Senior Cyber Security & Network Defense Engineer (Global Infrastructure)

Our Client is a market leading innovative technology house that has operations in all continents round the globe. They are a renowned global employer of choice that provides one of the greatest working environments available in technology combined with the financial benefits of working in and around trading. Drive global network security operations across hybrid environments, implementing advanced controls, troubleshooting complex threats, and shaping next-generation cyber resilience within a fast-paced, technology-driven investment environment.

What You'll Do:

Join a global security engineering team operating at the forefront of cyber defence. You’ll work across network security, cloud security, and security operations — strengthening infrastructure resilience while enabling business innovation.

Your Responsibilities Will Include:

• Operating and maintaining firewalls, SASE, CASB, proxies, NAC, and cloud security platforms
• Managing day-to-day security operations including vulnerability response, identity controls, and monitoring
• Participating in a 24/7 follow-the-sun operational model with rotational weekend coverage
• Designing and implementing scalable security controls across hybrid, multi-cloud, and on-prem environments
• Supporting secure architecture including segmentation, encryption, and remote access
• Investigating threats through log analysis, packet inspection, and adversarial thinking
• Collaborating with IT, Cloud, and Engineering teams to embed security into infrastructure
• Leading automation initiatives to enhance detection and response capabilities
• Mentoring team members and contributing to continuous process improvement

Why Join Us:

• Shape a global security landscape from the ground up
• Influence architectural decisions and technology selection
• Work with cutting-edge security tools across diverse environments
• Be part of a collaborative, innovation-driven culture
• Grow your expertise across both network security and security operations

About You:

You’re humble, curious, and constantly learning. You bring strong technical foundations across networking, systems, and cloud environments, along with hands-on experience in modern security operations. You thrive in collaborative teams, take ownership of complex issues, and are passionate about defending distributed environments against evolving threats.

If you’re ready to strengthen global cyber resilience, drive meaningful security innovation, and make real impact in a high-performance environment — this is your opportunity to lead from the front.

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