Senior VMware Specialist

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 team is looking for a Senior VMware Specialist in Athens to work with our clients in the European public sector.

We are looking for a highly skilled Senior VMware Specialist to lead the design, implementation, and management of our virtualized infrastructure. This role requires deep expertise in VMware technologies, strong troubleshooting capabilities, and the ability to work collaboratively across teams to ensure high availability, performance, and scalability of our systems.

Your role:

• Design, deploy, and maintain VMware vSphere environments (ESXi, vCenter, vSAN, NSX).
• Monitor and optimize performance of virtual machines and hosts.
• Manage resource allocation, capacity planning, and lifecycle management.
• Develop and maintain automation scripts using PowerCLI, Python, or Ansible.
• Implement Infrastructure as Code (IaC) practices for repeatable deployments.
• Design and implement backup and recovery strategies using tools like Veeam or Commvault.
• Ensure high availability and business continuity through clustering and replication.
• Apply security hardening guidelines to VMware environments.
• Ensure compliance with internal policies and external regulations (e.g., GDPR, ISO
• Work closely with network, storage, and application teams to support business services.
• Provide Tier 3 support and mentor junior engineers.

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

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, Information Technology, or related field.
• 5+ years of experience managing VMware environments in enterprise settings.
• VMware certifications (e.g., VCP-DCV, VCAP) strongly preferred.
• Strong knowledge of virtualization, storage, networking, and cloud integration.
• Experience with monitoring tools (e.g., vRealize Operations, SolarWinds).
• You must be eligible for EU Security Clearance (at least 5 years of EU nationality in required).

Nice to have:

• Experience with hybrid cloud environments (Azure, AWS, GCP).
• Familiarity with NSX-T, Horizon View, and Tanzu.
• Strong scripting and automation skills.
• Excellent problem-solving and communication abilities.

*This role may require flexibility, including shift-based work and on-call responsibilities, depending on operational needs.