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- Tasks: Design and implement cutting-edge security measures to protect user data and infrastructure.
- Company: Join Sumsub, a leading verification platform trusted by over 4000 clients globally.
- Benefits: Enjoy remote work flexibility, extra days off for your birthday and holidays, plus team offsites.
- Why this job: Be part of a mission-driven team that safeguards millions of users worldwide while innovating in cybersecurity.
- Qualifications: Experience in information security, cloud infrastructures, and proficiency in automation tools like Terraform and Ansible.
- Other info: Diversity is key at Sumsub; we welcome applicants from all backgrounds.
The predicted salary is between 43200 - 72000 £ per year.
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Infrastructure Security Engineer, London
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Client:
Sumsub
Location:
London, United Kingdom
Job Category:
Other
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EU work permit required:
Yes
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Job Reference:
5b1ee4e1d0ea
Job Views:
6
Posted:
18.06.2025
Expiry Date:
02.08.2025
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Job Description:
Sumsub is the one verification platform to secure the whole user journey. With Sumsub’s customizable KYC, KYB, transaction monitoring and fraud prevention solutions, you can orchestrate your verification process, welcome more customers worldwide, meet compliance requirements, reduce costs and protect your business.
Sumsub has over 4000 clients across the fintech, crypto, transportation, trading and gaming industries including Duolingo, Bitpanda, Wirex, Avis, Exness, Flippa, italki, Bybit, LBANK, Gett, Kaizen Gaming, and TransferGo.
Our products are recognised by industry leaders like Gartner\’s Magic Quadrant, Forrester Wave and Frost Radar.
Now we are looking for anInfrastructure Security Engineer toimplement robust infrastructure security measures utilizing modern security solutions.
What You Will Be Doing:
- Design and implement robust infrastructure security measures utilizing modern security solutions such as SIEM platforms, host-based intrusion detection systems (HIDS), endpoint detection and response (EDR), AWS Security Hub, vulnerability scanning tools, and intrusion detection systems (IDS)
- Proactively research, evaluate, and integrate emerging security tools/technologies to strengthen infrastructure defences, ensuring alignment with industry best practices and evolving threat landscapes
- Develop, analyze, and fine-tune SIEM alert configurations to maximize detection accuracy, reduce false positives, and streamline incident response workflows
- Design, implement, and maintain security automation workflows utilizing Ansible for configuration management, Terraform for infrastructure-as-code, and GitLab CI/CD pipelines to enforce consistent security policies
- Implement and maintain Kubernetes (K8s) security protocols
- Execute comprehensive security assessments and audits to identify risks, perform penetration testing, and lead incident response activities including forensic analysis and post-incident reporting
- Continuously monitor security threats across hybrid environments, deploying preventive controls (e.g., WAF, IPS) and mitigation strategies to address vulnerabilities and active attacks
- Partner with DevOps and development teams to embed security controls into CI/CD pipelines, infrastructure design, and application architectures, fostering a \”shift-left\” security culture
- Oversee security posture monitoring for SaaS ecosystems, ensuring secure API configurations, identity/access governance, and compliance with organizational security standards
- Maintain up-to-date documentation of incident playbooks, and tooling configurations, while staying informed on emerging threats and cybersecurity innovations
About You:
- Proven experience in information security. Knowledge of cloud infrastructures, with a focus on AWS
- In-depth knowledge and hands-on experience with SIEM systems and vulnerability management tools
- Proficiency in using Terraform and Ansible for infrastructure automation
- Experience in Kubernetes security, including the use of tools for monitoring and securing containers
- Knowledge of DevSecOps practices, with a focus on implementing security checks in CI/CD pipelines, and the ability to integrate these practices into existing processes
- Proficiency in automating daily tasks and workflows, including the ability to develop custom scripts and small integrations between services using Python
- Proficiency in Linux operating systems at an administrator level (Windows experience a plus)
Will be a plus:
- Security certifications such as CKS, CKA, OSCP, AWS Security, or equivalent
- Experience in high-load systems and environments with stringent security requirements
- Understanding of cybersecurity frameworks (e.g., ISO 27001, NIST, GDPR, PCI-DSS, SOC 2, CIS Controls)
What We Offer:
- Fully remote and flexible working schedule, with access to a coworking space (in some locations)
- Working with a product that matters. Our technology helps to protect millions of users and lots of online services worldwide
- International project. Our team works from offices in Berlin, Limassol, London, and Miami, our customers are spread from Mexico and the USA to Hong Kong, South Korea, and Singapore
- 1 extra day off to celebrate your birthday
- 7 additional days to enjoy the Christmas & New Year holidays
- 7 days of sick leave (without the need for documentation)
- Regular, fully covered team offsites to connect and collaborate
- Learning opportunities and support to attend industry events with the team
The hiring stages: TA screening -> Hiring Manager Interview -> Final Interview.
