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Overview

Job Purpose

The Senior Systems Administrator is responsible for maintaining the availability, security, and performance of Windows and Linux systems in both production and non-production environments. This role focuses on incident response, troubleshooting, and resolving system performance and availability issues. The Senior Systems Administrator also assists in implementing automation and infrastructure improvements to ensure a reliable, secure, and scalable environment.

This position requires effective collaboration with other teams to drive timely and efficient resolutions while ensuring exceptional support and service delivery.

Responsibilities

+ Administer and support Windows and Linux servers, ensuring optimal performance through proactive monitoring and issue resolution.

+ Participate in incidents related to service availability and performance, providing timely resolutions and conducting thorough root cause analysis.

+ Collaborate with cross-functional teams, including infrastructure, development, and operations, to drive swift service restoration and resolution during incidents.

+ Automate repetitive tasks and processes using scripting languages such as Bash, PowerShell, or Python.

+ Promptly respond to system alerts to maintain continuous system availability and prevent escalation to high-priority incidents.

+ Manage and maintain user access, permissions, and policies within Active Directory and other directory services.

+ Assist in implementing infrastructure improvements and new projects, ensuring alignment with organizational goals.

+ Document system configurations, processes, and troubleshooting guides to promote internal knowledge sharing.

+ Ensure all systems comply with IT policies and adhere to security standards.

Knowledge and Experience

+ Proficiency in managing and troubleshooting Linux (RedHat or similar) and Windows servers.

+ Understanding of system automation tools (e.g., Ansible, Puppet, Chef).

+ Understanding of Active Directory, group policies, and authentication mechanisms.

+ Knowledge of virtualization technologies.

+ Familiarity with networking concepts such as DNS, DHCP, firewalls, and VPNs.

+ Familiarity with scripting languages, such as PowerShell, Bash, or Python.

+ Experience with IT service management tools, preferably ServiceNow.

+ Strong problem-solving skills with the ability to perform effectively under pressure during incidents.

+ Excellent communication skills and a collaborative mindset to work effectively within a team environment.

Desirable Knowledge and Experience

+ Bachelor’s degree or equivalent in Computer Science, Information Technology, or a related field.

+ Industry certifications such as CompTIA Server+, Microsoft Windows Server accreditations or Red Hat Certified System Administrator (RHCSA).

+ Familiarity with CI/CD tools like Jenkins or GitLab CI/CD.

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Intercontinental Exchange, Inc. is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to legally protected characteristics.