Member of Technical Staff, Security
San Francisco, CAFull-timePosted todayStill listed today
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At a glance
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Job overview
Wafer is seeking a hands-on security engineer to secure the systems behind its inference cloud. The role works directly with engineers to identify weaknesses, build protections, and integrate security into software design, delivery, and operations. The engineer will write code, review designs, and own fixes. Experience with distributed systems, multi-tenant infrastructure, or AI inference platforms is useful.
Skills & qualifications
Skills
Qualifications
Benefits
Full job description
Wafer is the fastest inference cloud for open source models. We're looking for a hands-on security engineer to help secure the systems behind our inference cloud. You'll work directly with engineers to find weaknesses, build practical protections and make security part of how we design, ship and operate software. This is an engineering role: you'll write code, review designs and own fixes. What you'll do
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Review application, API and infrastructure designs for authentication, authorization, tenant isolation and data-handling risks.
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Build and improve controls for identity, least-privilege access, secrets and service credentials.
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Partner with infrastructure engineers on private networking, workload isolation and secure cloud configuration.
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Find, prioritize and fix vulnerabilities, and verify that remediation addresses the underlying issue.
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Improve security logging, detection and incident response, including practical tools and automation.
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Make secure development easier through design reviews, code reviews and automated checks.
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Work with our compliance owner to provide technical evidence for audits and customer reviews, and implement the engineering changes they require.
What we look for
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Experience building and securing production software or cloud infrastructure.
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Strong programming and debugging skills, with the ability to investigate unfamiliar systems and ship reliable fixes.
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A practical understanding of application and API security, cloud identity, Linux systems, networking and secrets management.
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Good judgment about risk and tradeoffs. You can prioritize meaningful protections and explain your reasoning clearly.
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A record of taking ownership and working closely with engineers from investigation through remediation.
Experience with distributed systems, multi-tenant infrastructure or AI inference platforms is useful. Benefits
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401(k) retirement plan.
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Fully covered medical, dental, and vision insurance.
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Daily lunch and dinner, unlimited PTO, and parental leave.
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$1K/month housing stipend (post-tax) if you live within walking distance (0.5 miles) from the office.
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Covered Uber/Waymo from/to office.
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Relocation allowance and benefits.
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Visa sponsorship available.
How we work Full-time, on-site in San Francisco.
How this job compares
Set against the 4,219 open Security Engineer jobs on Olive Jobs, counted November 5, 2026.
- Pay
- This postingNot listed
- California median$167–250K/yr657 salary ranges
- US median$60–70/hr81 hourly ranges
- Openings
- Olive Jobs lists 800 open Security Engineer jobs in California and 4,219 across the US. 9% of them nationwide are listed as remote or flexible.
- Experience
- Security Engineer postings that state a minimum ask for 5 years of experience at the median; the middle half ask for 4 to 8 years (3,620 postings).
- Education
- 1,290 of the 4,219 open Security Engineer jobs (31%) ask for a bachelor's degree or higher.
Counted across the open, public US postings on Olive Jobs on November 5, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.
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