Verified from career page · Posted 1mo ago

G-Research

Security Threat Specialist

G-Research

London

Mid-level

SecurityPenetration testing

Last seen 1h ago

Posted
1mo ago

Posted on 12 August 2026

Workplace
Not specified

Work model not stated

Salary
Not disclosed

Salary range not shared by the company

Visa sponsorship
Not specified

Visa sponsorship details unknown

We tackle the most complex problems in quantitative finance, by bringing scientific clarity to financial complexity.

From our London HQ, we unite world-class researchers and engineers in an environment that values deep exploration and methodical execution - because the best ideas take time to evolve. Together we’re building a world-class platform to amplify our teams’ most powerful ideas.

Every breakthrough is built on strong foundations. In our cyber security team, you’ll work across disciplines to drive the strategy, culture and structure that enable our success.

Take the next step in your career.

The role

The Security Threat Specialist, working in collaboration with the business, will be responsible for both proactive and targeted threat and vulnerability identification for cyber and insider threats across the organisation. They will translate these findings into tactical fixes and help advise on the strategic remediation.

Key responsibilities of the role include:

Performing in-depth reviews of systems and processes to identify security weaknesses and control gaps

Authoring technical security documentation, threat models, and implementation guidance across all security levels

Providing detailed technical design advice and security recommendations for applications, services, infrastructure, and processes

Collaborating with Cyber Security, Incident Response, and Vulnerability Assessment teams to validate findings and coordinate remediation

Supporting risk management decisions and identifying audit points to ensure compliance or detect compromise

Assisting developers and system administrators in designing and evaluating secure solutions

Automating threat hunting to maintain confidence in security posture

Developing and delivering training and awareness to improve security knowledge across the business

Driving secure-by-design improvements that balance security with user experience

Who are we looking for?

The ideal candidate will be a capable and hands-on contributor. You must be experienced and enthusiastic about your area of expertise with a demonstrable track record of excellence.

The ideal candidate will have the following skills and experience:

Demonstrable expertise in one of the major security specialist areas, such as penetration testing, incident response, endpoint security, network security, malware analysis or identity access management

Experience in Security Architecture or Security Risk Management

Practical experience of threat modelling and risk assessment of applications, services and infrastructure

Technical experience reviewing engineering designs and implementations, including code reviews, such as high level programming languages like yaml and json

Knowledge and a passion for information and technical security and its technologies

An interest in team and personnel-related matters as opposed to focusing solely on isolated challenges

Confident to make quick but justified commercial-based decisions

Behavioural Competencies:

Collaboration: Works well with cross-functional teams, fostering a collaborative and supportive environment

Initiative: Proactively identifies opportunities for improvement and takes the necessary action to implement changes

Problem Solving: Capable of assessing complex security issues and devising effective response strategies

Communication: Excellent communication skills both upwards and downwards through a variety of media and with the ability to convey complex information to both technical and non-technical stakeholders

Why should you apply?

Highly competitive compensation plus annual discretionary bonus

Lunch provided (via Just Eat for Business) and dedicated barista bar

30 days’ annual leave

9% company pension contributions

Informal dress code and excellent work/life balance

Comprehensive healthcare and life assurance

Cycle-to-work scheme

Monthly company events

G-Research is committed to cultivating and preserving an inclusive work environment. We are an ideas-driven business and we place great value on diversity of experience and opinions.

We want to ensure that applicants receive a recruitment experience that enables them to perform at their best. If you have a disability or special need that requires accommodation please let us know in the relevant section

About G-Research

G-Research hires almost exclusively out of London. It's a quant research firm, not a bank or a trading venue — the roles here are close to the research itself, and the bar reflects that.

Apply at G-Research

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