Plasmidsaurus

Plasmidsaurus

Senior Platform Engineer

San Francisco · Senior

Sponsorship not specifiedDetected 12 days ago
PythonGitAWSCloud PlatformsTerraformAnsibleCI/CDGitHub ActionsLinuxPlatform EngineeringCybersecurityPenetration TestingIncident ResponseRoboticsDNSFirewallResearchCollaboration

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odds of building a lasting career here

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Cap-exempt (no lottery)0
Sponsors this role80
Entry-level history0
PERM / green-card track0
Lottery odds40
Fits your clock70

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Employer immigration record

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Files H-1B transfers

1 transfer filing in the last year, covering 1 worker. Median labor-condition decision: 164 days. An employer that already files transfers is one that can take over an existing H-1B.

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About the role

  • It powers the sequencers, robots, and compute systems that help scientists around the world speed up their research and get to breakthrough discoveries faster.
  • You'll work across networking, hardware, cloud infrastructure, automation, and security, and you'll have the freedom to architect solutions to complex engineering challenges.

Responsibilities

  • Design and scale the networks powering sequencers, robotics, and compute across our 10 global labs. Own network architecture and reliability, including pfSense, MikroTik, HA firewalls, VLANs, DHCP/DNS, Tailscale, and inter-site connectivity.
  • Build Reliable, Scalable Lab Compute Infrastructure
  • Build and improve the infrastructure supporting our production hardware, including Illumina and Oxford Nanopore sequencers, Opentrons robots, lab instruments, GPU clusters, and storage.
  • Own connectivity, observability, and scalability as sequencing capacity grows.
  • Build and maintain secure, automated device identity and access systems using PKI, AWS IAM Roles Anywhere, and SSH.
  • Own and strengthen the security of our cloud infrastructure, web applications, and APIs through proactive testing, AI-assisted red teaming, and close collaboration with Product Engineering to resolve vulnerabilities.
  • Build and operate vulnerability management across cloud infrastructure, lab devices, and application dependencies, including scanning, patching, and secrets management.
  • Lead technical security incident response, from detection and containment through resolution and postmortems, continuously improving our ability to prevent and respond to threats.
  • Thinks like a builder. You automate repetitive work, improve the systems you inherit, and enjoy taking projects from design through production.

Requirements

  • Bachelor's degree in Computer Science, Engineering, or equivalent practical experience
  • 7+ years of experience in platform, infrastructure, systems, or security engineering, ideally supporting physical production environments.
  • Strong experience automating infrastructure with Python, Terraform, Ansible, and CI/CD workflows using GitHub Actions, including network device configuration and provisioning.
  • Hands-on experience in AWS, including networking (VPC, site-to-cloud connectivity), IAM, and containerized workloads (ECS, Lambda)
  • Hands-on security engineering experience, including web/API penetration testing or red teaming, vulnerability and dependency scanning, and incident response.
  • Experience using AI coding agents as a primary development tool across the software lifecycle, including infrastructure automation, development, and security testing.
  • Experience with PKI, certificate management, and secrets management, ideally including internal CAs, ACME, or AWS Private CA.
  • You are someone who:
  • Deep networking expertise, including routing, VLANs, firewalls, DHCP/DNS, VPNs (including Tailscale), and high-availability architectures. Experience with pfSense or MikroTik strongly preferred.
  • Excellent Linux systems administration skills, including system services, deployments, containers, and infrastructure configuration.
  • Ownership of production reliability, including on-call responsibilities, diagnosing complex infrastructure failures, and restoring service quickly.
  • Experience building observability for fleets of production devices and services, including metrics, logging, and alerting.
  • We encourage you to apply even if your experience doesn't perfectly align with the job description as we seek out diverse and creative perspectives. Team members who love to learn and collaborate in an inclusive environment will thrive with us. We are an equal opportunity employer and do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. If you need additional accommodations to feel comfortable during your interview process, please let us know at careers@plasmidsaurus.com. careers@plasmidsaurus.com

Nice to have

  • Deep networking expertise, including routing, VLANs, firewalls, DHCP/DNS, VPNs (including Tailscale), and high-availability architectures.
  • Experience with pfSense or MikroTik strongly preferred.

Skills

  • About Plasmidsaurus
  • At Plasmidsaurus, our infrastructure doesn't just run software.

Company info

  • Now we are expanding that same disruptive model across all of genomics.
  • With the launch of our new RNA-seq service, we are taking a bold step toward our vision to sequence everything, providing scientists everywhere with faster, simpler, and more affordable access to the data that powers discovery.
  • We are an equal opportunity employer and do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.
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