Unknown Company

Sr. Systems Engineer

garden grove, ca • Posted 5 days ago
Hybrid Full Time IT & Technology

Overview

Harbinger is an American commercial electric vehicle (EV) company on a mission to transform an industry starving for innovation. Harbinger’s best-in-class team of EV, battery, and drivetrain experts have pooled their deep experience to bring a first-of-its-kind EV platform to support the growing demand for medium-duty EVs and Hybrids. Harbinger: Familiar Form, Revolutionary Foundation.

Responsibilities

  • Own cloud and on-premises infrastructure architecture across corporate and manufacturing environments.
  • Architect and operate a multi-region, multi-account AWS environment using Terraform as the foundation for company-wide workloads.
  • Design and maintain a hub-and-spoke network across 4+ physical locations using AWS TransitGateway and site-to-site VPN tunnels, with centralized routing and security controls.
  • Maintain a hierarchical IP addressing schema spanning cloud and on-prem to prevent routing conflicts and support third-party integrations.
  • Design and operate highly available infrastructure for the Manufacturing Execution System (MES) supporting 80+ workstations and 30+ IoT-connected tools across production, staging, and development.
  • Integrate EV charging infrastructure and build custom IoT monitoring for critical factory, facilities, and warehouse systems to reduce operational risk.
  • Manage physical infrastructure including bare-metal servers, Ubiquiti networking, Synology storage, and UPS-backed IDF/server room environments.
  • Partner with manufacturing, IT, security, and engineering teams to deliver infrastructure that meets uptime and security requirements for a 24/7 production environment.

Qualifications

  • 7+ years of systems, infrastructure, or DevOps engineering experience, including ownership of production environments.
  • Strong AWS experience: multi-account architecture, VPC design, Transit Gateway, IAM, and core services (EC2, RDS, S3, ECS, Lambda, CloudWatch).
  • Deep Terraform experience managing infrastructure as code across multiple environments.
  • Solid networking fundamentals: routing, subnetting, VPNs, firewalls, and IP schema design across hybrid environments.
  • Experience with on-premises infrastructure: bare-metal servers, enterprise networking (Ubiquiti, Cisco, or similar), storage, and IDF/server room operations.
  • Scripting and automation skills in Python, Go, or similar.
  • Comfort working in environments where infrastructure issues have direct operational impact (manufacturing, broadcast, trading, healthcare, etc.).

Nice to Have

  • Experience in a manufacturing, industrial, or OT/IoT environment.
  • Familiarity with Manufacturing Execution Systems (MES) or other production-floor software.
  • Experience with Ansible, Packer, and CI/CD tooling (Buildkite, CircleCI, GitHub Actions).
  • Virtualization experience (Proxmox, VMware ESXi).
  • Background supporting a fast-growing startup through scaling phases.
  • Early-stage Stock Options
  • Robust Retirement Savings (401k, HSA, FSA)
  • Annual Vacation Bonus
  • Wellness & Fertility Benefits
  • Cell Phone Stipend
  • Complimentary Meals & Stocked Kitchens

$120,000 - $150,000 USD

Equal Opportunity

Harbinger is an equal opportunity employer and complies with all applicable federal, state, and local fair employment practices laws. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, ancestry, sex, sexual orientation, gender, gender expression, gender identity, genetic information or characteristics, physical or mental disability, marital/domestic partner status, age, military/veteran status, medical condition, or any other characteristic protected by law.

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