Infrastructure Security Engineer

xAI • Full-time • bay area • 1d ago

About xAI

xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge.

Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. Engineers are encouraged to work across multiple areas of the company, and as a result, all engineers and researchers share the title "Member of Technical Staff."

We operate with a relatively flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important.

All engineers and researchers are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates.

xAI does not have recruiters. Every application is reviewed directly by a technical member of the team.

Role Overview:

We are seeking a talented and motivated Cloud/Infrastructure Security Engineer to join our security team. In this role, you will be responsible for designing, implementing, and maintaining secure cloud infrastructure and ensuring the integrity of our cloud-native applications.Key Responsibilities:

Design and implement secure cloud architectures across multiple cloud platforms (e.g., AWS, GCP, Azure)
Develop and maintain Infrastructure as Code (IaC) templates with embedded security controls
Conduct regular security assessments and audits of cloud infrastructure and services
Implement and manage cloud security tools and services (e.g., CSPM, CWPP, CASB)
Collaborate with development teams to ensure security best practices are integrated into CI/CD pipelines
Monitor and respond to security events and incidents in cloud environments
Develop and maintain cloud security policies, standards, and procedures
Stay current with emerging cloud security threats and mitigation strategies

Ideal Experience:

Bachelor's degree in Computer Science, Cybersecurity, or a related field
3-5 years of experience in cloud security or related roles
Strong understanding of cloud security principles, compliance frameworks, and best practices
Proficiency in at least one cloud platform (AWS, GCP, or Azure) and associated security services
Experience with Infrastructure as Code tools (e.g., Terraform, CloudFormation)
Familiarity with containerization technologies and their security implications
Knowledge of network security concepts and protocols
Experience with scripting languages (e.g., Python, Bash) for automation and tool development

Preferred Qualifications:

Relevant security certifications (e.g., CCSP, CSSK, AWS Security Specialty)
Experience with multi-cloud environments and cloud-to-cloud security
Knowledge of DevSecOps practices and tools
Familiarity with regulatory compliance requirements (e.g., GDPR, HIPAA, PCI DSS)
Experience with Kubernetes and container security