Senior Linux Infrastructure Specialist

6 dni temu


Warszawa, Mazovia, Polska TN Poland Pełny etat

Company Overview:

Citi Solutions Center Poland is a leading provider of technology solutions for the global financial industry.

We are seeking an experienced Senior Linux Infrastructure Specialist to join our team in Poland.

About the Role:

This is a unique 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 successful candidate will have the opportunity to work on activities related to implementing, maintaining and migrating platforms which are uniquely configured in support of the High Frequency Markets and Trading applications.

Key Responsibilities:

  1. Server Design and Configuration: Review and approve new servers design per Low Latency Linux standards with project manager and other infrastructure personnel. Review requirement documents, define hardware requirements and update processes and procedures as necessary.
  2. Linux Builds and Monitoring Tools: Good understanding of Linux builds and monitoring tools, proficient with performance and systems management. Plan, participate and support activities related to the Disaster Recovery testing, Data Center migration and document the results.
  3. Storage and Backup Technologies: Setup, configure, manage, and troubleshoot of Veritas volume manager and VCS cluster systems. Firmware deployment support for HP ILO and IDRAC. Familiarity with storage and backup technologies and its integration with virtual machines in a shared clustered environment (SAN, NAS, NetApp, NFS).
  4. Automation and DevOps: Knowledge and experience with Chef cookbooks, recipes, nodes, runlists, and attributes and how it integrates into cloud provisioning and configuration tasks. Understanding of Ansible and its use as a DevOps tool to support automation of manual tasks. Design testing approaches, complex processes, reporting streams, and assist with the automation of repetitive tasks.
  5. Troubleshooting and Escalations: Handle issues and escalations, as well as resolve production problems, reporting to management on status and technical matters. Coordinate with various teams to resolve issues and deliver projects on time. Provide Root Cause Analysis (RCA) post restoration of service.
  6. Process Improvement: Plan and implement improved processes, backup and recovery plans, and uniform methodologies and standards. Willing to work after hours and weekends or be on-call if needed.

Requirements:

  • RedHat Linux 7/8/9: Good understanding of RedHat Linux 7/8/9, CoreOS and Openshift, Network and Domain Services (AD, DNS).
  • Linux OS Platform: SME level knowledge of Linux OS Platform (Red Hat Enterprise Linux is preferred).
  • Server Hardware: Experience in configuration of server hardware (preference towards HP/Dell hardware and understanding of ILO/iDRAC technology).
  • Clustering Concepts: Good understanding of clustering concepts (experience with Veritas InfoScale will be a plus).
  • Automation Tools: Experience in using Atlassian tools: Confluence, Jira, Bitbucket and understanding of Project Management concepts – both waterfall and agile methodologies.
  • Chef and Ansible: Understanding of Automation through CHEF and Ansible (understanding Ansible execution strategies, topology).
  • SRE Concepts: Understanding of SRE concepts and experience with OpenShift will be a plus.
  • Communication Skills: Ability to document complex processes and operate with a limited level of direct supervision.

What We Offer:

In this role, you will have an unlimited development opportunity within Citi global network, extensive training offering (Udemy and Degreed). We have a hybrid model of work – from modern offices and from home, flexible working hours. Competitive salary connected with annual salary review and discretionary annual performance bonus.

We offer a range of benefits including Private Medical Care Program, Life Insurance Program, Pension Plan contribution (PPE Program), Employee Assistance Program, Paid Parental Leave Program (maternity and paternity leave), Sport Card, Holidays Allowance, Sport and team recreation activities, Special offers and discounts for employees, Access to an array of learning and development resources, A discretional annual performance related bonus, A chance to make a difference with various affinity networks and charity initiatives.



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