Domain Architect - Campus Network Infrastructure, Senior Specialist
Vanguard
Other Engineering, IT
Pennsylvania, 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 and governs enterprise campus network architectures, including wired access, wireless LAN (WLAN), and edge connectivity designs.
- Provides architectural leadership for network access control (NAC) solutions, including Cisco ISE/HPE ClearPass, covering authentication, authorization, profiling, posture assessment, and policy enforcement.
- Establishes standards for secure user and device onboarding, guest access, BYOD, IoT connectivity, and Captive Portal authentication, across campus environments.
- Ensures campus network designs align with zero trust principles, identity‑based segmentation, and enterprise security standards.
- Defines patterns for integrating campus networks with data center, WAN, SD‑WAN, and cloud connectivity architectures.
- Partners with endpoint, identity, security operations, and workplace technology teams to ensure consistent end‑to‑end user experience and policy enforcement.
- Identifies opportunities for platform monitoring, observability, and alerting.
- Evaluates campus networking technologies and vendors based on scalability, operational simplicity, resiliency, user experience, and lifecycle alignment.
- 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.
- Deep expertise in campus networking architectures, including LAN, Cisco Catalyst Center, WLAN, Aruba Central, AAA, QoS, and edge design patterns.
- Architectural experience with Cisco ISE and HPE ClearPass, including identity services, policy sets, integrations with directory services, and enforcement models.
- Strong hands‑on architectural experience with HPE Aruba wireless solutions, including RF design, mobility services, Captive Portal, and enterprise‑scale deployments.
- Solid understanding of identity‑based networking, segmentation, and zero trust access models in campus environments.
- Experience integrating campus networks with security platforms, endpoint management, and enterprise authentication services.
- Strong knowledge of high‑availability, resiliency, and operational governance for large‑scale globally distributed campus infrastructures.
- Experience with building wide Cellular Distributed Antenna Systems (DAS) including 4G/5G network support.
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.