Senior Platform Engineer – Lab Infrastructure, Security

Plasmidsaurus

. Design and scale networks powering sequencers, robotics, and compute across 10 global labs .

Posted 10/10/2026full-timeSan Francisco • California • United StatesSenior💰 $205,000 - $250,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in network architecture, automation, and security engineering, with a strong focus on building and maintaining scalable infrastructure for production environments. Proficient in using advanced tools and methodologies to enhance network reliability, security, and observability.

Highest-signal resume keywords

Network ArchitectureInfrastructure AutomationSecurity EngineeringCloud Infrastructure ManagementLinux Systems Administration

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

PythonTerraformAnsibleCI/CDRoutingVLANsFirewallsDHCP/DNSAWSPKI

Soft Skills

Problem-SolvingIncident ResponseCollaboration

Tools & Technologies

PfSenseMikroTikTailscaleGitHub ActionsECSLambdaAI Coding Agents

Industry Keywords

Production EnvironmentsObservabilityVulnerability ManagementHigh-Availability ArchitecturesDevice Identity Management

Tech Stack

Tools & technologies

AnsibleAWSCloudDNSFirewallsLinuxPythonTerraform

About the role

Key responsibilities & impact

Design and scale networks powering sequencers, robotics, and compute across 10 global labs
Own network architecture and reliability, including pfSense, MikroTik, HA firewalls, VLANs, DHCP/DNS, Tailscale, and inter-site connectivity
Architect and deploy networking for new labs and expansions, including rack and switch infrastructure and 10Gb connectivity
Automate network provisioning and configuration with Terraform, Ansible, and CI/CD
Build and improve infrastructure supporting 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
Strengthen cloud infrastructure, web application, and API security through proactive testing, AI-assisted red teaming, and vulnerability remediation
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
Improve infrastructure reliability, security, and threat prevention capabilities

Requirements

What you’ll need

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
Deep networking expertise, including routing, VLANs, firewalls, DHCP/DNS, VPNs including Tailscale, and high-availability architectures
Experience with pfSense or MikroTik strongly preferred
Hands-on AWS experience, including VPC, site-to-cloud connectivity, IAM, ECS, and Lambda
Excellent Linux systems administration skills, including system services, deployments, containers, and infrastructure configuration
Hands-on security engineering experience, including web/API penetration testing or red teaming, vulnerability and dependency scanning, and incident response
Production reliability ownership, including on-call responsibilities, diagnosing complex infrastructure failures, and restoring service quickly
Experience using AI coding agents as a primary development tool across infrastructure automation, development, and security testing
Experience with PKI, certificate management, and secrets management, ideally including internal CAs, ACME, or AWS Private CA
Experience building observability for fleets of production devices and services, including metrics, logging, and alerting
Legally authorized to work in the United States

Benefits

Comp & perks

Equity
Inclusive work environment
Interview accommodations available
Equal opportunity employment