CAREERS

Title: Security Engineer
Location: Singapore
Type: Full-Time

About us:

Founded in 2013, GSR is a leading market-making and programmatic trading company in the exciting and fast-evolving world of cryptocurrency trading. With more than 200 employees in 5 countries, we provide billions of dollars of liquidity to cryptocurrency protocols and exchanges on a daily basis. We build long-term relationships with cryptocurrency communities and traditional investors by offering exceptional service, expertise and trading capabilities tailored to their specific needs.

GSR works with token issuers, traders, investors, miners, and more than 30 cryptocurrency exchanges around the world. In volatile markets we are a trusted partner to crypto native builders and to those exploring the industry for the first time.

Our team of veteran finance and technology executives from Goldman Sachs, Two Sigma, and Citadel, among others, has developed one of the world’s most robust trading platforms designed to navigate issues unique to the digital asset markets. We have continuously improved our technology throughout our history, allowing for our clients to scale and execute their strategies with the highest level of efficiency.

Working at GSR is an opportunity to be deeply embedded in every major sector of the cryptocurrency ecosystem.

About the role:

We are seeking an experienced Security Engineer to join our Security team. This is a fast-paced environment where you will play a pivotal role in enhancing and safeguarding GSR’s security infrastructure. You’ll be part of a small, agile team with broad responsibilities, balancing security operations with security tooling ownership and continuous improvement.

This role is ideal for someone passionate about cybersecurity, automation, and operational excellence. You will own and optimise security tooling, proactively improve detection and response, and collaborate across teams to embed security best practices into our technology and processes.

Experience in crypto or finance is not required; we prioritise technical skills, problem-solving abilities, and a proactive mindset. We have offices in London, New York, Singapore, Zug, and Málaga. Some travel may be required.

What You’ll Do

• Monitor, detect, and respond to security incidents using SIEM, EDR, network security, email security, and threat intelligence platforms.
• Optimise security tooling, ensuring effective configurations, alert fidelity, and minimal false positives.
• Perform attack surface monitoring, identifying and mitigating external risks before they can be exploited.
• Conduct threat hunting, log analysis, and forensic investigations to uncover potential threats.
• Support vulnerability management, track risks, and coordinate remediation efforts.
• Strengthen endpoint, network, and cloud security controls, ensuring robust protection across the organisation.
• Contribute to security policies, awareness initiatives, and compliance efforts (MAS, ISO27001, SOC2).
• Support security monitoring and investigations related to blockchain and digital assets.

What You’ll Bring

• Experience in security operations, incident response, and threat detection.
• Strong knowledge and experience in SIEMs, EDRs, network security, threat intelligence platforms and other security tools, (WebProxies, WAFs, Firewalls, Email Security platforms, etc.)
• Strong understanding of AWS, Docker, and Kubernetes, including security best practices for cloud and containerised environments.
• Strong understanding of various types of attacks and mitigation methods.
• Experience in dynamic and static malware analysis, sufficient to understand and interpret the results of automated analysis.
• Strong understanding of social engineering attacks. Email analysis.
• Proficiency in scripting to automate security processes.
• Hands-on experience optimising security tools to improve detection accuracy.
• Detection content development, tuning and improvement.
• Strong analytical, problem-solving, and communication skills.
• A proactive mindset, taking ownership of security challenges and continuously improving processes.

What we offer:

• A collaborative and transparent company culture founded on Integrity, Innovation, and Performance.
• Competitive salary with two discretionary bonus payments a year.
• Benefits such as healthcare, dental, vision, retirement planning, 30 days holiday, and free lunches when in the office.
• Regular town halls, team lunches, and social events.
• A corporate and social responsibility program, including charity fundraising matching and volunteer days.
• Access to training and support for professional certifications, with formal learning resources such as Udemy and INE to enhance continuous professional development.

GSR is proudly an Equal Employment Opportunity employer. We do not discriminate based upon any applicable legally protected characteristics such as race, religion, colour, country of origin, sexual orientation, gender, gender identity, gender expression, or age. We operate a meritocracy—all aspects of people engagement, from the decision to hire or promote to our performance management process, are based on business needs and individual merit.

Learn more about us at www.gsr.io.