Vectra AI · 2 hours ago
Senior AI/ML Engineer
Vectra AI is the leader in AI-driven threat detection and response for hybrid and multi-cloud enterprises. They are seeking a Senior AI/ML Engineer to design, build, and deploy machine learning systems focused on dynamic threat detection and adversarial behavior modeling, collaborating across various teams to deliver impactful features.
Artificial Intelligence (AI)Cloud ComputingCyber SecuritySoftwareCloud SecurityNetwork Security
Responsibilities
Build and fine-tune models for threat detection, anomaly detection, and behavioral modeling (supervised, unsupervised, and semi-supervised)
Implement and optimize LLM-powered agents that reason over structured and unstructured security data
Develop RAG pipelines that combine embeddings, vector search, and context injection
Work with streaming and historical security data (logs, events, alerts) to train and evaluate models
Collaborate with backend and platform teams to deploy models in scalable, low-latency environments
Continuously improve model performance, robustness, and explainability
Qualification
Required
3+ years of hands-on experience in applied ML or MLOps (or PhD with practical implementation)
Strong ML fundamentals (classification, clustering, anomaly detection, embedding techniques)
Experience working with real-world noisy data, ideally in time series, logs, or graph-structured form
Experience with LLMs (e.g., OpenAI, Mistral, Llama), embeddings, and vector databases. Well-versed in techniques for long context (chunking, sliding window, hierarchical summarization)
Solid skills in Python, PyTorch or TensorFlow, and ML pipelines
Strong collaboration and ownership mindset—you write clean code, ask great questions, and iterate quickly
Someone who is looking for a hybrid work environment, with a minimum of 3 days in the San Jose office
Preferred
Familiarity with cybersecurity data (SIEM logs, alerts, EDR telemetry, threat reports)
Experience with agent frameworks (LangChain, AutoGen, CrewAI) and agent protocols
Exposure to adversarial machine learning or explainability techniques
Infra skills for ML (Docker, K8s, GPU scheduling, model serving)
Benefits
Health care insurance
Income protection / life insurance
Access to retirement savings plans
Behavioral & emotional wellness services
Generous time away from work
Comprehensive employee recognition program
Company
Vectra AI
Vectra AI develops an AI-driven integrated attack signal for threat detection and response.
H1B Sponsorship
Vectra AI has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (4)
2024 (6)
2023 (2)
2022 (7)
2021 (10)
2020 (3)
Funding
Current Stage
Late StageTotal Funding
$352.54MKey Investors
TCVAtlantic BridgeWipro Ventures
2021-04-29Series F· $130M
2019-06-10Series E· $100M
2018-02-21Series D· $36M
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