Senior Security Engineer, National Security

About the job

Our Security team works to create and maintain the safest operating environment for Google's users and developers. Security Engineers work with network equipment and actively monitor our systems for attacks and intrusions. In this role, you will also work with software engineers to proactively identify and fix security flaws and vulnerabilities.

The Google Public Sector (GPS) Cyber Defense and Security Operations (CDSO) Group leads our Security Operations function for a range of GPS platforms and services. Combining Mandiant's deep security expertise with Google technologies, our team sets the standard in Security Engineering, Assessment, and Operations across Government Cloud programs.

Individual pay is determined by factors including job-related skills, experience, and relevant education or training.

Minimum qualifications:

• Bachelor's degree or equivalent practical experience.
• 5 years of experience with security assessments or security design reviews or threat modeling.
• 5 years of experience with security engineering, computer and network security and security protocols.
• 5 years of coding experience in one or more general purpose languages.
• Must possess an active Top Secret/SCI security clearance with current polygraph.

Preferred qualifications:

• Master's degree or PhD in Computer Science, Artificial Intelligence, Cybersecurity, or a related technical field.
• Experience building, deploying, or evaluating AI-native solutions and generative AI technologies, including integrating LLMs or agentic workflows into complex operational environments.
• Experience in offensive security, red teaming, or advanced pen testing, with the ability to apply an attacker's mindset to infrastructure defense and defensive engineering.
• Experience in Developer Security Operations practices, including designing high-performance evaluation pipelines, building security automation, and integrating security controls directly into Continuous Integration (CI)/Continuous Deployment (CD) workflows.

Responsibilities

• Identify security issues and implement and design security controls, tools, and services to improve security systems and processes.
• Create custom AI-driven detections and workflows. Lead the design of automated, AI-native offensive tools and simulation frameworks to identify vulnerabilities at scale.
• Implement monitoring strategies, response plans, and awareness programs. Optimize SIEM, IDS/IPS, and core security tools.
• Conduct ongoing threat hunts using intelligence. Perform forensic analysis and provide actionable post-incident guidance.
• Embed best practices into the Software Development Life Cycle (SDLC), building automated evaluation pipelines and guardrails for secure code deployment.