Full-Time

Lead Security Engineer

Internal, IT

Artemis

Artemis

51-200 employees

AI-native protection layer for cyber defense

Compensation Overview

$180k - $230k/yr

+ Equity

New York, NY, USA

In Person

Category
Cybersecurity (1)
Required Skills
FedRAMP
Microsoft Azure
Incident Response
Vulnerability Analysis
AWS
Google Workspace
HIPAA
Google Cloud Platform

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Requirements
  • At least 5 years of hands-on experience in security engineering, IT security, or corporate security, with ownership of internal security programs at a software or technology company.
  • Deep expertise in one or more of the following: identity and access management, endpoint security, cloud security using AWS, GCP, or Azure, or SaaS security.
  • Hands-on experience with SOC 2 and/or ISO 27001 audits, including scoping, evidence collection, and working with auditors.
  • Strong understanding of modern attacker tradecraft and how real breaches occur.
  • Direct experience leading incident response for internal security events, from detection through post-mortem.
  • Familiarity with modern security tooling across endpoint detection and response, security information and event management, identity and access management, mobile device management, data loss prevention, email security, and vulnerability management.
  • Ability to balance security rigor with the realities of a fast-moving startup.
  • Ability to translate security tradeoffs to leadership and non-technical teams.
  • Ability to operate autonomously in an early-stage environment and build programs from scratch without a manager or team backing.
  • The position requires hands-on ownership of endpoint security, identity and access management, network security, email security, and cloud security for the corporate environment.
  • The position requires designing and operating an identity strategy across single sign-on, multifactor authentication, conditional access, and privileged access management.
  • The position requires building and operating a vulnerability management program, including patching, endpoint hardening, and continuous monitoring.
  • The position requires leading incident response for internal security events from detection and containment through investigation and post-incident review.
  • The position requires driving compliance and certification work for SOC 2 Type II and ISO 27001, including scoping, evidence collection, and working with external auditors.
  • The position requires building and operating a security awareness program, including ongoing training, phishing simulations, and role-specific education.
  • The position requires setting and maintaining security policies, standards, and internal documentation.
  • The position requires owning vendor risk and third-party security reviews.
  • The position requires owning the IT architecture and selecting and managing the IT provider.
  • The position requires managing tools and configurations across Google Workspace, Slack, the identity provider, mobile device management, and related systems.
  • The position requires contributing to the design and security of the office network, audiovisual systems, and physical access controls.
Responsibilities
  • Own the internal security posture end to end, including endpoint security, identity and access management, network security, email security, and cloud security for the corporate environment.
  • Design and run the identity strategy across single sign-on, multifactor authentication, conditional access, and privileged access management.
  • Build and operate the vulnerability management program, including patching, endpoint hardening, and continuous monitoring.
  • Lead incident response for internal security events, from detection and containment through investigation and post-incident review.
  • Drive compliance and certification work for SOC 2 Type II, ISO 27001, and other frameworks as the company grows, including scoping, evidence collection, and working with external auditors.
  • Build and run the security awareness program, including ongoing training, phishing simulations, and role-specific education.
  • Set and maintain security policies, standards, and internal documentation that scale with the company.
  • Own vendor risk and third-party security reviews for tools and partners.
  • Partner with product security and engineering leadership to keep internal and product security aligned.
  • Own the IT architecture.
  • Select the IT provider and make changes when necessary.
  • Manage the tools and configurations that keep the team productive and secure across Google Workspace, Slack, the identity provider, mobile device management, and related systems.
  • Contribute to the design and security of the office network, audiovisual systems, and physical access controls.
Desired Qualifications
  • Prior experience as the first or founding internal security hire at a startup.
  • Background as a practitioner in cybersecurity, including SOC, threat detection, red team, or product security experience.
  • Relevant certifications such as Certified Information Systems Security Professional, Offensive Security Certified Professional, GIAC Certified Intrusion Analyst, GIAC Certified Incident Handler, Certified Information Systems Auditor, or equivalent.
  • Experience with security operations tooling such as security information and event management, extended detection and response, and detection and response platforms.
  • Familiarity with regulated frameworks beyond SOC 2 and ISO, including FedRAMP, HIPAA, PCI, and GDPR.

