Senior Security Engineer - Cloud Infrastructure

Ebury is seeking a Senior Security Engineer to own and evolve the security posture of its cloud environments across AWS and GCP, focusing on network security, perimeter defence, and attack surface management. The role requires deep expertise in cloud-native security controls, network architecture, and defensive security operations. The successful candidate will design, implement, and maintain security infrastructure that proactively detects and mitigates threats before they impact the business.

Requirements

• 5+ years in security or infrastructure engineering with deep expertise in cloud security, ideally within FinTech, banking, or a similar regulated industry.
• Expert-level experience with AWS and/or GCP security services, including VPCs, security groups, IAM, and cloud-native security tools.
• Proven track record designing and implementing WAF solutions (AWS WAF, Cloud Armor, or similar) with custom detection rules.
• Strong experience designing network architectures with proper segmentation and isolation patterns.
• Extensive experience with Infrastructure as Code (Terraform preferred) and GitOps practices.
• Proficiency in scripting and automation (Python, Bash, or similar).
• Solid understanding of network security fundamentals: firewalls, routing, DNS, TLS, VPNs.
• Experience implementing or operating SIEM, logging, and security monitoring solutions.

Benefits

• Opportunity to define cloud security architecture at a leading fintech.
• High-impact role with significant technical influence across the organisation.
• Investment in professional development and growth.
• Competitive base salary and discretionary performance bonus.
• Annual conference and training budget.
• Inclusive, collaborative culture with a diverse global team.