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Open nowPosted 16 hours agoWe saw it 42 min after it went up

Sr. Security Engineer

Rainmaker Technology Corporation19 open roles

Pay
$128,000 – $225,000 a year
Where
El Segundo, CA
Work mode
On site
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Your applicationOpen nowSr. Security EngineerRainmaker Technology Corporation · El Segundo, CA

  1. YouYes, apply to this one.

  2. CV RocketCV written for this posting.

  3. 25 readersRecruiter, hiring manager, skeptic. Round after round.

  4. CV RocketApplied on Rainmaker Technology Corporation's own form.

The reply lands in your private mailbox

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The clock on this job

Early applications get read.

12.3% of postings close within 7 days. Measured by our own scanner across the market. Rainmaker Technology Corporation postings stay open a median of 19 days.

Share of postings closed within
  1. 2.1%1 day
  2. 4.5%3 days
  3. 12.3%7 days
  4. 19.3%14 days
  5. 35.6%30 days
  6. 58.1%60 days
This job: posted 16 hours ago

Rainmaker Technology Corporation median: 19 days open

The posting

Make it rain. Make Snow. Make Earth Habitable.

Rainmaker builds and deploys audacious technologies that work with nature to create an abundant, habitable planet. We are modernizing proven cloud-seeding science with weather-resistant UAS, radar and satellite observations, numerical weather prediction, novel sensing and validation systems, and sustainable seeding technologies. We are building an integrated system to make more freshwater available to farms, ecosystems, and communities.

Our ambition is bold, but we pursue it with humility. We take on difficult problems in the real world with technical rigor, grit, integrity, and an openness to learning and course-correcting. We are hiring individuals with evidence of exceptional ability. If you want to build systems that endure, restore, and deliver the future we were promised, we want to hear from you.

Engineering builds the software, infrastructure, and aircraft systems that power Rainmaker’s cloud-seeding operations. We work with scientists and field operators to turn weather data into reliable systems that help make more freshwater available.

About the Role

What You’ll Do

  • Map critical systems, data flows, and access paths, then turn the highest-priority risks into a practical plan.
  • Build reusable, secure-by-default AWS infrastructure with platform engineers, including least-privilege access, network boundaries, and logging for scientific and operational systems.
  • Review application designs and code, build reusable authentication and authorization patterns, and fix vulnerabilities at their source.
  • Automate access provisioning and revocation, secrets management, and credential rotation across production and company systems, with clear audit trails and recovery paths.
  • Build security checks into development and deployment workflows to catch exposed secrets, vulnerable dependencies, and unsafe configuration changes before release.
  • Build useful detections and automate evidence gathering for investigations. Work with system owners to test incident response and recovery.
  • Make Google Workspace and device configurations secure by default, working with People and Operations to make onboarding and offboarding reliable and easy to use.
  • Partner with aircraft and field teams on secure remote access and communications for systems that operate with intermittent connectivity.
  • Test, monitor, and document security automation so other engineers can maintain it. Simplify controls that create unnecessary alerts, exceptions, or recurring manual work.

What We’re Looking For

  • Experience building and maintaining security automation in production. You can show what risk it reduced, how you tested it, how failures are handled, and what manual work it eliminated.
  • Strong software engineering skills in Python, TypeScript, or a similar language, including testing, code review, deployment, and operating what you build.
  • Hands-on cloud security experience, with the ability to turn access policies, network boundaries, and logging requirements into reusable infrastructure as code.
  • Practical understanding of application security, authentication, authorization, secrets management, and common web and API vulnerabilities.
  • Experience investigating security findings and carrying fixes through to deployment and verification.
  • Sound judgment about risk, reliability, and maintenance costs. You can choose a simple, effective control and explain what should happen now versus later.
  • Ability to work independently, communicate clearly with engineers and non-engineers, and follow through on work that spans teams.

What Will Set You Apart

  • Experience with AWS, Pulumi or Terraform, and GitHub or Buildkite deployment workflows.
  • Experience with Tailscale or WireGuard
  • Security work involving robotics, aerospace, scientific computing, or remote field systems.
  • Experience building self-service security tools or reusable controls that other engineering teams adopted.

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