Enterprise Technology Engineer (IT/OT)

· 5+ years of experience in cloud infrastructure, enterprise networking, cybersecurity, operational technology, or a related engineering discipline.

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· Hands-on experience with Microsoft Azure, Microsoft 365, Entra ID, or comparable enterprise cloud and identity platforms.

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· Strong networking knowledge, including TCP/IP, routing, switching, VLANs, DNS, DHCP, NAT, firewalls, VPNs, and network segmentation.

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· Experience with OT/ICS, SCADA, PLCs, HMIs, industrial networks, or vendor-managed operational systems.

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· Working knowledge of identity and access management, MFA, least privilege, monitoring, backup and recovery, documentation, and change control.

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· Strong troubleshooting, root-cause analysis, documentation, and communication skills.

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· Ability to work effectively across IT, Cybersecurity, Operations, Engineering, and third-party technology providers.

· Design, administer, and optimize Microsoft Azure, Microsoft 365, and Entra ID, including networking, identity, conditional access, MFA, monitoring, and governance.

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· Engineer and troubleshoot LAN/WAN, SD-WAN, routing, switching, wireless, firewalls, VPNs, segmentation, and secure remote access.

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· Design and maintain secure IT/OT boundaries, industrial DMZs, network segmentation, and controlled vendor access.

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· Support OT/ICS environments, including PLCs, HMIs, SCADA, industrial networks, edge devices, and operational applications.

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· Coordinate infrastructure and OT upgrades, deployments, maintenance windows, vendor access, backups, recovery, and controlled changes.

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· Apply least privilege, vulnerability management, logging, monitoring, secure configuration, segmentation, backup, and recovery principles.

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· Troubleshoot complex issues spanning cloud, network, identity, security, servers, applications, databases, and OT infrastructure.

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· Maintain architecture diagrams, inventories, configurations, runbooks, system dependencies, and recovery documentation.

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Skills & QualificationsWhat You’ll Bring

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JET Infrastructure is advancing AI integration and cyber resilience across its IT, OT, and cloud environments. We are seeking an experienced Enterprise Technology (Infrastructure & Cybersecurity) Engineer to support the Director of Cybersecurity and Enterprise Technology (IT) in designing and evolving secure, resilient cloud infrastructure, network architecture, and Operational Technology (OT/ICS) environments. The role emphasizes Microsoft Azure, Microsoft 365, and Entra ID, with a focus on maximizing business continuity, eliminating single points of failure, and protecting critical assets.

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The successful applicant will identify cyber vulnerabilities, design mitigation strategies, and work closely with IT and OT Managed Service Providers (MSPs) to execute remediation and validate outcomes. They will also collaborate with OT engineers and Product Owners to keep operational technology systems and critical business processes available and secure.