Systems Administrator (LINUX) Lead - SHMART

$66,000 - $163,000/Yr

Raytheon Technologies - Pensacola, FL

Full-time - Mid Level

Pensacola, FL

Computer and Electronic Product Manufacturing

About the position

The Systems Administrator (Linux) Lead position at RTX involves supporting the design, development, and deployment of advanced cybersecurity capabilities for a U.S. Government customer. This role is crucial in managing Linux systems, ensuring optimal performance, and implementing DevOps practices to enhance the network operations environment. The position requires a strong background in Linux system administration and collaboration with software development teams to establish effective CI/CD pipelines.

Responsibilities

• Provides ongoing systems administration, technical support, upgrades, and troubleshooting services.
• Provide full coverage for Linux or Unix system administration functions to support the DevOps tool sets.
• Install, configure, support, and maintain middleware (e.g., JBoss, Apache, Tomcat, Nginx) to support the DevOps tool sets.
• Works closely with application and product teams in understanding their specific automation requirements and implement with them an optimal CICD pipeline.
• Write unit tests and integration tests to validate infrastructure code.
• Identify engineering defects in the existing code base and constantly improve the code quality.
• Maintain configuration and support documentation.
• Manage assigned project components to deliver services in accordance with established objectives.
• Develop, through programming and scripting, automation to further expand and refine the DevOps tool sets.
• Work closely with the software development teams in defining their DevOps CICD pipeline and processes and implement and configure the DevOps tools with them.
• Incorporate AWS native cloud services and features to enhance the performance and resilience of the DevOps tools and infrastructure.
• Contribute and collaborate to design, document, and publish DevOps and cloud standards, principles, guidelines and best practices.
• Seek opportunities to increase the business value of the DevOps tool chain through research and investigation, application team input, automation options, POCs, etc.

Requirements

• Must be a US Citizen
• Must have an active Secret clearance and be able to obtain a TS/SCI clearance
• Must be able to obtain DHS Suitability
• 6+ years of system administration in Linux, ideally Red Hat Enterprise Linux version 7 or 8 (RHEL7 / RHEL8) with the ability to engineer, install, administer and maintain complex system architectures
• Experience with Linux OS installation, security hardening, and maintenance
• Experience with administration and management of Linux servers to include installation, configuration, optimization, backup & recovery
• Experience with Linux performance tuning & troubleshooting, identifying and resolving contention in CPU, memory, networking, disk I/O, etc.
• Experience with products such as Red Hat Satellite Server, Puppet, Chef and/or Ansible

Nice-to-haves

• Experience with Infrastructure as Code (IaC) using Ansible or other comparable products
• Experience working in an agile development environment
• Experience with software development using Java, RESTful services
• Comfortable with multilevel security systems, SELinux, and/or Cross Domain Solutions
• Experience with data orchestration software such as Apache NiFi or StreamSets
• Experience with distributed compute environments such as Hadoop
• Experience with Amazon Web Services (AWS) platform capabilities, including good understanding of the AWS Well-Architected Framework, AWS certification
• Experience working in AWS via the CLI and management console.