Senior Infrastructure Engineer

Who we are DigiCert is a global leader in intelligent trust. We protect the digital world by ensuring the security, privacy, and authenticity of every interaction. Our AI-powered DigiCert ONE platform unifies PKI, DNS, and certificate lifecycle management, to secure infrastructure, software, devices, messages, AI content and agents. Learn why more than 100,000 organizations, including 90% of the Fortune 500, choose DigiCert to stop today’s threats and prepare for a quantum-safe future at www.digicert.com Job summary We are looking for a Senior Infrastructure Engineer to design, build, and maintain the enterprise infrastructure that runs across our multi-region datacenter footprint. In this role, you will own our infrastructure-as-code automation, virtualization platforms, and storage systems, balancing hands-on physical infrastructure with modern DevOps practices. Most of your work is remote, with scheduled in-office days for collaboration and hardware integration testing. What you will do Key Responsibilities Infrastructure Automation: Design and maintain IaC solutions using Terraform, Ansible, or SaltStack for configuration management and deployment standardization across 5+ datacenters. Hypervisor Management: Administer vCenter environments and Nutanix AHV clusters; optimize resource allocation, performance tuning, and high-availability configurations. Storage Engineering: Manage the Nutanix storage fabric, monitoring, and capacity planning; optimize IOPS, latency, and replication strategies. Datacenter Operations: Lead hardware procurement, specification, and installation during refresh cycles; maintain asset inventory and power/cooling optimization. Monitoring & Observability: Build Splunk dashboards, field extractors, and alerting rules for infrastructure metrics; troubleshoot performance issues through log analysis. CI/CD Integration: Partner with development teams on GitHub-based infrastructure repositories; implement automated testing and rollback procedures for infrastructure changes. Compliance & Security: Implement hardening standards and vulnerability remediation (CVE patching through patching pipelines), and uphold security best practices across all systems. On-Call Rotation: Share in the team on-call rotation, including days, nights, weekends, and holidays. What you will have Required Skills & Experience 5+ years of hands-on infrastructure engineering (hypervisors, storage, networking). 3+ years of IaC with Terraform, Ansible, or CloudFormation. Deep expertise in VMware vSphere (vCenter administration, ESXi tuning) and Nutanix AHV (deployment, cluster management). NetApp storage administration (data protection, replication, capacity management). Splunk proficiency: dashboard development, field extraction, SPL optimization, and alerting. GitHub workflow: branching strategies, pull requests, and CI/CD pipeline integration. Linux/Windows system administration and troubleshooting. Physical infrastructure: comfortable with hardware installation, cabling, and IPMI/iLO management. Able to travel to our datacenters for deployments, maintenance, and hardware refresh cycles — usually quarterly, and sometimes on shorter notice as needs come up. Nice to have Preferred Qualifications Hands-on Python scripting for infrastructure automation (config.json-driven patterns). Experience with vulnerability remediation and patching workflows (CVE tracking, Tanium). Kubernetes or container orchestration knowledge. Enterprise SAN/NAS background. Familiarity with cloud migration patterns (VMware-to-Nutanix cold migrations). Advanced Splunk certifications (Admin, Advanced Admin). VMware certifications (VCP, VCAP). Cloud experience (AWS, Azure). Work Environment 2 days/week on-site in our Lehi office for collaborative planning, hardware testing, and team meetings 3 days/week remote for coding, monitoring, documentation, and async collaboration Travel to our datacenters (2-5 days per trip) for hardware installations and deployments — typi…