Principal Cybersecurity Architect — Endpoint & AI

Workday, Inc.; Ireland; On-site; EUR 110,000 - 190,000; Full time

Job summary

Workday, Inc. is seeking a Principal Cybersecurity Engineer to lead the technical vision for endpoint privilege management across macOS and Windows.

You will architect scalable control frameworks, mentor engineers, and drive security posture improvements across the enterprise. You will collaborate with security leadership to align roadmaps, evaluate vendor engagements, and ensure robust defenses as Workday scales its AI-enabled developer tools and trusted automation.

Qualifications

• 8+ years of progressive cybersecurity engineering experience
• Bachelor's degree in Computer Science, Cybersecurity, Information Systems, or related field, or equivalent practical experience
• At least one advanced certification such as CISSP, GIAC Advanced Certification (GSEC, GDSA, GCIA), OSCP, or vendor‑equivalent architectural credentials

Responsibilities

• Set the technical vision, architectural standards, and execution boundaries for endpoint privilege management and least-privilege enforcement across macOS and Windows fleets.
• Design scalable application control frameworks that maintain security baselines while preserving developer agility and execution velocity.
• Architect and manage application control and runtime guardrail frameworks to govern developer tools, IDE extensions, local AI coding assistants, and open-source dependencies under least-privilege models.
• Establish enterprise authorization thresholds and runtime safeguards to enable safe AI adoption.
• Guide architectural strategy and implementation of automated intake, research, and policy-staging pipelines for evaluations, exception triage, and security reviews.
• Drive telemetry correlation and integration architectures linking endpoint controls with SSPM, EDR, and automation servers.
• Provide architectural oversight across EDR and SSPM platforms, advising on detection models and threat surface reduction.
• Bridge device telemetry and posture signals with enterprise asset correlation tools and cross-pillar orchestration layers.
• Serve as a mentor to junior and mid-level engineers, helping them grow technically and navigate operational challenges.
• Lead design reviews, promote engineering best practices, and uphold maintainability and operational rigor.

Job description

Workday, Inc. is seeking a Principal Cybersecurity Engineer to lead the technical vision for endpoint privilege management across macOS and Windows.

You will architect scalable control frameworks, mentor engineers, and drive security posture improvements across the enterprise. You will collaborate with security leadership to align roadmaps, evaluate vendor engagements, and ensure robust defenses as Workday scales its AI-enabled developer tools and trusted automation.