Security & Applications Operations Engineer

QuadSci is a New York-based AI startup that helps B2B SaaS companies predict customer churn, identify expansion opportunities, and optimize revenue operations. Its platform analyzes billions of product telemetry signals, CRM data, and customer interactions to generate predictive insights that enable GTM, Customer Success, Product, and Revenue teams to take proactive action.

• Administer the internal stack (Vanta, Snyk, ngrok, OpenRouter, Exa) and manage credentials, secrets, IAM (SSO/MFA), employee devices and onboarding/offboarding.
• Own internal releases, environments, CI/CD pipelines, rollback and runbooks.
• Administer Salesforce (permissions, workflows, integrations) and support the teams that depend on it.
• Run SOC 2 end to end in Vanta, manage pentests, vulnerabilities (Snyk) and access reviews, and keep security policies and customer questionnaire answers up to date.
• Automate recurring IT, security and compliance work, and document systems and procedures.

• Combined experience in IT operations, application administration, release engineering, infrastructure and security.
• Hands-on experience with SaaS administration, IAM, employee devices and onboarding/offboarding.
• Experience with CI/CD, environment configuration, versioning and rollback.
• Solid security basics: access control, vulnerability management and device security.
• Hands-on experience running a SOC 2 program, with continuous control monitoring and evidence automation in Vanta, Drata or similar.
• Comfortable administering business applications like Salesforce, including integrations and configuration changes.
• Real scripting skills: able to replace a manual control check with a scheduled job.
• Strong ownership, organization and communication; able to work independently.
• Comfortable being the only person in this function, working directly with the CTO and with no security team behind them.