Domain Architect - Application Delivery Infrastructure, Senior Specialist
Vanguard
Other Engineering, IT
United States · Pennsylvania, USA · Wayne, PA, USA
Posted on Mar 6, 2026
Core Responsibilities
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.
- Provides the architectural leadership in shaping strategic, infrastructure technology programs and planning
- Leverages knowledge capital available through subscription research services and critical resources for related knowledge capital, inclusive of blogs, podcasts, webinar, etc.
- Produces technology roadmaps, defines reference and implementation architectures, and develops proof-of-concept prototypes and initial implementation models.
- Ensures implementation solutions support architecture objectives (availability, scalability, performance, security, etc.), as appropriate, and monitors implementation activities to ensure architecture and design principles are upheld.
- Utilizes partnership skills especially in the areas of persuasion, influence, conceptualizing solutions and problem solving.
- Communicates complicated technical concepts effectively to a broad group of stakeholders.
- Establishes relationships with IT leaders, architects, and technical specialists for the purpose of advancing proposed architectural solutions, and ensuring availability of infrastructure technologies and support.
- Possesses deep understanding of the competitive landscape and corporate and business unit strategies to provide context for architectural decision making.
- Identifies and mitigates risks of introducing architecture technology enhancements, ensures that IT project teams comply with IT Governance policies and procedures.
- Participates in special projects and performs other duties as assigned.
- Defines enterprise application delivery architectures, including load balancing, traffic steering, and resiliency patterns.
- Leads the design and governance of F5 load balancer platforms supporting critical business applications.
- Establishes standards for L4/L7 traffic management, SSL offload, health monitoring, and high‑availability configurations.
- Ensures application delivery architectures align with performance, scalability, and security requirements.
- Partners with application, middleware, and security teams to ensure consistent end‑to‑end application flow design.
- Minimum of eight years related work experience, with at least three years of technology architect experience.
- Undergraduate degree or equivalent combination of training and experience. Graduate degree preferred.
- Strong expertise in application delivery and load balancing concepts.
- Architectural experience with F5 platforms, including enterprise‑scale deployments.
- Deep understanding of application traffic patterns, availability models, and performance optimization.
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.