Forward Deployed Security Automation Engineer

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.

What you'll do:

• Operate security platforms across vendors: Deploy, configure, and maintain sandboxes of SIEM, SOAR, and EDR environments across vendors such as CrowdStrike, SentinelOne, Microsoft Defender, Splunk, Microsoft Sentinel, and Google SecOps. Manage prevention policies, host groups, custom IOAs, and exclu
• Resolve platform issues: Troubleshoot and resolve EDR agent problems across our environments, managing performance impacts, kernel or driver conflicts, upgrade rollouts, and false positive tuning.
• Build production software: Develop, test, and deploy production Python services (not just scripts). Manage the full lifecycle including APIs, workers, queues, tests, CI, and containers.
• Automate detection and response: Partner with other teams in engineering to build automated containment or remediation workflows, including host isolation, process kills, file quarantine, account disabling, and ticket creation.
• Design safety guardrails: Architect strict guardrails on automated response actions—this is the strongest signal of success in the role. You will build approval thresholds, allow lists for critical hosts, rate limits on isolation actions, audit trails, and safe release or rollback paths.
• Own the platform in production: Take end-to-end ownership of the platform's reliability and latency outcomes (such as time from alert to containment), and participate in the on-call rotation for security tooling.

Full details and application on the official Tenex careers page.