System Admin

The role of an Infrastructure Technology System Analyst within the High Frequency Trading environment is responsible for activities relating to the implementing maintenance and migration of platforms which are uniquely configured in support of the High Frequency Markets and Trading applications You will have the opportunity to work with our global internal and external partners to drive future improvements in the performance of our technology infrastructure platforms ensuring that we are increasing the reliability and optimizing its capacity The overall objective is to assist with infrastructure migrations to build a secure stable and efficient operating environment for our business to function and grow

Key Responsibilities

Provide sound understanding of technology infrastructure concepts and principles to provide support to supported platforms and sectors within technical domain

Apply basic understanding of how multiple areas collectively integrate within technology infrastructure to support the operations environment

Build configure and tune servers as per the application requirement

Review requirement documents define hardware requirements and update processes and procedures as necessary

Coordinate with various teams to resolve issues and deliver project on time

Provide Root Cause Analysis RCA post restoration of service

Design testing approaches complex processes reporting streams and assist with the automation of repetitive tasks

Ensure ongoing compliance with regulatory requirements

Willing to work after hours and weekends or be oncall if needed

Conduct project related research

Appropriately assess risk when business decisions are made demonstrating particular consideration for the firms reputation and safeguarding Citigroup its clients and assets by driving compliance with applicable laws rules and regulations adhering to Policy applying sound ethical judgment regarding personal behavior conduct and business practices and escalating managing and reporting control issues with transparency

Handle issues and escalations as well as resolve production problems reporting to management on status and technical matters

Plan and implement improved processes backup and recovery plans and uniform methodologies and standards

Technical Skills

         RHEL 78 CoreOS Windows Operating Systems and Openshift

         Active Directory KDC and Domain Services AD DNS FTP Data Protection Netbackup Clustering Veritas

         Virtualization environment based on VMware OpenShift

         x86 server hardware Dell HP Lenovo Solarflare SSD and FPGA

         Be able to create simple automation scripts using PowerShell or other scripting language like VBS Python Bash etc

         Network protocols and tools used to troubleshoot issues

         Familiar with Sysinternals and tools that allow deep systemprocess troubleshooting

         Good to have and a willingness to learn Microsemi Ansible VMware Windows RDS Centrify IBM BigFix Ansible PTPNTP Splunk ePo SCCM Twistlock Crowdstrike SCOM          Dell ITC Lenovo HP DELL Lenovo servers and EMC NetApp storage