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Data Communication Subject Matter Expert
On-site in Madrid·Full-time·Added 24 days ago
Overview
Job details
Full-time hours
Per the ad.
Requirements
Have the right to work in Spain
NTT DATA doesn't mention sponsorship in the ad.
Work on-site in Madrid
No relocation package mentioned.
Have 8+ years of experience
Senior-level role.
Requirements
What we're looking for
- Typically 8+ years of experience in Network Infrastructure, Data Communication, and Enterprise Networking.
- Strong experience in designing, implementing, managing, and troubleshooting large-scale enterprise network environments.
- Experience supporting LAN, WAN, SD-WAN, VPN, Wireless Networking, Network Security technologies, Data Center, and Cloud Connectivity solutions.
- Hands-on expertise with leading network technologies and platforms such as Cisco, Juniper, Aruba, Huawei, Fortinet, or equivalent.
- Strong knowledge of network protocols including TCP/IP, BGP, OSPF, EIGRP, MPLS, DNS, DHCP, and routing/switching concepts.
- Strong understanding of Data Center networking architectures.
- Experience in network monitoring, troubleshooting, and performance optimization.
- Knowledge of network redundancy, high availability, and disaster recovery concepts.
- Excellent analytical, communication, and stakeholder management skills.
- Ability to lead technical discussions and mentor junior engineers.
Nice to have
- Cisco Certifications (CCNP, CCIE) or equivalent networking certifications.
- Juniper (JNCIP/JNCIE), Aruba, Fortinet, or Huawei certifications.
- Experience with Cloud Networking including Azure, AWS, and Google Cloud Platform.
- Knowledge of Network Automation tools such as Ansible, Python, Terraform, or similar technologies.
- Understanding of Network Security frameworks and Zero Trust principles.
- ITIL Foundation or Service Management experience.
- Experience working in global enterprise environments.
- Exposure to Software Defined Networking (SDN) and Network Function Virtualization (NFV).
The role
Make an impact with NTT DATA
Join a company that is pushing the boundaries of what is possible. We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society. Our workplace embraces diversity and inclusion - it's a place where you can grow, belong and thrive.
What you'll do
- Design, implement, and maintain enterprise network infrastructure solutions.
- Provide subject matter expertise for LAN, WAN, WLAN, SD-WAN, VPN, and Data Center networking technologies.
- Lead network transformation and modernization initiatives.
- Perform network capacity planning, performance tuning, and optimization.
- Troubleshoot complex network issues and drive root cause analysis.
- Collaborate with Infrastructure, Security, Cloud, and Application teams to ensure seamless connectivity and service delivery.
- Support network security implementations including firewalls, NAC, segmentation, and secure access solutions.
- Develop network architecture, standards, operational procedures, and technical documentation.
- Participate in incident, problem, and change management processes.
- Evaluate new networking technologies and provide recommendations for continuous improvement.
- Provide expert-level support and guidance for enterprise network environments.
- Ensure network availability, reliability, scalability, and security.
- Act as an escalation point for critical network incidents and operational issues.
- Drive network standardization, governance, and best practices.
- Collaborate effectively with business, infrastructure, cloud, and security stakeholders.
- Support infrastructure transformation and cloud migration programs.
- Deliver technical documentation, operational procedures, and solution designs.
- Continuously identify opportunities for network modernization and operational improvements.
Your day at NTT DATA
We are seeking an experienced DATACOM SME(Data Communication Subject Matter Expert)to provide technical leadership and expertise in enterprise networking and data communication technologies. The ideal candidate will be responsible for designing, implementing, optimizing, and supporting complex network infrastructures while ensuring high availability, performance, scalability, and security. The role requires close collaboration with infrastructure, security, cloud, and operations teams to deliver reliable and efficient networking services.
