Senior Security Engineer: £170,000 + Bonus (Elite Fintech)

JR United Kingdom; London; Hybrid; GBP 170,000 - 200,000; Full time

Job summary

An elite systematic trading firm is seeking a Senior Security Engineer to enhance their global security posture. This high-impact role involves leading initiatives across network, cloud, and system security, guiding critical IT projects, and building automation to validate controls. The ideal candidate will have extensive experience in InfoSec, a strong grasp of security principles, and be proactive in driving security initiatives. Join this cutting-edge fintech environment and make a significant impact on the security landscape by embedding security best practices into daily operations.

Qualifications

• 5+ years of hands-on experience in InfoSec.
• Strong grasp of security principles and best practices.
• Experience with threat modeling and automated security validation.

Responsibilities

• Enhance security across network, system, cloud, and data security.
• Lead design and development of secure architectures.
• Conduct threat modeling and risk assessments.

Skills

InfoSec

Threat Modeling

Penetration Testing

Automated Security Validation

Cloud Security

Network Security

System Hardening

Scripting (Python, PowerShell)

Education

Degree in Computer Science

Degree in Engineering

Tools

EDR

DLP

Vulnerability Scanners

Firewalls

Email Gateways

Job description

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Senior Security Engineer: £170,000 + Bonus (Elite Fintech), london

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Client:

Hunter Bond

Location:

london, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

6

Posted:

05.05.2025

Expiry Date:

19.06.2025

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Job Description:

Job title: Senior Security Engineer

Client: Fintech trading firm

Location: London (hybrid)

Experience level: 5+ 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!