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Citi & Citi Handlowy
Citi & Citi Handlowy
location iconLocations: Warszawa
level iconLevel: specialist
Citi is more than a global financial services company. It's an engine for progress. We serve 200 million customers in more than 160 countries, providing support to individual, corporate, government and institutional clients. Our clients choose us for a global footprint, market positon, in-country relationships and the full range of solutions on offer. In Poland we operate within two legal entities Citibank Europe plc and Bank Handlowy w Warszawie S.A.
Senior UNIX System Administrator - ICG / MSST
Work place: Warszawa

Are you passionate about Unix-based - AIX, RedHat, Solaris servers? Your responsibility would be production support of a large Unix estate. This includes handling trouble tickets, user requests, proactive maintenance, application releases, continuity of business planning and testing and other related SA roles.


  • Trouble-shooting and problem solving
  • Reduction of faults, Root Cause Analysis
  • Provide assistance and guidance to developers in accordance to Citi policies and standards
  • Monitoring of the server environment and its capacity planning
  • Business-driven application deployments
  • Tight control of the environment including conformance with standard controls checks and procedures
  • COB testing and documentation
  • Procedural checks. Building and configuring new servers]
  • Production Handover
  • SAN storage set-up and testing.
  • The role may include some overseas travel
  • Opportunity for gaining experience in an international corporation and technical knowledge from the Unix area and variety of new technologies

Essential qualifications

  • OS types involved (RedHat Linux, Solaris, AIX) to a certifiable level
  • Deep understanding of RedHat/AIX and Linux operating systems and associated tools
  • Experience of Unix Systems Administration in at least 2 years.
  • Analytical and disciplined approach to problem solving
  • Ability to remain calm and objective in a high-pressure environment
  • Strong self-management and be ready to use own initiative
  • Strong team-player and collaborator
  • Strong customer and colleague communication skills, both written and verbal
  • Excellent communication and customer care skills
  • Fluent English

Additional qualifications:

  • TCP/IP and networking experience
  • Perl and shell-scripting skills
  • Knowledge of Veritas product suite including Volume Manager and Cluster Server
  • Knowledge and understanding of naming services such as LDAP
  • Knowledge of HP, IBM, Oracle hardware up to enterprise level
  • Standard office automation products (Word, Excel, Outlook)
  • Experience of customer support in a time-critical environment
  • Experience of a financial services
  • Experience of working in a heavily controls-focused environment
Please be informed that we will contact selected candidates only.

Citi and Citi Handlowy are registered trademark of Citigroup Inc., used under license. Citigroup Inc. and its subsidiaries are also entitled to rights to certain other trademarks contained herein.
Bank Handlowy w Waszawie S.A
Citibank Europe PLC

This job is no longer available

Recruitment process for this position has ended.

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  • iconAdministration, IT
  • iconWarszawa, mazowieckie

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