Sr. Network Infrastructure Architect

Sr. Network Infrastructure Architect Vanguard's Global Technology Office (GTO) is seeking a Sr. Network Infrastructure Architect to provide enterprise-level architectural leadership across core network and telecommunications infrastructure and services. This role serves as a senior technical authority responsible for shaping long-term network infrastructure strategy, defining connectivity across application, campus and datacenter network domains. This position operates as a deep technical architecture leader within GTO—partnering with platform engineering, security, operations, and enterprise architecture to ensure network solutions are scalable, resilient, secure, and aligned to Vanguard's strategic objectives. Core Responsibilities: Provides the architectural leadership in shaping long-term strategic infrastructure technology programs and planning. Leverages deep technical knowledge through subscription research services and critical resources for related knowledge capital, inclusive of blogs, podcasts, and webinars. Attends conferences and engages in associated activities. Drives the design, planning, definition development of technology roadmaps, defines reference and implementation architectures, and develops proof-of-concept prototypes and initial implementation models. Ensures implementation of complex solutions support architecture objectives (availability, scalability, performance, security, etc.), as appropriate. Monitors implementation activities to ensure architecture and design principles are upheld. Participates in governance discussions and provides expertise to support critical decision-making, while utilizing advanced leadership skills especially in the areas of persuasion, influence, conceptualizing solutions and problem solving. Provides expertise and communicates complicated technical concepts effectively to a broad group of stakeholders. Oversees enterprise-wide projects and initiatives and ensures implementation activities uphold architecture and design principles. Establishes relationships with IT leaders, architects, and technical specialists. Partners with senior management and specialists in advancing proposed architectural solutions and ensuring availability of infrastructure technologies and support. Provides thought leadership on the competitive landscape and corporate and business unit strategies to provide context for architectural decision making. Manages projects and mitigates risks of introducing architecture technology enhancements, ensures best practices are followed and that IT project teams comply with IT Governance policies and procedures. Participates in special projects and performs other duties as assigned. Serves as the principal expert and authoritative voice on infrastructure architecture, influencing enterprise standards, policies, and strategic technology directions. Drives strategic analysis of integration, compatibility, and performance targets across multi-platform environments. Leads the development and evolution of enterprise-level infrastructure architecture frameworks by mapping interdependencies across IT systems, platforms, and transmission networks. Evaluates infrastructure design alternatives with a focus on enterprise-wide scalability, resilience, total cost of ownership (TCO), and long-term return on investment (ROI). What it takes: Minimum 12 years of relevant experience, with at least 8 years in progressively senior network infrastructure architecture roles. Bachelors in Computer Science, Information Technology, Electronics, or a related engineering field. M.Tech, M.S., MBA in Technology Management, strongly preferred. Proven experience in enterprise-scale IT transformation initiatives, architecture governance, and infrastructure modernization. Demonstrated leadership in defining and implementing strategic infrastructure technology roadmaps and standards across complex global environments. Deep expertise in architectural risk mitigation, IT policy compliance, and cross-functional stakeholder alignment. Strong ability to influence executive leadership and steer architecture decisions at the enterprise level. Special Factors Sponsorship Vanguard is not offering visa sponsorship for this position. About Vanguard At Vanguard, we don't just have a mission—we're on a mission. To work for the long-term financial wellbeing of our clients. To lead through product and services that transform our clients' lives. To learn and develop our skills as individuals and as a team. From Malvern to Melbourne, our mission drives us forward and inspires us to be our best. How We Work Vanguard has implemented a hybrid working model for the majority of our crew members, designed to capture the benefits of enhanced flexibility while enabling in-person learning, collaboration, and connection. We believe our mission-driven and highly collaborative culture is a critical enabler to support long-term client outcomes and enrich the employee experience. Vanguard