Senior Systems Administrator​/Engineer - Linux

The Senior Systems Administrator/Engineer works under minimal supervision to design, implement, and maintain enterprise Linux infrastructure across on-premises data centers and cloud environments. This role combines traditional systems administration with modern Dev Ops practices, leveraging containerization technologies, multi-cloud platforms (AWS/Azure), and AI-powered tools to ensure FINRA Infrastructure meets defined quality standards while driving operational excellence and innovation.

Essential Job Functions:

Review and analyze process and system specifications to ensure delivery requirements are met across hybrid Linux environments.

Designs, implements, customizes, maintains and administers Linux operating systems in cloud instances and containerized environments.

Architect and manage containerized infrastructure using Docker and container orchestration platforms, including image management, registry operations, and container security best practices.

Design and implement cloud infrastructure solutions on AWS (EC2, ECS, Lambda, Cloud Watch, IAM) and Azure (Virtual Machines, Container Instances, Monitor, Active Directory) following cloud-native architecture principles.

Recommends enhancements and updates to Linux operating systems, system software products, Docker containers, and cloud infrastructure components.

Ensure the Company's Reliability, Availability and Serviceability (RAS) metrics are sustained and improved through proactive monitoring, automation, and continuous optimization across hybrid environments.

Document test plans as well as create/revise and execute Bash, Python, or other scripting languages for automation and infrastructure-as-code implementations.

Enforce the DSC (Desired State Configuration) using Ansible.

Implements and updates monitoring tools for Linux systems, containerized applications, and cloud resources using industry-leading platforms and AI-enhanced observability solutions.

Monitors operating system and cloud infrastructure performance to achieve optimum performance levels, utilizing AI-powered analytics to predict and prevent issues.

Leverages AI tools to enhance personal and team productivity, including using AI assistants for code generation, documentation creation, troubleshooting assistance, configuration management, log analysis, and automated reporting.

Implements AI-driven automation for routine tasks, incident response, and predictive maintenance to improve team efficiency and reduce manual effort.

Recommends new monitoring approaches and tools, including AI/ML-based anomaly detection and automated remediation solutions. Develop and present related documentation, presentations, and discussion.

Test and analyze infrastructure setup including Docker containers, Kubernetes clusters, AWS and Azure cloud services, and hybrid networking configurations.

Oversee implementation of security guidelines to prevent unauthorized access to Linux servers, container environments, and cloud resources, and report any violations following zero-trust principles.

Interface with other team members and other teams to ensure technology solutions and staff are aligned with customer expectations and overall technology vision, including Dev Ops, Security, and Application Development teams.

Document and communicate status in a timely manner including metric reporting through AI-assisted documentation tools and automated dashboards.

Champion the collaborative resolution of defects. Work across organization to deliver solutions that meet joint requirements in hybrid Linux, container, and cloud environments.

Lead/Co-lead internal process improvement initiatives focused on automation, containerization, and AI adoption. Provide feedback on processes by offering suggestions.

Evaluates industry trends, standards and new technologies including emerging AI/ML tools, container technologies, cloud services, and Linux ecosystem innovations to recommend change.

Mentor and supervise junior staff in project-level tasks, Linux administration best practices, Docker containerization, cloud operations, and effective use of AI productivity tools.

Assist with adherence to technology policies and comply with all…