Senior Software Security Engineer · Anthropic

Sat, 18 Apr 2026 15:51:17 GMT
Engineering

Anthropic · London, UK · £240,000-£325,000 GBP · hybrid

Job Title: Senior Software Security Engineer

About the Role: The Security Engineering team's mission is to safeguard our AI systems and maintain the trust of our users and society at large. Whether we're developing critical security infrastructure, building secure development practices, or partnering with our research and product teams, we are committed to operating as a world-class security organization and keeping the safety and trust of our users at the forefront of everything we do.

Responsibilities:

Build security for large-scale AI clusters, implementing robust cloud security architecture including IAM, network segmentation, and encryption controls

Design secure-by-design workflows, secure CI/CD pipelines across our services, help build secure cloud infrastructure, with expertise in various cloud environments, Kubernetes security, container orchestration and identity management

Ship and operate secure, high-reliability services using Infrastructure-as-Code (IaC) practices and GitOps workflows

Apply deep expertise in threat modeling and risk assessment to secure complex multi cloud environments

Mentor engineers and contribute to hiring and growth of the Security team

Requirements:

5-15+ years of software engineering experience implementing and maintaining critical systems at scale

Bachelor's degree in Computer Science/Software Engineering or equivalent industry experience

Strong software engineering skills in Python or at least one systems language (Go, Rust, C/C++)

Experience managing infrastructure at scale with DevOps and cloud automation best practices

Track record of driving engineering excellence through high standards, constructive code reviews, and mentorship

Proven ability to lead cross-functional security initiatives and navigate complex organizational dynamics

Outstanding communication skills, translating technical concepts effectively across all organizational levels

Demonstrated success in bringing clarity and ownership to ambiguous technical problems

Strong systems thinking with ability to identify and mitigate risks in complex environments

Low ego, high empathy engineer who attracts talent and supports diverse, inclusive teams

Experience supporting fast-paced startup engineering teams

Passionate about AI safety and alignment, with keen interest in making AI systems more interpretable and aligned with human values

Salary: The annual compensation range for this role is £240,000-£325,000 GBP.

Experience Level: senior Employment Type: full-time Workplace Type: hybrid Category: Engineering Industry: Technology Salary Range: £240,000-£325,000 GBP Required Skills:

Cloud security architecture

IAM

Network segmentation

Encryption controls

Kubernetes security

Container orchestration

Identity management

Infrastructure-as-Code (IaC)

GitOps

Threat modeling

Risk assessment

DevOps

Cloud automation

Python

Go

Rust

C/C++

Preferred Skills:

Secure-by-design workflows

CI/CD pipelines

Secure cloud infrastructure

Cloud environments

Containerization

Identity and access management