Data Architecture Lead: Enterprise Platform & Data Strategy

Arthur J. Gallagher & Co. (AJG); Rolling Meadows (IL); On-site; USD 150,000 - 190,000; Full time

Benefits offered by this job

Competitive compensation

Comprehensive benefits

Career development opportunities

Collaborative, people-first culture

Global reach with local impact

Job summary

Gallagher is seeking a Data Architect Lead to define and evolve enterprise data architecture standards for the OneSource Data Platform. You will partner with engineering, product, analytics, governance, and delivery teams to ensure scalable, secure data platforms that support analytics and reporting.

The role emphasizes leadership, mentorship, and collaboration across global teams, with opportunities to influence architectural decisions and drive data quality, lineage, and governance at scale.

Qualifications

• 7+ years leading data architecture, data engineering, or analytics architecture in corporate settings.
• Strong leadership and mentorship experience to bring ideas to reality.
• Experience running a data architecture function in large, global organizations a plus.
• Strong data modeling and architecture expertise.
• Brokerage or Insurance industry experience preferred.
• Experience with cloud platforms, data warehouses, integration patterns, metadata, governance, and data quality.
• Excellent stakeholder communication and documentation skills.
• Experience in AI readiness and building semantic/context layers a plus.

Responsibilities

• Evolve/transform the data architecture discipline for the OneSource data platform.
• Mentor and guide data architects, engineers, analysts, and solution teams.
• Align data architecture resources across development squads.
• Partner with engineering to define data platform, data warehouse, and data lakehouse designs.
• Define data lineage, metadata, quality, stewardship, and governance considerations.
• Design conceptual, logical, and physical data architectures for analytics and reporting.
• Lead architecture reviews and contribute to ADRs.
• Document standards, reference architectures, patterns, and data modeling guidance.
• Define, manage, and evolve data architecture tooling.
• Support roadmap planning, technology evaluations, and strategic initiatives.

Skills

Leadership

Mentorship

Data architecture

Data modeling

Cloud platforms

Governance

Stakeholder comms

Job description

Gallagher is seeking a Data Architect Lead to define and evolve enterprise data architecture standards for the OneSource Data Platform. You will partner with engineering, product, analytics, governance, and delivery teams to ensure scalable, secure data platforms that support analytics and reporting.

The role emphasizes leadership, mentorship, and collaboration across global teams, with opportunities to influence architectural decisions and drive data quality, lineage, and governance at scale.