Sounds like a great opportunity for your career development? Then go ahead and apply!
We are a global community of innovators, creators, and thinkers, and we believe that diversity fuels our innovation. Sumsub is proud to be an equal opportunity employer, committed to building a diverse and inclusive workforce. We welcome applications from people of all backgrounds, cultures, genders, experiences, abilities and perspectives. Join us in shaping the future inclusively.
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Infrastructure Security Engineer employer: Sumsub
Contact Detail:
Sumsub Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Infrastructure Security Engineer
✨Tip Number 1
Familiarise yourself with the specific security tools mentioned in the job description, such as SIEM platforms and vulnerability scanning tools. Being able to discuss your hands-on experience with these technologies during interviews will set you apart.
✨Tip Number 2
Showcase your understanding of DevSecOps practices. Prepare examples of how you've integrated security checks into CI/CD pipelines in previous roles, as this aligns closely with what Sumsub is looking for.
✨Tip Number 3
Network with current or former employees of Sumsub on platforms like LinkedIn. Engaging with them can provide insights into the company culture and expectations, which can be invaluable during your interview.
✨Tip Number 4
Stay updated on the latest cybersecurity trends and threats. Being knowledgeable about current events in the field will not only help you in interviews but also demonstrate your passion for the industry.
We think you need these skills to ace Infrastructure Security Engineer
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights relevant experience in information security, cloud infrastructures, and tools like SIEM systems and Kubernetes. Use keywords from the job description to demonstrate your fit for the role.
Craft a Compelling Cover Letter: Write a cover letter that showcases your passion for infrastructure security and your understanding of the company's mission. Mention specific projects or experiences that align with the responsibilities outlined in the job description.
Showcase Relevant Skills: In your application, emphasise your proficiency in Terraform, Ansible, and Python. Provide examples of how you've used these tools in past roles to automate tasks or enhance security measures.
Highlight Continuous Learning: Mention any relevant certifications or ongoing education in cybersecurity frameworks and practices. This shows your commitment to staying updated in a rapidly evolving field, which is crucial for the role.
How to prepare for a job interview at Sumsub
✨Know Your Tools
Familiarise yourself with the specific security tools mentioned in the job description, such as SIEM platforms, HIDS, and EDR. Be prepared to discuss your hands-on experience with these technologies and how you've used them to enhance security measures.
✨Demonstrate Your Problem-Solving Skills
Prepare examples of past challenges you've faced in infrastructure security and how you resolved them. This could include incidents where you had to implement security protocols or respond to threats, showcasing your analytical and critical thinking abilities.
✨Showcase Your Automation Knowledge
Since the role involves using Terraform and Ansible for automation, be ready to explain how you've implemented these tools in previous projects. Discuss any scripts or workflows you've developed to streamline security processes.
✨Understand the Company’s Security Culture
Research Sumsub's approach to security and their products. Understanding their commitment to user verification and compliance will help you align your answers with their values and demonstrate your genuine interest in the role.
