Network Service Design Manager

Network Service Design ManagerNTT 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). Position SummaryAs 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 Manager 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 & ResponsibilitiesDefine 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 Qualifications1015+ 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. Hybrid/onsite presence in Maryland area to engage with agency stakeholders, governance bodies, and operations teams. Preferred QualificationsA Master's degree or higher and project management certification is preferred. 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. Where required by law, NTT DATA provides a reasonable range of compensation for specific roles. The starting pay range for this role is $115,000 - $190,000. Actual compensation will depend on a number of factors, including the candidate's relevant experience, technical skills, and other qualifications. This position may also be eligible for incentive compensation based on individual and/or company performance. This position is eligible for company benefits including medical, dental, and vision insurance with an employer contribution, flexible spending or health savings account, life and AD&D insurance, short and long term disability coverage, paid time off, employee assistance, participation in a 401k program with company match, and additional voluntary or legally-required benefits. NTT DATA is a part of NTT Group, which invests over $3 billion each year in R&D.