JetStream Security Inc.
JetStream Security sells AI governance and security software for enterprises. The Santa Clara-based company raised $34M in seed funding in March 2026 and employs 78 people.
The growth story
JetStream Security Inc. grew from 1 to 78 employees between 2025 and 2026, raising $34M along the way, most recently a Seed in March 2026.
About
JetStream Security provides software that monitors and controls AI systems in enterprise environments. Its platform tracks AI models, agents, and workflows, enforces policy compliance, detects anomalies, and generates audit reports. Customers use it to manage risks and costs of AI deployments.
The company raised $34M in its seed round in March 2026, backed by cybersecurity leaders including CrowdStrike's Falcon Fund and Okta co-founder Frederic Kerrest. Its 78-person team draws heavily from cybersecurity veterans, with 27% coming from SentinelOne.
Founders and leadership
Engineering is JetStream's largest function with 23 employees. The company has a flat structure with a median tenure of just one year, suggesting rapid scaling since its 2025 founding.
The JetStream Security Inc. org chart
Raj Rajamani (Co-Founder/CEO) leads 22 mapped leaders with 3 direct reports. Click +N to expand a team; names link to the person’s public profile.
Departments, and which ones grew
Headcount by function: Engineering 27 (+2600% YoY), Sales 22 (+2100% YoY), Business Development 10 (+400% YoY).
Talent flow
Over a quarter of JetStream's team previously worked at SentinelOne, with smaller groups from Reach Security, Dazz, McAfee, Fidelis Security, and Cylance. Employees come from schools including Cornell, Western Governors University, and Cal Poly San Luis Obispo.
Most common previous employers of JetStream Security Inc. staff: SentinelOne (27), Reach Security (8), Dazz (acquired by Wiz) (8), McAfee (6), Fidelis Security (5), Cylance (5).
What this company is made of
Most common skills at JetStream Security Inc.: Cloud Computing (30), Leadership (25), Project Management (21), Security (20), Management (20), Network Security (19), Software as a Service (SaaS) (19), Sales (18).
Where the team actually sits
JetStream Security Inc. people are concentrated in California, United States (10), Texas, United States (8), San Francisco Bay Area (6), Karnataka, India (4).
Search footprint
JetStream Security Inc. attracts about 2 organic search visits a month. It gained 0 ranking keywords and lost 0 in the last period.
Frequently asked
JetStream Security Inc. has 78 employees as of September 2026.
JetStream Security Inc. has raised $34M in total, most recently a Seed round in March 2026.
JetStream Security Inc. was founded in 2025 by Jared Phipps, Jatheen (AJ) A., Raj Rajamani, Venu Vissamsetty.
Raj Rajamani (Co-Founder/CEO) sits at the top of JetStream Security Inc.'s reporting structure, with 3 direct reports.
The most common previous employers of current JetStream Security Inc. staff are SentinelOne (27 people), Reach Security (8 people), Dazz (acquired by Wiz) (8 people).
JetStream Security Inc. attracts about 2 organic search visits a month.
The most common skills among JetStream Security Inc. staff are Cloud Computing, Leadership, Project Management, Security, Management.
JetStream Security Inc. staff are concentrated in California, United States (10), Texas, United States (8), San Francisco Bay Area (6).
JetStream Security Inc. has about 27 people in Engineering, up 2600% over the past year, as of September 2026.
JetStream Security Inc. has about 22 people in Sales, up 2100% over the past year, as of September 2026.
Computed from 60 current and 4 former JetStream Security Inc. profiles, as of September 2026. Source: Crustdata.
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