Senior Application Support Devops Engineer

 Senior Application Support Devops Engineer

 

At One, every moment counts.

 

Moments when the team connects us, when growth motivates us, when impact inspires us, when recognition pushes us, and when ambition drives us. These moments define our everyday. Everything we do contributes to making the moments we experience truly meaningful.

As part of the 4iG group, our goal is to become Hungary’s leading telecommunications provider. We build on a strong foundation and enrich lives with innovative solutions.

 

Every moment counts. Make the most of yours. Join us!

 

 

You will be involved in the tasks:

  • resolve medium to high complexity application incidents, performing analysis (logs, reports, SQL queries) and escalating to vendors or internal teams as needed
  • communicate incident impacts to affected users, minimize disruptions, and ensure SLA adherence
  • support end-users with application functionality, user management, and informal training
  • automate daily tasks for first-line support and manage operational handovers
  • monitor applications using tools like Zabbix or Pagerduty; create and interpret complex alerts and monitoring scripts
  • participate in testing (operational, regression, integration) and ensure proper documentation for long-term operations
  • apply changes to applications (e.g., reference data, operational parameters, bulk modifications)
  • maintain test environments (UAT1, UAT2, PET) and oversee application frameworks like Oracle Weblogic or IIS
  • investigate database inconsistencies and ensure business process automation
  • supervise first-line support staff (20+ professionals) and provide knowledge sharing for preventive operations
  • support internal end-users (300) and IT systems serving 3 million subscribers

We are looking for you if you have

  • 4+ years IT background with emphasis on the application operation, development and support cycle related methodologies and technologies 
  • broad IT background with emphasis on the application operation, development and support cycle related methodologies and technologies
  • strong SQL knowledge (MS/Oracle/PostgreSQL)
  • strong scripting skills (MS Powershell, Linux shell)
  • strong source code reading and at least basic coding knowledge in at least one OOP language
  • windows Server, UNIX(Linux) knowledge
  • experience with Apache Tomcat, Oracle Weblogic, Liferay DXP, Microsoft IIS
  • experience with monitoring and alerting solutions (eg. Zabbix, Opensearch, Grafana, Pagerduty)
  • ITIL knowledge
  • Microservice operation experience
  • CI/CD experience
  • good written and oral communication skills both in Hungarian and English
  • experience of a multicultural environment
  • experience in the development of business processes and procedures
  • independent and proactive attitude

What we offer:

  • cafeteria package & bonus or comission
  • laptop & mobile phone (with unlimited voice and data tariff package)
  • hybrid way of working, home office is 3 day/week
  • corporate Health Insurance (Swiss Clinic)
  • employee discounts (e.g. Employee flotta)
  • wellbeing program
  • 4 paid days leave/year for charity projects  
  • other discounts (e.g. AYCM card, eye-glass allowance)  
  • learning opportunities (internal trainings)

Discover Your Future at One

 

If you’re ready to learn more about who we are and what we do:

• Visit our website for more insights.

• Follow our career page for updates and opportunities.

 

At One, we’re dedicated to creating a workplace where every moment counts. Moments when the team connects us, when growth motivates us, when impact inspires us, when recognition pushes us, and when ambition drives us, these moments define who we are.

 

Every moment counts. Make the most of yours. Join us!