Top 5 Lead data scientist Jobs in Irvine Ca

Tech Lead - Data Scientist
Obsidian Security —Newport Beach, CA
- $220,000 - $250,000 a year
- 6 years
- Salesforce
- APIs
Quick Apply
Lead Data Scientist (Context Engineering)
Rivian —Irvine, CA
- Full-time
- Computer Science
- Ability to walk for extended periods
- Office
Quick Apply
13d
Lead Data Scientist (Agentic Solutions)
Rivian —Irvine, CA
- Full-time
- Computer Science
- Ability to walk for extended periods
- System design
Quick Apply
13d
AI Engineer Lead
Capital Group Companies —Irvine, CA
- $179,273 - $286,837 a year
- Full-time
- Computer science
- Computer Science
- APIs
- Health insurance
- Benefits from day one
5d
Lead Actuarial Predictive Modeler
ACSC Management Services Inc —Costa Mesa, CA
- $145,900 - $194,600 a year
- Full-time
- 7 years
- Master's degree
- SQL
- Paid parental leave
- Health insurance

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Tech Lead - Data Scientist

Obsidian Security -
Newport Beach, CA

Quick Apply

Job Details

$220,000 - $250,000 a year

Qualifications

AI models
Ontology
Authentication
Research design
6 years
Automation
Tooling
Team leadership
Enterprise software
Salesforce
Design of experiments
Statistical analysis for research
Enterprise software systems development
Security data analysis
Salesforce Cloud
Production systems
Research project technical leadership
Machine intelligence
Product development
Data Security (Data management)
Semantic Web
GitHub
APIs
Data-driven problem-solving
Machine learning (ML) fundamentals
Identity and access management (IAM) solutions
Senior level
AI
Research & development
Leadership

Full Job Description

Obsidian Security is the leading SaaS security platform, trusted by global enterprises like Snowflake, T-Mobile, and Algolia. We protect 200+ organizations across North America, Europe, the Middle East, Southeast Asia, Australia, and New Zealand, including many of the world's largest Fortune 1000 and Global 2000 companies.

Founded in 2017 and backed by top investors like Greylock, Obsidian was built to close a critical gap: securing SaaS apps where business happens—Microsoft 365, Salesforce, and hundreds more. The company does this by offering a complete SaaS security platform to reduce risk, detect and respond to threats, and prevent breaches at the source. Obsidian was built by leaders who redefined endpoint and identity security at CrowdStrike, Okta, Cylance, and Carbon Black. Now, they're transforming how SaaS is secured.

With AI driving rapid SaaS growth and complexity, agentic AI tools gain privileged access to sensitive data through integrations, creating new risks most security tools miss. Obsidian uniquely detects anomalous OAuth token activity and manages integration risks. Major announcements are on the horizon. Recognizing that SaaS security needs to evolve, Obsidian enables growing organizations to start with a lightweight, prevention-focused browser extension and expand coverage over time.

With global momentum, a growing partner ecosystem including SentinelOne, Databricks, and Google Cloud, and a major fundraise ahead, Obsidian is scaling rapidly toward long-term growth and IPO readiness.

Tech Lead – Data Scientist

About the Role

We are looking for a Technical Lead to drive the development of Obsidian's core ontology that powers our groundbreaking unified security config analysis, AI security, and threat detection product.

Scale this ontology as part of a team of 3-6 software engineers and data scientists to cover hundreds or thousands more enterprise application platforms. Drive automation of repeatable R&D subtasks.
Become an expert on foundational identity, authentication, authorization, network, and data security concepts. An unhealthy dose of curiosity about the design and administration — technology, people, and process — of complex application platforms such as GitHub, Salesforce, and Workday is a must. You will love exploring rabbit holes into esoteric domain knowledge related to these topics.
Formulate security problems as data and ML problems, constantly addressing and refining the customer outcome in collaboration with top-flight security teams from Global 1000 companies.

What We're Looking For

6+ years of experience in data science, machine learning, or applied research, preferably with 2+ years in a technical leadership role.
A track record of shipping production ML or data systems at scale — ideally systems involving ontologies, knowledge graphs, entity resolution, or semantics over heterogeneous data sources.
Expert-level proficiency in Python and modern ML/data tooling.
Working knowledge of core security domains, or a strong ability to learn.
Experience formulating fuzzy business or security problems as concrete ML/data problems:
- able to decompose ambiguous, ambitious problems into well-scoped subproblems and design experiments with statistical rigor.
- comfortable being scrappy and diving deep into vendor documentation, APIs, and audit logs to find the necessary data sources

Excellent written and verbal communication skills; ability to engage credibly with technical security practitioners at large enterprises.

Quick Apply

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lead data scientist jobs in irvine ca

Tech Lead - Data Scientist

Lead Data Scientist (Context Engineering)

Lead Data Scientist (Agentic Solutions)

AI Engineer Lead

Lead Actuarial Predictive Modeler

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