
TENEX is a cybersecurity company leveraging advanced artificial intelligence and human expertise to transform enterprise security. Backed by Andreessen Horowitz (a16z) and Shield Capital, TENEX’s flagship offering is a next-generation Managed Detection and Response (MDR) service, transforming how organizations detect and respond to threats. With deep expertise in Google and Microsoft security ecosystems and state-of-the-art AI capabilities, TENEX empowers enterprises to enhance threat detection, agility, and resilience while maximizing the value of their security investments.

TENEX is a cybersecurity company leveraging advanced artificial intelligence and human expertise to transform enterprise security. Backed by Andreessen Horowitz (a16z) and Shield Capital, TENEX’s flagship offering is a next-generation Managed Detection and Response (MDR) service, transforming how organizations detect and respond to threats. With deep expertise in Google and Microsoft security ecosystems and state-of-the-art AI capabilities, TENEX empowers enterprises to enhance threat detection, agility, and resilience while maximizing the value of their security investments.
What they do: AI-native Managed Detection and Response (MDR) and AI SOC services
Founded / launch: Commercial launch January 2025
Recent raise: $27M Series A (announced September 11, 2025)
Backers: Crosspoint Capital Partners (Series A lead), Andreessen Horowitz (a16z), Shield Capital
Employees: ~60
Enterprise security operations and threat detection/response
Technology, Information and Internet
$27M
Participation from Andreessen Horowitz and Shield Capital; additional participation reported from DTCP, DeepWork Capital, and the Florida Opportunity Fund
“Backed by top-tier venture investors including Andreessen Horowitz (a16z) and Crosspoint Capital Partners”
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Company Overview: TENEX is an AI-native, automation-first, built-for-scale Managed Detection and Response (MDR) provider. We are a force multiplier for defenders, helping organizations enhance their cybersecurity posture through advanced threat detection, rapid response, and continuous protection. Our team is composed of industry experts with deep experience in cybersecurity, automation, and AI-driven solutions. Backed by leading investors, including Andreeseen Horowitz (a16z) and Crosspoint, we are rapidly growing and seeking top talent to join our mission of revolutionizing the MDR landscape.
We are seeking a dynamic to join our team, reporting to the Chief Customer Officer (CCO). This hybrid role combines the technical expertise of a Sales Engineer with hands-on contributions to Customer Success and Security Operations. As a FDA, you will act as a trusted advisor, showcasing Tenex.AI’s AI-driven security solutions during the pre-sales and evaluation processes, ensuring seamless handover to customer onboarding, and supporting rapid onboarding of operational initiatives to enhance security outcomes.
This field-based role requires up to 50% travel to client sites, with remote work flexibility. The ideal candidate is passionate about cybersecurity, thrives in a fast-paced environment, and excels at translating complex technical concepts into compelling business value.
Key Responsibilities: Sales Engineering Excellence :
Customer Success & Operational Support :
Thought Leadership :
Cross-Functional Collaboration :
Google Cloud Security Expertise :
Qualifications Experience : 5+ years in cybersecurity, with 5+ years in a customer-facing role (e.g., Sales Engineer, Solutions Architect, Consultant).
Technical Skills :
Soft Skills : Exceptional communication and presentation skills, with the ability to simplify complex security topics for non-technical audiences. Strong problem-solving skills, customer empathy, and experience engaging executive stakeholders (e.g., CISOs, CTOs).
Other : Willingness to travel (up to 50%); valid driver’s license required. Must pass a background check and maintain up-to-date security clearances if applicable.