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.

As a Network Team Lead, you will be responsible for designing, implementing, and managing cloud computing architecture. You will play a crucial role in helping customers leverage cloud technologies to achieve its goals efficiently and securely.

Your role:

Oversee the configuration, monitoring and maintenance of LAN, WAN, VPN and firewalls environments.Lead and mentor a team of network engineers.Assure implementation of scalable, secure and high-performance network solutions.Lead incident response efforts and performing post-incident analysis regarding network infrastructure.Implement and maintain network monitoring tools.Collaborate with cross-functional teams or infrastructure projects, disaster recovery plans and cloud networking initiatives.Analyse network performance and optimize speed and reliability.Ensure compliance with relevant regulations and industry standards. Manage vendor relationship and evaluate network product/services.Oversee the development of network configuration and diagrams.Provide technical guidance during incidents and ensure root cause analysis and documentation.Provide regular updates to senior management on network availability.

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

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.Minimum 8 years of experience in network engineering roles, with at least 2-3 years in a supervisory or lead capacity.Professional certifications such as CCNP/CCIE (Cisco), Fortinet NSE, Juniper JNCIP/JNCIE ITIL certification is a plus.Deep knowledge of network security technologies (firewalls, IDS/IPS, VPNs, encryption).Deep understanding of IP routing and switching.Proficiency with Layer2/Layer3 network protocols and technologies.Familiarity with network monitoring and diagnostic tools.Strong problem-solving and analytical skills.Experience with cloud networking (AWS, Azure or GCP).Strong communication and interpersonal skills to interact effectively with diverse teams and stakeholders.Project management skills and ability to manage multiple priorities.High attention to detail and commitment to operational excellence.Fluency in English (B2 level minimum); knowledge 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.