Senior Data Scientist
New
E
ExpelCybersecurity
We're only hiring those authorized to work in the United States.Full-TimeSenior
Salary142,900 - 207,200 USD per year
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Job Details
- Experience
- 4+ years of professional data science experience
- Required Skills
- PythonSQLCybersecurityMachine Learningscikit-learnPrompt EngineeringLLMGenerative AILangChain
Requirements
- 4+ years of professional data science experience building and shipping models in production
- Solid grounding in traditional ML (classification, regression, anomaly detection, clustering, time series)
- Proficiency with scikit-learn or statsmodels
- Hands-on experience with large language models, prompt engineering, and LLM application architectures
- Experience with knowledge retrieval and grounding (embeddings-based search, vector stores)
- Experience with LLM-powered agentic systems and orchestration frameworks (LangChain, LlamaIndex)
- Strong Python and SQL skills
- Proficiency with pandas, numpy, plotly, seaborn, or matplotlib
- Solid statistical foundations
- Exemplary collaboration skills
Responsibilities
- Build and ship ML and GenAI systems from research to production
- Develop metrics to measure impact
- Build models for threat detection and AI-powered analyst tools
- Communicate technical work to non-technical stakeholders
- Work across operations, engineering, and service delivery
- Partner with subject matter experts for prompt engineering and knowledge retrieval
- Mentor and coach other data scientists
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