Security Engineer

Rainmaker

El Segundo, CA, United States

Posted on: 2025-06-03

Category: sustainability

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Employment type:

Full time

Experience required:

Intermediate

Salary

Salary not provided

About the company:

Rainmaker provides water for farms, watersheds, and ecosystems, fortifying growth and stewarding the natural world. We are Making Earth Habitable.

Rainmaker is pioneering a modern cloud seeding system to solve water scarcity and inclement weather problems. We develop and incorporate radar validation, weather-resistant UAS, numerical weather modeling, and sustainable cloud seeds into an effective precipitation enhancement solution.

We are seeking our first dedicated security engineer to establish and implement our security program as we scale our cloud seeding operations globally.

The Role

You'll build security into the foundation of our systems as we expand from early operations to global deployment. This role combines hands-on technical work with program development, requiring someone who can both configure firewalls and write security policies. As our first security hire, you'll own the setup of foundational InfoSec and IT infrastructure. You'll secure everything from our atmospheric modeling infrastructure to our fleet of autonomous aircraft.

When applying, please share examples of security programs or initiatives you've built, particularly in organizations with distributed infrastructure or operational technology.

No recruiting agencies

What You'll Do

Design and implement security architecture for our operational platform, including auth/RBAC systems and API security

Establish security standards for our edge computing network of ground stations and aircraft systems

Work closely with our R&D teams to build security into projects from the ground up

Build monitoring and incident response capabilities across cloud infrastructure and field deployments

Own core IT infrastructure including Google Workspace administration, device management, and access provisioning

Develop security policies and procedures appropriate for a rapidly scaling hardware/software companyImplement compliance frameworks for aviation, environmental, and data protection regulations

Secure our scientific data pipeline from collection through analysis and long-term storage

Create security training and awareness programs for engineers, operators, and field personnel

Manage vendor security assessments and third-party integrations (NetSuite, Ramp, cloud providers)

Design secure communication protocols for aircraft-to-ground and station-to-station networks

Required Qualifications

3+ years in security engineering roles with experience building security programs

Strong technical background in cloud security, network security, and application security

Experience securing IoT/OT environments or distributed edge computing systems

Track record of implementing security in fast-moving engineering organizations

Hands-on experience with security tooling (SIEM, vulnerability scanning, secrets management)

Ability to balance security requirements with operational needs

Preferred Technical Background

Cloud security architecture (AWS/GCP/Azure)

Infrastructure as code and secure CI/CD pipelines

Network security and zero-trust architectures

Cryptography and PKI implementation

Python or similar for security automation

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