Network Technical Architect

NTT DATA; Greater London; Hybrid; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Flexible work options

Tailored benefits

Learning & Development opportunities

Job summary

NTT DATA UK & Ireland is seeking a Network Technical Architect to design, implement and govern complex network solutions spanning WAN, LAN, data center and cloud. You will lead delivery teams, guide customers, and translate requirements into detailed design documents and executive summaries.

In this role you will own engagements, provide pre-sales support, develop POCs, and act as a design authority for large customers.

Qualifications

• CCNP/CCIE professional/expert level certification
• Deep understanding of network protocols, topologies, security, routing, switching, wireless networks, and IP addressing
• Strong ability to produce high-quality design documentation from architecture to detailed design

Responsibilities

• Design enterprise network architectures across WAN, LAN, WLAN, SD‑WAN, cloud and datacentre networks
• Lead pre-sales support and ensure designs meet customer requirements and operational goals
• Create and maintain design documentation for internal and external use
• Act as technical lead on solution design, deployment and handover to delivery teams
• Serve as a design authority for large customers after go-live and provide escalation support
• Prepare executive summaries and present proposed technology solutions to clients
• Maintain broad technical competencies and translate them into value for customers

Skills

Network design

Pre-sales support

Technical leadership

Documentation

Stakeholder management

Education

Bachelor's degree in a related field

Job description

The team you';ll be working with:

The Network Technical Architect is responsible for the design, implementation and integrity of complex network solutions delivered by NTT DATA.

You will need to demonstrate a combination of deep technical understanding in wide area and datacentre networking, aligned with the consultancy skills required to guide and inspire customers and lead delivery teams.

You will analyse, develop, and recommend long-term strategic plans to ensure network capacity meets current and future requirements. Collaborating with internal stakeholders, you will create technical specifications and develop detailed design documents that align with business objectives and compliance standards.

Your day will include providing pre-sales technical support and helping to transition projects from presales to delivery. You will be integral in developing and managing proofs of concept (POCs), which involve setting up, delivering, and ensuring the successful completion of these initiatives.

On assigned engagements, you will own the proposed solutions, transitioning the build and implementation to delivery teams. Your responsibilities also include preparing executive summaries, documenting proposed technology solutions, and assisting in final client presentations, ensuring all deliverables meet the highest standards.

What you';ll be doing:

• Design enterprise network architectures covering WAN, LAN, WLAN, SD‑WAN, cloud environment and datacentre networking.
• Assist in the pre-sales process to ensure designs fulfil both customer requirements and operational efficiency goals.
• Create and maintain design documentation for internal and external use.
• Work within project teams as a technical lead on solution design, deployment, and support transition.
• Work closely with remote delivery and operational teams within NTT.
• Be an ongoing technical design authority for larger customers after go-live (TDA)
• Act as a technical escalation point for major incidents.
• Fulfil occasional out-of-hours responsibilities to support project delivery.
• Consult with new and existing customers to deliver value-added technical and professional services such as capacity planning, security audits, performance optimisation, customer premises deployments and migrations.
• Maintain technical competencies across a wide-ranging set of relevant technologies.
• Employ soft skills to assist in creating a positive experience for the customer.

What experience you';ll bring:

• Current vendor certifications at a professional/expert level (e.g. CCNP / CCIE).
• A deep understanding of network protocols, topologies, security, routing, switching, wireless networks, and IP addressing.
• Broad product knowledge with an integrated understanding of technology.
• Comfort owning, leading, and executing project deliverables, providing technical oversight and quality assurance to meet customer objectives and expectations.
• Demonstrable experience in producing high-quality design documentation, from architectural level through to detailed design.
• Possession of excellent interpersonal, written, and oral communication, and organisational skills.
• Strong client engagement skills and solid technical consulting aptitude.
• Effective collaboration and communication skills, contributing to team success.
• A bachelor';s degree in a related field, or equivalent experience.

Who we are:

At NTT DATA, you have endless opportunities to think big, act bold and take ownership. As a $30+ billion business and technology services, AI and digital infrastructure leader, we co-innovate solutions with clients and partners globally for business and societal impact. Serving 75% of the Fortune Global 100, with experts in over 70 countries, we encourage experimentation and recognize great work. Proudly a Global Top Employer, NTT DATA is part of NTT Group, which invests over $3 billion annually in R&D. Make this the place whereyougrow.

what we';ll offer you:

• We offer a range of tailored benefits that support your physical, emotional, and financial wellbeing.
• Our Learning and Development team ensure that there are continuous growth and development opportunities for our people.
• We also offer the opportunity to have flexible work options.

You can find more information about NTT DATA UK & Ireland here: https://uk.nttdata.com/

We are an equal opportunities employer. We believe in the fair treatment of all our employees and commit to promoting equity and diversity in our employment practices. We are committed to creating a diverse and inclusive workforce. We actively collaborate with individuals who have disabilities and long-term health conditions which have an effect on their ability to do normal daily activities, ensuring that barriers are eliminated when it comes to employment opportunities. In line with our commitment, we guarantee an interview to applicants who declare to us, during the application process, that they have a disability and meet the minimum requirements for the role. If you require any reasonable adjustments during the recruitment process, please let us know. Join us in building a truly diverse and empowered team.