Member of Technical Staff, Security

Wafer • San Francisco, CA

4d • Onsite

About The Position

Wafer is seeking a hands-on security engineer to help secure the systems behind its inference cloud. This engineering role works directly with engineers to identify weaknesses, build practical protections, and integrate security into software design, delivery, and operations. The role involves writing code, reviewing designs, and owning fixes.

Requirements

• Experience building and securing production software or cloud infrastructure.
• Strong programming and debugging skills, including the ability to investigate unfamiliar systems and ship reliable fixes.
• Practical understanding of application and API security, cloud identity, Linux systems, networking, and secrets management.
• Good judgment about risk and tradeoffs, with the ability to prioritize meaningful protections and explain reasoning clearly.
• A record of taking ownership and working closely with engineers from investigation through remediation.

Nice To Haves

• Experience with distributed systems, multi-tenant infrastructure, or AI inference platforms.

Responsibilities

• Review application, API, and infrastructure designs for authentication, authorization, tenant-isolation, and data-handling risks.
• Build and improve controls for identity, least-privilege access, secrets, and service credentials.
• Partner with infrastructure engineers on private networking, workload isolation, and secure cloud configuration.
• Find, prioritize, and fix vulnerabilities, and verify that remediation addresses underlying issues.
• Improve security logging, detection, and incident response, including practical tools and automation.
• Make secure development easier through design reviews, code reviews, and automated checks.
• Work with the compliance owner to provide technical evidence for audits and customer reviews, and implement required engineering changes.

Benefits

• 401(k) retirement plan.
• Fully covered medical, dental, and vision insurance.
• Daily lunch and dinner.
• Unlimited PTO.
• Parental leave.
• $1K/month post-tax housing stipend for employees who live within walking distance (0.5 miles) of the office.
• Covered Uber/Waymo rides to and from the office.
• Relocation allowance and benefits.
• Visa sponsorship available.

What This Job Offers

• Job Type: Full-time
• Education Level: No Education Listed