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Senior Security Engineer II – Cloud & Data Security

Sigma ComputingNew York City, NY
On-site Full-time $200K/yr - $240K/yr

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Experience Level

Senior

Qualifications

Extensive experience in cloud security engineering, particularly with AWS, GCP, and Azure. Strong understanding of security architecture and best practices. Proficient in threat modeling and incident response. Experience with IAM strategies and controls. Demonstrated ability to automate security processes and implement effective security controls. Excellent communication skills to collaborate with cross-functional teams.

About the job

About the Role

Sigma Computing is seeking a Senior Security Engineer II focused on Cloud & Data Security to help safeguard our large-scale, cloud-native SaaS platform. This position centers on engineering: building security solutions, not just operating existing tools.

The role calls for a subject matter expert in cloud security architecture. Collaboration with Engineering, Security, and Product teams is key, as is designing scalable controls that support business growth. Responsibilities include creating secure architectures, integrating controls into infrastructure-as-code, and setting up automated guardrails so teams can move quickly without waiting for manual security sign-offs.

This is a hands-on position for someone who thrives in complex cloud environments, values automation, and knows how to scale security for a growing SaaS company.

What You Will Do

  • Architectural Leadership: Work closely with infrastructure and engineering teams to embed security into development workflows. Lead technical discussions that shape security strategy and initiatives.
  • Multi-Cloud Engineering: Design, implement, and refine Sigma’s cloud security across AWS, GCP, and Azure, using deep architectural expertise.
  • Threat Modeling & Incident Response: Conduct threat modeling for cloud environments and handle incident response, including investigation and remediation of malicious activity.
  • Identity & Access Management: Develop strategies for IAM and privileged access (RBAC/ABAC, federation, least privilege, cross-account access). Remove standing privileges and long-lived credentials, and promote zero-trust and privileged access controls across IaaS and SaaS.
  • Cloud Data Security Controls: Implement data classification, encryption/KMS, masking/tokenization, access governance, retention and deletion policies, and reduce exfiltration risks across APIs and data pipelines.
  • Automated Remediation Workflows: Build automated responses for recurring cloud misconfigurations, drift, and policy violations to improve operational efficiency and response times.
  • Security Stack Management: Deploy and manage cloud-native services, including CSPM, CNAPP, DSPM, SIEM, DLP, WAF, Kubernetes, and container security tools.
  • Network Defense: Evaluate and implement zero-trust network security measures.

Location: New York City, NY

About Sigma Computing

Sigma Computing is a cutting-edge technology company dedicated to providing innovative solutions in the cloud and data security space. Our mission is to empower businesses with secure, scalable, and efficient cloud-native applications.

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