Network 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.

The Security team supports the day-to-day protection and operational security of the firm’s network perimeter. The team focuses on continuous monitoring, incident handling, and maintaining strong firewall security controls. You will work closely with Security and Infrastructure stakeholders to investigate events, manage escalations, and keep security operations reliable across a 24/7 environment.

• Monitor security and network events to detect suspicious activity, threats, and policy violations
• Act as the first point of escalation for network security operational issues in a 24/7 shift environment
• Triage, investigate, and resolve security tickets, escalating appropriately and documenting outcomes clearly
• Operate, maintain, and tune firewall controls (including policy changes, validation, and troubleshooting)
• Support incident response activities, including containment actions and post-incident follow-ups
• Perform routine checks and operational reviews to maintain platform health, availability, and security posture
• Identify opportunities to reduce manual effort through automation and repeatable operational workflows

• Bachelor’s degree in Computer Science, Information Technology, or a related discipline (or equivalent practical experience)
• 3–5 years’ experience in a Network Security Operations, SOC, or security operations role
• Hands-on experience operating firewalls in production environments (policy management, troubleshooting, change control)
• Experience in a network security or security operations role, with hands-on monitoring and incident triage responsibility
• Strong understanding of network fundamentals and protocols (e.g., TCP/IP, DNS, DHCP, HTTP/S) and common network security concepts
• Familiarity with security monitoring and investigation tooling (e.g., SIEM platforms, network monitoring, alerting systems)
• Ability to analyse logs and network events to identify root cause and recommend remediation
• Strong troubleshooting, problem-solving, and analytical skills
• Clear written and verbal communication skills, including ability to document investigations and collaborate across teams

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.