Staff Security Engineer, Enterprise / SaaS Security

AMER

About Nscale

Nscale is the GPU cloud engineered for AI. We provide cost-effective, high-performance infrastructure for AI start-ups and large enterprise customers. Nscale enables AI-focused companies to achieve superior results by reducing the complexity of AI development. Our GPU cloud bolsters technical capabilities and directly supports strategic business outcomes, including cost management, rapid innovation, and environmental responsibility.

We thrive on a culture of relentless innovation, ownership, and accountability, where every team member takes pride in their work and drives it with excellence and urgency. As an Nscaler, you’ll build trust through openness and transparency, where everyone is inspired to do their best work. If you join our team, you’ll be contributing to building the technology that powers the future.

About the Role

We’re hiring a Staff Security Engineer, Enterprise / SaaS Security to lead the security strategy and architecture for Nscale’s SaaS and enterprise application ecosystem.

In this role, you’ll sit at the intersection of security, IT, and engineering, owning how SaaS applications are secured, managed, and governed across the company. You’ll work closely with Identity, Legal, IT, and Compliance partners to strengthen access controls, improve application governance, and support secure adoption of the tools teams rely on every day.

This is a high-impact Staff-level role focused on reducing risk from shadow IT, building scalable security controls, and enabling the business to move quickly without compromising security. Your work will help shape how enterprise tools are adopted and used across Nscale while balancing strong risk reduction with user productivity.





This role will be part of the integral CISO organization.

What you'll be doing

SaaS Security Strategy & Architecture

- Define and drive Nscale’s SaaS security strategy and roadmap
- Own the security architecture for the company’s SaaS and enterprise application ecosystem
- Build scalable security solutions that support rapid, secure tool adoption across the organization
- Drive user-friendly security approaches that balance protection with productivity

Application Discovery, Governance & Risk Reduction

- Discover and assess SaaS application inventory across the company
- Identify and reduce risks associated with shadow IT
- Establish governance for application onboarding, risk reviews, and vendor security assessments
- Manage how SaaS applications are secured and governed throughout their lifecycle

Access Controls & Identity Integration

- Design and enforce secure configurations and access controls across SaaS platforms
- Partner with Identity teams to implement SSO, SCIM provisioning, and lifecycle management
- Implement and automate least-privilege access and role-based controls across enterprise tools
- Strengthen enterprise access models in alignment with identity systems and governance standards

Security Controls, Monitoring & Cross-Functional Enablement

- Build and scale SaaS security controls, including CASB/SSPM, posture management, and monitoring
- Integrate SaaS platforms into logging, monitoring,



and detection systems
- Partner with Legal, IT, and Compliance teams to align with security policies and regulatory requirements
- Influence stakeholders across functions on secure adoption and use of enterprise tooling

KPIs

- Shadow IT identification and reduction
- SSO, SCIM, and lifecycle management implementation
- Least-privilege and role-based access control adoption
- SaaS platform logging, monitoring, and detection coverage

About You

- 8+ years of experience in security engineering, with a strong focus on enterprise and SaaS security
- Deep experience securing major SaaS platforms such as Google Workspace, Microsoft 365, Okta, Slack, and Salesforce
- Strong understanding of identity integration, including SSO, SCIM, and lifecycle management
- Experience with SaaS security tools such as SSPM, CASB, or equivalent platforms
- Experience identifying and mitigating shadow IT risks
- Familiarity with access control models and enterprise identity systems
- Ability to operate at a Staff level, owning systems and driving cross-functional initiatives
- Confidence influencing stakeholders across security, IT, engineering, Legal, and Compliance
- Nice to have: familiarity with API security and SaaS integrations
- Nice to have: experience with automation, SaaS governance tooling, compliance frameworks, or integrating SaaS telemetry into SIEM or detection pipelines

What we can offer you

At Nscale, you'll find a collaborative, supportive, and innovative environment where your contributions spark real impact. We're building something extraordinary, and we want you at the core.

Highly competitive US compensation package (base + bonus + equity), with performance reviews every 12 months.

📌 Staff Security Engineer, Enterprise / SaaS Security - Amer, Cataluña, Spain
🏢 Talent
📍 Amer