Platform Security Engineer

Platform Security Engineer LocationHub - San Francisco; Hub - New York; Hub - SeattleEmployment TypeFull timeLocation TypeHybridDepartmentEngineering, Product, Design, and MarketingEngineeringCompensationZone 1Base Pay: $227K – $313KSuperhuman offers a dynamic hybrid working model for this role. This flexible approach gives team members the best of both worlds: plenty of focus time along with in-person collaboration that helps foster trust, innovation, and a strong team culture.About SuperhumanGrammarly is now part of Superhuman, the AI productivity platform on a mission to unlock the superhuman potential in everyone. The Superhuman suite of apps and agents brings AI wherever people work, integrating with over 1 million applications and websites. The company’s products include Grammarly’s writing assistance, Superhuman Docs's collaborative workspaces, Mail’s inbox management, and Go, the proactive AI assistant that understands context and delivers help automatically. Founded in 2009, Superhuman empowers over 40 million people, 50,000 organizations, and 3,000 educational institutions worldwide to eliminate busywork and focus on what matters. Learn more at superhuman.com and about our values here.The OpportunitySuperhuman is building the AI-native future of work: a family of products people and companies rely on to think, write, and get things done faster. We ship AI features and agents at a pace that makes security one of the most interesting problems in the building, and we're looking for a Platform Security Engineer to help us solve it. Your job won't be to slow us down; it will be to make moving fast the safe default. You will be building the identity model, guardrails, and secure-by-default platform that lets our engineers and AI systems operate boldly. You'll work on bleeding-edge AI, data, and platform security problems: securing AI agents and the infrastructure behind them, taming identity sprawl across a multi-product cloud, and hardening the supply chain that ships it all.As a Platform Security Engineer at Superhuman, you will:Design and implement secure-by-default infrastructure that makes the secure path the easiest path for developers across Superhuman's product ecosystem.Pioneer the use of AI and automation to scale security capabilities, from building tooling in collaboration with our SRE and Release Engineering teams to automating vulnerability remediation.Partner with Platform, Release Engineering, SRE, Data Engineering, and Product Engineering teams to define and drive secure-by-default environments supporting product needs.Build bridges between technical and non-technical teams by translating security requirements into actionable roadmaps aligned with business objectives.Balance security excellence with product innovation, making risk-informed decisions that safeguard customer data while enabling Superhuman to move fast.Stand with the Security Team at the forefront of AI security, where you'll help define the playbook for protecting AI-powered systems and tackle novel security challenges.QualificationsHas 5+ years of experience securing cloud infrastructure at scale in AWS, GCP, or Azure.Hands-on cloud security depth, designing and building (not just auditing) secure cloud architecture.Infrastructure as code fluency, Terraform or equivalent, building reusable, secure-by-default modules and policy-as-code.Experience with software supply chain and CI/CD infrastructure security, containerization (Docker, K8s), and an understanding of the associated risks.Understanding of zero-trust and IAM principles for both human and non-human identities.An interest in using AI to solve Security challenges at scale.Familiarity with software engineering or scripting in languages like Python, Java, or Go.The ability to think like an adversary to identify risk, and then build like an engineer to mitigate those risks.Has a demonstrated ability to work independently with minimal guidance, proactively manages tasks and priorities...