Senior Systems Administrator/Engineer - Linux

Senior Systems Administrator/Engineer 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 DevOps 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. Key Responsibilities Review and analyse process and system specifications to ensure delivery requirements are met across hybrid Linux environments. Design, implement, customise, maintain and administer Linux operating systems in cloud instances and containerised environments. Architect and manage containerised 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, CloudWatch, IAM) and Azure (Virtual Machines, Container Instances, Monitor, Active Directory) following cloud‑native architecture principles. Recommend 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 optimisation across hybrid environments. Document test plans and execute Bash, Python or other scripting languages for automation and infrastructure‑as‑code implementations. Enforce Desired State Configuration using Ansible. Implement and update monitoring tools for Linux systems, containerised applications and cloud resources using industry‑leading platforms and AI‑enhanced observability solutions. Monitor operating system and cloud infrastructure performance to achieve optimum levels, utilising AI‑powered analytics to predict and prevent issues. Leverage AI tools to enhance personal and team productivity, including code generation, documentation creation, troubleshooting assistance, configuration management, log analysis and automated reporting. Implement AI‑driven automation for routine tasks, incident response and predictive maintenance to improve team efficiency and reduce manual effort. Recommend new monitoring approaches and tools, including AI/ML‑based anomaly detection and automated remediation solutions. Develop and present related documentation, presentations and discussions. Test and analyse infrastructure set‑up including Docker containers, Kubernetes clusters, AWS and Azure cloud services and hybrid networking configurations. Oversee implementation of security guidelines to prevent unauthorised access to Linux servers, container environments and cloud resources, and report violations following zero‑trust principles. Interface with other team members and teams to ensure technology solutions and staff are aligned with customer expectations and overall technology vision, including DevOps, 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 and deliver solutions that meet joint requirements in hybrid Linux, container and cloud environments. Lead or co‑lead internal process improvement initiatives focused on automation, containerisation and AI adoption. Mentor and supervise junior staff in project‑level tasks, Linux administration best practices, Docker containerisation, cloud operations and effective use of AI productivity tools. Assist with adherence to technology policies and comply with all security controls across Linux systems, container platforms and cloud environments. Participate in periodic Disaster Recovery, Business Continuity Planning and Sarbanes‑Oxley testing and reporting. Manage vendor relationships and related budgets for Linux enterprise support, cloud service providers, container platforms, monitoring tools and AI‑powered solutions. Qualifications Bachelor’s degree in Computer Science, Information Systems or related discipline with at least five (5) years of related experience or equivalent training. Past senior‑level systems administrator experience in a production data centre environment. Knowledge of industry‑leading monitoring and diagnostic tools. Knowledge of at least one operating system and at least one contemporary scripting language (Python, bash, etc.). Knowledge of communication and network technologies. Experience with metrics reporting, change management, incident management, problem management and communication. ITIL & ISO:9000 framework experience or certification preferred. Strong written and verbal technical communication skills. Demonstrated ability to develop effective working relationships that improve the quality of work products. Well organised, thorough and able to handle competing priorities and develop proficiency in new skills rapidly. Key Skills AWS or Azure Docker Linux scripting such as Python, Bash and Ansible AI development tools FINRA is an Equal Opportunity Employer. All qualified applicants receive consideration for employment without regard to any legally protected category. #J-18808-Ljbffr