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Senior System Engineer (Middleware, Luxembourg)
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Computer/IT Services


IT & Infrastructure





Location: Luxembourg

Workspace type: Hybrid

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Job Description

At Sogeti, we believe the best is inside every one of us. Whether you are early in your career or at the top of your game, we’ll encourage you to fulfill your potential to be better. Through our shared passion for technology, our entrepreneurial culture, and our focus on continuous learning, we’ll provide everything you need to become the best you can be.


You will be responsible for managing and maintaining Middleware applications that connect different software applications, systems, or services within an organization. Middleware is software that provides common services and capabilities to applications outside of what's offered by the operating system. This can include web servers, application servers, content management systems, and other tools that support application development and delivery.

  • Installation and Configuration: Install and configure middleware applications and tools. Ensure that middleware is set up correctly and optimally for performance and security;
  • Monitoring and Maintenance: Monitor middleware performance and availability. Maintain middleware systems by applying patches, updates, and upgrades. Perform regular health checks and diagnostics;
  • Troubleshooting and Support: Troubleshoot and resolve middleware-related issues. Provide support to application developers and users. Document incidents and resolutions;
  • Performance Tuning: Optimize the performance of middleware systems. Analyze performance data and make recommendations for improvements;
  • Integration: Manage the integration of middleware with other systems and applications. Ensure seamless data flow and communication between different systems;
  • Documentation: Maintain documentation for middleware configurations, processes, and procedures. Create and update operational manuals.


  • Proficiency in middleware technologies such as WebLogic, JBoss, Apache, Tomcat, IBM WebSphere, Strong understanding of network protocols and services (HTTP, HTTPS, SSL);
  • Familiarity with scripting languages (Python, Shell, Perl) for Automation;
  • Experience with performance monitoring and tuning tools;
  • Ability to communicate effectively with technical and non-technical stakeholders;
  • Fluency in French and good command in English are required;
  • 3+ years university degree in IT and at least 5 years of professional experience in an international complex environment.


At Sogeti, we have a modern, human centric approach to promoting, assessing and ensuring future high performance. We support and guide you at every step of your career with continuous feedback and conversations. We’ll always make space to check in and discuss your growth and readiness for promotion.

We encourage flexibility when it comes to when and where people get their work done, allowing a better work-life balance and greater empowerment. Employees work with their managers to determine an arrangement that works best for their role and personal circumstances.

We offer access to one of the best digital learning packages in the market to improve both your soft and hard skills. Encouraging you to be curious and accountable for your skills development. Our learning offers are world class and free to every employee across the globe. Access all learning assets and curated programs from business experts, plus content from leading partners including Harvard Business Review, Coursera, Pluralsight, Udemy, Microsoft, AWS, Google and many more.

Skills & Requirements

About the company

Part of the Capgemini Group, Sogeti makes business value through technology for organizations that need to implement innovation at speed and want a local partner with global scale. With a hands-on culture and close proximity to its clients, Sogeti implements solutions that will help organizations work faster, better, and smarter. By combining its agility and speed of implementation through a DevOps approach, Sogeti delivers innovative solutions in quality engineering, cloud and application development, all driven by AI, data and automation.

Capgemini is a global business and technology transformation partner, helping organizations to accelerate their dual transition to a digital and sustainable world, while creating tangible impact for enterprises and society. It is a responsible and diverse group of 340,000 team members in more than 50 countries. With its strong over 55-year heritage, Capgemini is trusted by its clients to unlock the value of technology to address the entire breadth of their business needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fueled by its market leading capabilities in AI, cloud and data, combined with its deep industry expertise and partner ecosystem. The Group reported 2023 global revenues of €22.5 billion.

Get The Future You Want | www.capgemini.com

Visit us www.sogeti.com

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Within the Framework of our certification PSF please note that the presentation of the criminal record will be requested upon hiring.

Sogeti Luxembourg is an equal opportunity employer. We promote equality and dignity in all aspects of recruitment and employment, and all offers of employment and promotions are made based on performance, competences and ability.

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