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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.
Job Responsibility:
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:
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