# Principal Security Engineer, Cloud & Infrastructure at Cambridge Mobile Telematics

- Company: Cambridge Mobile Telematics
- What the company does: Cambridge Mobile Telematics is the world’s largest telematics service provider. Our mission is to make the world’s roads and drivers safer. Backed by General Catalyst and SoftBank VF.
- Company website: https://www.cmtelematics.com/
- Type: Startups
- Level: Principal and up
- Location: Cambridge, MA
- Work setup: On-site
- Pay: $131K to $163K base salary per year (USD)
- Posted: 2026-07-01
- Apply by: 2026-10-08
- Apply: https://www.cmtelematics.com/who-we-are/join-our-team/job-posting/?gh_jid=8042246
- Page: https://www.1752.vc/careers/jobs/cambridge-mobile-telematics-principal-security-engineer-cloud-and-infrastructure/

## About the role

We're hiring a Principal Security Engineer I, Cloud & Infrastructure to own the security architecture of CMT's products, from our mobile SDKs and APIs to the services that power our platform. This is a highly autonomous individual contributor role where you'll set the technical direction for product security and influence engineering teams to deliver secure solutions.

## What they're looking for

- Bachelor’s degree or equivalent years of experience and/or certification in a related field
- 7+ years of experience in security, with deep, hands-on expertise in application and product security architecture
- Broad AWS expertise — fluency in the fundamentals, including cloud networking, cloud firewalls, security groups, and IAM policies
- Experience with infrastructure as code, build pipelines, and cloud platform security
- Proven ability to provide technical leadership and drive security initiatives through influence
- Strong software engineering foundation with experience reviewing code and system architecture

Tags: Security & Compliance