Staff AI Infrastructure Engineer

Cork - Ireland

Monthly Salary: Not Disclosed

Posted on: Yesterday

Vacancies: 1 Vacancy

Job Summary

About Us:
We are the leader in human-centric cybersecurity. Half a million customers including 87 of the Fortune 100 rely on Proofpoint to protect their organizations. Were driven by a mission to stay ahead of bad actors and safeguard the digital world. Join us in our pursuit to defend data and protect people.

How We Work:
At Proofpoint youll be part of a global team that breaks barriers to redefine cybersecurity guided by our BRAVE core values: Bold in how we dream and innovate Responsive to feedback challenges and opportunities Accountable for results and best-in-class outcomes Visionary in future-focused problem-solving Exceptional in execution and impact.

Corporate Overview
Proofpoint is a leading cybersecurity company protecting organizations greatest assets and biggest risks: vulnerabilities in people. With an integrated suite of cloud-based solutions Proofpoint helps companies around the world stop targeted threats safeguard their data and make their users more resilient against cyber-attacks. Leading organizations of all sizes including more than half of the Fortune 1000 rely on Proofpoint for people-centric security and compliance solutions mitigating their most critical risks across email the cloud social media and the web.

We are singularly devoted to helping our customers protect their greatest assets and biggest security risk: their people. Thats why were a leader in next-generation cybersecurity.

Protection Starts with People. Proofpoint.

About the Team

The AI Forge is an internal machine learning group that consults across Proofpoints entire product portfolio. Our team of ML scientists and engineers thrives on advancing cutting-edge research building high-impact solutions and enabling a collaborative and innovative culture. Over the past several years we have driven data-powered product features leveraging model architectures from classical methods to state-of-the-art transformers.

We are expanding our presence in Cork Ireland with a focus on applying advanced AI to Proofpoints Human-Centric Security strategy. This team will take on some of the companys most ambitious AI infrastructure and security challenges.

About the Role

As a Staff AI Infrastructure Engineer you will provide technical leadership in the design and evolution of our Privacy Attested AI Platform a cutting-edge system that ensures data confidentiality while powering advanced AI model training. You will drive architectural decisions set engineering standards and collaborate across research product and security teams to build resilient scalable AI infrastructure.

This role goes beyond implementation: you will shape the long-term direction of how Proofpoint operationalizes AI securely at scale mentor engineers across teams and influence both internal stakeholders and external cloud partners.

Responsibilities

Lead the design and implementation of secure scalable cloud infrastructure for AI using Infrastructure as Code (Terraform Helm etc.).
Architect and optimize infrastructure for distributed multi-GPU training and large-scale model deployment.
Define and enforce best practices for privacy-preserving AI systems aligned with GDPR CCPA the EU AI Act and other regulatory frameworks.
Partner with product research and security leaders to ensure AI infrastructure aligns with organizational strategy and compliance needs.
Evaluate and integrate emerging privacy-enhancing technologies into Proofpoints platform.
Mentor engineers across teams fostering technical excellence knowledge sharing and a culture of innovation.

Qualifications

Proven expertise in architecting and operating public cloud infrastructure (AWS GCP Azure) using tools such as Terraform.
Strong background in Linux containerization and orchestration systems (Kubernetes at scale).
Advanced proficiency in Python for automation infrastructure and platform services.
Deep knowledge of data security cryptographic methods and modern privacy-preserving approaches.
Demonstrated success in designing and operating cloud-based AI model training platforms and secure distributed systems.

Preferred Qualifications

Track record of setting technical strategy and guiding large-scale AI infrastructure initiatives.
Hands-on experience with privacy-preserving AI (federated learning differential privacy secure enclaves homomorphic encryption).
Expertise in AI security including adversarial threat models identity management and network security.
Familiarity with compliance and regulatory trends (GDPR CCPA AI Act) and ability to translate them into engineering requirements.
Experience mentoring and guiding engineers influencing without authority and driving cross-functional technical alignment.

#LI-Hybrid

Why Proofpoint At Proofpoint we believe that an exceptional career experience includes a comprehensive compensation and benefits package. Here are just a few reasons youll love working with us:

Competitive compensation

Comprehensive benefits

Learning & Development: We are committed to the growth and development of our team members offering a range of programs including leadership and professional development workshops stretch project assignments and mentoring opportunities to help employees reach their full potential.

Flexible work environment: Remote options hybrid schedules flexible hours etc..

Annual wellness and community outreach days

Always on recognition for your contributions

Global collaboration and networking opportunities

Our Culture:

Our culture is rooted in values that inspire belonging empower purpose and drive success-every day for everyone. We encourage applications from individuals of all backgrounds experiences and perspectives. If you need accommodation during the application or interview process please reach out to . How to Apply Interested Submit your application here We cant wait to hear from you!

Required Experience:

Staff IC

About Us:We are the leader in human-centric cybersecurity. Half a million customers including 87 of the Fortune 100 rely on Proofpoint to protect their organizations. Were driven by a mission to stay ahead of bad actors and safeguard the digital world. Join us in our pursuit to defend data and prote...