Configuration Management; Ansible (Experience with Puppet a plus).
  • Linux authentication: Centrify w/AD and 2FA CAC (Experience with local, LDAP, Samba w/AD a plus).
  • Bash Scripting.

Qualifications

  • BS and 2-5 years of relevant experience required.
  • DoD 8570.01-M compliant.
  • Ability to work with little or no direct supervision and in a team environment.
  • Must have Excellent Customer Service Skills.
  • Ability to attain and maintain a SECRET clearance.

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