
Senior Security Engineer
Qube Research & Technologies2 hours ago
London, United KingdomSenior
Responsibilities
- Own and drive complex security initiatives across multiple teams, from discovery and design through implementation and ongoing operation.
- Define technical architectures and engineering standards for security capabilities while balancing security, reliability, performance, and cost.
- Design, build, and improve controls for identity, privileged access, endpoints, cloud and on-premises infrastructure, data protection, and security monitoring.
- Identify security weaknesses and attack paths, prioritize remediation, and address underlying risks.
- Automate deployment, configuration, and operational tasks using APIs, scripting, and infrastructure as code.
- Engineer resilient security services with monitoring, alerting, runbooks, recovery procedures, and clear operational ownership.
- Support day-to-day security operations, troubleshoot issues, respond to incidents, and participate in the security on-call rotation.
- Partner with Security, Infrastructure, IT, and development teams to integrate controls and drive adoption.
- Lead troubleshooting and corrective actions during complex incidents and service failures.
- Mentor junior engineers through coaching, design reviews, and technical guidance.
- Evaluate vendors and technologies, validate capabilities, and oversee successful integration and operational handover.
Requirements
- Substantial security engineering experience in a complex enterprise environment and a record of delivering major initiatives across teams or technology domains.
- Deep hands-on expertise in areas such as identity and access management, privileged access, endpoint security, cloud security, infrastructure hardening, secrets management, PKI, data protection, or detection engineering.
- Strong understanding of Windows, Linux, Active Directory, modern identity platforms, networking, authentication protocols, and hybrid infrastructure.
- Ability to work at both architecture and implementation levels, investigate complex technical issues, and build or improve solutions directly.
- Strong automation experience with scripting, APIs, infrastructure as code, version control, and delivery pipelines.
- Experience delivering and operating reliable production services, including configuration management, upgrades, monitoring, resilience, and recovery.
- Sound risk judgment and ability to make pragmatic decisions, explain trade-offs, and escalate material risks.
- Ability to influence without formal authority and collaborate with technical and non-technical stakeholders.
- Strong ownership, organization, and delivery skills, including managing ambiguous requirements, dependencies, and obstacles.
- Experience mentoring junior engineers, providing senior technical escalation support, incident response, and on-call operations.
- Experience in quantitative trading, financial services, multi-region security services, cloud environments, data centers, or migrations from legacy controls is desirable.
- Experience with Okta, Microsoft Entra ID, Microsoft Defender, Intune, HashiCorp Vault, enterprise PAM solutions, Splunk, or cloud-native security services is desirable.
Benefits
- The employer offers initiatives and programs supporting employee work-life balance.
- The posting describes a global, collaborative, and respectful work environment and is an equal opportunity employer.
- The role includes participation in a security on-call rotation and responding to urgent issues outside normal working hours as required.
About Qube Research & Technologies
Qube Research & Technologies is a global quantitative and systematic investment manager that develops and trades data-driven strategies across liquid asset classes for institutional investors. The firm manages client capital and proprietary funds, earning management and performance fees. Founded in 2018 and headquartered in London, it operates with offices in 16 locations worldwide.