Senior Security Engineer, Serving Layer and Platform Security, DeepMind

gTech Ads is responsible for all support and media and technical services for customers big and small across the entire Ad products stack. We help the customers get the most out of the Ad and Publisher products and guide them when they need help. We provide a range of services from enabling better self help and in-product support, to providing better support through interactions, setting up accounts and implementing ad campaigns, and providing media solutions for customers business and marketing needs and providing complex technical and measurement solutions along with consultative support for our large customers. These solutions range from bespoke and customized ones for our top customers to scalable support for millions of customers worldwide. The gTech Strategy and Operations organization ensures gTech’s complex and ever-evolving Ads business runs smoothly. In this role, you are instrumental in setting strategy, and ensuring flawless execution and operations against the strategy. Team members are analytical and strategic, with a pragmatic sense of how to get things done. Google creates products and services that make the world a better place, and gTech’s role is to help bring them to life. Our teams of trusted advisors support customers globally. Our solutions are rooted in our technical skill, product expertise, and a thorough understanding of our customers’ complex needs. Whether the answer is a bespoke solution to solve a unique problem, or a new tool that can scale across Google, everything we do aims to ensure our customers benefit from the full potential of Google products.

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Responsibilities

• Evaluate and harden GDM’s core serving infrastructure (Beyond, Agency, AI Studio APIs) and inference pipelines.

• Develop and maintain threat models covering GDM serving layers and inference workloads. Model attack vectors unique to frontier AI, including prompt injection mitigation, tool-calling hardening, multi-tenant data boundary protection, and API surface security.

• Build secure-by-default libraries, reference architectures, and deployment templates that embed infrastructure security into GDM’s deployment pipelines and serving stacks.

• Participate in the team's operational security rotation (on-call).

Qualifications Minimum qualifications:

• Bachelor's degree in Computer Science, Cybersecurity, Electrical/Computer Engineering, or equivalent practical experience.

• 5 years of experience in security engineering, platform security, infrastructure hardening, network protocols, or systems security architecture.

• 5 years of experience in security operations (e.g., operational security monitoring, incident response, vulnerability triage, rotational on-call duty, or threat hunting).

• 5 years of coding experience in one or more systems programming languages (e.g., C, C++).

Preferred qualifications:

• Experience securing large-scale distributed serving infrastructure, core API development, multi-tenant data architectures, etc.

• Demonstrated experience conducting variant analysis, developing security mitigations, and responding to high-severity infrastructure incidents in a production environment.

• Expertise in workload isolation, Linux kernel security, TPU/GPU architecture security, or hardware-backed root-of-trust models.

• Technical understanding of frontier AI security challenges, including prompt injection containment, secure agentic tool execution, and inference memory safety.