
Operant AI is a cybersecurity company specializing in runtime AI application defense for live cloud and AI workloads. Their unique 3D Runtime Defense platform provides real-time discovery, detection, and defense across every layer of cloud and AI applications, including APIs, services, and identities beyond firewalls. The platform proactively blocks critical runtime attacks such as data exfiltration, AI supply chain attacks, model theft, and prompt injection while maintaining data privacy with in-line auto-redaction. Operant's solution is Kubernetes-native, enabling seamless security for cloud applications in multi-cloud, hybrid, or self-managed environments. The company is recognized in Gartner's Market Guide for API Threat Protection and has raised Series A funding to expand its runtime application protection platform. Operant's business model is SaaS, offering frictionless security that accelerates AI and cloud application development without compromising security.

Operant AI is a cybersecurity company specializing in runtime AI application defense for live cloud and AI workloads. Their unique 3D Runtime Defense platform provides real-time discovery, detection, and defense across every layer of cloud and AI applications, including APIs, services, and identities beyond firewalls. The platform proactively blocks critical runtime attacks such as data exfiltration, AI supply chain attacks, model theft, and prompt injection while maintaining data privacy with in-line auto-redaction. Operant's solution is Kubernetes-native, enabling seamless security for cloud applications in multi-cloud, hybrid, or self-managed environments. The company is recognized in Gartner's Market Guide for API Threat Protection and has raised Series A funding to expand its runtime application protection platform. Operant's business model is SaaS, offering frictionless security that accelerates AI and cloud application development without compromising security.
What they do: Runtime AI application defense for cloud-native apps, APIs, models and agents
Headquarters: San Francisco, CA
Founders / leadership: Vrajesh Bhavsar (CEO), Priyanka Tembey (CTO), Ashley Roof (COO)
Funding: Series A (Sep 12, 2024); total funding reported $13.0M
Business model: SaaS (Kubernetes‑native runtime security)
Runtime security for cloud-native and AI applications (APIs, LLMs, MCPs, agentic AI)
Cybersecurity
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Series A announced Sep 12, 2024; Dealroom reports $10.0M for the round and Crunchbase lists lead investors.
“Operant's Series A was led by institutional investors (Alumni Ventures, Felicis, SineWave Ventures) and the company has a multi-investor cap table”
Senior SRE Engineer
We are seeking someone to join our Engineering team and help keep our platforms and services resilient and secure. If you are excited by the idea of being a roll-up-your-sleeves engineer at a startup that is poised to lead the next wave of application security products, we would love to hear from you.
Who We Are:
We’re in business to secure the modern world. Operant’s unique technology solves several of the biggest problems in modern cybersecurity - protecting applications across every layer of the cloud native stack from infra to APIs, and data to AI. We are passionate about bringing state of the art technological innovations from Operating Systems/Distributed Systems/AI to the world of AI and cloud security, and building a product that is ready to take on the rising complexity and massive scale of today’s cloud native applications. Having already been named as a vendor in Gartner’s market guide for AI and Agentic AI security, API Protection and Kubernetes Runtime Security as well as Forrester’s Zero Trust landscape, the sky's the limit for leading this growing market.
Responsibilities:
Build the Devops/SRE functions for the company's product which include activities around -
Qualifications:
Work Hours & Location:
What you can expect from us:
Operant is an equal opportunity workplace where you will find an open and supportive environment to share your thoughts and ideas, while enabling you to springboard your career in a high-growth, high-energy startup.
Benefits:
