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Infrastructure Software Engineer

Mercor· Engineering
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San Francisco$160k - $500kFull-timePosted 11mo ago

About the role

Infrastructure Engineer role focused on designing, building, and scaling Mercor's multi-tenant infrastructure and internal platforms to support rapid growth, reliability, and observability across production systems, with a strong emphasis on platform tooling, CI/CD, and cost optimization.

Responsibilities

  • Design and build the platforms that sit between our engineers and the outside world: multi-tenant services that give dozens of teams isolated capacity, routing, quotas, and observability on demand, owned from architecture review through production.
  • Build the internal platforms and solutions that product and research engineers rely on every day, from deploy tooling to on-call automation, with the same design and testing rigor as customer-facing code.
  • Scale our multi-tenant services that fronts every model provider we use, so dozens of internal teams and products get isolated quotas, routing, observability, and capacity on demand without filing a ticket.
  • Run Temporal, Postgres, MongoDB, and our Kubernetes fleet at scale and design for the next 10x growth.
  • Own the reliability program: define SLOs, reduce noisy alerts, make CI/CD deployments boring, and turn incidents into durable fixes.
  • Build the developer platform for an engineering org that ships dozens of times a day, with CI, sandboxes, and deploy pipelines as first-class tooling.
  • Design network and identity boundaries across production, preprod, and research compute to enable fast development with reduced cross-environment risk.
  • Make the cost picture legible: attribute spend across data centers and inference providers, and identify architectural changes to optimize costs.
  • Build tooling that enables self-serve for the rest of engineering, including on-call automation and future automation decisions.

Qualifications

  • Bachelor’s Degree in Computer Science or related technical field (Electrical Engineering, Physics, Mathematics, Computer Engineering, Information Systems or Statistics)
  • 2+ years of relevant industry experience
  • Strong fundamentals in reliability and scalability (failure modes, backpressure, idempotency, capacity planning, how distributed systems break under load)
  • Experience operating production systems with real users
  • Strong software engineering fundamentals: design before you build, Python or Go, testing, code reviews
  • Familiarity with cloud infrastructure (AWS) and infrastructure-as-code (Terraform)
  • Working knowledge of containers; Kubernetes experience is a plus
  • High ownership and ability to propose, ship, and own improvements

Skills

Required:Reliability and scalability fundamentalsProduction systems operationSoftware engineering fundamentals
Nice to have:Cloud infrastructure (AWS)Containers and Kubernetes

Benefits

  • Bi-annual performance bonus structure
  • Generous equity grant vested over 4 years
  • Up to $15k relocation bonus
  • $10K housing bonus (within 0.5 miles of office)
  • $1.5K monthly meal stipend
  • Free Equinox membership
  • $200 monthly laundry reimbursement
  • $200 monthly personal wellness reimbursement
  • Health, Dental, Vision insurance
Last updated Oct 21, 2026. Interested? Apply on the company site.

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