Senior Security Engineer, Platform Security

Block

. Build security guardrails across cloud, compute, and network infrastructure in AWS, GCP, and hybrid environments .

Posted 11/4/2026full-timeRemote • California • United StatesSenior💰 $217,800 - $326,800 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in securing production infrastructure across AWS and GCP, with a strong focus on automation, infrastructure-as-code, and implementing security best practices. Capable of leading complex projects while balancing security risks and operational needs.

Highest-signal resume keywords

Infrastructure Security ExpertiseAWS SecurityGCP SecurityPython ProgrammingTerraform

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Infrastructure SecurityIAM PoliciesNetwork SegmentationWorkload IsolationCI/CD SecurityKubernetes SecurityAutomationProduction InfrastructureSecurity Risk ManagementSoftware Supply Chain Controls

Soft Skills

Clear CommunicationTroubleshootingMentoring

Tools & Technologies

AWSGCPTerraformAI-Assisted Development Tools

Industry Keywords

Infrastructure-as-CodeSecurity GuardrailsEdge ProtectionsFirewall ControlsSecure Service Communication

Tech Stack

Tools & technologies

AWSCloudGoogle Cloud PlatformKubernetesPythonTerraformGo

About the role

Key responsibilities & impact

Build security guardrails across cloud, compute, and network infrastructure in AWS, GCP, and hybrid environments
Improve IAM and organization-level policies
Automate discovery and prioritization of misconfigurations and sensitive data exposures
Strengthen Kubernetes, container isolation, CI/CD secrets, image signing, and software supply chain controls
Develop network segmentation, ingress and egress policies, firewall controls, and edge protections
Build and operate production services, integrations, and infrastructure-as-code
Partner with platform and application teams to embed secure defaults
Prioritize improvements using security findings, operational telemetry, and business context
Participate in the Platform Security on-call rotation and turn recurring support needs into automation
Lead projects from design through rollout, document technical decisions, mentor, and participate in engineering reviews

Requirements

What you’ll need

8+ years of experience as a software, infrastructure, or security engineer, including 4+ years securing production infrastructure at scale
Hands-on experience securing production infrastructure in AWS and/or GCP
Deep expertise in infrastructure security
Understanding of least privilege, workload isolation, network segmentation, and secure service communication
Strong programming skills in Python, Go, or a similar language
Experience with Terraform or similar infrastructure-as-code tools
Ability to deliver complex projects and balance security risk, reliability, and developer experience
Clear communication and troubleshooting skills
Experience using AI-assisted development tools while validating code, tests, and security implications

Benefits

Comp & perks

Remote work
Medical insurance
Flexible time off
Retirement savings plans
Modern family planning
Reasonable accommodations throughout the recruitment process