Staff Software Engineer, Platform Security

Decagon

. Design and implement secure, multi-tenant infrastructure isolating customer data while enabling efficient AI model serving .

Posted 9/29/2026full-timeUnited StatesLead💰 $200,000 - $400,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in building and operating secure, multi-tenant infrastructure with a focus on automation, observability, and compliance with SOC 2, ISO 27001, and GDPR. Proficient in infrastructure-as-code practices and integrating security into CI/CD workflows.

Highest-signal resume keywords

Google Cloud PlatformAWSTerraformPythonKubernetes Security

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Infrastructure-As-CodeSecurity Best PracticesAI-Assisted ToolingDeveloper-Facing ToolingIncident-Response ToolingSecure Container DeploymentService MeshStatic Analysis ToolsDetection And Response Data PipelinesCoding Ability

Soft Skills

Clear Written CommunicationProblem-Solving

Tools & Technologies

TerraformAnsibleKubernetesKafkaSplunkPantherRunRevealCursorClaude CodeSemgrep

Industry Keywords

SOC 2ISO 27001GDPRInfrastructure SecurityAutomation

Tech Stack

Tools & technologies

AnsibleAWSCloudGoogle Cloud PlatformKafkaKubernetesPulsarPythonSplunkTerraformTypeScriptGo

About the role

Key responsibilities & impact

Design and implement secure, multi-tenant infrastructure isolating customer data while enabling efficient AI model serving
Build security golden paths, including service templates, libraries, Terraform policies, and automation
Own infrastructure-as-code and GitOps best practices, including reusable modules and policy-as-code
Expand and help operate alerting, detection, secrets management, IAM, and automated remediation platforms
Integrate security platforms into CI/CD and developer workflows
Partner with Security, Infrastructure, and product engineering teams to translate SOC 2, ISO 27001, and GDPR requirements into automated technical controls
Participate in security on-call
Improve operability, runbooks, and incident learnings
Shape the technical direction of Decagon's infrastructure security program
Invest in automation, observability, and self-service

Requirements

What you’ll need

8+ years building and operating production infrastructure
Meaningful exposure to security or a strong interest in moving deeper into security problems
Deep knowledge of Google Cloud Platform and/or AWS, including compute, networking, IAM, and security services
Proficiency with infrastructure-as-code such as Terraform or Ansible
Track record of building developer-facing tooling and automation
Strong coding ability in at least one systems language, such as Python, Go, or TypeScript
Experience applying AI-assisted tooling such as Cursor or Claude Code
Experience with secure container deployment, service mesh, and Kubernetes security best practices
Observability and incident-response tooling experience
Clear written communication and ability to turn ambiguous requirements into simple, reliable designs
Experience as an early or founding platform, infrastructure, or security engineer is advantageous
Experience building internal platforms is advantageous
Security-minded approach to software supply chain and familiarity with static analysis tools such as Semgrep or CodeQL
Experience with detection and response data pipelines such as Kafka, Pulsar, Splunk, Panther, or RunReveal
Knowledge of SOC 2, ISO 27001, and GDPR from an infrastructure and platform perspective
Legally authorized to work in the United States
College or university attendance information required in application form

Benefits

Comp & perks

Medical, Dental, and Vision benefits for you and your family
Life Insurance and Disability Benefits
Retirement Plan (e.g., 401K, pension)
Parental Leave
Fertility and family building benefits through Carrot
Monthly stipend to support your wellness, lifestyle, and work-life balance
Daily lunches and snacks in the office
Take what you need vacation policy
UK employees receive 25 days of statutory leave
Equity offers