Preply

Senior II Security Engineer - Platform

Preply
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1 month ago
London, United KingdomSenior

Responsibilities

  • Own platform security across AWS, Kubernetes, and GCP, emphasizing detection, alerting, and incident response readiness.
  • Lead platform security initiatives from problem definition through production rollout and continuous improvement.
  • Improve Datadog-based detection and response capabilities, including logging coverage, actionable detections, tuning, triage workflows, and escalation paths.
  • Strengthen identity, privileged access, auditability, secrets management, and secure access to internal infrastructure.
  • Improve Kubernetes cluster and workload security through policy enforcement and secure workload identity patterns.
  • Create investigation playbooks and runbooks and participate in Security on-call rotations.
  • Partner with SRE, Data, Engineering, and GRC teams on cross-functional security initiatives.
  • Build security automation that makes secure practices easier for engineers.

Requirements

  • Strong experience securing cloud and platform environments, especially AWS and Kubernetes, with the ability to extend that approach to GCP.
  • Hands-on experience delivering technical security initiatives end-to-end in production environments.
  • Strong understanding of the software development lifecycle and experience with CI/CD and infrastructure as code.
  • Practical identity and access security experience, including familiarity with Okta event monitoring and identity-focused detection patterns.
  • Experience building or maturing security operations capabilities, including triage, runbooks, tuning, and measurable improvement from SIEM inputs.
  • Experience improving logging coverage and signal quality and building actionable, low-noise detections; Datadog SIEM experience is a plus.
  • Strong collaboration, communication, and business judgment skills, including cost-benefit tradeoffs.
  • Minimum C1 English level.
  • Willingness to participate in on-call rotations and partner with SRE during incidents.
  • Preferred experience with Terraform, Jenkins hardening, CI/CD supply-chain security, Cloudflare security controls, scripting or programming for automation, and cloud-native incident response.

Benefits

  • Open, collaborative, dynamic, and diverse culture.
  • Generous monthly allowance for lessons on Preply.com.
  • Learning and Development budget and time off for self-development.
  • Competitive financial package with equity and leave allowance.
  • Opportunity to support learners and tutors through language learning and teaching in 175 countries.

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About Preply

10,000+ employees
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