Application support engineer, Circle K

Application support engineer

Circle K

Location:
Poland, Warszawa

Category:
IT - Administration

Contract Type:
Employment contract

Salary:

Not provided

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Job Description:

Application Support Engineer will focus and act as IT Systems engineer for existing as well as future applications, securing their availability to meet increasing requirements from business and market perspective. The role is part of the IT Applications & Operations Support team.

Job Responsibility:

Quality Assurance in production environment both classical data center and cloud environment
Conduct maintenance server/services restarts in compliance with established change processes
Troubleshoot and resolve integration issues, including bug fixing (SOA / Kubernetes)
Troubleshoot and resolving incidents (2nd line) including on call support for critical incidents
Conducting root cause analysis and problem management
Taking care of IT relevant support processes and documentation
Contribution in IT security design of applications and their ecosystems
Taking over new applications from projects and bringing them into operations

Requirements:

University degree or equivalent working experience
Being familiar with ITIL / Agile fundations
Windows Server – 2008/2012R2 – administration and configuration
IIS – administration and configuration
Networks – troubleshooting, basic knowledge of protocols, firewalls, routing, loadbalancing
Linux basics
MS SQL basics

Nice to have:

Cloud environmnets e.g. AWS
Middleware e.g. Kubernetes
Familiarity with Oracle SOA and Oracle SQL
Scripting knowledge (bash, PowerShell)

What we offer:

Contract of employment
Annual bonus
Private medical care
Cafeteria Platform/Multisport
English lessons subsidized by the company
Group insurance
Attractive discounts for products and services at our stations
Employee stock purchase plan
Employee Assistance Program (Lyra)
Modern and convenient office
Trainings & possibility to develop skills in a wide international environment

Additional Information:

Job Posted:
October 23, 2025

Employment Type:

Fulltime

Work Type:

On-site work

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