**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. At **NTT DATA** everything we do is guided by our **core values** . We respect every **voice** , think **bold** , deliver the **outcome** and win **together** . Our leadership approach enables our people to feel **inspired** to contribute, **empowered** to take initiative, and genuinely **cared** for in their growth and wellbeing. **NTT Data Greece** is looking for a **VMware Engineer** in Athens to work with our clients in the **European public sector.** The VMware Administrator will support the day-to-day operations of the virtualized infrastructure, assisting in the deployment, monitoring, and maintenance of VMware environments. This role is ideal for candidates with foundational knowledge of virtualization who are eager to develop their skills in a large-scale enterprise setting. **Your role:** + Overseeing DC management, systems administration, and monitoring while maintaining networking and security systems. + Providing planning, installing, configuring, and upgrading support for vRealize Automation, vRealize Orchestrator, and NSX-T. + Leveraging expert-level experience with VMware and advanced technologies. + Applying extensive knowledge of networking and security products, solutions, and services, including firewalls, IDS/IPS, and Security/Trust Zones. + Creating network designs, blueprints, and standards for implementation in data centers. + Understanding VLAN routing between L3 devices and configuring VMware environments using NSX. + Supporting L2/L3 network infrastructure in a Leaf-Spine configuration aligned with VMware best practices. + Implementing L3 dynamic routing such as BGP. + Troubleshooting network issues and outages to ensure optimal system performance. + Developing use cases for container-based architectures and NSX-T implementations. + Designing secure network systems, configurations, and installations. + Leading documentation and presentation efforts for VMware deployments and the delivery of complex solutions. + Applying knowledge and experience with VMware’s Core Cloud Infrastructure as an added advantage. + Understanding modern IT, DevOps data centers, and cloud operations. + Utilizing monitoring solutions such as VMware vRealize for effective system management. + Maintaining an operational background in ITIL processes, network operations, and support. 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 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 degree in Computer Science or a related field (Master’s degree or MBA preferred). + Minimum 5-10 years of experience in IT infrastructure with at least 3 years focused on VMware technologies. + ITIL certification (highly desirable) and experience with service management tools such as ServiceNow (a plus). + VCP-DCV, VCP-NV, CCNA, CCNP certifications or equivalent work experience. + Extensive experience in designing, implementing and maintaining network infrastructure at different scales (LAN/WAN/MAN). + Extensive experiences with Layer 2, 3, and 4 technologies, with the ability to apply the knowledge and experience in the design and implementation of global service .provider’s core and backbone network. + Experience with various networking technology, including MPLS, VPLS, VLAN, VxLAN, LTM/GTM, BGP, ACL, NAT, VPN, IPv4/IPv6. + Experience with software-defined network, such as VMWare NSX. + Background in automated network environments, Network components and concepts such as:Routers, switches, load balancers, and other networking and security components; Virtual networking components, dynamic routing. + protocols; Networking protocols such as BGP and OSPF; VLANs, VPN, Unicast vs Multicast, Management Networks, IP subnetting, and network design ; NSX Vmware with VR & VRO. + Scripting skills. + Strong communication and documentation skills. + A proactive and analytical approach to problem-solving and process optimization. + Attention to detail to ensure accuracy and consistency. + Excellent command of both spoken and written English (any other European language would be 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.