• The Career Coyote
  • Posts
  • 🐺 Energy Systems, Invisible Infrastructure and Ocean Autonomy

🐺 Energy Systems, Invisible Infrastructure and Ocean Autonomy

The San Diego companies worth paying attention to right now

March 03, 2026

San Diego companies are building across oceans, skies, supply chains, and human health.

If you’re on the hunt, there’s real momentum this week.

And if you’re hiring in San Diego, send us your roles

Howl yeah, let’s dive in!

Extreme environments need extreme batteries.

South 8 is pioneering the world’s first liquefied gas electrolyte for lithium-ion batteries. Their technology improves battery performance in harsh conditions, making it ideal for defense, aerospace, and cold-weather applications.

Momentum signals:

  • Secured $11M in additional funding (December 2025)

  • Signed letter of intent with 3ME Technology for Arctic-ready batteries (February 2026)

  • Announced partnership with LG Energy Solution for aerospace batteries (November 2025)

Open SD roles:

  • Controls Engineer

  • Battery Pack Applications Engineer

If you work in advanced materials, battery engineering, or defense-adjacent systems, this one is worth a look.

What if everyday objects could talk to the cloud, without batteries?

Wiliot builds battery-free IoT sensors that connect physical products to digital intelligence. Their ambient IoT platform turns raw supply chain data into real-time insights for retail and logistics.

Momentum signals:

  • Launched Gen3 IoT Pixel (January 2026)

  • Announced BLE sensing partnership with Tageos (January 2026)

  • Collaborated with Walmart to deploy ambient IoT in retail supply chains

Open SD roles:

  • Account Manager

  • Enterprise Account Executive

  • Field Marketing Manager

  • Product Marketing Manager

If you’re building at the intersection of hardware, IoT, cloud systems, or AI-driven logistics, this one is worth a look.

❤️ 9AM Health – 15 Remote Roles | Encinitas HQ

Chronic care, reimagined for the digital era.

9AM Health delivers virtual care for diabetes, obesity, and heart health. Their platform gives patients access to licensed providers, medications including GLP-1s, and ongoing support in one streamlined digital experience.

Momentum signals:

  • Launched employer “No-Barriers Bundle” for obesity care (November 2025)

  • Partnered with Novo Nordisk to expand access to evidence-based obesity treatment

  • Raised $9.5M Series A extension to support growth

Open roles:

  • 15 remote roles across clinical, operations, and growth.

If you care about scaling digital health, access to care, or cardiometabolic innovation, this one is worth a look.

Autonomous systems aren’t just flying. They’re sailing.

Seasats designs solar-powered autonomous surface vessels for long-endurance maritime missions. Their vehicles collect high-resolution ocean data for defense, research, and infrastructure monitoring.

Momentum signals:

  • Raised $20M Series A (February 2026)

  • Awarded $24M Department of Defense contract (January 2026)

  • Quickfish vessel proven in U.S. Navy exercise (October 2025)

Open SD roles:

  • 17 roles across engineering, maritime systems, and operations.

If you’re technical and drawn to autonomy, maritime tech, or mission-driven systems, this one is worth a look.

In case you missed it, here are a few companies worth watching:

Momentum compounds. Good teams are still hiring in San Diego.

If one of these companies or roles looks like a fit, take a look.

If someone in your pack is exploring new opportunities, send it their way.

🥳 And if you land something from this newsletter, reply and let us know. We’d love to celebrate the win,

Jonah 🐺

—

A few helpful links:

New ‘round here? Join the pack 🐺
Hiring in San Diego? Send us your roles
Looking to get more connected in San Diego? The Social Coyote