System Administrator (Linux)

JOB DESCRIPTION

The Systems Administrator position will apply expertise in the installation, configuration, operations, and maintenance of both Windows- and Linux-based architectures. The systems administrator will focus on improving the stability and performance of the platform, maintaining and improving the security posture of the domain, continuous monitoring of system health, and troubleshooting issues that arise. This individual is accountable for Windows, Linux, and application systems that support the infrastructure. Responsibilities on these systems include SA engineering, operations and maintenance, and research and development to ensure continual operation. The individual must be proficient in building, documenting, and providing tier 3 engineering support.

The position requires deep technical knowledge of systems, networks, and application security as well as a solid understanding of enterprise-level security frameworks, policies, processes, and standards. The candidate must have strong analytical skills for troubleshooting complex issues, attention to detail, and the ability to multitask in a fast-paced environment. Key duties include maintaining operating systems, application support, integration, design, and assistance with additional duties as needed to support the team.

KEY RESPONSIBILITIES

• Provide daily operational support for Linux and Microsoft Windows operating systems and applications
• Support virtual and physical infrastructure of servers running CentOS in a dev, test, and production configuration, and support an infrastructure of different applications comprising of end user applications, developer tools and infrastructure support applications.
• Develop and maintain environments running in Amazon Web Services (AWS).
• Maintain the integrity and security of systems by monitoring security feeds and dashboards in support of Continuous Monitoring activities
• Develop and maintain standards and procedures for applications across a complex computing infrastructure
• Develop and maintain comprehensive documentation
• 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
• Maintain current knowledge of relevant technologies
• Research and recommend hardware and software, coordinate installation, and provide backup recovery
• Interact with users and evaluate vendor products
• Review incidents to understand the root causes and ensure implementation of proper fixes
• Collaborate with system administrators, engineers, and the client to ensure proper integration of applications
• Works with tech team to complete required maintenance and patching, DTOs, File Transfers
• Provides security reports (e.g. Log files, Scans, etc.)
• Coordinates waivers and approvals

EDUCATION AND EXPERIENCE

Bachelor's Degree in Computer Science, Information Technology, or other related technical discipline, or the equivalent combination of education, technical certifications, training, and work experience.

REQUIRED QUALIFICATIONS

DESIRED SKILLS