Senior Security Architect, Cloud & Infrastructure

Cambridge Mobile Telematics; Cambridge (MA); On-site; USD 131,000 - 163,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Life Insurance

401k match

Unlimited PTO

Flexible scheduling

Job summary

Cambridge Mobile Telematics is seeking a Principal Security Engineer I, Cloud & Infrastructure to own the security architecture across our mobile SDKs, APIs, and platform services. The role emphasizes hands-on architecture, technical leadership, and defining guardrails that enable secure AI-driven product development.

You will influence engineering teams to adopt secure practices and drive threat modeling, secure SDLC, and data protection for sensitive driver data.

Qualifications

• Bachelor’s degree or equivalent years of experience.
• 7+ years of security experience with application and product security architecture.
• Broad AWS expertise and IAM policy knowledge.
• Experience with infrastructure as code and build pipelines.
• Strong technical leadership and influence across teams.
• Solid software engineering background with code review experience.
• Knowledge of threat modeling, secure SDLC, OWASP, authentication, cryptography, API security, and mobile security.
• Experience with AI/ML security and secure AI adoption.

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.

Skills

Security architecture

Threat modeling

Secure SDLC

Cloud security

AWS expertise

API security

AI/ML security

Communication

Education

Bachelor’s degree or equivalent

Job description

Cambridge Mobile Telematics is seeking a Principal Security Engineer I, Cloud & Infrastructure to own the security architecture across our mobile SDKs, APIs, and platform services. The role emphasizes hands-on architecture, technical leadership, and defining guardrails that enable secure AI-driven product development.

You will influence engineering teams to adopt secure practices and drive threat modeling, secure SDLC, and data protection for sensitive driver data.