PKI Engineer

We are seeking a Senior Infrastructure Engineer with strong hands‑on experience in PKI, VMware virtualization, and enterprise backup systems. The role will focus on migrating from a legacy Certificate Authority to a new PKI, consolidating multiple vCenter environments into a single vCenter, and reconfiguring backup jobs to align with the new infrastructure architecture. This role requires deep production‑level experience and close collaboration with security, network, and operations teams. Key Responsibilities PKI & Security Infrastructure Lead migration from legacy Certificate Authority (CA) to a new PKI infrastructure Support certificate‑based authentication using 802.1X Integrate and troubleshoot RADIUS and Microsoft NPS servers Manage certificate lifecycle, validation, and security best practices Ensure minimal downtime and proper rollback planning during PKI cutover VMware & Virtualization Administer and consolidate VMware vCenter environments (3 → 1) Plan and execute vCenter migrations with minimal business impact Manage ESXi hosts, clusters, datastores, and VM migrations Coordinate with dependent teams during infrastructure changes Backup & Recovery Reconfigure and optimize backup jobs post‑architecture changes Ensure backup coverage, retention, and restore testing Work with enterprise backup tools such as Veeam, Commvault, NetBackup, or Avamar Maintain DR readiness and documentation Systems & Operations Administer Windows Server infrastructure (AD, DNS, GPO, CA) Perform infrastructure planning, documentation, and change management Collaborate with security, networking, and application teams Provide L3 support for infrastructure‑related issues Required Skills & Qualifications Strong experience with PKI and Certificate Authority migrations Hands‑on knowledge of 802.1X, RADIUS, and Microsoft NPS VMware vCenter administration and consolidation experience Enterprise backup and recovery reconfiguration experience Windows Server & Active Directory administration #J-18808-Ljbffr Veriipro