You will be a critical member of the product delivery team, laying the groundwork for secure Generative AI adoption in the enterprise. You'll design curated datasets, build detection models for sensitive data, and iterate based on real-world customer feedback to ensure teams can use AI tools safely and confidently.
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Data Scientist at Harmonic Security Inc.
Join an elite team of cybersecurity experts building the future of secure Generative AI adoption. Backed by Ten Eleven Ventures and In-Q-Tel, this AI-first startup is seeking a Data Scientist to build production-grade NLP models that protect sensitive data in real-time. If you have a proven track record in Python and classification, and want to shape a category-defining security product while using tools like Cursor and Claude Code, this is your opportunity. Help enterprises embrace AI safely and do the best work of your life in a culture that values speed, transparency, and innovation.
Overview
Role overview
Company
Harmonic Security Inc.
VC-backed AI security startup funded by Ten Eleven Ventures and In-Q-Tel
Responsibilities
What you will do
- Design and curate comprehensive datasets tailored for training and fine-tuning sensitive data detection models.
- Develop, validate, and ship production-ready NLP models that categorize and protect enterprise data at scale.
- Drive continuous model improvement by analyzing performance dashboards and incorporating direct feedback from customer interactions.
Candidate profile
Who this is a fit for
- Proven track record of shipping production-grade models and managing high-quality datasets within a live SaaS product environment.
- Expert-level Python skills with deep knowledge of NLP techniques, classification approaches, and data categorization taxonomies.
- A product-driven mindset that prioritizes incremental delivery and thrives in a fast-paced, innovative startup atmosphere.
What makes it remarkable
Why this role is remarkable
- Work at the forefront of AI security with a team led by cybersecurity experts and backed by top-tier investors like Ten Eleven Ventures and In-Q-Tel.
- Direct impact on a category-defining product that enables safe enterprise adoption of LLMs by protecting sensitive data in real-time.
- Join an AI-first culture where you are encouraged to use and build with the latest tools like Claude Code and Cursor to automate workflows.
Jack & Jill
How Jack & Jill work together
I get to know what you’re great at, then find roles you’d never find yourself.Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.
I recruit from Jack’s network and make the intro when I spot a great match.And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.
Meet Jack
Jack gets to know what you're great at and what you want next, then searches 14 million jobs daily and introduces you directly to hiring managers.
How does this work?
Jack's an AI agent for job searching and career coaching. He works for you.
Jill is the AI recruiter working for the company. She recruits from Jack's network.
If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.