Associate - InfoSec - Sr. Systems Engineer - LME

We are seeking a Security Development Engineer (Associate) to play a hands-on role in developing security solutions for infrastructure and platforms supporting the London Metal Exchange (LME).

The ideal candidate will focus on application, data, and operating system security in a highly regulated, on-premise financial market infrastructure environment.

Key responsibilities include:

• Designing, implementing, and abstracting infrastructure security controls through new or upgraded APIs across platforms
• Securing Kubernetes platforms (e.g., OpenShift), covering cluster hardening, network segmentation, access control, and runtime protection
• Implementing and managing cryptographic controls, including TLS, encryption at rest, certificate and key lifecycle management
• Supporting data protection initiatives integrated with infrastructure and platform services
• Hands-on design, implementation, and operation of enterprise-wide Data Loss Prevention (DLP) controls
• Performing security hardening and baseline configuration for servers, platforms, and middleware
• Supporting and participating in penetration testing and red teaming activities, focusing on infrastructure and Kubernetes attack paths
• Working closely with Application Security and IAM specialists to deliver end-to-end security solutions
• Building solutions that support investigation and reduce response times of security incidents
• Collaborating directly with London-based stakeholders in English-speaking environments

Requirements:

• 3-8 years of hands-on experience in development and cybersecurity
• Strong foundation across application and infrastructure security (business applications, firewalls, databases, operating systems, hypervisor, network)
• Solid experience securing Kubernetes platforms, ideally including OpenShift
• Practical understanding of cryptography and secure communication
• Experience working with on-premise or private infrastructure in regulated environments
• Understanding of offensive security concepts, such as attack techniques and lateral movement
• Experience in a foreign financial institution (exchange, clearing house, investment bank) is highly preferred
• Strong problem-solving capability, hands-on mindset, and genuine interest in security technology
• Fluent spoken and written English is mandatory