Artemis offers an AI-native protection layer for cybersecurity. It provides an intelligent assistant for security operations, letting analysts use natural language to run analytics on endpoint data, get early warnings, and track threat actors across platforms. The platform automates repetitive tasks, delivers context-rich insights, and issues real-time alerts by applying behavioral intelligence to detect unusual activity, integrating with existing security tools and systems. Artemis differentiates itself through its AI-driven defense approach, focus on proactive risk mitigation, and combination of threat intelligence, endpoint security, and incident response capabilities led by founders with deep experience in leading security products. The company aims to help organizations defend against increasingly AI-powered threats and reduce cyber risk before threats escalate.

Company Size

51-200

Company Stage

Series A

Total Funding

$70M

Headquarters

New York City, New York

Founded

2015

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Simplify Jobs

Simplify's Take

What believers are saying

  • April 15, 2026: Artemis closed $70 million from Felicis, First Round, Brightmind, and Theory.
  • Fortune reported Mercury, Wix, Lemonade, and Abnormal AI already use Artemis.
  • Artemis claims 94% faster detection-response and 15,000 terabytes of telemetry daily, supporting expansion.

What critics are saying

  • Crowded alternatives like Mave, Lumu, and BluSapphire compress pricing and shorten enterprise bakeoffs.
  • Artemis still lacks public proof of durable platform switching beyond early customers Mercury, Wix, Lemonade.
  • If incumbents bundle AI into Splunk, CrowdStrike, and Microsoft security stacks, Artemis becomes expendable.

What makes Artemis unique

  • April 15, 2026: Artemis rebuilt SIEM around AI-native, autonomous investigations and response.
  • June 4, 2026: Latio named Artemis Threat Detection Leader and SIEM Disruptor.
  • Artemis models each customer's environment, turning logs into attack stories and permanent detections.

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Benefits

Company Equity

Growth & Insights and Company News

Headcount

6 month growth

43%

1 year growth

21%

2 year growth

21%
Beinsure
May 7th, 2026
Artemis emerges from stealth with $70M to rebuild SIEM with AI-native threat detection

Israeli cybersecurity startup Artemis has emerged from stealth with $70 million in funding to rebuild security information and event management around AI-native threat detection. The funding includes a $55 million Series A led by Felicis and a $15 million seed round co-led by First Round Capital and Brightmind. Artemis uses AI to continuously model enterprise environments, enabling autonomous investigations and threat detection rather than traditional anomaly flagging. The platform evaluates whether activity sequences align with normal operational behaviour, automatically generating detections and contextual threat narratives. Early enterprise customers have achieved a 94% reduction in mean time to detect and respond to security incidents. The platform currently analyses over 15,000 terabytes of telemetry daily. The company positions itself as an AI-native alternative to legacy SIEM platforms for cloud-scale environments.

TheMarker
Apr 15th, 2026
Harvard and Oxford graduates raise $70M to compete with Vega Security

Israeli cybersecurity startup Artemis Security has emerged from stealth after raising $70 million, comprising a $15 million seed round and a $55 million Series A. The company was founded last summer and has operated below the media radar until now. Founded by Harvard and Oxford graduates, Artemis competes with established players like Wiz Security in the cybersecurity sector. The substantial early-stage funding highlights strong investor confidence in the startup's approach to cybersecurity solutions. Further details about Artemis Security's specific technology offering and investor participants were not disclosed at launch.

AlleyWatch
Apr 12th, 2026
#NYCtech week in review: 4/12/26 - 4/18/26.

