Senior Python Threat Hunter Engineer – Hybrid Paris

UST; Paris; Hybrid; EUR 110,000 - 150,000; Full time

Job summary

CyberProof in Paris, a UST company, is seeking a Senior Python Engineer with threat hunting experience to join our managed security services team. This role focuses on building and maintaining Python‑based automation and analytics frameworks to support proactive threat hunting and security investigations.

The successful candidate will combine strong software development skills with hands‑on threat hunting exposure across enterprise and cloud environments, and will collaborate with

Qualifications

• Python development with production‑quality code and standard engineering practices.
• Experience with JSON, CSV, and Parquet data formats.
• Familiarity with Pandas and NumPy.
• Git and commit workflows.

Responsibilities

• Design, develop, and maintain Python tools and automation for threat hunting.
• Standardize Jupyter Notebook hunting workflows with data enrichment and reporting.
• Create reusable Python libraries, APIs, and CLI tools for scalable hunts.
• Build data pipelines to ingest and analyze security telemetry.
• Conduct hypothesis‑driven threat hunts across endpoints, networks, cloud data.
• Schedule automated hunting workflows via pipelines.
• Collaborate with Threat Intelligence and Detection teams to translate findings into detections.
• Document methodologies, findings, and recommendations in reports.

Skills

Python

Software engineering

Threat hunting

Pandas

NumPy

Git

Automation tooling

Data formats

Tools

Parquet

JSON

CSV

Job description

CyberProof in Paris, a UST company, is seeking a Senior Python Engineer with threat hunting experience to join our managed security services team. This role focuses on building and maintaining Python‑based automation and analytics frameworks to support proactive threat hunting and security investigations.

The successful candidate will combine strong software development skills with hands‑on threat hunting exposure across enterprise and cloud environments, and will collaborate with