CIS UNIX Delivery System Administrator
Poland, MA, Warszawa
5 d. temu


Who are we? Citi Technology Infrastructure (CTI) provides the products and services that enable Citi's workforce, along with the majority of the financial solutions that Citi's customers rely on.

We provide the critical technical foundation for Citi's operations through the infrastructure that runs business and general user computing services.

We do this by working as one-team to deliver high quality, reliable and modern infrastructure technologies at the right cost.

We drive to optimize the functionality and capability of the infrastructure technologies.This position is an integral part of Core Infrastructure Services (CIS).

CIS is responsible for defining solutions, deploying, and operating infrastructure technology services for Application Hosting and / or End Users.

This function is focused on standardization, automation and lean methods to achieve best-in-class service and cost while being aligned to our sectors and regions for speed and responsiveness.

In CTI we are focused on delivering the best for our clients, and we know that to do this we need a talented team with diverse experiences, backgrounds and skills.

Are you passionate about Linux, Automation, High Availability, Cloud, DevOps and project work?Your responsibility would be delivery of enterprise class Linux-

based server configurations within a global team of UNIX Admins.This includes handling a portfolio of projects, proactive maintenance of Linux servers, assistance with application releases, configuration of clusters, participation in project calls with PMs, Developers and Application owners, continuity of business (DR) planning and testing, developing CHEF-

based automation as well as a variety of other SA tasks. There will be opportunity for gaining experience and technical knowledge in a large-

scale international environment. Day to day responsibilities consist of :

  • Configuring Linux servers as part of global programs and projects
  • Assistance and guidance to developers in accordance to Citi policies and standards
  • SAN storage set-up and testing at host layer
  • Continuity of business (DR) testing and documentation
  • Production readiness checks and handover to production teams
  • Development of automation within the Linux server provisioning area
  • About Citi Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions.

    Citi provides consumers, corporations, governments and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management.

    Our core activities are safeguarding assets, lending money, making payments and accessing the capital markets on behalf of our clients.

    Citi’s Mission and Value Proposition explains what we do and Citi Leadership Standards explain how we do it. Our mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress.

    We strive to earn and maintain our clients’ and the public’s trust by constantly adhering to the highest ethical standards and making a positive impact on the communities we serve.

    Our Leadership Standards is a common set of skills and expected behaviors that illustrate how our employees should work every day to be successful and strengthens our ability to execute against our strategic priorities.

    Diversity is a key business imperative and a source of strength at Citi. We serve clients from every walk of life, every background and every origin.

    Our goal is to have our workforce reflect this same diversity at all levels. Citi has made it a priority to foster a culture where the best people want to work, where individuals are promoted based on merit, where we value and demand respect for others and where opportunities to develop to are widely available to all.


    Essential qualifications :

  • Red Hat Linux at a certifiable level
  • Analytical and disciplined approach to problem solving
  • Ability to remain calm and objective in a high-pressure environment
  • Strong self-management and readiness to exercise own initiative
  • Strong team-player and collaborator
  • Excellent communication and customer care skills
  • Fluent English
  • Additional qualifications :

  • Core scripting using shell and PERL
  • Automation frameworks such as Chef, Ansible, Puppet
  • Agile developer tool stack such as Git, BitBucket, Jira, Artifactory
  • Experience with IaaS
  • Knowledge of Veritas product suite including Volume Manager and Cluster Server
  • Knowledge and understanding of naming services such as Active Directory and LDAP
  • Knowledge of HPE and Dell hardware (x86 64)
  • Experience of customer support in a time-critical environment
  • Experience in the financial sector
  • Experience of working in a heavily controls-focused environment
  • What we offer :

  • Work in one of the biggest UNIX environments in the financial industry
  • Opportunity to learn and get trained in a wide variety of IT technologies
  • Ability to drive wide-scope technology projects and initiatives
  • Friendly and diverse workplace environment, team bonding events, ability to participate in after work activities
  • Competitive salary and social benefits
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