Staff AI Infrastructure Engineer at Proofpoint

Cork, County Cork, Ireland

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Not SpecifiedCompensation

Senior (5 to 8 years)Experience Level

Full TimeJob Type

UnknownVisa

CybersecurityIndustries

Requirements

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-enhancing technologies

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 Proofpoint’s platform
Mentor engineers across teams, fostering technical excellence, knowledge sharing, and a culture of innovation

Skills

Key technologies and capabilities for this role

Machine LearningTransformersAI InfrastructureCybersecurityCloud Computing

Questions & Answers

Common questions about this position

What is the location for this Staff AI Infrastructure Engineer role?

The role is based in Cork, Ireland, with the team expanding its presence there to focus on advanced AI applications.

What are the main responsibilities of this position?

You will lead the design and implementation of secure, scalable cloud infrastructure for AI, drive architectural decisions, set engineering standards, collaborate across teams, mentor engineers, and shape the long-term direction of AI operationalization.

What is the salary or compensation for this role?

This information is not specified in the job description.

What are Proofpoint's core values and company culture like?

Proofpoint is guided by BRAVE core values: Bold, Responsive, Accountable, Visionary, and Exceptional. The AI Forge team thrives on advancing cutting-edge research, building high-impact solutions, and enabling a collaborative and innovative culture.

What makes a strong candidate for this Staff AI Infrastructure Engineer role?

Strong candidates will have technical leadership experience in designing secure, scalable AI infrastructure, expertise in cloud technologies, and the ability to mentor engineers while collaborating across research, product, and security teams.

Proofpoint

Cybersecurity solutions for email and digital communication

About Proofpoint

Proofpoint specializes in cybersecurity, focusing on protecting organizations from advanced threats and compliance risks. The company offers a range of solutions that secure email, social media, and other digital communication channels against cyber threats like phishing, malware, and ransomware. Its products work by utilizing advanced technologies, including machine learning and artificial intelligence, to detect and respond to threats in real-time. Proofpoint differentiates itself from competitors by providing user-friendly solutions that easily integrate into existing IT systems, along with subscription-based services that allow clients to select service tiers tailored to their needs. The company's goal is to enhance the cybersecurity defenses of various organizations, from large enterprises to small businesses, ensuring their digital communications remain secure.

Sunnyvale, CaliforniaHeadquarters

2002Year Founded

$55.4MTotal Funding

IPOCompany Stage

Cybersecurity, AI & Machine LearningIndustries

1,001-5,000Employees

Benefits

Health, dental, & vision

Employer-paid life, disability & employee assistance programs

Unlimited PTO

401K match

Remote work option

Risks

Integration challenges with Tessian and Illusive could disrupt operations.

Regulatory scrutiny may delay acquisition closings, affecting strategic plans.

Reliance on AI poses risks if technologies fail to adapt to new threats.

Differentiation

Proofpoint leverages AI and machine learning for real-time threat detection.

The company offers a comprehensive suite of cybersecurity solutions for digital communication.

Proofpoint's subscription-based model ensures recurring revenue and flexible service tiers.

Upsides

Acquisitions of Tessian and Illusive enhance AI-driven threat protection capabilities.

Growing demand for ITDR solutions boosts Proofpoint's market position.

Increased focus on AI-driven email security solutions aligns with industry trends.

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