**NTT DATA – a part of NTT Group - is a Top 10 global IT services provider, headquartered in Tokyo, with over 150,000 employees.** **We deliver consulting solutions** by combining specialized sectorial knowledge, our transformation management skills, and our large technology expertise (data, RPA, AI, low code, cloud, IoT, virtual reality), to keep our clients, as well as society, a step ahead in this digitally dynamic world. Everything we do is underpinned by our **core values** of 'Teamwork', 'Foresight' and 'Clients First'. Our shared **leadership principles** of Collaboration, Engagement and Curiosity help us build a community where our people are equipped with the best resources to face new challenges. **NTT Data Greece** team is looking for a **Senior Middleware Engineer** in Athens to work with our clients in the **European public sector** . **As a Senior Middleware Engineer** you will be responsible for ensuring that clients' IT infrastructure and systems remain operational by proactively identifying, investigating, and resolving technical incidents and problems. The primary objective is to ensure zero missed service level agreement conditions and achieve client satisfaction through building and supporting technology solutions. **Your role:** + Manage and optimize middleware and LAMP infrastructure, including third-party applications. + Oversee infrastructure operations: monitoring, availability testing, reporting, and documentation. + Implement changes, service requests, and provide on-call support as needed. + Participate in technical projects and resolve technical issues promptly. + Proactively manage service improvements and perform disaster recovery testing. + Handle change management processes and monitor SLAs. + Collaborate with different teams, manage escalations, and optimize service delivery methods. **Why NTT DATA?** We value a **collaborative** and **supportive** environment, celebrating **curiosity** and **engagement** We are committed to supporting the physical, financial and emotional well-being our of employees **Career development.** Training path and access to learning opportunities, yearly performance reviews and a mentorship program We believe in **work-life balance** and **flexibility** . Wear casual clothing, decide your working hours and enjoy our hybrid working model **Talent Friends.** Refer a friend and receive a **bonus** when they join **We care about you** **Health & well-being.** Focus on your mental health with access to a platform with certified psychologists & mental health workshops. Take a break with one of our online fitness and well-being sessions **Diversity & inclusion.** We are committed to equal employment opportunities regardless of gender, gender expression and identity, sexual orientation, religion, culture, origin, disability, age, or other personal and social characteristics. **\#WeAreAllUnique** **\#YouMakeUsUnique** Please let us know if you require us to accommodate any accessibility needs during the recruitment process. **Benefits at NTT DATA Greece** Health insurance for the employee and one dependent family member (100% paid by NTT DATA) Meal vouchers of 120€ per month (x12) Corporate mobile phone: subscription & device Teleworking equipment allowance Udemy Account Access to Open Up mental health service 28 days of paid annual leave consisting of your legal holidays and compensation days **Your profile:** + Bachelor’s or Master’s degree in Computer Science, Information Technology, or a related field. + 8+ years of experience in middleware environments within mid-to large-size infrastructures. + Expertise in design, implementation, and maintenance of middleware solutions, focusing on WebLogic and LAMP stack (Linux, Apache, MySQL, PHP) in both on-premises and cloud environments. + Bachelor’s or master’s degree in computer science, Informational Technology, or a related field. + Strong knowledge of cloud platforms (e.g., AWS, Azure, Google Cloud) and on-premises infrastructure. + Familiarity with DevOps practices and tools (Jenkins, Docker, Kubernetes) and scripting languages (Python, Bash). + Experience with other middleware technologies (e.g., IBM WebSphere, JBoss). + Understanding of network protocols, security, backup & storage technologies, and cyber resiliency principles. + Proficiency with automation tools like Ansible. + Strong server platform knowledge in Windows and Linux. + Ability to quickly learn new technologies; self-motivated and capable of independent study. + Service-oriented with strong customer focus. + Fluency in English (B2 level minimum); knowledge of another European language is a plus. + EU citizenship is required. *This role may require flexibility, including shift-based work and on-call responsibilities, depending on operational needs. *The service window for this project is between 9am-10pm, the exact daily shifts will be confirmed later in the process.