Application Support Engineer

Application Support Engineer

About Proximus Luxembourg

Proximus Luxembourg is a leading historical player in the ICT & Telecoms markets. Proximus Luxembourg addresses both residential and business markets through its commercial brands Tango, Telindus and more recently Codit.

With PSF support status, the company has almost 750 employees. All these experts share a passion for digital technology, a spirit of openness and innovation, and a desire to simplify, connect and make their customers' personal and professional activities ever more secure.

Proximus Luxembourg is actively contributing to the acceleration of Luxembourg's digitalisation and its economic influence through the development of connectivity, resilient infrastructures and 5G, as well as innovative technologies such as Blockchain, Artificial Intelligence, Machine Learning and IoT.

Proximus Luxembourg is a subsidiary of the Proximus group (Euronext Brussels: PROX), provider of digital services and communication solutions operating in the Belgian and international markets.

Your mission:

As a Application Support Engineer, you will be a key member of our team dedicated to maintaining and optimizing our sales applications, web-based customer management tools, and internal systems. You will work closely with technical experts and system administrators to ensure maximum availability and optimal performance of our systems.

Responsibilities

• Maintain and support our Internet, TV, and Fixed voice services by responding to alerts, incidents, and customer issues.
• Troubleshoot and lead investigations into technical customer complaints to restore service and ensure Quality and Customer Experience targets are met.
• Treat incidents and perform necessary troubleshooting actions.
• Assist external teams in provisioning telecom services as needed.
• Report incidents, problems, and statistics deviations.
• Document processes and troubleshooting actions for the team.
• Provide daily support for critical applications, including monitoring, troubleshooting, and incident resolution.
• Collaborate with development, DevOps, and system administration teams to diagnose and resolve technical issues.
• Ensure adherence to SLA (Service Level Agreements) for incident and support requests.
• Continuously improve applications and systems by identifying performance and reliability opportunities.
• Maintain and optimize the Openshift cluster and several EAP and Fuse servers.

Your profile:

Required Skills and Experience

• Degree in Telecommunications or equivalent professional experience.
• Proven experience in application support within a complex and critical environment.
• Previous experience in telecommunications (TV, VoIP, Broadband, FTTH, Cloud-PBX, or mobile networks).
• Strong DevOps environment knowledge and associated tools (CI/CD, monitoring, etc.).
• Solid troubleshooting and problem-solving skills for applications.
• Good understanding of Middleware technologies, particularly Openshift, EAP, and Fuse.
• Excellent follow-up skills to track open items and chase down responses on unresolved issues.
• Strong team collaboration and effective communication skills.
• Autonomy, rigor, and the ability to manage priorities in a dynamic environment.
• Experience with ticketing systems and incident tracking.
• Proficiency in French and English is mandatory.

Qualifications

• Bachelor’s degree in Telecommunications, Computer Science, or a related field.
• Minimum 8 years of experience in application support or system administration within a DevOps context.
• Knowledge of telecommunications environments is a plus.
• Relevant certifications in DevOps, Openshift, or related areas are an advantage.

Our offer:

A professional and stimulating work environment in the IT & telecom sector. Multiple career opportunities within the Proximus Group at national and international level, cutting-edge training in new technologies, a wealth of recognized expertise. We also offer an attractive salary package and many other benefits.

Our company is an equal opportunity employer, valuing diversity in all its forms. We firmly believe that each individual brings a unique richness to our teams, and we are committed to creating an inclusive environment where every voice counts.

If at the end of the process your application is successful, you will be asked to provide an extract from your criminal record. Your personal information will be handled in compliance with applicable data protection laws.