Cambridge Mobile Telematics
Senior Site Reliability Engineer, SecOps
Cambridge, MA · Senior
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odds of building a lasting career here
Sponsors, but it's cap-subject — you still face the weighted lottery (~45% per draw at Level III). Good if you win; have a cap-exempt backup on your list.
Lottery odds assume a STEM candidate.
Personalize to your clock →H-1B wage level
the lottery is wage-weighted — each level is one more entry
$19,937 more — $138,237 — moves this role to Level II and 2 lottery entries. That figure is inside the range the employer already advertised.
Based on the DOL prevailing wage for this occupation and worksite, a base salary of $138,237 would place this position at wage Level II. That figure is within the posted range, and I'd like to target it. This role classifies under "Software Developers" for prevailing-wage purposes.
DOL prevailing wage, 2026-27 wage year · Software Developers (15-1252) · Boston-Cambridge-Newton, MA-NH. Wage level is derived by USCIS from the offered wage, occupation and worksite; the occupation shown is inferred from the job title.
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from this employer's Department of Labor filings
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Sourced from Department of Labor LCA, PERM and prevailing-wage disclosure data. Employer matching is by name, so figures may be split across an employer's legal entities. Absence of a filing means none appears in our copy of the data, not that none exists.
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About the role
- CMT is looking for a Senior Site Reliability Engineer, SecOps to help us change the world.
- CMT has helped protect over 65 million drivers and prevent over 126,000 crashes worldwide.
- No matter your role, your work will matter at CMT.
Responsibilities
- Implement IAM Roles and Policies, account-level guardrails, and secrets management in AWS in line with Security Engineering standards
- Implement and maintain preventive controls - SCPs/RCPs, permission boundaries, Config rules and conformance packs, IaC policy-as-code in CI, and secret scanning - including drift detection, auto-remediation, and a documented exception/waiver process with expiry
- Implement network and data protection controls: security group and egress baselines, VPC segmentation, KMS key lifecycle and rotation, encryption-at-rest/in-transit standards, certificate lifecycle, and public-exposure prevention (S3 Block Public Access, IAM Access Analyzer external findings).
- consult on design reviews and threat models
- Provide secure-by-default Terraform modules and self-service paved paths so product teams inherit controls; consult on design reviews and threat models; act as the translation layer between Security Engineering standards and platform/application reality, feeding back where standards are impractical.
- 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.
- Move fast, own outcomes, do work that matters
- CMT enables partners to measure risk, detect crashes, provide life-saving assistance, and streamline claims.
Requirements
- Bachelor's degree or equivalent years of experience and/or certification in a related field
- 4+ years of experience working in Site Reliability Engineering or Information Technology
- In-depth knowledge & experience with Linux operating systems (Amazon Linux, Ubuntu) on EC2 and Docker on ECS / EKS
- Write and review code to automate away problems within your team's domain
- Intermediate to expert experience deploying and maintaining AWS services such as EC2, ECS, EKS, SQS, Lambda, Dynamo, RDS/Aurora, S3, and IAM
- Intermediate to expert experience monitoring services and applications using tools such as CloudWatch Metrics, CloudWatch Logs, and Datadog, including defining and configuring alerts and SLO reports
- Intermediate to expert experience implementing and maintaining security controls and tooling in AWS, such as IAM, KMS, Security Hub, GuardDuty, Inspector, and Config
- Intermediate to expert coding skills in at least one programming language; we work primarily in Python
- Intermediate to expert experience using AI coding agents (Claude Code) daily for Terraform and Python development, log and finding investigation, and remediation authoring - with the judgment to verify output and keep AI-assisted changes under standard PR and approval controls
- Intermediate to expert experience using Infrastructure as Code platforms and CI/CD pipelines, specifically Terraform, to manage AWS infrastructure and services
- Experience partnering with security or engineering teams to implement and operationalize security requirements
- Ability to work a hybrid schedule from our Cambridge, MA office two days per week
Compensation
- Unlimited PTO, flexible scheduling, competitive salary, annual performance bonus, RSUs, and full benefits including medical, dental, vision, and 401k match
- The base salary range for this position is: $118,300 to $147,900. This range is specifically for Cambridge, MA
- To date, CMT's technology has helped prevent over 126,000 crashes worldwide.
- Base Salary Range
- The base salary range for this position is: $118,300 to $147,900.
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
Company info
- We are an equal-opportunity employer committed to creating a workplace and culture where everyone feels valued, respected, and empowered to bring their unique talents and perspectives.
- Be part of the team inventing the future of mobility and road safety
Equal opportunity
- Commitment to Diversity and Inclusion:
This listing is sourced directly from Cambridge Mobile Telematics's careers page and normalized into a canonical job model.