IT Systems & Security Engineer

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.

The Opportunity:

We're looking for a highly motivated and skilled IT Systems & Security Engineer to join our dynamic team. This pivotal role is perfect for an Systems/Security Engineer with a strong foundational understanding of security, eager to evolve into a full-fledged security and systems specialist. You'll play a crucial role in safeguarding our entire IT infrastructure and digital assets, including those of our valued customers. You will be designing, implementing, and optimizing cutting-edge security controls and building out robust system and security capabilities from the ground up. You'll be instrumental in ensuring seamless IT operations while proactively strengthening TENEX's and our customers’ security posture against an ever-evolving threat landscape through robust engineering practices and intelligent automation.

Location: This role will require onsite in our Sarasota, FL location.

Culture is one of the most important things at TENEX.AI—dive into our culture deck at culture.tenex.ai to see how we live it every day, with a deep emphasis on the collaboration and community that only in-person work delivers.

What you get to do:

• IT & Infrastructure

  • Core Duties: Administer, monitor, and optimize essential IT systems, identity, and cloud environments (GCP, Google Workspace). Provide expert-level support.

  • Key Technologies/Focus: Google Cloud Platform (GCP), Google Workspace, Google Identity.

• Physical Security/Networking

  • Core Duties: Serve as the expert for network design/installation and physical security (doors, cameras).

  • Key Technologies/Focus: Ubiquiti UniFi Platform (all systems), Network Cabling, Small-Scale Network Design.

• Security Engineering

  • Core Duties: Design, implement, and maintain advanced security tools (Firewalls, EDR, SIEM, ZTNA, MFA). Lead system hardening, gap assessments, and policy enforcement.

  • Key Technologies/Focus: EDR (e.g., SentinelOne), SIEM (e.g., SecOps), ZTNA, Firewall Management.

• Security Automation

  • Core Duties: Champion "security-as-code" by leveraging APIs and scripting to automate security orchestration, alert enrichment, and response workflows.

  • Key Technologies/Focus: Python/PowerShell Scripting, API Integration, Automation/Orchestration.

Qualifications:

• Experience: Minimum 3+ years in IT administration, with at least 1 year focused on cybersecurity operations/engineering.

• Cloud & Identity: Expert proficiency in Google Workspace, GCP, and identity management solutions.

• Security Tools: Hands-on experience configuring and managing ZTNA, EDR, SIEM platforms, and network security concepts.

• Automation: Strong scripting skills (Python/PowerShell) for API integration and automating security/IT work