middleware specialist

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 Middleware Specialist in Athens to work with our clients in the European public sector.

You will be responsible for the installation, configuration, maintenance, and performance of middleware technologies that support enterprise applications and services. This role requires strong technical expertise, problem-solving skills, and the ability to work collaboratively with cross-functional teams

Your role:

• Install, configure, and maintain middleware platforms (e.g., WebLogic, WebSphere, JBoss, Apache Tomcat, IBM MQ, etc.).

• Monitor middleware performance and ensure high availability and reliability.

• Troubleshoot and resolve middleware-related issues in a timely manner.

• Collaborate with development and infrastructure teams to support application deployments.

• Implement and maintain security standards and access controls.

• Automate routine tasks and improve system efficiency through scripting and tools.

• Maintain documentation for configurations, procedures, and troubleshooting guides.

• Participate in on-call support and incident response as needed.

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 degree in Computer Science, Information Technology, or related field.

• 5+ years of experience in middleware administration or support.

• Hands-on experience with one or more middleware platforms (e.g., WebLogic, JBoss, Apache Kafka, IBM MQ).

• Strong knowledge of Linux/Unix environments and scripting (Shell, Python, etc.).

• Familiarity with CI/CD tools and DevOps practices.

• Understanding of networking, firewalls, and load balancing.

• Excellent problem-solving and communication skills.

• 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).

Nice to have:

• Experience with cloud platforms (AWS, Azure, GCP) and containerization (Docker, Kubernetes).

• Knowledge of ITIL practices and service management tools.

• Middleware certification(s) (e.g., Oracle WebLogic, Red Hat JBoss).

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