Network Service Design Manager

NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization.

We are currently seeking a Network Service Design Manager to join our team in Baltimore, Maryland (US-MD), United States (US).

NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization.

We are currently seeking a Service Design Manager- to join our team in Annapolis, Maryland (US-MD), United States (US).

As the Service Design Manager, you will be a technical leader for a large-scale network modernization program serving public-sector clients across Maryland. The responsibilities of a Service Catalogue Management, Service Level Management, Capacity Management, Availability Management, IT Service Continuity Management, Information Security and Supplier Management.

You will define the target architecture, produce HLD/LLD artifacts, govern standards and patterns, and lead the end-to-end technical delivery across core backbone, SD‑WAN, security services, observability, and operations integration. You are the single point of accountability for engineering decisions and design quality, partnering with the Program Director, Operations leadership (NOC/SOC), and agency stakeholders to ensure outcomes that are resilient, secure, and compliant.

This role blends deep hands‑on design with executive communication, guiding multi‑vendor solutions and cross‑functional engineering teams through buildout, migration, and steady‑state operations. The individual will direct all aspects of engineering and design concerns for the service, with authority over staff and subcontractors. The Design Manager will also contribute to large-scale sales and pre‑sales engagements, practice maturity, and the development of innovative solutions.

• Define Service Requirements
• Translate business, customer and technical requirements into clear network service specifications
• Create End to End Service Designs
• Develop high level and detailed designs that describe how the network service will work from end to end
• Document network capacity plans, routing, resilience and operational processes.
• Coordinate Across Technical Teams
• Promote capabilities and offerings to internal groups, partners, and clients; present roadmaps, reference architectures, and proof points.
• Work with Engineering, architecture, Network Operations (NOC), field engineers, and vendors to ensure alignment
• Ensure Operational Readiness
• Define how the service will be supported (fault management monitoring, maintenance).
• Prepare support documentation for operations teams and ensure handover to NOC/SOC.
• Manage Service Impact of Project Changes
• Assess how design changes or network upgrades will affect existing services.
• Ensure continuity, resilience and minimal customer interruption.
• Cross‑Functional Leadership & Collaboration
• Facilitate collaboration among sales, pre‑sales, delivery, operations, and security teams to ensure seamless design‑to‑run transitions.
• Blend technology and business strategy to develop compelling, outcome‑based solutions; articulate value in executive terms.
• Risk and Issues Management
• Identify risks to service design, delivery or stability.
• Develop migration plans (e.g. backup routes, redundancy, scheduling windows)
• Talent Development
• Coach and mentor solution architects and sales teams; develop technical career paths, training plans, and communities of practice.
• Core Technology Scope
• Backbone & Routing: MPLS L3
  
  VPN, VRF/VRF‑lite, BGP, OSPF/IS‑IS, QoS/CoS, multicast (as applicable), IPv6 addressing and dual‑stack…