We are partnering with a global, quantitative investment manager operating across all liquid asset classes.

The firm is technology- and data-driven, applying a scientific approach to investing and maintaining a strong culture of collaboration, innovation, and continuous improvement.

This role offers the opportunity to work across a broad range of security technologies, contributing directly to the design, operation, and evolution of the firm’s security controls and infrastructure.

The Role

- Operate and maintain network security infrastructure, including firewalls, SASE, CASB, proxies, NAC, and cloud security controls
- Perform hands-on BAU changes and in-depth troubleshooting across security products in a 24/7 follow-the-sun environment
- Implement automated and scalable security solutions across hybrid, multi-cloud, and on-prem environments
- Work closely with IT, Cloud Services, and Engineering teams to integrate security into infrastructure and operations
- Contribute to the design, implementation, and enforcement of security policies and best practices
- Support network security architecture including segmentation, encryption, and secure remote access
- Identify and mitigate risks through analysis of logs, alerts, and vulnerabilities




- Position security as a business enabler, balancing protection with operational effectiveness

Technical Fit

- 5+ years’ experience in network engineering and/or security
- Solid multi-vendor firewall experience and exposure to SASE, CASB, proxies, and L7 controls
- Solid understanding of systems, networking, and security engineering fundamentals
- Strong knowledge of network protocols across multiple layers
- Experience protecting data and assets at the network level
- Strong foundations in operating systems, cloud, and network engineering
- Hands-on experience with packet analysis tools such as tcpdump and Wireshark
- Understanding of offensive security from an adversary perspective
- Experience with security operations processes including monitoring, IDS/IPS, endpoint protection, identity management, and vulnerability management

This is a tier-one hedge fund with a strong reputation for culture and a track record of high-quality strategic hires across APAC.

The role is based in the Sydney CBD and offers top-tier compensation.

Preference is for candidates already based in Australia with full working rights, though sponsorship and relocation can be considered.

📌 Security Engineer (Sydney)
🏢 Nameless
📍 Sydney