Security Engineer

Founding Internal Security Engineer | AI-native security company | Midtown ManhattanA cybersecurity company building AI agents that detect, investigate, hunt and respond to threats at machine speed is hiring its first internal security engineer. It is one of the fastest-growing security companies of the last few years, with Fortune 500 and Global 2000 customers less than a year after launch. It is backed by some of the best-known operators in the industry, and the founders previously built detection and response products used by tens of thousands of customers.At a security company, internal security isn’t a checkbox. Customers trust this team with their most sensitive telemetry, so the company’s own environment has to meet a higher bar than anyone else’s. You’ll set that bar.What you’ll ownInternal security posture end to end: identity and access, endpoint, email, network and corporate cloudIdentity strategy across SSO, MFA, conditional access and privileged accessInternal threat hunting and incident response, from detection through containment, investigation and post-incident reviewVulnerability management, endpoint hardening and continuous monitoringSecurity policies, standards and documentation, built from zeroSOC 2 Type II and ISO 27001 work, customer security questionnaires, and vendor riskThe security-critical parts of IT, alongside an external IT provider. Day-to-day IT is light and transitional, with a dedicated IT hire planned.What you’ll bring5+ years hands-on in security engineering or corporate security at a startup or scale-upA real threat hunting and detection backgroundIncident response experience you can walk through end to end, from investigation to resolution, not escalationExperience building a security program, policies and documentation from scratchDepth in at least one of IAM, endpoint, cloud or SaaS securityA builder’s mindset: comfortable with ambiguity, excited by zero-to-one, and genuinely interested in security and AINice to have: SOC 2 or ISO 27001 audit experience, workflow automation, side projects, and experience with SIEM, XDR or detection and response tooling.Why it’s worth itYou’ll build the internal security function at a security company, with your work held up against the product you’re protectingDirect access to the founders, high visibility across the company, and a team expected to grow around the functionDaily hands-on use of the company’s own AI security platformA strong cash and equity package at a company growing well ahead of plan212 970 7603e.dickinson@franklinfitch.com