Linux Systems Administrator (TS/SCI with Poly Required)

$153,000 - $207,000/Yr

General Dynamics - Texas City, TX

Full-time - Senior

Remote - Texas City, TX

10,001+ employees

Transportation Equipment Manufacturing

About the position

As a Systems Administrator Expert at GDIT, you will play a crucial role in transforming technology into opportunity by ensuring the stability, security, and performance of both Windows and Linux-based systems. This position involves applying your expertise in system installation, configuration, operations, and maintenance, while also focusing on continuous monitoring and troubleshooting to enhance the infrastructure that supports critical applications. You will be responsible for engineering, operations, and maintenance of systems, contributing to the overall security posture and operational efficiency of the organization.

Responsibilities

• Provide daily operational support for Linux and Microsoft Windows operating systems and applications.
• Support virtual and physical infrastructure of servers running CentOS in various configurations.
• Develop and maintain environments running in Amazon Web Services (AWS).
• Maintain the integrity and security of systems by monitoring security feeds and dashboards.
• Develop and maintain standards and procedures for applications across a complex computing infrastructure.
• Monitor application and operating system performance; analyze, document and remediate incidents.
• Develop and oversee implementation of testing strategies and document the results.
• Leverage scripting and system automation tools.
• Research and recommend hardware and software, coordinate installation, and provide backup recovery.
• Collaborate with system administrators, engineers, and the client to ensure proper integration of applications.

Requirements

• 10+ years of related experience in systems administration.
• Bachelor's Degree in Computer Science, Information Technology, or related technical discipline.
• Extensive experience with Redhat and/or Centos.
• Demonstrated experience with VMWare ESXi infrastructure 6.x + vCenter server.
• Demonstrated experience in server builds using automated mechanisms.
• Demonstrated experience with Ansible and/or Puppet for configuration management.
• Demonstrated experience with building, upgrading and maintaining applications and services in an AWS account.
• Strong analytical skills for troubleshooting complex issues.

Nice-to-haves

• Certified Linux System Administrator
• Knowledge of network engineering fundamentals and network design.
• Demonstrated experience with Microsoft Windows Server versions 2008, 2016.
• Demonstrated experience with SCCM, WDS, MS SQL server, Powershell, batch scripting.
• Demonstrated experience with syslog applications such as Splunk.
• Demonstrated experience with NetApp NAS systems.
• Demonstrated experience with Hadoop infrastructure and applications.
• AWS Certification.
• ITIL Foundations Certification.
• Certifications relating to IT Security (CISSP, GIAC, Security+).

Benefits

• 401K with company match
• Comprehensive health and wellness packages
• Internal mobility team dedicated to helping you own your career
• Professional growth opportunities including paid education and certifications
• Paid vacation and holidays