Job Summary
This position is responsible for supporting, maintaining, and providing enhancements to Denny's IT infrastructure, both on-premises and in cloud deployments. The Infrastructure Engineer is expected to be a knowledgeable, hands-on resource and to contribute meaningfully to Denny's evolving IT needs and requirements. Advanced engineering and architectural work are expected from this role, including the design, planning, validation, and implementation of infrastructure changes across on-premises and cloud.
Based at Denny's Spartanburg, SC headquarters, the Infrastructure Engineer is a central member of the IT team, with direct ownership of the data center and cloud infrastructure that supports Denny's operations. Administrators on the team provide entry-level data center support, and the Infrastructure Engineer collaborates with them through informal knowledge sharing and runbook walk-throughs to cover routine tasks.
Essential Functions (Key Responsibilities)
• Provide day-to-day administration of on-premises and cloud infrastructure systems, including configuration changes, availability and performance monitoring, capacity planning, applying updates for functionality, and addressing security concerns.
• Administer the on-premises platform, including Nutanix HCI virtualization (AOS, AHV, Prism Central), VMware vSphere, Windows Server (2016 through 2025), Linux servers (RHEL, CentOS, Ubuntu), bare metal hardware, and data center operations.
• Administer SNS, Pure Storage Flash Array, and Brocade Fibre Channel fabric, including volume management, host mappings, snapshot policies, and zoning.
• Administer Microsoft Azure IaaS, including virtual machines, storage accounts, and Azure Blob storage, across a multi-subscription environment. Monitor utilization and contribute to cost management and right-sizing efforts.
• Administer enterprise identity, including Active Directory, Entra ID, hybrid sync (Entra Connect), Group Policy Objects, and conditional access policies. Maintain Ivanti server patching, OS hardening standards, and platform lifecycle management.
• Administer Windows DHCP and DNS services, including Active Directory-integrated DNS for internal namespaces and public-facing DNS hosted in Azure.
• Manage SSL/TLS certificates, certificate authorities (CA), and SSH keys, including issuance, renewal, distribution, and revocation. Develop and maintain tooling and automation supporting certificate and key lifecycle management.
• Manage Rubrik backup operations, including job and SLA policy management, monitoring of user protection and business continuity platforms, and participation in scheduled disaster recovery tests with validation of system restorations and updates to recovery playbooks based on findings.
• Administer Logic Monitor configuration, including dashboards, alert thresholds, and escalation policies. Triage monitoring alerts, tune thresholds to reduce noise, and contribute to instrumenting after-hours alert volume and severity to inform future planning.
• Installation of new hardware, software and services while also maintaining and supporting existing IT infrastructure equipment and processes.
• Identify and automate complex integrations, repetitive administration tasks, and templated deployments to align with configuration and security standards. Develop and maintain PowerShell, Shell scripting (bash), Python, and Microsoft Graph API automation.
• Provide infrastructure support to developers responsible for enterprise scheduling, including the OS, identity, and integration touchpoints required to implement new processes or modify existing workflows.
• Serve as an internal infrastructure resource for projects involving other departments within Denny's and for projects involving external technology partners delivering services or products on behalf of Denny's.
• Participate in the planning, selection, and validation of new technologies being deployed on-premises and via cloud resources.
• Provide Tier 2 and Tier 3 support for complex applications and integrations between systems at the OS, identity, and connectivity layers. Application logic, vendor relationships, and business ownership of these applications remain with the application or business owners.
• Share knowledge with administrators providing entry-level data center support, using runbooks and informal walk-throughs to bring them up to speed on routine tasks.
• Drive maximum value from existing systems while looking for opportunities to automate, simplify, and streamline workflows.
• Maintain accurate, current documentation for managed systems, including runbooks,