Senior Staff Machine Learning Engineer

Job overview

The Senior Staff Machine Learning Engineer role is remote in the United States. Base pay is $157,500–$225,000 per year. The role reports to the Manager of AI Platform and Data Science and supports high-fidelity risk identification in customer data. The engineer leads architecture and development of production AI and machine-learning systems that automate security analysis, collaborating with threat research and data engineering to detect threats with reliable, measurable quality.

What you'll do

• Translate risk identification methods into agent logic
• collaborate with threat research
• define data requirements and partner on pipelines and enrichments
• evaluate threat detection through backtesting, precision-recall tuning, and quality control
• deploy and monitor production solutions in CI/CD.

What we're looking for

Skills & competencies

senior staff machine learning engineer

ai

machine learning

llm agents

python

threat detection

cybersecurity

data engineering

ci/cd

remote us

$157.5k–$225k/year

zscaler

Work arrangement

• Weekend coverage required

Benefits & perks

• Health plans, vacation and sick time, parental leave, retirement options, education reimbursement, and in-office perks.

Why this role

Requires 8+ years of Python development and senior staff ownership of architecture and complex engineering projects; production reliability experience includes on-call participation.

About the employer

Zscaler is hiring for this role. Industry: Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services. Sector: 51.