At a Glance
- Tasks: Lead cyber security in a high-performance trading environment and manage incident responses.
- Company: Dynamic FinTech firm in London with a focus on innovation and security.
- Benefits: Competitive salary, hybrid work model, and comprehensive benefits package.
- Other info: Opportunity for career growth in a cutting-edge financial technology environment.
- Why this job: Join a fast-paced team and make a real impact in the evolving world of cyber security.
- Qualifications: 5+ years in security engineering, strong penetration testing, and Linux expertise required.
The predicted salary is between 110000 - 110000 € per year.
Overview
You will need to be UK based living within a commutable distance from London. We are seeking a Cyber Security Lead / Senior Security Engineer to take ownership of the hands-on security of a high-performance trading environment within a regulated FinTech organisation. This is a critical role combining technical security operations with regulatory compliance, ensuring resilience across infrastructure, networks, and systems.
Youll work closely with Engineering, DevOps, IT, and Infrastructure teams, playing a key role in defending a complex exchange environment against an evolving threat landscape.
Key Responsibilities
- Operate and optimise security and vulnerability management platforms, including liaison with external SOC providers (SIX Group).
- Lead incident response, ensuring documentation and reporting aligns with DORA timelines; participate in on-call rotation.
- Proactively assess and mitigate emerging risks, including AI-driven threats.
- Establish governance around third-party software and AI usage.
- Support and oversee patching across Linux, Windows, and network systems.
- Audit and remediate internal policies (firewalls, O365, MDM) with relevant teams.
- Conduct and manage penetration testing (network, application, infrastructure), including red team and tabletop exercises.
- Review architecture changes and provide security recommendations.
- Collaborate with development teams to embed secure-by-design principles.
- Assess infrastructure (on-prem & cloud) against CIS benchmarks and internal policies.
- Own and maintain ISO 27001 ISMS, including audits and remediation.
- Support DORA compliance, including ICT risk registers, third-party risk, and reporting.
Required Skills & Experience
- 5+ years in hands-on security engineering or security operations.
- Strong experience in penetration testing across multiple layers.
- Solid Linux administration and hardening experience (production environment is Linux-based).
- Knowledge of Windows security & MDM frameworks.
- Experience with PKI and digital certificates (CA processes, lifecycle management).
- Deep understanding of network security (firewalls, IDS/IPS, packet analysis).
- Scripting skills in Python for automation and threat analysis.
- Strong AWS security expertise (IAM, GuardDuty, Security Hub, CloudTrail, VPC design).
- Experience with SIEM, MDR, and vulnerability management tools.
- Familiarity with financial regulatory frameworks: DORA, FCA (SYSC / PS21/3), NIS2 / UK NIS.
- Working knowledge of ISO 27001 ISMS and audit processes.
Desirable
- Experience within trading or exchange environments.
If you're a technically strong security professional ready to step into a leadership role within a fast-moving FinTech, this is an opportunity to make a tangible impact.
Cyber Seurity Lead Financial Fintech London in City of London employer: Stream Search Limited
As a leading FinTech organisation based in the heart of London, we pride ourselves on fostering a dynamic and inclusive work culture that prioritises employee growth and innovation. Our hybrid working model offers flexibility while our commitment to professional development ensures that you will have ample opportunities to enhance your skills and advance your career in the rapidly evolving field of cyber security. Join us to be part of a team that not only values your expertise but also empowers you to make a significant impact in safeguarding our trading environment.
StudySmarter Expert Advice🤫
We think this is how you could land Cyber Seurity Lead Financial Fintech London in City of London
✨Tip Number 1
Network like a pro! Get out there and connect with folks in the FinTech scene. Attend meetups, webinars, or industry events. You never know who might have the inside scoop on job openings or can put in a good word for you.
✨Tip Number 2
Show off your skills! Create a portfolio or GitHub repository showcasing your projects, especially those related to security engineering. This gives potential employers a taste of what you can do and sets you apart from the crowd.
✨Tip Number 3
Prepare for interviews by brushing up on your technical knowledge and soft skills. Practice common interview questions and scenarios specific to Cyber Security. We recommend doing mock interviews with friends or using online platforms to get comfortable.
✨Tip Number 4
Don’t forget to apply through our website! We’ve got loads of opportunities waiting for you. Tailor your application to highlight your experience in security operations and compliance, and let us help you land that dream job!
We think you need these skills to ace Cyber Seurity Lead Financial Fintech London in City of London
Some tips for your application 🫡
Tailor Your CV:Make sure your CV is tailored to the Cyber Security Lead role. Highlight your hands-on security experience, especially in trading environments, and showcase your skills in penetration testing and regulatory compliance.
Craft a Compelling Cover Letter:Your cover letter should tell us why you're the perfect fit for this role. Share specific examples of how you've tackled security challenges in the past and how you can contribute to our team at StudySmarter.
Showcase Relevant Skills:Don’t forget to emphasise your technical skills! Mention your experience with Linux, AWS security, and any scripting skills you have. We want to see how you can bring your expertise to our high-performance trading environment.
Apply Through Our Website:We encourage you to apply through our website for a smoother application process. It helps us keep track of your application and ensures you don’t miss out on any important updates!
How to prepare for a job interview at Stream Search Limited
✨Know Your Stuff
Make sure you brush up on your technical knowledge, especially around penetration testing and network security. Be ready to discuss specific tools and frameworks you've used, like SIEM or AWS security features, as this will show your hands-on experience.
✨Understand the Regulatory Landscape
Familiarise yourself with financial regulatory frameworks such as DORA and FCA. Being able to articulate how these regulations impact security operations will demonstrate your understanding of the industry and its compliance requirements.
✨Showcase Your Leadership Skills
Since this role is a leadership position, be prepared to discuss your experience in leading teams or projects. Share examples of how you've managed incident responses or collaborated with cross-functional teams to enhance security measures.
✨Prepare for Scenario Questions
Expect scenario-based questions that test your problem-solving skills in real-world situations. Think about how you would handle an emerging threat or a security breach, and be ready to explain your thought process and actions clearly.
