Overview
In this role you will strengthen security for a Windows-heavy estate within a technology-driven trading firm. You will own end-to-end security improvements, from vulnerability management to incident response, and build automation to accelerate security operations. You’ll work closely with infra, dev and security teams to implement resilient controls and repeatable engineering practices. A strong focus on engineering-led security and automation underpins the impact you’ll have on risk reduction.
Responsibilities
- Own technical improvement of security controls across corporate Windows systems
- Manage the vulnerability lifecycle from discovery to remediation and validation
- Support response to suspicious activity, security alerts and production-impacting events
- Tune and extend endpoints capabilities: EDR, application control, encryption, host firewalls, telemetry
- Create reusable PowerShell automation for deployment, investigation and control assurance
- Develop runbooks and repeatable engineering practices from operational knowledge
Key requirements
- Five or more years delivering security or operations engineering in Windows-heavy environments
- Detailed knowledge of Active Directory, Group Policy and native Windows protection features
- Ability to recognise common attack paths against Windows infrastructure and design mitigations
- Experience triaging incidents and using monitoring, event data and logs to determine what happened
- Previous responsibility for deploying or operating endpoint security tools at scale
- Strong PowerShell scripting skills and an automation-first approach
- Clear communication and judgement to work with infrastructure, development and security specialists
- clear communication
- collaboration
- problem-solving
- Active Directory
- Group Policy
- Windows protection features
Technology Security Specialist in London employer: Quant Capital
At Quant Capital, we pride ourselves on being an exceptional employer, offering a dynamic and innovative work environment that mirrors the culture of leading tech giants like Facebook and Google. Our London office fosters a collaborative atmosphere where employees are encouraged to think critically and make impactful decisions, while also providing ample opportunities for professional growth and mastery of cutting-edge technology in the trading operations space. With a focus on employee well-being and a commitment to excellence, we ensure that our team members are equipped with the tools and support they need to thrive in their roles.
