Security Engineer | Quant Hedge Fund
Listed on 2026-10-15
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IT/Tech
Cybersecurity, Security Management & Operations, Systems Engineer, Network Security
We are looking for an experienced Security Engineer to join the security function of a leading global hedge fund.
Technology sits at the heart of the business, supporting investment professionals, quantitative researchers and engineers across sophisticated trading and research environments. As the organisation continues to scale, security is critical to protecting its infrastructure, applications, data and users.
This role will contribute across the firm’s broader security function, helping to identify and manage risk, strengthen technical controls, and improve the organisation’s ability to prevent, detect and respond to security threats.
You will work across a complex technology estate spanning cloud, endpoints, identity, networks, applications and production infrastructure.
The role requires a hands‑on, engineering‑led approach to security. You will work closely with technology teams to improve security tooling, automate processes, enhance visibility and embed robust security practices across the environment.
Responsibilities will include:
- Monitoring, investigating and responding to security events across the technology environment
- Identifying security risks, vulnerabilities and control gaps
- Supporting the design, implementation and improvement of security controls
- Developing and tuning security monitoring, alerting and detection capabilities
- Conducting proactive threat hunting and security assessments across cloud, endpoints, identity and network environments
- Building automation to improve security operations, investigation and response workflows
- Working with engineering teams to remediate vulnerabilities and strengthen systems
- Improving security visibility across cloud and on-premise infrastructure
- Supporting incident response, including investigation, containment and root‑cause analysis
- Evaluating emerging threats and translating them into practical security improvements
- Helping develop security tooling, standards and operational processes as the firm continues to scale
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