Jobs / United States / Cambridge Mobile Telematics INC
Principal Security Engineer, Cloud & Infrastructure
Cambridge Mobile Telematics INC · 🇺🇸 Cambridge, MA
Sponsorship verdict
Sponsorship possible
One solid signal, not two — worth applying, and worth asking about sponsorship early.
- Employer is on a government sponsor recordThe US Department of Labor certified 12 H-1B/E-3 labor condition applications for this employer between Oct 2025 and Jun 2026 (latest May 2026) — the step every H-1B hire needs first. USCIS also records 4 H-1B approvals in FY2023. Source: LCA disclosure data (US Department of Labor (OFLC)).
- The posting doesn’t mention sponsorshipSilence isn’t a refusal — ask the recruiter before investing much time.
- No salary bar for this routeH-1B has no fixed salary bar: the employer must pay at least the prevailing wage for the role and area. Cap-subject employers enter a lottery weighted by wage level. Source: https://www.federalregister.gov/documents/2025/12/29/2025-23853/weighted-selection-process-for-registrants-and-petitioners-seeking-to-file-cap-subject-h-1b, rules effective 2026-02-27.
- What Cambridge Mobile Telematics INC paid sponsored hires in similar roles1 certified filing for “Principal Software Engineer I, Cloud” (Software Developers) in WA: $212k–$212k, median $212k. Most were filed at wage level IV (100%) — 4 lottery entries, ≈61% projected selection odds for cap-subject employers. Source: US Department of Labor LCA disclosure data (Oct 2025 – Jun 2026).
- Confirmed live todayWhen a source last listed this job as open.
US H-1B: cap-subject employers enter a lottery weighted by wage level — Level I gets 1 entry, Level IV gets 4 (DHS projected selection odds ≈15% at Level I to ≈61% at Level IV). Universities and non-profit research employers are cap-exempt. The $100,000 fee for new petitions from abroad is currently blocked by a court order (appeal pending).
A verdict summarises public evidence; it is not legal advice and never a guarantee — the employer and the immigration authority decide. Sign in to factor in where you can already work.
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Sponsor Radar — Cambridge Mobile Telematics INC
The US Department of Labor certified 12 H-1B/E-3 labor condition applications for this employer between Oct 2025 and Jun 2026 (latest May 2026) — the step every H-1B hire needs first. USCIS also records 4 H-1B approvals in FY2023. Source: LCA disclosure data (US Department of Labor (OFLC)).
Past sponsorship or register membership never guarantees sponsorship for this vacancy or for you. Full Sponsor Radar for Cambridge Mobile Telematics INC →
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. 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 Engineer 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 • 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 • 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