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[Remote] Unix Systems Administrator, AVP

Remote · South Korea Full-time

Note: The job is a remote job and is open to candidates in USA. Barclays is a global financial services provider, and they are seeking a Unix Systems Administrator, AVP to monitor and maintain the bank’s critical technology infrastructure. The role involves providing technical support, managing incidents, and leading a team to ensure optimal performance and service resilience.

Responsibilities

  • Participate in the day-to-day operations of the technology function, working across a range of technology capabilities for our customers and colleagues
  • Provide end to end support in all Major Incidents which has Business impact by working with other required support Teams to recover the services
  • Participation in design and innovation of products using the newest technologies
  • Vulnerability Management - Working on monthly Linux Patching on 50K+ Linux servers and make sure they are complaint
  • Problem Management - Performing in-depth analysis of the issue as part of root cause analysis, preventive measure and work with vendors like RedHat, HP, IBM, VERITAS to identify the Software and Hardware issues, server reboot/crash or any performance related issues, etc
  • Service Resilience - Performing DCR activities to make sure services are working as expected at the remote location
  • Backup & Recovery - Making sure that both OS and application data is being backed up in regular intervals without any issues. This helps us to restore the services when we have outages
  • Unix Security - Work with UISEC squad members and understand basic troubleshooting in user access related issues
  • Automation - Create automations with script and other automation tools to reduce manual efforts and/or address issues proactively
  • Supervise 3-4 Computer Systems Analysts to ensure all SLAs are met
  • Provision of technical support for the service management function to resolve more complex issues for a specific client of group of clients. Develop the support model and service offering to improve the service to customers and stakeholders
  • Execution of preventative maintenance tasks on hardware and software and utilisation of monitoring tools/metrics to identify, prevent and address potential issues and ensure optimal performance
  • Maintenance of a knowledge base containing detailed documentation of resolved cases for future reference, self-service opportunities and knowledge sharing
  • Analysis of system logs, error messages and user reports to identify the root causes of hardware, software and network issues, and providing a resolution to these issues by fixing or replacing faulty hardware components, reinstalling software, or applying configuration changes
  • Automation, monitoring enhancements, capacity management, resiliency, business continuity management, front office specific support and stakeholder management
  • Identification and remediation or raising, through appropriate process, of potential service impacting risks and issues
  • Proactively assess support activities implementing automations where appropriate to maintain stability and drive efficiency. Actively tune monitoring tools, thresholds, and alerting to ensure issues are known when they occur

Skills

  • Participate in the day-to-day operations of the technology function, working across a range of technology capabilities for our customers and colleagues
  • Provide end to end support in all Major Incidents which has Business impact by working with other required support Teams to recover the services
  • Participation in design and innovation of products using the newest technologies
  • Vulnerability Management - Working on monthly Linux Patching on 50K+ Linux servers and make sure they are compliant
  • Problem Management - Performing in-depth analysis of the issue as part of root cause analysis, preventive measure and work with vendors like RedHat, HP, IBM, VERITAS to identify the Software and Hardware issues, server reboot/crash or any performance related issues, etc
  • Service Resilience - Performing DCR activities to make sure services are working as expected at the remote location
  • Backup & Recovery - Making sure that both OS and application data is being backed up in regular intervals without any issues
  • Unix Security - Work with UISEC squad members and understand basic troubleshooting in user access related issues
  • Automation - Create automations with script and other automation tools to reduce manual efforts and/or address issues proactively
  • Supervise 3-4 Computer Systems Analysts to ensure all SLAs are met
  • Provision of technical support for the service management function to resolve more complex issues for a specific client of group of clients
  • Execution of preventative maintenance tasks on hardware and software and utilisation of monitoring tools/metrics to identify, prevent and address potential issues and ensure optimal performance
  • Maintenance of a knowledge base containing detailed documentation of resolved cases for future reference, self-service opportunities and knowledge sharing
  • Analysis of system logs, error messages and user reports to identify the root causes of hardware, software and network issues
  • Automation, monitoring enhancements, capacity management, resiliency, business continuity management, front office specific support and stakeholder management
  • Identification and remediation or raising, through appropriate process, of potential service impacting risks and issues
  • Proactively assess support activities implementing automations where appropriate to maintain stability and drive efficiency
  • Actively tune monitoring tools, thresholds, and alerting to ensure issues are known when they occur
  • To advise and influence decision making, contribute to policy development and take responsibility for operational effectiveness
  • Lead a team performing complex tasks, using well developed professional knowledge and skills to deliver on work that impacts the whole business function
  • Set objectives and coach employees in pursuit of those objectives, appraisal of performance relative to objectives and determination of reward outcomes
  • If the position has leadership responsibilities, People Leaders are expected to demonstrate a clear set of leadership behaviours to create an environment for colleagues to thrive and deliver to a consistently excellent standard
  • Consult on complex issues; providing advice to People Leaders to support the resolution of escalated issues
  • Identify ways to mitigate risk and developing new policies/procedures in support of the control and governance agenda
  • Take ownership for managing risk and strengthening controls in relation to the work done
  • Perform work that is closely related to that of other areas, which requires understanding of how areas coordinate and contribute to the achievement of the objectives of the organisation sub-function
  • Collaborate with other areas of work, for business aligned support areas to keep up to speed with business activity and the business strategy
  • Engage in complex analysis of data from multiple sources of information, internal and external sources such as procedures and practises to solve problems creatively and effectively
  • Communicate complex information
  • Influence or convince stakeholders to achieve outcomes

Benefits

  • Medical, dental and vision coverage
  • 401(k)
  • Life insurance
  • Other paid leave for qualifying circumstances
  • This position is eligible for an incentive award.

Company Overview

  • Barclays is a transatlantic consumer and wholesale bank with global reach, offering products, and services. It was founded in 1690, and is headquartered in London, England, GBR, with a workforce of 10001+ employees. Its website is https://home.barclays.
  • Company H1B Sponsorship

  • Barclays has a track record of offering H1B sponsorships, with 277 in 2026, 621 in 2025, 610 in 2024, 639 in 2023, 720 in 2022, 571 in 2021, 448 in 2020. Please note that this does not guarantee sponsorship for this specific role.
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