#NYCtech week in review: 4/12/26 - 4/18/26. With so much going on in the city's thriving ecosystem, it is easy to miss some of the happenings in the space. We keep you abreast of the things that you may have missed in NYC Tech News for the week ending 4/18 including the NYC startup fundings, NYC startup exits, and NYC startup events featuring news for Chapter, Artemis, Bluefish, and much, much more. AlleyWatch Exclusive: You Could Be an Investor in High-Potential Startups Like These AlleyWatch and Alumni Ventures are teaming up this week only to give readers early access to high-growth startup opportunities, including some of today's most exciting AI, Deep Tech, Quantum Computing, Cybersecurity, and Space companies co-invested alongside top VC firms like Andreessen Horowitz (a16z), Bessemer, & Y Combinator. * Curated deal flow of high-potential startups * AV is already investing alongside elite lead venture firms in these deals * No cost to see deals * No obligation to invest Don't miss your chance before access closes. Chapter - $100M Series E. Healthcare Chapter, the Medicare navigation platform using AI to deliver personalized, unbiased healthcare coverage guidance to seniors, has raised $100M in Series E funding led by Generation Investment Management, with participation from Fifth Down Capital, 8VC, Stripes, XYZ Venture Capital, Addition, Narya Capital, Susa Ventures, and Maverick Ventures. Founded by Cobi Blumenfeld-Gantz, Corey Metzman, and Vivek Ramaswamy in 2020, Chapter has now raised a total of $284M in reported equity funding. Artemis - $70M Series A. Cybersecurity Artemis, a cybersecurity platform that delivers real-time threat detection and automated response for organizations defending against AI-powered attacks, has raised $70M in Series A funding led by Felicis. Artemis was founded by Shachar Hirshberg and Dan Shiebler in 2025. Bluefish - $43M Series B. Bluefish, an agentic marketing platform that helps Fortune 500 brands monitor and optimize how they appear across AI channels, has raised $43M in Series B funding co-led by Threshold Ventures and NEA, with participation from Amex Ventures, TIAA Ventures, Salesforce Ventures, Bloomberg Beta, Crane Venture Partners, Laconia, and Swift Ventures. Founded by Alex Sherman, Jing Feng, and Andrei Dunca in 2024, Bluefish has now raised a total of $68M in reported equity funding. Attention, the AI platform that automates CRM updates and sales workflow actions from customer conversations, has raised $21.6M in funding according to a recent SEC filing. The filing indicates that the total offering is for $37.5M and there were 20 investors in this close. Founded by Anis Bennaceur and Matthias Wickenburg in 2021, Attention has now raised a total of $38.4M in reported equity funding. Pillar - $20M Seed. Pillar, a financial risk management platform that automates commodity and currency hedging for small and medium-sized businesses, has raised $20M in Seed funding led by Andreessen Horowitz, with participation from Crucible Capital, Gallery Ventures, and Dara Khosrowshahi. Founded by Harsha Ramesh, Chinmay Deshpande in 2023, Pillar has now raised a total of $23M in reported equity funding. Joyful Health - $17M Series A. Healthcare Joyful Health, a healthcare financial infrastructure platform that helps medical providers recover unpaid insurance claims and optimize revenue cycle management, has raised $17M in Series A funding led by CRV. Founded by Eliana Berger in 2023, Joyful Health has now raised a total of $22M in reported equity funding. Ranger AI, an AI agent platform that helps industrial teams accelerate RFP responses and tendering workflows, has raised $6M in funding according to a recent SEC filing. The filing indicates that there were four investors in this round. Ranger AI was founded by James Zhan, Sari Saadi, and Dr. QC Wang in 2024. Traza - $2.1M Pre-Seed. Traza, an AI-powered procurement platform that deploys autonomous agents to handle vendor outreach, order tracking, and invoice processing for manufacturers and construction companies, has raised $2.1M in Pre-Seed funding led by Base10 Partners. Traza was founded by Silvestre Jara Montes, Santiago Martinez Bragado, and Sergio Ayala Minano in 2025. Gelu AI, an AI infrastructure company that delivers fast, affordable inference for large language models, has raised $2M in funding according to a recent SEC filing funding from investors that include The filing indicates that the round comes from a sole investor... Gelu AI was founded by Timur Abishev and Simon Alperovich in 2024. Timeshifter, a circadian technology company that helps people manage jet lag, shift work schedules, and sleep performance through science-backed mobile apps, has raised $1.8M in funding led by Skip Capital, with participation from Nico Rosberg, Michael Lopez-Alegria, and Brian Kelly. Founded by Jacob Ravn, Mickey Beyer-Clausen, Steven Lockley, and Tony Hanna in 2017, Timeshifter has now raised a total of $5.3M in reported equity funding. About alleywatch. Contact.