Infrastructure Architect

Job Family Group / Job Family: Technology / Architecture

Role Summary

Defines end-to-end infrastructure architecture — compute, storage, network, and cloud — for Aon's global technology estate, ensuring designs are scalable, secure, resilient, and aligned with enterprise technology strategy and standards worldwide.

Key Responsibilities

•     Develop infrastructure architecture blueprints, reference architectures, and technology roadmaps

•     Evaluate and select infrastructure technologies and platforms across on-premises, hybrid, and multi-cloud environments

•     Lead design reviews and provide architectural governance across infrastructure projects

•     Define non-functional requirements: availability, disaster recovery, performance, scalability, security

•     Partner with security, network, and application architects to ensure end-to-end solution integrity

•     Guide migration and modernization initiatives (data center exit, cloud migration, hybrid connectivity)

•     Produce architecture decision records (ADRs) and maintain architecture documentation/standards

•     Mentor infrastructure engineers and provide technical leadership on complex initiatives

Required Qualifications & Experience

•     Bachelor's degree in Computer Science, Engineering, or a related field; relevant Master's a plus

•     10+ years in infrastructure engineering, with 3+ years in an architect-level role

•     Certifications such as TOGAF, or AWS/Azure/GCP Solutions Architect, preferred

•     Demonstrated experience architecting hybrid/multi-cloud environments at enterprise scale

Technical Skills

•     Enterprise architecture frameworks (TOGAF or equivalent)

•     Compute, storage, and network architecture across on-premises and cloud (AWS/Azure/GCP)

•     Virtualization (VMware), containers/Kubernetes, disaster recovery/business continuity design

•     Security architecture fundamentals (zero trust, network segmentation, IAM)

•     Capacity planning and performance engineering

•     Architecture documentation and diagramming (e.g., ArchiMate, Visio, Lucidchart)

Core Competencies

•     Strategic and systems thinking

•     Technical leadership and mentoring

•     Stakeholder management across business and technology

•     Strong communication of complex concepts to varied audiences

•     Balancing innovation with risk and governance