Principal Consultant
Listed on 2026-02-19
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IT/Tech
IT Consultant, IT Project Manager
Make an impact with NTT DATA
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Your day at NTT DATAThe Principal Consultant – Secure Networking (Delivery‑Focused) is a senior technical leader responsible for owning the successful delivery of complex, secure networking engagements across enterprise and regulated environments. This role requires deep hands‑on expertise in networking technologies and the ability to lead delivery teams through design, implementation, migration, and optimization phases.
The Principal Consultant is accountable for technical quality, delivery outcomes, and client satisfaction, while ensuring secure networking solutions integrate seamlessly across multiple technology towers including security, cloud, and data center.
Delivery Ownership & Execution- Own end-to-end delivery of secure networking engagements from design through implementation and stabilization
- Act as the senior technical escalation point for complex networking and security challenges
- Ensure solutions are delivered on time, within scope, and aligned with contractual and architectural commitments
- Lead cutovers, migrations, and transformations with minimal business disruption
- Design, build, and optimize enterprise network solutions including:
- LAN/WAN and routing & switching
- SD‑WAN deployments and WAN modernization
- Internet edge, branch, and campus networking
- Network segmentation and secure access architectures
- Apply security‑by‑design principles including zero trust, defense‑in‑depth, and least privilege
- Validate designs through hands‑on configuration, testing, and troubleshooting
- Lead delivery across multiple technology towers, including:
- Networking & Connectivity
- Network Security (firewalls, IDS/IPS, secure remote access)
- Cloud & Hybrid Connectivity
- Data Center & Colocation
- Coordinate with security, cloud, and data center teams to ensure integrated, end‑to‑end delivery
- Manage technical dependencies, risks, and inter‑tower handoffs
- Enforce delivery standards, best practices, and design consistency
- Review and approve detailed designs, configurations, and implementation plans
- Ensure documentation, runbooks, and operational handover artifacts meet enterprise standards
- Support operational readiness, knowledge transfer, and post‑go‑live stabilization
- Serve as the primary technical delivery lead for client engagements
- Communicate delivery status, risks, and mitigation plans to client stakeholders
Build credibility through hands‑on expertise and consistent delivery excellence - Support delivery‑related aspects of SOWs, estimates, and change requests
- Support presales activities including solution shaping, RFP/RFI responses, and client presentations
- Provide technical leadership on proposals, estimates, and solution positioning
- Mentor and coach senior and mid‑level consultants and engineers
- Contribute to practice development, standards, and reusable assets
- Deep vertical/domain/industry expertise coupled with deep networking consulting knowledgement and client engagement experience, demonstrating good experience in client needs assessment and change management.
- Knowledge and understanding of IT industry environment and business needs.
- Excellent understanding of business transformation coupled with strategic thinking ability.
- Strong problem‑solving and analytical skills.
- Interpersonal skills with the ability to develop and maintain strong stakeholder relationships.
- Ability to work with a variety of internal and external stakeholders to ensure that the delivery of business transformation.
- Extensive knowledge of systems, software, and programming languages.
- Ability to focus on detail with an understanding of how it impacts the business strategically.
- Excellent client service orientation.
- Ability to work in high‑pressure…
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