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

Hunter Bond; Greater London; Hybrid; GBP 120,000 - 175,000; Full time

Job summary

A leading fintech trading firm is seeking a Senior Security Engineer to enhance their global security posture. The role involves leading initiatives across various security domains and managing relationships with security partners. Ideal candidates will have 5+ years of InfoSec experience and strong knowledge of security principles. This is a full-time position based in London with hybrid work options.

Qualifications

• 5+ years of hands-on experience in InfoSec.
• Strong grasp of security principles and best practices.

Responsibilities

• Enhance security across critical domains including network, system, cloud, email, and data security.
• Lead the design and development of secure architectures to protect high-value assets.

Skills

InfoSec

Threat Modeling

Penetration Testing

Scripting

Education

Degree in Computer Science

Degree in Engineering

Tools

EDR

DLP

Vulnerability Scanners

Firewalls

Email Gateways

Job description

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

Direct message the job poster from Hunter Bond

Consultant at Hunter Bond London | New York | Singapore | Montreal - Specialising in Infrastructure Engineering

Job title: Senior Security Engineer

Client: Fintech trading firm

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

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!

Alternatively, email me: [e-mail]

Seniority level

• Mid-Senior level

Employment type

• Full-time

Job function

• Finance, Analyst, and Information Technology

Industries

• Financial Services, Banking, and IT Services and IT Consulting