Senior Infrastructure Engineer

About this role

<div class="content-intro"><p style="line-height: 1.4;"><span style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: 12pt;"><strong>Who we are</strong></span></p> <p style="line-height: 1.4;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">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 <a href="http://www.digicert.com/">www.digicert.com</a></span></p></div><p style="line-height: 1.4;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><strong>Job summary</strong></span></p> <p style="line-height: 1.4;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">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.</span></p> <p style="line-height: 1.4;"> </p> <p style="line-height: 1.4;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><strong>What you will do</strong></span></p> <p style="line-height: 1.4;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><strong>Key Responsibilities</strong></span></p> <ul> <li style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><strong>Infrastructure Automation:</strong> Design and maintain IaC solutions using Terraform, Ansible, or SaltStack for configuration management and deployment standardization across 5+ datacenters.</span></li> <li style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><strong>Hypervisor Management:</strong> Administer vCenter environments and Nutanix AHV clusters; optimize resource allocation, performance tuning, and high-availability configurations.</span></li> <li style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><strong>Storage Engineering:</strong> Manage the Nutanix storage fabric, monitoring, and capacity planning; optimize IOPS, latency, and replication strategies.</span></li> <li style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><strong>Datacenter Operations:</strong> Lead hardware procurement, specification, and installation during refresh cycles; maintain asset inventory and power/cooling optimization.</span></li> <li style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><strong>Monitoring & Observability:</strong> Build Splunk dashboards, field extractors, and alerting rules for infrastructure metrics; troubleshoot performance issues through log analysis.</span></li> <li style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><strong>CI/CD Integration:</strong> Partner with development teams on GitHub-based infrastructure repositories; implement automated testing and rollback procedures for infrastructure changes.</span></li> <li style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><strong>Compliance & Security:</strong> Implement hardening standards and vulnerability remediation (CVE patching through patching pipelines), and uphold security best practices across all systems.</span></li> <li style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><strong>On-Call Rotation:</strong> Share in the team on-call rotation, including days, nights, weekends, and holidays.</span></li> </ul> <p style="line-height: 1.4;"> </p> <p style="line-height: 1.4;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><strong>What you will have</strong></span></p> <p style="line-height: 1.4;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><strong>Required Skills & Experience</strong></span></p> <ul> <li…