Security Engineer

Qube Research & Technologies (QRT) is a global quantitative and systematic investment manager, operating in all liquid asset classes across the world. We are a technology- and data-driven group implementing a scientific approach to investing. Combining data, research, technology, and trading expertise has shaped our collaborative mindset, which enables us to solve the most complex challenges. QRT’s culture of innovation continuously drives our ambition to deliver high-quality returns for our investors.

You will join the global Security function, which is responsible for safeguarding QRT’s technology platforms, data, and operational environments. The team partners closely with Engineering, Infrastructure, Risk, Compliance, and business stakeholders to design and implement security controls, reduce risk, and enable safe, high-performance operations across global offices.

You will be a hands-on individual contributor and security generalist responsible for delivering day-to-day BAU, acting as the front door for security engagements, and partnering with the business to support their needs, while also helping to maintain the effective operation, observability, and health of QRT's core security platforms to ensure secure and reliable services across the firm.

• Deliver day-to-day BAU across security products, including processing security tickets and change requests, addressing vulnerabilities, administering identity controls, and tuning controls to balance protection with business operability.
• Act as the front door for security engagements, responding to requests and queries from across the firm and ensuring the business receives timely, practical support from the security function.
• Partner with the business, IT, Cloud Services, and Engineering teams to ensure security tooling integrates smoothly into operations and supports business workflows without unintended disruption.
• Operate and maintain core security platforms, including firewalls, SASE, CASB, proxies, NAC, identity controls, endpoint protection, and cloud security tooling.
• Support observability and health monitoring of security systems, identifying degradation, misconfiguration, or platform issues before they impact the business, and responding to operational incidents affecting security tooling.
• Participate in a global 24/7 follow-the-sun security platform operations capability, including weekend coverage on a rotational basis.
• Troubleshoot complex issues across security products, integrations, and the underlying network, cloud, and endpoint stack.
• Implement automated and scalable operational processes for security tooling across hybrid, multi-cloud, and on-prem environments, reducing toil and improving reliability.
• Position security as a business enabler, aligning operational controls with business effectiveness and supporting innovation without compromising protection.
• Contribute to the rollout of new security controls and tooling, with a strong focus on operability, observability, and maintainability.
• Contribute to team knowledge sharing.

• Humble, curious, and hungry to learn.
• Flexible and reliable team player who enjoys collaborative environments.
• Strong communication and interpersonal skills, comfortable engaging with stakeholders across the business globally.
• A service-oriented mindset. You understand that security exists to protect and enable the business, and that operational excellence matters.

• 5+ years of experience in security engineering or security platform operations.
• Strong exposure to modern network security solutions, including firewalls, SASE, CASB, proxies, and L7 policy.
• Solid understanding of systems, networking, and security engineering concepts, including major network protocols across the stack.
• Hands-on experience operating and maintaining security tooling across domains: network security, endpoint management and protection, identity management, vulnerability management, and cloud security controls.
• Experience with observability, monitoring, and health management of security platforms, including log and metric pipelines, alerting on platform health, and capacity and performance management.
• Comfortable with packet capture and analysis tools (tcpdump, Wireshark) for troubleshooting.
• Strong foundations in operating systems, cloud platforms, and network engineering.
• Programming or scripting skills in at least one high-level language for automation and tooling.
• General awareness of the threat landscape and offensive techniques, sufficient to understand why controls exist and how to keep them effective.
• Strong sense of ownership and commitment to resolving issues end-to-end.

QRT is an equal opportunity employer. We welcome diversity as essential to our success. QRT empowers employees to work openly and respectfully to achieve collective success. In addition to professional achievement, we are offering initiatives and programs to enable employees achieve a healthy work-life balance.