Information Security

Linux Security Engineer

Quant Capital

London · Greater London · United Kingdom

Overview

In this role, you will strengthen and oversee information security across the company’s AWS cloud, web and mobile platforms. You’ll advise IT on security strategy, design and operate the security environment, and manage risks throughout projects and operations. You will work within a fast-growing, open-source–driven fintech context and have genuine influence on security decisions and posture. You’ll partner with cross-functional teams to balance stakeholder needs and deliver secure, scalable solutions.

Responsibilities
  • Provide IT and information security guidance across the full stack, from AWS cloud to mobile platforms
  • Design, implement and manage the IT security environment and related services and applications
  • Identify, manage and remediate IT security risks during project design and operational running
  • Advise and assure IT security in projects, balancing stakeholder needs and delivering secure outcomes
  • Operate in a fast-growing, autonomy-rich environment and influence security strategy across the business
Key requirements
  • CISSP, CISM, CISA or equivalent experience
  • Demonstrable knowledge of data leakage, vulnerability management and threat assessment
  • Policy experience
  • Linux
  • Understanding of firewalls
  • Networking
  • Cloud or AWS understanding (ideally EC2)
  • Excellent presentation skills
  • Excellent communication skills
  • presentation skills
  • communication skills
  • stakeholder management
  • Linux
  • Firewalls
  • Networking

Reference: WJ-747_31212088 · Posted 01 Nov 2026

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