Principal Security Architect, Cloud & Infrastructure
Cambridge Mobile Telematics
| Company | Cambridge Mobile Telematics |
| Category | Uncategorised |
| Location | Cambridge |
| Remote | On-site (inferred) |
| Employment | Not stated |
| Level | Not stated |
| Salary | Not stated by the employer |
| Posted | 1 Jul 2026 |
| Last verified | 2 Aug 2026 |
| Source | Employer ATS (greenhouse) |
Description
We're hiring a Principal Security Architect 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.
You'll stay hands-on with architecture while shaping security strategy across the organization through technical leadership, collaboration, and sound engineering judgment rather than people management.
You'll also define how we securely build AI-powered products and adopt AI development tools, establishing the guardrails that enable innovation while reducing security risk.
CMT is looking for a Principal Security Architect I, Cloud & Infrastructure to help us change the world. CMT has helped protect over 65 million drivers and prevent over 126,000 crashes worldwide. We build AI to solve some of the most difficult challenges in mobility — understanding and reducing risk, detecting crashes, and getting people life-saving help. The problems are hard. The impact is real. No matter your role, your work will matter at CMT.
Responsibilities:
Own the end-to-end security architecture for CMT's products, including mobile SDKs, backend services, APIs, data pipelines, and partner integrations
Define security standards, reference architectures, and engineering guardrails, and drive adoption across teams
Embed security into the SDLC through threat modeling, secure design reviews, and actionable engineering requirements
Lead threat modeling and translate findings into prioritized engineering work
Define application security strategy for testing, secure coding, secrets management, and software supply chain security
Own security architecture for protecting sensitive driver and location data
Define security architecture and guardrails for AI/ML features and AI development tools
Own the AppSec and Product Security roadmap, including technology strategy and prioritization
Serve as the senior security authority for architecture reviews, risk decisions, and technical guidance
Support customer and partner security reviews and mentor engineers on secure design
Complete any additional tasks as they arise
Qualifications:
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
Proven ability to provide technical leadership and drive security initiatives through influence
Strong software engineering foundation with experience reviewing code and system architecture
Deep knowledge of threat modeling, secure SDLC, OWASP, authentication, cryptography, API security, and mobile security
Experience securing products that process sensitive personal data and support regulatory requirements
Working knowledge of AI/ML and LLM security, including secure AI adoption
Excellent written and verbal communication skills
Nice to Haves:
Experience with mobile SDK security, reverse engineering, and anti-tampering
Familiarity with data-intensive architectures and ML-driven products
Experience developing AI governance or secure AI adoption programs
Experience in telematics, IoT, connected vehicles, fintech, or other high-trust industries
Relevant certifications such as CSSLP, OSCP, or GWEB
Compensation and Benefits:
Fair and competitive salary based on skills and experience, and annual performance bonus
Equity may be awarded in the form of Restricted Stock Units (RSUs)
Medical, Dental, Vision and Life Insurance, matching 401k, short-term & long-term disability and parental leave
Unlimited Paid Time Off including vacation, sick days & public holidays
Flexible scheduling and work from home policy depending on role and responsibilities
Base Sal
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