Domain Architect - Cybersecurity

Job Description Summary

The OhioHealth Cybersecurity Domain Architect spearheads enterprise-wide cybersecurity design and technical leadership across all major security domains, including network security, endpoint security, data protection, AI security, cloud security, identity and access management, vulnerability management, threat intelligence and penetration testing, and governance, risk, and compliance. This role partners with engineering, operations, and business teams to define secure operating models, establish scalable security patterns, guide risk-based decision-making, and ensure security capabilities are integrated consistently across technology platforms, projects, and organizational processes. This is a hybrid position in Columbus, OH.
Responsibilities and Duties

Domain Strategy & Standards (40%)

Define and maintain domain‑specific architecture vision, roadmap, standards, and reference architectures
Establish domain patterns, best practices, and design principles for consistent implementation
Align domain architecture with enterprise architecture strategy and business objectives
Identify and prioritize domain modernization opportunities and technical debt reduction
Develop and maintain domain technology roadmaps in coordination with Enterprise Architecture
Govern domain-level architectural decisions and ensure compliance with enterprise standards
Technical Expertise & Guidance (25%)

Serve as the principal subject‑matter expert for domain‑specific technologies and platforms
Evaluate and recommend domain technologies, tools, and vendor solutions
Conduct proof‑of‑concept initiatives to validate domain technology choices
Stay current with emerging technologies and industry trends within the domain
Provide technical guidance on domain‑specific design patterns, security, and performance
Assess build‑vs‑buy options for domain components and provide recommendations
Collaboration & Stakeholder Engagement (20%)

Partner with Solution Architects and delivery teams to ensure domain standards are applied correctly
Collaborate with Enterprise Architect and Portfolio Architects on cross‑domain initiatives
Communicate domain strategy, standards, and trade‑offs to technical and business stakeholders
Participate in architecture governance processes and represent domain perspective in review boards
Coordinate with other Domain Architects to ensure interoperability and integration across domains
Engage with vendors and industry partners to leverage domain expertise and best practices
Mentoring & Quality Assurance (15%)

Mentor Solution Architects and technical teams on domain architecture principles and patterns
Conduct domain‑focused architecture reviews to ensure design integrity and standards compliance
Identify domain risks, dependencies, and architectural gaps; propose mitigation strategies
Promote domain best practices and foster technical excellence within the domain community
Contribute to lessons learned and continuous improvement of domain architecture practices
Success Measures

Consistent adoption of domain standards
Reduced duplication and fragmentation
Improved stability, performance, and security
Clear domain roadmaps aligned with enterprise strategy
Minimum Qualifications

8+ years of experience within a specific technical or business domain
Deep hands‑on expertise in domain platforms and architectures
Experience influencing standards across teams
Strong analytical and communication skills
Specialized Knowledge

Data: DAMA‑CDMP, Cloud Data Engineer
Integration: MuleSoft or Boomi Architect
Security: CISSP, CISM, or CCSP
Infrastructure/Cloud: AWS or Azure advanced certifications

Desired Attributes

TOGAF® Foundation (Level 1)
ITIL® 4 Managing Professional
CISSP
ISSAP
CISM
Vendor or platform certifications relevant to the domain
Work Shift

Day
Department

IS Enterprise Architects
Equal Employment Opportunity

OhioHealth is an equal‑opportunity employer and fully supports and maintains compliance with all state, federal, and local regulations. OhioHealth does not discriminate against associates or applicants because of race, color, genetic information, religion, sex, sexual orientation, gender identity or expression, age, ancestry, national origin, veteran status, military status, pregnancy, disability, marital status, familial status, or other characteristics protected by law. Equal employment is extended to all persons in all aspects of the associate‑employer relationship including recruitment, hiring, training, promotion, transfer, compensation, discipline, reduction in staff, termination, assignment of benefits, and any other term or condition of employment.

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