Site Reliability Engineer

Benefits

Parental leave

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Non-birth-parent leave

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Family-building benefits

• Fertility benefits: Not verified
• Adoption assistance: Not verified
• Surrogacy assistance: Not verified

Mental health support

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Relocation assistance

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Childcare support

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Learning budget

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Verification

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Salary

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401(k) match

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Market context

U.S. role benchmark (BLS OEWS)

$116,543 U.S. median for this role

Projected growth (BLS Employment Projections)

+9.8% - Much faster than average

Matched to SOC 15-1252 - Software Engineering aggregate by role bucket.

Source: U.S. Bureau of Labor Statistics, OEWS, May 2024 and Employment Projections, 2024-2034.

Role

Role function

Engineering From the posting source checked Jun 20, 2026

Seniority

Mid From the posting source checked Jun 20, 2026

Work mode

Onsite From the posting source checked Jun 20, 2026

In-office days

5 days From the posting source checked Jun 20, 2026

Schedule

Shift type

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Weekend work

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Application

Cover letter

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Assessment

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Deadline

Not stated

Where they hire

State eligibility is not yet verified.

About this role

Site Reliability Engineer San Francisco | OnSite THE ROLE We're looking for a world-class Site Reliability Engineer to ensure the reliability, performance, and scalability of our AI infrastructure platform. You'll be building and operating the core systems that power agentic AI at scale. Your mission: keep our ultra-low-latency, stateful, serverless compute engine rock-solid as we serve billions of agent requests for the most sophisticated AI teams in the world. This role is highly technical and execution-heavy. You'll own our reliability posture end-to-end-observability, performance tuning, incident ops, infrastructure health, and the automation systems that keep everything running smoothly. We want you to design new reliability systems, push the boundaries of automation, and continuously evolve the platform to meet the demands of next-generation AI workloads. If you're a builder who thrives on owning critical infrastructure at scale, this role is for you. WHAT YOU'LL DO Collaborating closely with the founders, the infra team, and the dev team-and leveraging AI wherever it creates leverage-you will architect and operate the systems that keep Blaxel fast, resilient, and secure. - Architect, operate, and continuously improve the core infrastructure powering our 25ms cold-start compute engine. - Build and evolve our observability stack (metrics, traces, logs), ensuring we detect issues before users do. - Define, monitor, and drive SLOs/SLIs across key system surfaces to maintain world-class reliability. - Lead incident response with rigor: root cause analysis, post-mortems, and driving systemic fixes. - Design and implement self-healing, automated operational systems to eliminate toil and scale ops. - Work

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