Full-Time

AI Engineer

NYC

Posted on 9/11/2025

AegisAI

AegisAI

11-50 employees

Autonomous AI-based email threat protection

No salary listed

New York, NY, USA

In Person

Category
AI & Machine Learning (2)
,
Required Skills
LLM
Machine Learning
Requirements
  • 2-10 years of experience
  • Direct experience with AI/ML systems
  • Experience building in a fast paced environments
Responsibilities
  • Architect a constellation of AI Agents that work together to detect and stop emerging threats
  • Operate under an orchestration layer designed for rapid iteration and adaptive learning
  • Live deep in live threat data and evolve agents at the speed of the battlefield
Desired Qualifications
  • Experience security/detection systems
  • Experience working in adversarial environments (T&S, security, fraud)

AegisAI offers an enterprise email security platform that protects against phishing, malware, and BEC. It uses a network of autonomous AI agents—custom LLMs—that cooperatively inspect links, attachments, metadata, and user behavior in real time, replacing static rules. It deploys via API integrations with Microsoft 365 and Google Workspace for rapid setup, targeting fintech and tech enterprises, and is led by former Google security leaders with an agent-based approach that reportedly reduces false positives by up to 90%. Its goal is to scale the platform across large organizations by accelerating product development and expanding go-to-market efforts.

Company Size

11-50

Company Stage

Seed

Total Funding

$13M

Headquarters

New York City, New York

Founded

N/A

Simplify Jobs

Simplify's Take

What believers are saying

  • AI-generated email attacks surged 5x in 2025, evading traditional filters over 50%.
  • Deployed at ten organizations including Mesh Connect and Lokker since 2025.
  • SOC 2 Type II certification ensures enterprise-grade encryption and data privacy.

What critics are saying

  • Google Workspace and Microsoft 365 native AI detection erodes third-party need in 3-6 months.
  • Proofpoint's AgentShield blocks 25% more phishing, stealing customers in 6-12 months.
  • OpenAI's free CAPTCHA solver API obsoletes Vanguard in 1-3 months.

What makes AegisAI unique

  • AegisAI deploys network of specialized AI agents mimicking human analysts for real-time threat inspection.
  • Platform reduces false positives by 90% via adaptive learning from adversarial behaviors.
  • Project Vanguard autonomously defeats adversarial CAPTCHAs by pursuing cloaked threats.

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Benefits

Flexible Work Hours

Company News

Yahoo Finance
Mar 10th, 2026
AI email attacks grew 5x in 2025; AegisAI launches Vanguard to defeat adversarial CAPTCHAs

AegisAI, an AI-native email security company backed by Accel and Foundation Capital, has released research showing AI-generated email attacks grew fivefold in 2025, now bypassing traditional security filters more than 50% of the time. The study analysed over 20,000 phishing, scam and malware emails, finding that AI-generated attacks are 75% more effective at evading traditional filters. In response, AegisAI is launching Project Vanguard, an autonomous defence AI agent that pursues threats hiding behind CAPTCHAs and cloaked pages. Built by the team behind Google's reCAPTCHA, Vanguard extends protection beyond the inbox by following suspicious links and attachments to their malicious destinations. The company, founded in 2025 by former Google security engineers, will demonstrate Vanguard at RSA Conference 2026, with early customer testing beginning later this year.

News Ghana
Sep 11th, 2025
Google Alumni Secure US$13M for AI Email Security Startup

Former Google security engineers who built widely-used web protection tools have raised $13 million in seed funding for AegisAI, a startup targeting enterprise email security with autonomous artificial intelligence agents.

SecurityBrief Asia
Sep 10th, 2025
AegisAI raises USD $13M to reinvent enterprise email security

Cybersecurity startup AegisAI raises USD $13 million to launch AI-driven email security platform combating phishing and malware threats more effectively.

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