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 Platform **Subject Matter Expert (SME)** in Athens to work with our clients in the **European public sector.** We are seeking a highly skilled **Platform Subject Matter Expert (SME)** to provide deep technical expertise and strategic guidance on enterprise platforms. The SME will play a key role in designing, optimizing, and supporting platform solutions that enable scalability, reliability, and innovation across the organization. Platforms: + Middleware / BDA + CCN, UUM&DS, Shared Services, CCN2, SPEED2, ARIS **Your role:** + Serve as the go-to expert for platform architecture, integration, and lifecycle management. + Lead the design and implementation of platform solutions (e.g., cloud-native platforms, container orchestration, CI/CD pipelines). + Collaborate with cross-functional teams to align platform capabilities with business and technical requirements. + Define and enforce platform standards, best practices, and governance models. + Evaluate and recommend tools, technologies, and frameworks to enhance platform performance and security. + Support incident resolution and root cause analysis for platform-related issues. + Provide technical mentorship and training to engineering and operations teams. + Contribute to platform roadmaps and strategic planning efforts. + Ensure compliance with security, privacy, and regulatory requirements. **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, Engineering, or a related field. + 7+ years of experience in platform engineering, DevOps, or infrastructure roles. + Deep expertise in: + Cloud platforms (AWS, Azure, GCP) + Containerization (Docker, Kubernetes) + CI/CD tools (Jenkins, GitLab CI, ArgoCD) + Infrastructure as Code (Terraform, Ansible) + DevOps & CI/CD Pipelines + Virtualization & Containerization (VMware, Docker, Kubernetes) + Data Center Operations + Infrastructure as Code (Terraform, Ansible) + Strong understanding of platform security, monitoring, and automation. + Excellent problem-solving, communication, and documentation skills. + You are fluent in English (B2 level minimum); knowlegde of another European language is a plus. + **You must be eligible for EU Security Clearance (at least 5 years of EU nationality in required).** *This role may require flexibility, including shift-based work and on-call responsibilities, depending on operational needs. Upon receiving an interview, you may request accommodation for any accessibility needs. Sound interesting? Apply now or share it with a friend 🔹