Edge Systems and Security Engineer

Protex AI

Edge Systems & Security Engineer at Protex AI focused on securing edge devices and infrastructure. Collaborate with teams to maintain and enhance security protocols in a rapidly evolving environment.

Posted 5/29/2026full-timeDublin • 🇮🇪 IrelandMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

CloudDNSFirewallsIoTLinuxPythonTCP/IP

About the role

Key responsibilities & impact

Own how Protex devices are provisioned, accessed, secured, and kept healthy in the field
Run and evolve our remote access fabric for edge devices
Deploy and operate security monitoring tools across remote devices via our existing device management platform
Own OS updates, upgrades, and kernel/driver compatibility across the fleet
Design how a brand-new Protex device goes from box to production
Maintain the firewall, port, and endpoint documentation we hand to customer IT and security teams
Internal Linux infrastructure, identity, SSO, MDM where relevant, and the day-to-day systems work that keeps the engineering org and the fleet running

Requirements

What you’ll need

5+ years of professional experience in systems administration, infrastructure, security engineering, or a similar hands-on operations role
Strong Linux fundamentals - including package management, init systems, networking, kernel/driver troubleshooting, and OS upgrade paths
Experience operating a fleet of Linux devices in the field (not just servers in a data centre) - remote management, patching, observability, recovery
Bachelor's degree in Computer Science, Engineering, or a related field
Hands-on experience with a mesh/VPN or zero-trust remote access solution
Solid networking knowledge: TCP/IP, DNS, NAT/firewalls, outbound-only architectures, certificate handling, and how to explain all of the above to a customer's security team
Experience deploying and operating endpoint security and vulnerability scanning tools at scale
Experience with a major public cloud provider, particularly the compute, identity, monitoring, and edge/IoT services
Proficiency coding in Python - comfortable writing automation, tooling, and small services rather than only shell one-liners
Additional scripting and automation skills (Bash or similar) to make manual fleet operations go away
A security mindset - secrets management, least privilege, threat modelling, and an instinct for what a customer security reviewer is going to ask
Owns their work end-to-end: planning, delivery, documentation, and cooperation across teams
Helpful and responsive - willing to jump on a field issue with urgency when an edge device or a customer is impacted
Bias to write things down so the next person doesn't have to ask

Benefits

Comp & perks

Competitive salary
Ownership and autonomy in your work
Opportunity to work on cutting-edge AI technology

ATS Keywords

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Hard Skills & Tools

Linux administrationOS updateskernel troubleshootingdriver compatibilitynetworkingPython programmingBash scriptingendpoint securityvulnerability scanningremote management

Soft Skills

planningdeliverydocumentationcooperationresponsivenessurgencycommunicationproblem-solvingownershipcustomer focus