Information Security Analyst

The Firm

XTX Markets is a leading algorithmic trading firm which uses state-of-the-art machine learning technology to produce price forecasts for over 50,000 financial instruments across equities, fixed income, currencies, commodities and crypto. It uses those forecasts to trade on exchanges and alternative trading venues, and to offer differentiated liquidity directly to clients worldwide. The firm trades over $250bn a day across 35 countries and has over 250 employees based in London, Singapore, New York, Paris, Bristol, Mumbai, Yerevan and Kajaani.

We leverage the talent of the people who work here, modern computational techniques and state-of-the-art research infrastructure to analyse large data sets across markets quickly and efficiently, to maximize the effectiveness of our proprietary trading algorithms. We are actively seeking new methods and ideas. The models that drive our trading strategies have evolved considerably over the last 10 years, from econometric methods that gave our company its name, to trees, to neural networks, to modern deep learning architectures.

XTX Markets has an unrivalled level of computational resources in the trading industry, with a growing research cluster currently containing over 25,000 GPUs with 650 petabytes of usable storage. Teams across the firm include world-class researchers with backgrounds in pure math, programming, physics, computer science and machine learning. The firm is also constructing a large-scale data centre in Finland to future-proof its significant computational capabilities.

At XTX Markets technology is our business and we are a diverse organization which attracts outstanding talent from across all industry backgrounds. We are focused on teamwork and our people collaborate on all aspects of the business, working openly and with respect for each other, our clients and the market. Our culture is non-hierarchical and one where everyone is valued. We strive for excellence in everything we do.

The Team 

The Information Security team at XTX Markets are accountable for all aspects of the firm’s physical and IT security.  From obtaining and transforming events and signals into actionable intelligence to helping design and implement authentication/authorisation systems, alongside third-party risk assessment and global regulatory compliance. This role is based in our Singapore office, and you will work closely with the Risk and Information Security teams in our London HQ. 

The Role 

As our first Information Security Analyst, you’ll work to ensure that XTX Markets’ data and infrastructure meet – and, where appropriate, exceed – the requirements of global regulators and auditors.

You will: 

• Develop and automate compliance workflows (detection, analysis, business justifications, evidence-gathering). 
• Liaise with external auditors to resolve findings and document compensating controls.
• Manage third-party/vendor risk assessments and ongoing security reviews. 

You’ll also have opportunities to contribute across the security function: improving our vulnerability-management program, enhancing our detection framework, and helping triage and respond to security alerts. You will actively collaborate with a range of stakeholders within the firm.

Essential Attributes

• 3+ years in Information Security, with a focus on audit/compliance. 
• Programming/scripting skills (e.g. Python, PowerShell) particularly for automating repeatable tasks.
• Strong written and verbal communication skills.
• Rapid learner with outstanding attention to detail.
• Self-starter: able to work autonomously, prioritise tasks, and admit mistakes.
• Able to write clear, succinct business justifications and technical documentation.

Desirable Attributes

• Hands-on proficiency with vulnerability management/compliance platforms (e.g. Tenable Nessus).
• Familiarity with Indian information-security regulations and audit practices (SEBI, NSE, etc.)
• An academic foundation in computer science or a related subject would be beneficial.