Aws Security Engineer

Our partner is looking for a Security Engineer III - Security Operations based in Spain.Join a globally distributed engineering team focused on protecting critical cloud infrastructure and strengthening security operations within a modern payments environment.
As a Security Engineer III, you will take ownership of key detection and response capabilities, helping identify emerging threats, investigate incidents, and improve security coverage.
You will build and optimize SIEM detections, automate response workflows, and develop reliable security tooling using Python and infrastructure-as-code practices.
Working across cloud infrastructure, compliance, and incident response, you will help reduce operational risk while making security processes more efficient.
This role offers meaningful technical ownership, opportunities to improve security maturity, and collaboration with a team that values autonomy, continuous learning, and clear communication.Accountabilities:You will own key aspects of security detection and response, from developing detection rules and investigating incidents to automating workflows and maintaining audit-ready controls.Build, tune, and maintain security detections across Elastic SIEM and AWS environments, identifying and closing gaps in existing threat coverage.Manage the security investigation queue by triaging alerts, investigating suspicious activity, escalating incidents when necessary, and driving issues toward resolution.Develop and maintain runbooks and automation workflows using Python and no-code tools such as Zapier or Tines to reduce manual work and accelerate incident response.Support compliance initiatives by maintaining audit-ready security controls and contributing evidence for frameworks such as SOC 2 and PCI DSS.Use Terraform and Python to build, maintain, and improve the infrastructure supporting security detections and operational tooling.Participate in the on-call rotation for security monitoring and incident response.Requirements:The ideal candidate has practical experience in security operations and cloud-native threat detection, with strong scripting skills and the ability to investigate incidents independently.
You should be comfortable taking ownership of security outcomes while communicating findings and risks clearly.Experience with Elastic is preferred, while Splunk, Microsoft Sentinel, or comparable platforms is also relevant.Practical experience securing AWS environments and implementing cloud-native detection and response capabilities.Proficiency in Python for scripting, automation, and security tooling.Experience with Terraform or other infrastructure-as-code technologies.Demonstrated experience triaging, investigating, and resolving security incidents.Ability to work independently, prioritize security issues, and take ownership of assigned responsibilities.Willingness to participate in an on-call rotation for monitoring and incident response.Experience with security orchestration, automation, and response (SOAR) platforms or no-code security automation tools.Benefits:Remote work: Fully remote working environment within a globally distributed team.Flexible holiday policy, with a minimum of 25 days to be taken.Equipment: High-quality equipment suited to your role.Home office support: £500 contribution toward your home office setup.Generous learning budget to support continued professional growth.Healthcare: Private medical insurance.