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DHS Sr. Unix System Administrator
Ref No.: 18-01997
Location: Little Rock, Arkansas
Start Date / End Date: 03/26/2018 to 06/30/2018
Short Description:
Responsible for the setup and ongoing administration of software. Includes defect analysis, resolution, upgrades and patching.

Complete Description:

Relocation to the Little Rock, AR area is a requirement for this position.
Local candidates preferred, but not required.
The client is in process of requesting an extension.

• Demonstrable proficiency in advanced scripting technologies is a must for this position.
• Demonstrable proficiency in the systems administration of Linux servers (preferably RHEL).
• This position will be required to provide 24x7 after hours support on a rotating basis.
• Minimal supervision required.

• Develop advanced automation scripts utilizing scripting languages such as Bash, Perl, Python, and possibly others for process automation and subsequent scheduling.
• Manage the systems and application security infrastructure of the project which includes tasks such as generating, renewing, and installing SSL certificates in various systems, applications, and Java keystores.
• Create automation scripts to automate file transfers using file transfer technologies such as SFTP, HTTPS and other methods.
• Systems administration of RHEL servers.
• RHEL server performance tuning.
• Analyze processes and determine if efficiency gains can be actualized through process automation.
• Understands and adheres to proper change control procedures.
• Maintains technical documentation to reflect changes to the environment.
• Develop advanced automation scripts to accomplish day to day tasks and processes.
• Analyze system and application logs identifying potential issues.
• Adding, removing, or updating user account information, resetting passwords, etc.
• Answering technical queries and assisting users.
• Ensuring that the system and application infrastructure is up and running.
• Systems monitoring and implementation thereof.
• Installing, configuring, and maintaining email systems based on Postfix.
• Provide 24x7 after hours support on a rotating basis.
• Perform other work related duties as assigned.

Required / Desired Skills
Skill Required / Desired Amount of Experience
Advanced scripting languages such as Bash (required), Perl (required), Python (preferred). Required 8 Years
Linux / Unix System Administration Required 8 Years
Management of security technologies related to the implementation of SSL and TLS encryption in a Linux/Unix and Java based environment Required 5 Years
Generating and installing SSL CSRs and certificates within various systems and applications such as IBM WebSphere and in Java keystores Required 5 Years
Postfix email system and its architecture Required 3 Years
LDAP and its administration and configuration Required 3 Years
TCP/IP networking Highly desired 2 Years
Perl, Python, C, C++, Java, Go, etc. Required 3 Years
Red Hat Enterprise Linux (RHEL) Experience Highly desired
Management tools such as Puppet, Chef, Ansible, etc Highly desired

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Question 2 Have you followed the E-RTR process found at