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Principal Cybersecurity EngineerWorkday · Dublin, Dublin 1, Ireland
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Workday

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Principal Cybersecurity Engineer

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🗓️ Posted 2026-10-14 Dublin, Dublin 1, Ireland Full-time Hybrid ICT
💰 Salary Not shared 📊 Market 8,333 EUR–11,667 EUR/mo

About the Company

Your work days are brighter here. We're obsessed with making hard work pay off, for our people, our customers, and the world around us. As a Fortune 500 company and a leading AI platform for managing people, money, and agents, we're shaping the future of work so teams can reach their potential and focus on what matters most. The minute you join, you'll feel it. Not just in the products we build, but in how we show up for each other. Our culture is rooted in integrity, empathy, and shared enthusiasm. We're in this together, tackling big challenges with bold ideas and genuine care. We look for curious minds and courageous collaborators who bring sun-drenched optimism and drive. Whether you're building smarter solutions, supporting customers, or creating a space where everyone belongs, you'll do meaningful work with Workmates who've got your back. In return, we'll give you the trust to take risks, the tools to grow, the skills to develop and the support of a company invested in you for the long haul. So, if you want to inspire a brighter work day for everyone, including yourself, you've found a match in Workday, and we hope to be a match for you too. About the Team Workday Cybersecurity Governance, Risk, Compliance & Trust team builds and sustains trust in Workday's cybersecurity commitments by embedding a cybersecurity-first mindset, delivering cybersecurity assurance and enabling business growth. We act as trusted advisors and change agents across Workday to protect

Responsibilities

  • ● Champion the principle of translating security policies directly into testable, automated code to ensure non-bypassable compliance.
  • ● Conceptualize, architect, and champion the adoption of groundbreaking, enterprise-wide security architectures and strategic initiatives that address current and future threats at massive scale.
  • ● Lead applied research and innovation in security, anticipating future threats, evaluating disruptive technologies, and pioneering novel solutions to maintain Workday's security posture.
  • ● Establish, govern, and evolve the highest-level security architectural standards, principles, and patterns across the organization, ensuring their rigorous application and measurable effectiveness.
  • ● Mentor, inspire, and cultivate other engineers and senior technical leaders across Workday; drive a culture of profound security understanding, innovation, and accountability.
  • ● Advise executive leadership (VPs, Directors, C-suite) on critical security risks, strategic investments, and the company's overall security posture. Lead and unify security efforts across disparate engineering organizations on high-impact initiatives.
  • ● Solve the most complex, ambiguous, and high-stakes security challenges that require novel approaches and deep, multi-disciplinary expertise, often with company-wide implications.
  • ● Drive transformative security improvements across Workday's people, processes, and technology.
  • ● Basic Qualifications:
  • ● + years of distinguished, progressive experience in security engineering and architecture, with a demonstrable track record of setting technical vision, leading security architecture for large-scale, complex systems, and driving enterprise-wide security transformations.
  • ● Highly proficient in architecting, implementing, evolving, and securing complex, mission-critical services and infrastructure across multiple major cloud service providers (e.g., AWS, GCP, Azure) and large-scale enterprise environments.
  • ● Pioneering understanding and application of cloud security principles, advanced architectural patterns, and emerging technologies, with a history of defining and implementing industry-leading security controls.
  • ● Strong proficiency in at least one scripting language (e.g., Python, Go, Bash, Ruby) with the ability to develop automation for security operations, configuration management, and compliance.
  • ● Unparalleled expertise and recognized authority in multiple core security domains (e.g., network security, platform hardening, application security, data protection, identity and access management, cryptography) and their strategic interplay in complex, distributed ecosystems.
  • ● Other Qualifications:
  • ● Globally recognized industry certifications (e.g., AWS Certified Security - Specialty, Google Professional Cloud Security Engineer, Certified Kubernetes Administrator (CKA), Certified Kubernetes Security Specialist (CKS), CISSP, CISM, CCSP) and/or significant contributions to the security field (e.g., patents, influential open-source projects, published research).
  • ● Authoritative expertise in the secure-by-design architecture of Generative AI and Agentic systems. Proven ability to design secure Retrieval-Augmented Generation (RAG) pipelines, govern multi-agent orchestrations, and establish robust identity, memory, and authorization boundaries for autonomous AI workloads.
  • ● Expertise in advanced threat modeling, designing intrinsically secure systems and building resilient architectures against nation-state level actors or equivalent advanced persistent threats.
  • ● Proven ability to set strategy, drive adoption, and govern sophisticated, secure-by-design automation and Infrastructure as Code (IaC) paradigms across an entire engineering organization.
  • ● Authoritative expertise in defining security strategy and architectural best practices for specialized, large-scale systems such as distributed databases, big data platforms, AI/ML pipelines, and high-performance computing environments.