Application Maintenance Engineer

Porto, Portugal

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Celfocus

Celfocus is a European high-tech system integrator, providing professional services focused on creating business value through Analytics and Cognitive solutions –addressing Telecommunications, Energy & Utilities, Financial Services and other...

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Make an impact by working for sectors where technology is the enabler, everything is ground-breaking and there’s a constant need to be innovative.

Create and enhance projects in Java, Python, Angular, PHP, .NET and so much more while diving in the world of Blockchain, Artificial Intelligence, Data Science, Security and Internet of Things.

Be part of the team that combines business knowledge, technological edge and a design experience. Our different backgrounds and know-how are key in developing solutions and experiences for digital clients.

Face challenges and learn other ways of thinking and seeing the world - there’s always room for your energy and creativity.

About the role

We are seeking a Junior Application Maintenance Engineer. The primary focus of this role is to implement custom reference data configurations, develop and enhance automation scripts, and contribute to the troubleshooting and debugging of system issues. You will collaborate with internal teams, vendors, and the client, playing a key role in Root Cause Analysis (RCA) and service improvement initiatives.


As a part of your job, you will:

  • Implement custom configurations based on Line of Business (LoB) requirements.
  • Diagnose and resolve issues related to team deliveries and business applications.
  • Troubleshoot and debug flows related to WCC, PCRME, and Order Management (OM+).
  • Analyze logs to identify and document root causes of incidents.
  • Maintain and troubleshoot integrations across systems (e.g., GitLab, Jenkins, CI/CD Pipelines).
  • Resolve technical issues affecting key components such as OM+, Web Center Contact, and PCRME.
  • Support development or maintenance of specific automation or tooling scripts.
  • Validate configuration changes and participate in production deployments.
  • Provide detailed RCA documentation to prevent future incidents.
  • Maintain up-to-date technical documentation and contribute to the team knowledge base.


What are we looking for?

Relevant Industry Experience and Educational Requirements:

  • Bachelor’s degree in computer science, engineering, or a related technical field.
  • 1-2 years of experience in application support, scripting, or configuration roles.
  • Experience working with enterprise systems or within a support engineering team.


Mandatory Technology:

  • WCC (WebCenter Content).
  • OM+.
  • PCRME.
  • GitLab.
  • CI/CD (Jenkins, Pipelines).
  • Scripting (custom automation and tooling).


Other Technical Requirements:

  • Basic understanding of integration systems and tools.
  • Familiarity with production environments and deployment practices.
  • Root Cause Analysis (RCA) exposure or experience preferred.



Personal traits

  • Ability to adapt to different contexts, teams, and client needs.
  • Strong teamwork skills with the ability to work independently when needed.
  • Motivation for continuous learning and international project collaboration.
  • Open to feedback and a proactive attitude in improving systems and processes.
  • Excellent communication skills, both verbal and written.
  • Strong problem-solving mindset with attention to detail.


At Celfocus, we are committed to cultivate a diverse and inclusive workplace. As an equal-opportunity employer, we welcome applicants of all backgrounds, gender identities, and abilities. We are dedicated to providing reasonable accommodations for candidates with specific needs. If you require any adjustments during the selection process, please inform our Talent Acquisition Team.

Come join the Team!

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* Salary range is an estimate based on our AI, ML, Data Science Salary Index 💰

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Tags: Angular Blockchain CI/CD Computer Science Engineering GitLab Java Jenkins PHP Pipelines Python Security

Perks/benefits: Career development

Region: Europe
Country: Portugal

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