# Senior Data Engineer

**Company:** [Mozilla](https://hotfix.jobs/companies/mozilla)
**Location:** Remote
**Role:** Data Engineering
**Experience:** 4+ years
**Skills:** SQL, Python, GCP, Data Modeling, Data Pipelines, Apache Airflow, Data Orchestration, Stream Processing, Batch Processing, Data Observability, Data Governance, Telemetry Processing
**Posted:** 2026-04-09

> Senior Data Engineer builds and manages data pipelines, transforms telemetry into reliable datasets, ensures data quality, and evolves the platform on GCP. Requires 4+ years experience, SQL/Python proficiency, strong data modeling, and software engineering fundamentals.

## Job Description

## Responsibilities

- Build and manage business data pipelines and transform Firefox telemetry data into structured, high-quality datasets.
- Partner with data scientists, product, and marketing teams to create models and metrics that drive decisions.
- Ensure data quality using observability tools, participate in weekly triage rotation to resolve issues.
- Collaborate with data and platform engineers to evolve the data platform.
- Maintain data integrity by implementing governance and privacy policies across large-scale data systems.

## Requirements

- 4+ years of professional experience in data engineering.
- Proficiency in **SQL** and **Python**, eagerness to integrate AI into workflows.
- Experience with data modeling for complex business processes into extensible analytical models.
- Strong software engineering fundamentals: modular, reusable, performant code.
- Self-directed execution: own projects end-to-end, manage blockers.
- Strong communication for distributed teams.

Proficiency in one or more:
- Recommending/implementing new data collection methods.
- Using data to answer questions and guide decisions.
- Cloud distributed systems (**GCP**), distributed databases, message queues, batch/stream processing.
- Orchestration, error handling, idempotency for reliable data.

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