Primary Skillset
- Data Communication Technologies
- Enterprise Networking
- LAN / WAN / WLAN
- SD-WAN
- Routing & Switching
- TCP/IP Protocol Suite
- BGP, OSPF, EIGRP, MPLS
- DNS & DHCP
- VPN Technologies
- Cisco Networking Solutions
- Juniper Networks
- Aruba Wireless
- Network Security
- Firewalls & Secure Access
- Data Center Networking
- Cloud Networking (Azure, AWS, GCP)
- Network Monitoring & Troubleshooting
- Network Performance Optimization
- Network Architecture & Design
- High Availability & Disaster Recovery
- Network Automation (Ansible, Python, Terraform)
- Incident, Problem & Change Management
- Infrastructure Transformation & Modernization
Hiring process
Application
Application review
Recruiter screening
With a recruiter
Your background, career goals, role fit, location and availability.
Technical interview or assessment
Domain expertise through live discussion, case-based conversation or problem-solving exercises.
Hiring manager interview
With a hiring manager
Collaboration style, decision making, cultural alignment, and for some conversations strategic thinking and values.
Offer
Background checks
About NTT DATA
NTT DATA is a global digital business and IT services leader headquartered in Tokyo, Japan. The company provides consulting, systems integration, and managed services across a wide range of industries, including financial services, healthcare, manufacturing, and the public sector. With over 190,000 professionals worldwide and operations in more than 50 countries, NTT DATA is one of the largest IT services providers in the world, known for its strong capabilities in application development, cloud solutions, and cybersecurity.
In Spain, NTT DATA has a significant presence with offices in Madrid, Barcelona, and Seville, among other cities. The Spanish branch is a key hub for the company's European operations, offering a dynamic and multicultural work environment. For international professionals, NTT DATA Spain provides opportunities to work on large-scale digital transformation projects for major clients, with a strong emphasis on professional development and a collaborative culture. The company actively recruits international talent, offering roles in areas like cloud architecture, DevOps, and software engineering, making it an attractive destination for those looking to build a career in Spain's thriving tech sector.
- Industry
- IT Services
- Founded
- 1967
- Employees
- 100,000–200,000
- Headquarters
- Tokyo, Japan
- In Spain
- Madrid, Barcelona, Seville
- Website
- nttdata.com
Good to know if you are moving
- NTT DATA offers visa sponsorship for international hires, facilitating relocation to Spain.
- The company has a strong commitment to professional development, with numerous internal training and certification programs.
- Spain is a key strategic hub for NTT DATA's European operations, offering exposure to large-scale, international projects.
- The work culture emphasizes collaboration and innovation, with a flat hierarchy that supports career growth.
- The company provides competitive compensation and benefits packages, including private health insurance.
In their own words
About the company & team
About NTT DATA
NTT DATA is a $30+ billion business and technology services leader, serving 75% of the Fortune
Global 100. We are committed to accelerating client success and positively impacting society through
responsible innovation. We are one of the world's leading AI and digital infrastructure providers, with
unmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and
application services. Our consulting and industry solutions help organizations and society move
confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more
than 70 countries. We also offer clients access to a robust ecosystem of innovation centers as well as
established and start-up partners. NTT DATA is part of NTT Group, which invests over $3 billion each
year in R&D.
Additional information
Equal Opportunity Employer
NTT DATA is proud to be an Equal Opportunity Employer with a global culture that embraces diversity. We are committed to providing an environment free of unfair discrimination and harassment. We do not discriminate based on age, race, colour, gender, sexual orientation, religion, nationality, disability, pregnancy, marital status, veteran status, or any other protected category. Join our growing global team and accelerate your career with us. Apply today.
NTT DATA recruiters will never ask job seekers or candidates for payment or banking information during the recruitment process, for any reason. Please remain vigilant of third parties who may attempt to impersonate NTT DATA recruiters whether in writing or by phone in order to deceptively obtain personal data or money from you. All email communications from an NTT DATA recruiter will come from an @nttdata.com email address. If you suspect any fraudulent activity, please contact us.
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