We are seeking a hands-on Infrastructure Engineer with a Secret clearance to support and maintain the ServiceNow platform and its underlying infrastructure in a disconnected (dark site / air-gapped) environment. This role is responsible for designing, deploying, configuring, and maintaining secure, highly available infrastructure including servers, virtualization platforms, operating systems, and application deployments. The ideal candidate is proactive, security-focused, and experienced with VMware, Windows and Linux administration, automation, and restricted/offline environments. Basic database support may be required; deep DBA expertise is not necessary.

Infrastructure & Virtualization

• Deploy, configure, and manage VMware vCenter, ESXi hosts, virtual machines, templates, and resource pools.
• Administer Windows Server and RHEL environments, including Active Directory and identity services.
• Create and maintain OVAs, golden images, and VM templates for consistent deployments.
• Automate provisioning and maintenance using PowerShell, Bash, or similar tools.
• Apply security hardening and compliance standards (CIS, NIST, STIGs).
• Support offline patching, updates, and secure change management in air-gapped environments.
• Ensure scalability, availability, and operational continuity.

Platform & Application Support

• Provide infrastructure-level support for a disconnected ServiceNow deployment.
• Assist with application deployments, configuration, and troubleshooting.
• Manage storage, basic networking, and backup/restore processes (e.g., Cohesity or similar).
• Provide light support for related systems such as MS SQL tools (WSUS, Volume Activation).

Database (Secondary)

• Perform basic MariaDB/MySQL administration including configuration, backups, monitoring, and minor tuning.
• Assist with availability and recovery activities as needed.

Collaboration & Documentation

• Partner with Architecture, DevOps, Security, and application teams to deliver compliant solutions.
• Produce and maintain infrastructure diagrams, build guides, deployment procedures, and compliance documentation.
• Contribute to incident response and root-cause analysis in secure environments.