Hands-on Security Engineer: Cloud, App Security & DevSecOps

Huxley; Greater London; On-site; GBP 90,000 - 130,000; Full time

Job summary

Hedge Fund in London is seeking a hands-on Cyber Security Engineer to join a small, highly capable security team. You will secure Windows and Linux environments, strengthen endpoint controls, and shape cloud security across Azure.

You will partner with software engineers to embed security across the SDLC and drive application security initiatives from code reviews to threat modelling. The role offers significant breadth, ownership, and visibility, with opportunities to influence security across

Qualifications

• Solid hands-on experience securing Windows and Linux environments.
• Experience with endpoint security technologies including EDR/XDR platforms.
• Knowledge of cloud security principles and controls, ideally Azure.
• Experience with application security testing and secure development practices.
• Strong understanding of vulnerability management frameworks and tooling.
• Experience implementing security controls within CI/CD pipelines.
• Knowledge of DevSecOps principles and security automation.
• Familiarity with authentication, identity management, network security, and encryption technologies.

Responsibilities

• Protect and secure Windows and Linux environments across corporate and production infrastructure.
• Enhance endpoint security controls, monitoring, detection, and response capabilities.
• Help design, implement, and maintain cloud security controls across Azure and other cloud environments.
• Partner with software engineers to embed security throughout the Software Development Life Cycle (SDLC).
• Drive Application Security initiatives including secure code reviews, threat modelling, and vulnerability remediation.
• Build and improve DevSecOps capabilities within CI/CD pipelines.
• Lead vulnerability management activities, including scanning, prioritisation, risk assessment, and remediation tracking.
• Support incident response investigations and security monitoring activities.
• Develop security automation to improve operational efficiency and reduce risk.
• Contribute to security architecture reviews and technology assessments.
• Work closely with engineering, infrastructure, quant, and investment technology teams to ensure security is integrated into business-critical systems.

Skills

Windows and Linux security

EDR/XDR security

Azure cloud security

Application security testing

Vulnerability management

DevSecOps & CI/CD

Security automation & scripting

Threat modelling

Incident response

Education

Professional security certifications (CISSP, GSEC, OSCP, GIAC, AZ-500)

Bachelor's degree in Computer Science or related field

Tools

Cloud security tooling

CI/CD security tooling

Python scripting

Job description

Hedge Fund in London is seeking a hands-on Cyber Security Engineer to join a small, highly capable security team. You will secure Windows and Linux environments, strengthen endpoint controls, and shape cloud security across Azure.

You will partner with software engineers to embed security across the SDLC and drive application security initiatives from code reviews to threat modelling. The role offers significant breadth, ownership, and visibility, with opportunities to influence security across