Subject Matter Expert(Network Design)

We are seeking a Senior Pre-Sales Infrastructure/Network Design Engineer to support client connectivity initiatives within the Infrastructure Platform organization. In this role, you will serve as a technical SME, leading the design of client-specific connectivity solutions and providing technical oversight throughout the onboarding lifecycle. This position is highly client-facing and requires strong expertise in extranet and network design, as well as the ability to understand how applications flow through firewalls, load balancers, routers, and related infrastructure.

•       Client Connectivity Design: Develop client-specific infrastructure and connectivity designs using approved solutions, with a primary focus on network and extranet architecture

•       Technical Solution Architecture: Partner with clients, application teams, service owners, and internal infrastructure teams to gather requirements and create end-to-end technical designs for new and existing client onboarding initiatives

•       Documentation & Design Artifacts: Create, update, and maintain high-quality technical documentation, including PowerPoint presentations and Visio diagrams, using standardized templates and customized adjustments as needed

•       Client-Facing Technical Leadership: Serve as a technical SME for external client connectivity, presenting designs and explaining architecture to clients, vendors, partners, and internal stakeholders

•       Application Flow Analysis: Understand and document how applications traverse private extranet connections and supporting infrastructure components, including firewalls, load balancers, and routers

•      Troubleshooting Support: Provide technical oversight and support for troubleshooting connectivity and application-flow issues across client onboarding and implementation efforts

•      Cross-Functional Coordination: Bring together teams across infrastructure, application support, deployment, and project management to drive high-quality solution design and smooth handoff to implementation teams

•       Tokenization Initiative Support: Contribute to strategic connectivity work related to tokenization and broader client infrastructure modernization efforts

•       10+ years of experience in network engineering, infrastructure engineering, or a related technical architecture role

•       Strong background in network engineering with deep understanding of extranet technology and private client connectivity models

•       Experience designing technical solutions for client onboarding, connectivity, or infrastructure integration projects

•       Ability to understand application flow across network infrastructure, including how applications interact with firewalls, load balancers, routers, and related components

•       Strong client-facing communication skills with the ability to present technical designs to external clients, vendors, and partners

•       Excellent technical writing and documentation skills, with strong proficiency in PowerPoint and Visio

•       Ability to support and manage technical troubleshooting efforts across cross-functional teams

•       Experience in securities, financial services, fintech, or other highly regulated technology environments

•       Bachelor’s degree in Engineering or a related technical field

•       Prior experience in a pre-sales engineering, solutions architecture, or client solutions architect capacity

•       Familiarity with Splunk, Forward Networks, or other network diagnostic and observability tools