Senior Cloud Security Engineer

Salary: £58,000 - 98,000 per year

Requirements:

• 5+ years of experience in cloud security, or in security-focused infrastructure/DevOps engineering.
• Hands-on experience securing containerized environments and Kubernetes.
• Strong understanding of AWS, ideally also GCP, and infrastructure-as-code solutions.
• Proficiency in one or more programming or scripting languages, such as Python, for automation.
• Experience working with cloud security posture management or similar security tooling.
• A self-starter and problem solver who can own problems end to end, drive projects with minimal direction, and communicate clearly across teams.
• Experience across multiple clouds, especially AWS and GCP.
• Experience integrating security into CI/CD pipelines and DevOps/GitOps workflows.
• Hands-on experience with threat modeling and security architecture reviews.
• Hands-on experience working with compliance requirements and turning them into technical controls.
• Contributions to security communities, open-source projects, or security research.
• Relevant security certifications, such as CKS.

Responsibilities:

• Design, develop, and automate security controls for cloud infrastructure across AWS and GCP.
• Maintain, integrate, and scale cloud security tooling, such as cloud security posture management and vulnerability platforms.
• Investigate and remediate security vulnerabilities in cloud infrastructure, driving remediation through to closure.
• Design and build access controls across cloud and Kubernetes environments, applying zero-trust principles.
• Partner with incident response teams to build detections for cloud infrastructure and help analyze and mitigate security incidents affecting products.
• Develop security standards and guardrails for other engineering teams and embed them into CI/CD and GitOps workflows.
• Work with compliance teams to ensure adherence to frameworks such as ISO 27001, SOC 2, and GDPR, translating requirements into practical technical controls.
• Conduct architecture reviews, threat modeling, and code reviews to identify security risks, collaborating closely with engineering and product teams.
• Lead security projects independently by scoping, planning, and driving cross-functional work to completion.

Technologies:

• AI
• AWS
• CI/CD
• Cloud
• DevOps
• GCP
• GitOps
• Kubernetes
• Python
• Security

More:

We are AlphaSense, a market intelligence platform trusted by over 6,000 enterprise customers, including a majority of the S&P 500. We combine proven AI with a vast universe of public and private content to help professionals make smarter decisions. Following our acquisition of Tegus in 2024, we are expanding our product and content capabilities to deliver even deeper insights. We are headquartered in New York City, have more than 2,000 employees globally, and operate offices in the U.S., U.K., Finland, India, Singapore, Canada, and Ireland. This Senior Cloud Security Engineer role is remote within the UK and sits within our cloud security team, where we offer high autonomy, ownership, and a collaborative, security-minded engineering culture, along with competitive compensation, benefits, and career growth opportunities.

last updated 36 week of 2026