Senior Information Security Engineer: £175,000 + Bonus (Elite Fintech)

ZipRecruiter; England; Hybrid; GBP 100,000 - 175,000; Full time

Job summary

A leading fintech trading firm is seeking a Senior Information Security Engineer to enhance their global security posture. This high-impact role involves leading security initiatives across various domains, guiding IT projects, and managing complex threat scenarios, suitable for a proactive security expert in a cutting-edge environment.

Qualifications

• 5+ years of hands-on experience in InfoSec.
• Strong grasp of security principles and system hardening techniques.
• Deep knowledge of cloud, network, and systems security with relevant scripting skills.

Responsibilities

• Enhance security across critical domains: network, system, and cloud.
• Lead the design and development of secure architectures.
• Conduct thorough threat modeling and risk assessments to uncover vulnerabilities.

Skills

Threat modeling

Penetration testing

Automated security validation

Cloud security

Network security

Scripting in Python

Scripting in PowerShell

Education

Degree in Computer Science

Degree in Engineering

Degree in a related STEM field

Tools

EDR

DLP

Vulnerability scanners

Firewalls

Email gateways

Job description

Job Description

Job title: Senior Information Security Engineer

Client: Fintech trading firm

Salary: Up to £175,000 + Bonus/Benefits

Location: London (hybrid)

Experience level: 6+ years

An elite systematic trading firm is seeking a Security Engineer to play a key role in strengthening their global security posture.

As a subject matter expert, you’ll lead initiatives across network, cloud, data, and system security guiding critical IT projects, running threat models for complex systems, and building automation to validate controls and resilience. You'll act as the escalation point for Security Operations, driving swift resolution of advanced threats and shaping the long-term security roadmap. This is a high-impact role for a proactive, driven security expert ready to take the lead in a cutting-edge fintech environment.

Key Responsibilities

• Enhance security across critical domains including network, system, cloud, email, and data security.
• Act as a trusted security advisor on IT projects, embedding security from the ground up and mitigating risks.
• Lead the design and development of secure architectures and solutions to protect high-value assets.
• Manage and fine-tune security tools to ensure optimal performance and coverage.
• Provide expert-level, second-line support to Security Operations for complex threat scenarios.
• Conduct thorough threat modeling and risk assessments to uncover vulnerabilities and drive proactive defenses.
• Oversee the relationship with our Managed Detection & Response (MDR) partner to ensure top-tier threat detection and response.
• Drive execution of the security roadmap, aligning with evolving business goals and threat landscapes.
• Partner with cross-functional teams to promote security best practices and embed security into daily operations.

Requirements:

• 5+ years of hands-on experience in InfoSec
• Strong grasp of security principles, best practices, and system hardening techniques.
• Solid experience with threat modeling, penetration testing, and automated security validation.
• Deep knowledge of cloud, network, and systems security.
• Scripting skills in Python or PowerShell (or both).
• Familiarity with key security tools—EDR, DLP, vulnerability scanners, firewalls, email gateways.
• Degree in Computer Science, Engineering, or a related STEM field.

If you think that this could be a good fit for you, then please apply by submitting a copy of your CV!

Alternatively email me: [e-mail]