Senior Platform Security Engineer

Salary: $140,000 - 200,000 per year Requirements: Were looking for 5+ years of experience in information security, SRE, or systems engineering. We need strong software development skills in Python or Go, with experience building production services. You should have solid hands-on experience with AWS or comparable cloud platforms, including IAM roles, VPCs, and native security controls. We expect practical experience with Kubernetes/EKS and containerization concepts, including pod security policies and container lifecycle management. You should understand IAM principles, RBAC, and least-privilege access models. You should be proficient in Terraform for infrastructure as code. You must be able to independently define, scope, and deliver technical goals with minimal oversight. Preferred experience includes working with identity providers such as Okta and standards such as SAML/OIDC. Preferred experience includes writing policy as code, such as Open Policy Agent/Rego. A background in Linux systems engineering or network security is a plus. Experience building and operating high-availability critical systems is preferred. Responsibilities: We build and maintain security controls for AWS and Kubernetes EKS environments, including guardrails, container security scanning, and Terraform-based infrastructure security. We support IAM efforts by helping design and maintain access controls, RBAC models, and identity governance workflows. We design, deploy, and maintain internal security services and platforms that other engineering teams depend on. We partner with engineering teams as a security advisor, helping them make secure architecture decisions while supporting innovation. We collaborate across functions with AppSec, Threat Detection, and GRC to identify and reduce risk across the stack. We participate in an on-call rotation for platform security incidents. Technologies: AWS Cloud IAM Support Kubernetes Linux Network Python RBAC SAML Security Terraform Web3 Cryptography More: We are Gemini, a global crypto and Web3 platform founded in 2014 by Cameron and Tyler Winklevoss. We provide simple, reliable, and secure crypto products and services to individuals and institutions in more than 70 countries, and our mission is to unlock the next era of financial, creative, and personal freedom by enabling trusted access to the decentralized future. Our Platform Security team protects our infrastructure through service hardening and the development of foundational security tools, supporting secure-by-default cloud and non-cloud environments. This is a hands-on senior engineering role with production coding responsibilities, strong collaboration across security and engineering, and a hybrid U.S. work approach at our hub offices, with remote options for employees outside hub areas. We also offer competitive pay, a discretionary annual bonus, long-term equity, comprehensive health plans, 401(k) matching, paid parental leave, and flexible time off. last updated 34 week of 2026