Senior Security Engineer

At Paymentology were redefining whats 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. Its this global reach and innovation that sets us apart.

Were looking for a Senior Security Engineer to play a critical hands-on role in engineering operating and continuously improving Paymentologys 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.

• 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.

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

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.