Senior IT Engineer

South San Francisco, United States
Full-time

About the role

We are looking for a Senior IT Engineer with 7+ years of experience to own IT across Plasmidsaurus's 10 global labs. Each lab runs like a mini data center, with GPU compute clusters and hundreds of robots. We want a hands-on tinkerer from a high-growth startup who has built physical sites before, prefers custom network stacks to managed dashboards, and wants to grow into leading the IT team as we scale.

What will you be doing?

  • Build out new labs from the ground up, with about 5 site buildouts planned for next year: buying networking hardware, connecting devices, and configuring the network
  • Run and expand our custom networking stack (pfSense and MikroTik), using automated provisioning with Terraform and Ansible, and support heavy data flow between labs
  • Own core IT: Google Workspace, Rippling, onboarding and offboarding, laptop and device management, and access permissions (RBAC)
  • Lead security and compliance work, including SOC 2 (Vanta/Drata), endpoint security, pen tests, and phishing simulations
  • Report directly to Rishub, then build and lead the IT team as we hire more people

Key Requirements

  • 7+ years in IT, including hands-on experience building out physical sites, offices, or labs at a company with a physical product (not pure SaaS or consulting)
  • Hands-on experience with custom network infrastructure (MikroTik, pfSense/OPNsense, or UniFi) rather than managed dashboards like Meraki
  • Most of your career spent at high-growth startups (Series A–D), with steady tenure (about 2–4 years per role)
  • Basic scripting in Python and Bash. A home lab or hobby projects are a big plus
  • A strong communicator who pushes back comfortably and wants to move into management

About Plasmidsaurus

Plasmidsaurus is on a mission to accelerate new cures and promote a healthier planet by unlocking a new level of productivity for scientists. Our sequencing services are used daily by thousands of innovators, including Nobel laureates, Fortune 100 pharma, and over 70,000 scientists.

We began by revolutionizing plasmid sequencing, making it exponentially cheaper and faster, with innovative sequencing technologies and a global network of laboratories that turn samples into answers in hours, not weeks.

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.

Required skills

pfSense
OPNsense
MikroTik
RouterOS
UniFi
Terraform
Ansible
GitHub Actions
Tailscale
WireGuard
VLAN/DHCP/DNS
Google Workspace
Rippling
SentinelOne
Okta
SSO/SAML/SCIM
RBAC
MDM
Vanta
Drata
SOC 2
AWS
Python
Bash
PowerShell
Google Apps Script
Linux
macOS
Windows

Other roles at Plasmidsaurus

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Job details

Salary

$170,000 - $195,000

Location

South San Francisco, United States

Experience

7+ years

Company

NamePlasmidsaurus
Industrylife_sciences, ai, healthcare, robotics
Team Size100

Funding

Total raised

$29M

Last stage

Series B

Investors

FFifty Years
CCompound

Founders

Mark Budde

Mark Budde

Co-Founder and CEO

LinkedIn
EJ

Eric Johnson

Co-Founder

LinkedIn
KK

Kevin Ko

Co-Founder and COO

LinkedIn

What happens next.

No applications, no recruiter spam. Just the intro.

01

Confirm the fit

A few questions to make sure this role is the right shape for you. Two minutes.

02

I pitch you to the company

I write the intro, send it to the founder, and handle the back-and-forth.

03

A meeting lands on your calendar

If they’re a yes, I book the chat. You show up — that’s the whole job-hunt.