Senior Security Engineer

At Paymentology, we’re redefining what’s possible in the payments space. As the first truly global issuer-processor, we give banks and fintechs the technology and talent to launch and manage Mastercard and Visa cards at scale across more than 60 countries.

Our advanced, multi-cloud platform delivers real-time data, unmatched scalability, and the flexibility of shared or dedicated processing instances. It’s this global reach and innovation that sets us apart.

We’re looking for a Senior Security Engineer to play a critical hands-on role in engineering, operating, and continuously improving Paymentology’s security controls across cloud, identity, application, network, endpoint, and data environments. This role is focused on detection and response, secure-by-default engineering, automation, and close collaboration with engineering teams to embed security into platforms and delivery pipelines.

What you get to do::

• Design, implement, and continuously tune SIEM and XDR detections and security analytics.
• Lead complex security incident investigations and conduct advanced threat hunting activities.
• Engineer and maintain cloud security guardrails across AWS and Azure environments.
• Integrate security tooling and controls directly into CI/CD pipelines to enable secure-by-default delivery.
• Own vulnerability detection, prioritisation, and remediation workflows across platforms.
• Develop and maintain SOAR playbooks and security automation scripts.
• Produce and maintain clear security documentation while mentoring and supporting other engineers.
  
  

Requirements:

What it takes to succeed:

• 5+ years of experience in security engineering roles.
• Strong expertise in AWS and Azure cloud environments, with Kubernetes experience considered beneficial.
• Hands-on experience with SIEM and XDR platforms such as Splunk, KQL, or Chronicle.
• Deep knowledge of identity and access management including SSO, SAML/OIDC, PIM/PAM, and SCIM.
• Practical experience using infrastructure and automation tools such as Terraform, Python, Bash, or PowerShell.
• Experience integrating security controls into CI/CD pipelines and modern delivery workflows.
• Proven ability to work autonomously, prioritise effectively, and lead complex investigations end to end.
• Strong collaboration skills with the ability to influence engineering teams and act as a trusted security advisor.
• Clear written and verbal communication skills with a strong focus on documentation and knowledge sharing.
  
  



What you can look forward to::

At Paymentology, it’s not just about building great payment technology, it’s about building a company where people feel they belong and their work truly matters. You’ll join a diverse, global team committed to strengthening secure financial ecosystems at scale. Whether you’re collaborating across time zones, solving high-impact security challenges, or helping uplift engineering capability, you’ll find purpose, autonomy, and room to grow in a supportive and forward-thinking environment.