Principal Security Engineer, Cloud & Infrastructure
Cambridge Mobile Telematics · Cambridge, MA
Posted about 2 months ago · $130,600 to $163,300
or apply directly on Cambridge Mobile Telematics's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 66 days Cambridge Mobile Telematics's roles stay open a median of 66 days
- Reposted
- No
- Salary listed
- Yes 78% of Cambridge Mobile Telematics's roles list one
- Ghost-job risk at Cambridge Mobile Telematics
- high 17 stale, 1 reposted of 18 open
- Hiring momentum
- 21 roles opened in the last 90 days ↑ up vs. the prior 90 days
- Last confirmed on the employer's board
- 2026-10-08
Measured from postings appearing on and disappearing from Cambridge Mobile Telematics's own greenhouse board since 2026-08-03. Full hiring picture for Cambridge Mobile Telematics.
About this role
The Principal Security Engineer, Cloud & Infrastructure will be responsible for the security architecture of CMT's products, including mobile SDKs, APIs, and backend services. This role involves defining security standards, embedding security into the software development lifecycle, and leading threat modeling efforts. The engineer will also shape the security strategy for AI-powered products and mentor engineering teams on secure design practices.
- benefits
- 4/5
- freshness
- 1/5
- career value
- 5/5
- role clarity
- 5/5
- pay transparency
- 5/5
Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Cambridge Mobile Telematics as an employer.
What you need
- 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 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
Nice to have
- 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
What you get
- 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
- Summer Fridays provide team members with half days to recharge
Worth weighing
- No specific details on the company's tech stack or tools used
- High level of autonomy may require strong self-management skills
- The role focuses on influence rather than direct management, which may not suit all candidates
Summarised from Cambridge Mobile Telematics's posting. Read the full original.
Listed by Cambridge Mobile Telematics on their greenhouse job board, last confirmed open on 2026-10-08. PitchMeAI is not the employer.
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