Security Engineer, Product Infrastructure - Chainalysis - Massachusetts

Chainalysis is a leader in blockchain technology, providing essential data and solutions for businesses and governments. As a Security Engineer focused on Product Infrastructure, you will enhance the security of a mission-critical platform by collaborating with engineering teams and responding to security incidents.

Responsibilities

Respond to security tickets and alerts: investigate issues, gather context from logs and dashboards, and collaborate with Security Engineering and product/platform teams on next stepsPartner with product, platform, and infrastructure teams to understand security findings, explain risk in clear terms, and support them in implementing secure configurations across AWS/GCP, Kubernetes clusters, and shared servicesUtilize core security tools to protect critical product cloud infrastructure (for example Wiz, CrowdStrike, SonarCloud, Okta, and related platforms)Participate in an on-call rotation (with onboarding and shadowing) for security incidents and critical security tooling issues, providing structured triage, documentation, and communication until resolution or hand-offContribute to security reviews for new services and major infrastructure changes, helping identify misconfigurations and recommending practical mitigations that fit team workflowsLearn to read and make small, well-reviewed changes to Infrastructure-as-Code (Terraform) and Kubernetes configurations to help embed guardrails, hardening standards, and security checks into our infrastructure and CI/CD pipelinesCollaborate with partners across Security, IT, Platform Engineering, Legal, Risk, and Investigations, building strong working relationships and practicing clear, empathetic communication
Skills

Hands-on experience in security engineeringHands-on experience with at least one security tool used in modern cloud or product environments (Wiz, Orca. SonarCloud, Upwind, or similar)Scripting experience in Python or Go (or similar) to automate repetitive tasks, integrate tools,