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Posted Apr 13, 2026

[Remote] Senior Security Engineer – Threat Modeling & Security Engineering

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Note: The job is a remote job and is open to candidates in USA. Symosis Security is a boutique cybersecurity firm focused on security engineering, SaaS risk automation, and AI/ML security. They are seeking a Senior Security Engineer to support a high-impact enterprise SaaS security program, combining architecture-level security reviews with hands-on security engineering and automation. Responsibilities • Lead architecture reviews for new suppliers and major system changes • Create Data Flow Diagrams (DFDs), identify trust boundaries, and perform structured threat modeling (e.g., STRIDE) • Evaluate OAuth/OIDC authentication models, API exposure, RBAC design, logging controls, and integration risks • Identify security gaps and provide clear, actionable remediation guidance • Engage directly with engineering and product teams in technical discussions • Build and maintain secure, read-only API integrations for enterprise SaaS platforms • Extract and normalize configuration and security telemetry (RBAC, MFA/SSO, API keys, audit logs) • Handle real-world API concerns including pagination, rate limiting, token refresh, and error handling • Contribute to data pipelines (Databricks or similar platforms) • Implement security rule logic aligned to enterprise standards • Support operational dashboards and reporting workflows Skills • 5+ years in Security Engineering, Product Security, Cloud Security, or Application Security • Hands-on experience conducting formal threat modeling and architecture risk assessments • Strong understanding of OAuth/OIDC, API security, RBAC, and SaaS configuration controls • Proven engineering experience with: Python • REST APIs • JSON-based integrations • Data pipelines and schema normalization • Experience building production-grade API connectors • Ability to independently lead technical conversations with engineering teams • Experience with enterprise SaaS environments • Familiarity with Databricks, Azure, or similar data platforms • Exposure to AI/ML security concepts Company Overview • Symosis Security is a security, privacy, risk, and compliance consulting firm. It was founded in 2004, and is headquartered in Phoenix, Arizona, USA, with a workforce of 11-50 employees. Its website is https://www.symosis.com. Company H1B Sponsorship • Symosis Security has a track record of offering H1B sponsorships, with 2 in 2022, 1 in 2021. Please note that this does not guarantee sponsorship for this specific role.
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