Linux System Administrator

5 days ago


Irving, Texas, United States Citigroup Inc Full time
About Citi

Citi is a leading global bank with a presence in over 160 countries and a customer base of approximately 200 million. Our Operations & Technology teams are responsible for designing and delivering technology solutions that support our business operations, including network security, resource management, and customer experience.

Job Overview

The Linux System Administrator will play a critical role in assisting with LAN/WAN and help desk administration activities, including network maintenance, technical guidance, and security in coordination with the Technology Infrastructure team. The successful candidate will have a deep understanding of RedHat Linux operating systems and associated tools, as well as experience with automation tools like Ansible and/or Chef.

Responsibilities
  • Create complex project plans, perform impact analyses, solve/work high-impact problems/projects, and provide resolution to restore services
  • Provide Root Cause Analysis (RCA) post restoration of service
  • Design testing approaches, complex processes, reporting streams, and assist with the automation of repetitive tasks
  • Provide technical/strategic direction to team members
  • Review requirement documents, define hardware requirements, and update processes and procedures as necessary
  • Ensure ongoing compliance with regulatory requirements
  • Responsible for applications dealing with the overall operating system
  • Conduct project-related research
  • Has the ability to operate with a limited level of direct supervision
  • Can exercise independence of judgment and autonomy
  • Acts as SME to senior stakeholders and/or other team members
  • Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's 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
Qualifications
  • Minimum 5+ years in Linux system administration
  • Deep understanding of RedHat Linux operating systems and associated tools
  • Ability to create scripts in Bash, Perl, Python, or other languages
  • Knowledgeable in automation tools like Ansible and/or Chef
  • Understanding of how specialization within the area contributes to the business and of competitors' products and services
  • Ability to develop projects required for design of metrics, analytical tools, benchmarking activities, and best practices
  • Ability to work with virtual/in-person teams and work under pressure/deadline
  • Experience in a Financial Services or large complex and/or global environment preferred
  • Effective written and verbal communication skills
  • Strong analytical skills
  • Ability to communicate technical concepts to a non-technical audience
  • Clustering experience preferred
Education

Bachelor's/University degree, Master's degree preferred



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