Job Description

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, apply now.



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, apply now.



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

Position Summary

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 Design Manger are to be the manager for 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.

Key Outcomes & Responsibilities

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 L3VPN, VRF/VRF?lite, BGP, OSPF/IS?IS, QoS/CoS, multicast (as applicable), IPv6 addressing and dual-stack integration. + SD?WAN: Policy-based path selection, DIA/MPLS/broadband underlay diversity, controller design, segmentation, ZTP at scale, and app telemetry.
+ Security: NGFW (FTD/FMC, Palo Alto, Fortinet), IPS, DDoS mitigation, site VPN, AAA, segmentation, NAC integration, secure management VRFs.
+ Internet & Cloud Gateways: Redundant Internet egress, IX peering where applicable, cloud interconnects (Azure/AWS/GCP), NAT, DNS/DHCP/IPAM (Infoblox or equivalents).
+ Observability: Catalyst Center use-cases, ThousandEyes probes, NetFlow/IPFIX, syslog, SNMPv3, telemetry/streaming, Grafana dashboards, SLO/SLA instrumentation.
+ Operations & Automation: Event correlation tooling, configuration automation (Ansible, Python), standardized templates, compliance checks, and CI/CD for network changes.

Minimum Qualifications

10-15+ years

in large-scale network engineering/architecture, with

7+ years

leading multi-agency or enterprise programs. + Minimum of eight

(8) years' experience

leading/supervising an engineering team responsible for services similar in size and scope in IT infrastructure management. Bachelor's Degree from an accredited college or university in Engineering, Computer Science, Information Systems, Business, or other related discipline. A Master's degree or higher and project management certification is preferred. Hybrid/onsite presence in Maryland area to engage with agency stakeholders, governance bodies, and operations teams.

Preferred Qualifications

Proven leadership designing and governing

MPLS/IP backbones

,

SD?WAN

,

Internet gateways

, and

security architectures

at statewide or enterprise scale. Hands-on mastery of

BGP

,

QoS

,

IPv6

,

VRF/VRF?lite

,

IPSEC

, and

HA

patterns; demonstrable vendor depth (Cisco, Fortinet, Juniper). Extensive knowledge of network management, monitoring, and design solutions. Experience integrating

NOC/SOC

, ITSM platforms, event correlation, and observability stacks; strong bias for automation and repeatability. Executive-grade communication: able to articulate complex trade-offs, negotiate standards, and influence cross-functional leadership. In-depth experience creating and managing infrastructure outsourcing solutions and cost models. Experience performing complex technical analysis of software, hardware, and network systems. Experience with managed network services and various network tools and hardware vendor products. Availability to lead critical cutovers, incident response escalations, and executive reviews during high-importance events. Ownership of design authority: you make final calls on architecture patterns, balancing risk, cost, schedule, and operability. CCIE (Routing & Switching/Enterprise/Service Provider) strongly preferred; CCNP/CCDA as applicable. Security certifications (CISSP, GIAC) and ITIL Foundation; familiarity with COOP planning. Prior experience with Maryland public-sector programs and Rule 60GG project governance highly preferred. Experience with cloud network architecture (Azure/AWS/GCP), IX peering, and DDoS mitigation services. Demonstrated success driving multi-vendor standards, cost models, and technical due diligence in RFP/RFI contexts. Network technical thought leadership and organizational agility.

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 50 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start-up partners. NTT DATA is a part of NTT Group, which invests over $3 billion each year in R&D.



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