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Application Support Engineer

Admin

Application Support Engineer

Admin

Puławska 145, Warszawa

Circle K Business Centre

Full-time
Permanent
Mid
Hybrid

Tech stack

    ITIL

    regular

    Windows Server

    regular

    IIS

    regular

    Networks

    regular

    Troubleshooting

    regular

    Network Protocols

    regular

    Firewall

    regular

    routing

    regular

    Linux

    regular

    SQL

    junior

Job description

Looking for new opportunities in your career? Wherever you’re heading, let’s go there together.


Our ambition is to be an exceptional place to work. We will put our very best effort into your personal and professional development – because when you grow, we grow. Our dream is to be the world’s preferred destination for convenience and fuel. Whatever your goal is, let’s make each other’s dreams come true. Come grow with us.


Circle K Business Center Poland is looking for a new team player, who would like to join our team as:

Application Support Engineer will mainly 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. Will be part of the IT Applications & Operations Support team.



KEY RESPONSIBILITIES

  • 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.



KEY QUALIFICATIONS

  • 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 DO 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 that you can virtually visit here - https://goo.gl/maps/CLteHfYcdYMbdESq6 

  • Trainings & possibility to develop skills in a wide international environment  


When working with us you can depend upon it that you will not be judged on the grounds of race, national origin, gender, sexual orientation, disability, age, or other legally protected status. Oppositely – we believe that our diverse and inclusive culture helps us create an amazing atmosphere where everybody feels welcome.  Check who we are here: https://youtu.be/td-QGnNnvW0  Want to know even more about us? Take a look at our career page: https://workwithus.circlek.com/global/en/businesscentrewarsaw  


Interested? We encourage you to apply.  

We know great companies are built from within, by great people like you. Come grow with us! We´re looking forward to your application 



We hereby inform that in the company Circle K Business Centre Poland sp. z o.o. with registered office in Warsaw an Internal Notification and Follow-up Actions Procedures applies. 

The document describes rules for reporting violations of law by whistleblowers. Full content of the above-mentioned Procedure is available here:  https://www.circlek.pl/o-nas/procedury-zgloszen 

Tech stack

    ITIL

    regular

    Windows Server

    regular

    IIS

    regular

    Networks

    regular

    Troubleshooting

    regular

    Network Protocols

    regular

    Firewall

    regular

    routing

    regular

    Linux

    regular

    SQL

    junior

Office location

Published: 23.10.2025

Application Support Engineer

Summary of the offer

Application Support Engineer

Puławska 145, Warszawa

Circle K Business Centre

By applying, I consent to the processing of my personal data for the purpose of conducting the recruitment process. Informujemy, że administratorem danych jest Circle K Business Centre Sp. z o.o. z siedzibą w Warszawie, przy ul. Puławskiej 145 (dalej... MoreThis site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.