Senior Software Security Engineer

• Safeguard AI systems and maintain the trust of users and society at large within the Security Engineering team. • Build security for large-scale AI clusters implementing robust cloud security architecture. • Design secure-by-design workflows and secure CI/CD pipelines across services helping build secure cloud infrastructure.

• Have 5 to 15 or more years of software engineering experience implementing and maintaining critical systems at scale. • Have strong software engineering skills in Python or at least one systems language such as Go, Rust, or C/C++. • Have experience managing infrastructure at scale with DevOps and cloud automation best practices. • Have a track record of driving engineering excellence through high standards, constructive code reviews, and mentorship. • Have proven ability to lead cross-functional security initiatives and navigate complex organisational dynamics. • Have outstanding communication skills translating technical concepts effectively across all organisational levels. • Have demonstrated success in bringing clarity and ownership to ambiguous technical problems. • Have strong systems thinking with ability to identify and mitigate risks in complex environments. • Have experience supporting fast-paced startup engineering teams.

• Have experience designing and hardening CI/CD pipelines against supply chain attacks through isolated environments, signed attestations, dependency verification, and automated policy enforcement. • Have experience building secure development workflows through hardened remote environments. • Have experience implementing network segmentation and access controls in cloud environments. • Have experience managing infrastructure through automated configuration and policy enforcement. • Have experience hardening containerised applications and enforcing security policies.

• Build security for large-scale AI clusters implementing robust cloud security architecture including IAM, network segmentation, and encryption controls. • Design secure-by-design workflows and secure CI/CD pipelines across services with expertise in various cloud environments, Kubernetes security, container orchestration, and identity management. • Ship and operate secure high-reliability services using Infrastructure-as-Code practices and GitOps workflows. • Apply deep expertise in threat modelling and risk assessment to secure complex multi-cloud environments. • Mentor engineers and contribute to hiring and growth of the Security team.

• Earn £240,000 to £325,000 annual salary. • Receive competitive compensation and benefits. • Access optional equity donation matching. • Benefit from generous vacation and parental leave. • Enjoy flexible working hours. • Work from the London office at least 25% of the time. • Receive visa sponsorship support.

Anthropic mission is to create reliable, interpretable, and steerable AI systems that are safe and beneficial for users and society. The Security Engineering team mission is to safeguard AI systems and maintain the trust of users and society at large whether developing critical security infrastructure, building secure development practices, or partnering with research and product teams.