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Sr. Linux Administrator

Job Locations US-AL-Huntsville
ID
2021-2343
Business Unit
CSE
Type
Full-Time
Clearance
Secret Clearance Preferred

Overview

i3 is seeking a Senior 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:

  • Configure, build, install, and administer Linux operating systems in accordance with approved baselines, best practices, and DISA STIGs 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.
  • 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 STIGs 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)
  • Possess strong script troubleshooting and generation for applying STIG requirements.
  • Assist in maintaining system documentation such as SOPs and policies.
  • Understanding of information Assurance (IA) systems and practices, such as DISA STIGs, RMF, and system hardening.
  • Provide direct customer service and technical support to local and remote users as required via phone, e-mail, on-line systems and in person.
  • Interacts with users and evaluates vendor products.
  • 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.
  • Maintain repository mirrors for Linux OS updates for CentOS and Ubuntu.
  • Build DevOps environment running Ansible CFG management and GitLab.

Qualifications

  • BS and 5-10 years of relevant experience required.
  • DoD 8570.01-M compliant.
  • Ability to obtain and maintain a SECRET clearance.
  • Ability to work with little or no direct supervision and in a team environment.
  • Must have Excellent Customer Service Skills.

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i3 is an AAP/EEO/VEVRRA equal opportunity employer and does not discriminate against otherwise qualified applicants on the basis of race, color, religion, genetics, age, sex, sexual orientation, gender, gender identity, marital status, national origin, disability, veteran status, or any other characteristic protected by law.

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You can request reasonable accommodations by calling (256) 513-5179 or by sending an email to hr@i3-corps.com. Thanks for your interest in i3. i3 is a drug-free workplace. The unlawful manufacture, distribution, dispensing, possession, or use of a controlled substance is prohibited. All candidates who receive conditional offers of employment are subject to drug testing.