Platform Security Automation Engineer
Posted 13 Oct 2026
BranchFactor Summary
The original posting with the fluff stripped out
- Management level
- Individual contributor
- Employment
- Hybrid
- Contract
- Full-time
No salary listed for this role.
Field of studyComputer Science, Engineering (or related)
Study levelBachelor's or higher
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.
Culture is one of the most important things at TENEX.AI—explore our culture deck at culture.tenex.ai to witness how we embody it, prioritizing the irreplaceable collaboration and community of in-person work.
Reporting to Software Engineering, the Platform Security Automation Engineer owns the integration layer between our AI agents and the security platforms they work with. You will deploy and maintain SIEM, SOAR, and EDR environments across a wide range of vendors, and build the software, automated response workflows, and internal tooling that connect them.
Location: San Jose, CA, Sarasota, FL or Overland Park, KS. We will require 4 days onsite M-TH.
You will:
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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 exclusions on EDR platforms, detection content on SIEM platforms, and connectors on SOAR platforms.
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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.