# Senior Security Engineer

**Company:** [Sigma](https://hotfix.jobs/companies/sigma)
**Location:** San Francisco, CA
**Role:** Security Engineering
**Salary:** $175k – $220k/yr
**Experience:** 5+ years
**Skills:** Python, AWS, Azure, GCP, SIEM, Edr, Waf, IAM, Cloud Security, Ai Security, Llm Security, Detections-As-Code, Threat Modeling, Zero Trust
**Posted:** 2026-06-16

> Senior Security Engineer building and scaling security platforms, AI/LLM security controls, detections-as-code, and automation across cloud and SaaS environments. Requires 5+ years hands-on security engineering experience and strong Python/cloud skills.

## Job Description

## What You’ll Do

### Security Engineering
- Design, build, and maintain security platforms, services, APIs, automation, and internal tooling.
- Develop solutions that streamline Cloud vulnerability management, Network Security, Detection engineering, Incident response, access governance, and security operations.
- Use software engineering principles to build detections-as-code, security workflows, internal platforms, and scalable security services.
- Leverage AI extensively to accelerate investigations, automate workflows, improve decision making, and reduce operational overhead.

### AI & LLM Security
- Design and implement security controls for AI applications, LLM-powered services, agents, and AI development workflows.
- Build guardrails and security tooling to identify and mitigate risks such as prompt injection, data leakage, model misuse, excessive permissions, insecure plugins, and unsafe AI interactions.
- Develop monitoring, detection, and response capabilities for AI systems and AI-generated content.
- Partner with product and engineering teams to securely enable AI innovation across the organization.

### Identity & SaaS Security
- Build and maintain detections-as-code across cloud, identity, endpoint, SaaS, and application environments.
- Design and implement security controls across SaaS platforms, workforce identities, privileged access, and machine identities.
- Partner with engineering teams to implement secure-by-design architectures and security best practices.
- Perform architecture reviews and threat modeling for cloud services, AI-enabled applications, APIs, and infrastructure changes.

### Security Innovation & Automation
- Continuously identify opportunities to leverage AI, automation, and modern engineering practices to solve security challenges.
- Develop custom security tools, dashboards, APIs, services, and integrations.
- Evaluate emerging technologies and drive adoption where they provide measurable security and operational value.

## What We’re Looking For

### Required Qualifications
- 5+ years of hands-on experience in Security Engineering or related cybersecurity roles.
- Bachelor or Masters in Computer Science, Cyber Security or similar.
- Strong software engineering mindset with demonstrated experience building production-grade tools, automation, and security platforms.
- Proven ability to build versus buy whenever practical and create scalable internal solutions.
- Strong proficiency in Python or similar languages, with experience building tools, using open source, APIs, automation, and cloud-native services.
- Strong understanding of cloud architecture, identity systems, networking, operating systems, and modern security principles.
- Experience leveraging AI to transform security operations and engineering workflows.
- Hands-on experience securing AWS, Azure, or GCP environments.
- Experience with SIEM, EDR, WAF, Network Security, Cloud security, SaaS security, IAM, and Security monitoring technologies.
- Strong analytical, communication, and problem-solving skills.

### Preferred Qualifications
- Experience building internal security products, platforms, and developer-focused security tooling.
- Strong understanding of AI/LLM technologies, AI security risks, and secure AI development practices.
- Knowledge of Zero Trust, modern identity architectures, and cloud-native security controls.
- CISSP, CCSP, GCIH, GCFA, or equivalent certifications.

## Compensation & Benefits
- Base salary range: $175k - $220k annually.
- Eligible for stock options and comprehensive benefits package.
- Equity, generous health benefits, flexible time off, paid bonding time, 401k, commuter and FSA benefits, lunch program.

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