Staff Software Engineer

About this role

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, we are rapidly growing and seeking top talent to join our mission of revolutionizing the AI-Native MDR landscape.


We’re a fast growing startup backed by industry experts and top tier investors led by
Crosspoint Capital Partners
and also backed by
Shield Capital
,
DTCP (formerly Deutsche Telekom Capital Partners)
,
Deepwork Capital
, and the
Florida Opportunity Fund
. Seed round led by
Andreessen Horowitz (a16z)
. As an early employee, you’ll play a meaningful role in defining and building our culture. Get in on the ground floor. We’re a small but well-funded team that just raised a substantial round – joining now comes with limited risk and unlimited upside.


We are seeking an experienced
Staff Software Engineer
to join our core engineering team. In this role, you will drive the technical vision and execution of our platform, ensuring that it is reliable, scalable, and secure as we grow. You’ll lead architecture design, guide complex technical decisions, and mentor engineers while remaining deeply hands-on.


As one of the most senior engineers on the team, you’ll balance strategic impact with technical depth—setting the standard for engineering excellence while directly contributing to our codebase. We value proactive builders who thrive in ambiguity, enjoy tackling hard technical problems, and can influence both product and engineering direction.


Location: This role will require Monday - Thursday onsite in any of our locations. WFH Friday.
Culture is one of the most importa...