Blacksmith
Cloud Infrastructure & DevToolsDirect Ashby career site

Senior Systems Engineer

Location
New York City, NY · On-site
Job type
Full-time
Level
Senior
Experience
5+ years
Listed
23 days ago

Skills & highlights for this role

  • C
  • C++
  • Go
  • Rust
  • Zig
  • distributed systems
  • Ceph

Also useful

  • Ansible
  • Puppet
  • Chef
  • MinIO

Stated benefits & perks

  • Health
  • Dental
  • Vision
  • 401k match
  • Unlimited pto

You are a good fit if you

  • Have developed and scaled distributed systems and enjoy digging into performance and reliability issues across the filesystem, network, and storage stack.
  • Are comfortable writing and debugging in C, C++, Go, Rust, or Zig, and care deeply about efficiency, correctness, and safety at the systems level.
  • Are excited by the idea of self-hosting and managing infrastructure with build automation and configuration management tools (e.g., Ansible, Puppet, Chef).
  • Have familiarity with distributed storage systems like Ceph or MinIO, or are eager to get hands-on with them.
  • Have 5+ years of software development experience, ideally in performance-critical or distributed environments.
  • Enjoy working in person 5 days a week in NYC with a small, tight-knit team.
  • Thrive in the ambiguity of an early-stage startup and are energized by building from first principles.

Bonus

  • You’ve dabbled in your own side hustles or start-up projects.
  • You’re comfortable creating new processes and iterating on them quickly.

Compensation and benefits

  • Medical, Vision, and Dental insurance.
  • Competitive base + equity.
  • 401K match.
  • Unlimited PTO.
  • Annual offsite.
  • Early-exercise stock options
  • 12 weeks fully paid parental leave (US)

About Blacksmith

  • We started by building infrastructure to run CI workloads really fast. Our first product helps companies run GitHub Actions substantially faster and cheaper by owning and operating our own global fleet of bare-metal machines rather than renting generic cloud VMs.
  • Today, we orchestrate tens of millions of Firecracker VMs each week, running CI for 7,000+ companies and tens of millions in ARR. We’ve grown 10x so far in 2026.
  • We operate thousands of bare-metal machines across multiple regions, regularly schedule 100k+ vCPUs concurrently, and run a petabyte-scale Ceph cluster that we manage ourselves.
  • We’ve raised $58.5M from Seed to Series B, led by Google Ventures (GV) & Peak XV Partners, and we’re intentionally building a small, but exceptional team.
  • Blacksmith was founded by a team with deep systems and scaling experience, including building search/ads infrastructure at Faire, and operating large distributed systems at Cockroach Labs. Our GTM is led by Jon Boyer, formerly Head of Sales at Zapier.
  • We're now extending the same CI infrastructure into a broader platform: running agent sandboxes at scale and building our own background coding agent on top of it.
Read the original posting

From Blacksmith's careers page, first listed on Rolev.ai on October 17, 2026. Rolev.ai is not the employer.

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Common questions

Where is the Senior Systems Engineer job at Blacksmith located?

This Senior Systems Engineer position at Blacksmith is located in New York City, NY (On-site). Always check Blacksmith's application page for specific state eligibility or relocation policies.

What qualifications are required for Senior Systems Engineer at Blacksmith?

For the Senior Systems Engineer role, Blacksmith highlights 5+ years of relevant experience; experience with C, C++, Go, Rust, Zig, distributed systems. Rolev.ai can score your existing resume against these requirements and show any skill gaps before you apply.

How do I apply for the Senior Systems Engineer position at Blacksmith?

This listing links directly to Blacksmith's Ashby application page. You can apply directly on Blacksmith's site, or use Rolev.ai to check your resume fit, generate a zero-hallucination tailored resume and cover letter for this posting, and autofill the Ashby application form in 1 click with the Rolev.ai Chrome extension. You always review the form and press Submit yourself.

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