A global professional services organization is seeking a Senior Security Architect to help establish and mature its enterprise security architecture capability. This senior individual-contributor role will combine architecture strategy with hands-on technical work. The architect will review new systems and solutions, identify security gaps, define controls and reusable security patterns, evaluate security technologies, and guide secure adoption across cloud, hybrid infrastructure, applications, identity, data, and emerging AI capabilities. The successful candidate should be comfortable working in an evolving environment and turning ambiguity into repeatable security architecture practices. RESPONSIBILITIES Build and continuously improve the enterprise security architecture framework and target-state roadmap.Establish repeatable architecture-review processes, security standards, and reusable reference patterns.Review new applications, platforms, infrastructure, and integrations to identify security risks and required controls.Architect secure solutions across Azure, hybrid infrastructure, cloud services, identity, data, applications, endpoints, networks, and containerized environments.Define practical security standards for enterprise adoption of AI-enabled tools and services.Evaluate security technologies and vendors through technical requirements analysis, proof-of-concept work, testing, and integration planning.Partner with technology stakeholders to drive remediation and secure-by-design practices.Translate emerging threats and technologies into architecture priorities and measurable security improvements. Role Requirements 10+ years of experience across IT or information security.At least 5 years of enterprise or security architecture experience.Demonstrated experience building, formalizing, or materially improving a security architecture practice.Strong hands-on security architecture and engineering depth.Strong Azure and enterprise cloud-security experience.Practical knowledge of AI/ML security and enterprise AI adoption risks.Broad depth across infrastructure security, IAM, data protection, and application security.Experience with architecture reviews, reusable patterns, technical standards, and system-hardening guidance.Experience evaluating security tools and vendors, including proof-of-concept work.Strong communication and stakeholder-management skills.Bachelor's degree in information security, IT, a related discipline, or equivalent experience. PREFERRED EXPERIENCE CISSP, CCSP, CISM, or similar professional certification.Experience supporting a global enterprise.Deep hybrid-cloud or container-security experience.Strong infrastructure-engineering background.Experience incorporating threat intelligence into architecture strategy.