✦ Luna Orbit — Cloud & Infrastructure

Senior Software Engineer, Infrastructure Security

at Klaviyo

📍 Dublin, IE Onsite Posted March 18, 2026
Type Full-Time
Experience senior
Exp. Years Not specified
Education Not specified
Category Cloud & Infrastructure

This role involves developing and maintaining secure, scalable infrastructure solutions at Klaviyo, focusing on security, reliability, and performance in a cloud environment.

  • Ship foundational security services
  • Design scalable systems
  • Improve system availability and performance
  • Mentor engineers
  • Participate in on-call duties

The technical environment includes Python, Golang, AWS, Kubernetes, Terraform, MySQL, Redis, and other cloud-native tools to build secure and efficient infrastructure.

The ideal candidate is a senior software engineer with extensive experience in infrastructure security, cloud platforms, and distributed systems. They should be proficient in Python, Golang, and AWS, with a strong focus on scalable, reliable, and secure software solutions.

PythonGolangAWSKubernetesTerraformMySQLRedis
DjangoClickhouseIcebergDataLakeIstio
AWSTerraformKubernetesMySQLRedis
PythonGolangAWSKubernetesTerraformMySQLRedissecuritydistributed systemsperformancescalability
PythonGolangAWSAmazon Web ServicesDjangoKubernetesBashTerraformMySQLRedisClickhouseIcebergDataLakeIstio
collaborationtechnical design reviewmentoringperformance focusproblem-solving
Industry SaaS
Job Function Developing secure, scalable infrastructure solutions for cloud-based systems
Role Subtype Infrastructure Security Engineer
Tech Domains Amazon Web Services, Kubernetes, Terraform, MySQL, Redis
Senior Software EngineerInfrastructure SecurityPythonGolangAWSAmazon Web ServicesKubernetesTerraformMySQLRedisClickhouseIcebergDataLakeIstiosecurityinfrastructuresoftware developmentcloud securityperformancescalabilityreliabilitydistributed systemson-call dutiespythongolangawskubernetesterraformmysqlredis

Lack of experience with AWS or Kubernetes, No experience in infrastructure security, Less than 5 years of relevant experience, No proficiency in Python or Golang

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