Network Technical Architect

NTT America, Inc.; Greater London; On-site; GBP 90,000 - 130,000; Full time

Job summary

NTT DATA UK & Ireland is seeking a Network Technical Architect to design, implement, and ensure the integrity of complex network solutions. You will lead delivery teams, develop detailed design documents, and transition projects from presales to delivery while maintaining high standards and compliance.

You will provide pre-sales technical support, shape long-term strategic plans for capacity, and act as a technical escalation point for major incidents, including occasional out-of-hours work.

Qualifications

• Professional-level vendor certifications (e.g. CCNP/CCIE) required.
• Strong understanding of network protocols, topologies, security, routing, switching, WLAN and IP addressing.
• Broad product knowledge with an integrated understanding of technology.
• Comfort owning, leading, and executing deliverables with technical oversight and quality assurance.

Responsibilities

• 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 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.
• Maintain technical competencies across a wide-ranging set of relevant technologies.
• Employ soft skills to assist in creating a positive experience for the customer.

Skills

Vendor certifications CCNP/CCIE

Networking fundamentals

Broad product knowledge

Project leadership

Interpersonal communication

Education

Bachelor's degree or equivalent

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 where you belong, learn, and build your network. Make this the place where you grow.

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.