✦ Luna Orbit — Cybersecurity

Software Engineer II, Infrastructure Security

at Klaviyo

📍 Dublin, IE Onsite Posted March 18, 2026
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Position Details

Type Full-Time
Experience mid
Exp. Years 3+ years
Education Not specified
Category Cybersecurity

About this role

Klaviyo seeks a Software Engineer II in Infrastructure Security to develop and operate cloud-native security systems. The role involves working with distributed systems, container orchestration, and automation to enhance security posture.

Key Responsibilities

  • Design and build security services
  • Operate cloud-native security systems
  • Improve system security and reliability
  • Collaborate on security architecture
  • Respond to security incidents

Technical Overview

The role involves building secure, scalable distributed systems using Python, Golang, AWS, Kubernetes, and Terraform, focusing on security, automation, and operational excellence.

Ideal Candidate

The ideal candidate is a mid-level cybersecurity engineer with experience in building and operating cloud-native distributed systems, proficient in Python or Go, with strong knowledge of AWS, Kubernetes, and security best practices.

Must-Have Skills

Solid experience building and operating cloud-native distributed systemsPython or GoAWSKubernetesSecurity systems

Nice-to-Have Skills

Container orchestrationTerraformSecurity automationIncident response

Tools & Platforms

PythonGolangAWSKubernetesTerraformData stores

Required Skills

PythonGolangAWSKubernetesTerraformData storesSecurityDistributed systems

Hard Skills

PythonGolangAWSKubernetesTerraformData storesSecurityDistributed systems

Soft Skills

Security mindsetCollaborationProblem-solvingOperational excellenceCommunication

Industry & Role

Industry SaaS
Job Function Developing and maintaining cloud-native security infrastructure
Role Subtype Security Engineer
Tech Domains Python, Golang, Amazon Web Services, Kubernetes, Terraform, Data stores

Keywords for Your Resume

cybersecuritycloud-nativedistributed systemssecuritypythongolangawskubernetesterraformsecurity systemsincident responsesecurity automationcontainer orchestrationdistributed securitycloud security

Deal Breakers

Lack of experience with cloud-native distributed systems, No experience with Python or Go, No AWS or Kubernetes experience, Remote work only

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