Security Engineer, Institutional Trading @Blockchain

Overview

Blockchain is a global crypto company that connects the world to the future of finance, helping millions safely access cryptocurrency. The role involves a hands-on security engineer position within the Institutional Trading and Financial Operations team, focusing on the secure operation of off-chain trading processes and infrastructure.

Key Responsibilities

• Partner with Trading, Middle Office and Quant teams to map out inventory trading systems and data flows.
• Conduct deep-dive assessments to identify structural vulnerabilities in critical assets and workflows.
• Act as the primary security liaison for Senior Management and third-party vendors, translating technical gaps into business risk summaries.
• Implement and maintain monitoring for FinOps-specific security signals and integrate them into SIEM/SOAR for real-time response.
• Support secrets and key management hygiene.
• Assist product security in triage of SAST/SCA findings for FinOps-related repositories.
• Participate in incident exercises and post-incident reviews for trading incidents.
• Document controls and produce concise risk summaries for FinOps leads and Security.
• Research, architect, and integrate AI utilities directly into secure infrastructure.

Requirements

• 5+ years in security engineering, platform security, or application security.
• Proven expertise in Threat Modeling and conducting structured reviews of complex data flows.
• Experience with observability and detection tooling (SIEM, logs, metrics).
• Practical experience with KMS/HSM, secrets management platforms, and IAM patterns.
• Capability to translate "Technical Debt" into Business Risk for C-suite stakeholders.
• Ability to raise, read and audit Pull Requests in relevant programming languages (TypeScript, Java/Kotlin, Python).
• Experience conducting technical due diligence for third-party security integrations.

Benefits

• Full-time salary based on experience and equity in the company.
• Mandatory in-office presence four days per week at the London office.
• Work from Anywhere Policy allows remote work for up to 20 days per year.
• ClassPass membership.
• Unlimited vacation policy.
• Apple equipment.
• Flexible work culture.

Location

London office with a mandatory in-office presence four days per week; remote work allowed for up to 20 days per year.

How to Apply

Interested candidates should apply through the provided application link.