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Join us and take your career to the next level as Application Maintenance Engineer (Application Developer). Explore the details, submit your CV, and start shaping your future with Fujitsu!
What’s the role about?
Application Developer is responsible for maintaining, configuring, updating, and troubleshooting enterprise applications across Linux and Windows environments. Execute maintenance, configuration, and application update tasks according to documented procedures.
Perform advanced troubleshooting and analysis across application, OS, and container layers (Docker/Podman).Investigate and interpret application and system logs to identify root causes and propose corrective actions.
Validate configurations and verify service functionality after releases or infrastructure changes.
Apply independent judgement when resolving issues not fully covered by predefined instructions
Collaborate with the Lead and peers to refine and improve maintenance documentation.
Participate in change and release activities, including pre-checks, post-validation, and rollback coordination.
Communicate findings clearly to the Lead and related teams (Development, QA, Infrastructure).
Maintain accurate and up-to-date operational documentation.Contribute to process improvements and knowledge sharing within the maintenance team.
In Scope:
Application maintenance, updates, configuration, and troubleshooting in Linux and Windows environments.
Root cause analysis and operational improvements within established frameworks.
Support for change/release activities and validation of deployed services.
Documentation and refinement of operational procedures.
Applications and Tools in Scope-
The engineer supports and maintains applications and components such as: Confluence ; ServiceNow ; Docker / Podman ; Linux & Windows Servers; Monitoring and Logging Tools – including Zabbix, system-level log analysis utilities, and container logs; Networking Tools – used for IP, DNS, and connectivity troubleshooting.
Who are we looking for?
Hands-on experience in application operations, maintenance, or support.
Strong troubleshooting skills in Linux (openSUSE, SLES, or similar) and Windows Server environments.
Practical experience with Docker or Podman for managing containerized applications.
Understanding of network fundamentals, connectivity, and dependencies between services.
Experience analyzing system and application logs to identify and resolve issues.
Working knowledge of ServiceNow, Confluence, or similar enterprise systems.
Ability to update and validate applications following defined change and release procedures.
Strong communication skills and fluency in English (spoken and written).
Soft SkillsAnalytical and curious – investigates beyond the surface to understand root causes.
Structured and reliable – ensures that operational tasks follow process and documentation standards.
Collaborative – works effectively with colleagues and shares insights across teams.
Creative problem-solver – applies logic and initiative when encountering new issues.
Service-minded – committed to stability, responsiveness, and quality in operations.
Adaptable – comfortable working across diverse systems and environments.
What can you expect from us?
At Fujitsu, we’re committed to supporting our employees in every aspect of their professional and personal lives. Here’s what we offer:
Health and well-being
- Private medical care.
- Group life insurance.
Flexibility at work
- Work from modern offices with parking or from home.
- Workation.
Why Fujitsu?
We combine innovation with purpose, empowering you to bring your whole self to work. Join us and help shape a future where technology improves lives.
Ready to start your journey?
Click “apply” and take the first step toward a career that’s as inspiring as it is rewarding. 🚀
Based on Article 24(6) of the Act of 14 June 2024 on the Protection of Whistleblowers (Journal of Laws of 2024, item 928), the employer provides information on the internal reporting procedure in force at Fujitsu Technology Solutions Sp. z o.o. The procedure is available at the following links: Internal-reporting-procedure.pdf, Procedura-zgłoszeń-wewnętrznych.pdf