Senior Infrastructure Security Engineer

This is a fully remote position, open to applicants in United States.

📋 Description

• Take charge of the security configuration for our identity and collaboration stack, encompassing identity and access policies, governance of third-party applications, Data Loss Prevention (DLP), context-aware access, and administrative audits.

• Develop, fine-tune, and sustain detection mechanisms. Create response playbooks for high-signal alerts.

• Enhance the security of our cloud infrastructure, Kubernetes clusters, and CI/CD pipelines.

• Manage the security posture of the endpoint environment, including Mobile Device Management (MDM) configurations and endpoint telemetry.

• Lead and engage in security incident investigations from start to finish.

• Conduct threat modeling and architecture reviews for new internal systems and changes to infrastructure.

• Collaborate with Protocol Security, DevOps, IT Operations, and Product Engineering teams to constructively address risks.

⛳️ Requirements

• A minimum of 5 years of practical experience in infrastructure or detection-and-response security.

• Experience in securing a large-scale, cloud-based identity and collaboration platform, going beyond default configurations.

• Proficiency with modern Security Information and Event Management (SIEM) and Security Orchestration, Automation and Response (SOAR) tools, including writing detections, onboarding log sources, creating response playbooks, and tuning to minimize false positives.

• A strong background in cloud security, covering Identity and Access Management (IAM), network controls, workload identity, and organizational guardrails.

• Hands-on experience securing a macOS-dominant endpoint fleet, including MDM, baseline endpoint hardening, and Endpoint Detection and Response (EDR).

• Knowledge of Infrastructure as Code, secrets management, and security automation practices.

• Real-world incident response experience, having been on-call for security matters and leading investigations to resolution.

• Ability to communicate technical information clearly and constructively to both engineering and non-engineering stakeholders.

🏝️ Benefits

• A culture of freedom and ownership: no time tracking and minimal bureaucracy; results are what count.

• Remote-first work environment: operate from wherever you are most productive, with optional travel for team or industry events.