Senior Network 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><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><strong>Job summary</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;">The Network Infrastructure team is responsible for the operation, monitoring, maintenance, and support of DigiCert's global production network.</span></li> <li style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">This position serves as a first responder for network incidents and operational requests, providing initial troubleshooting, monitoring, and administration of production network systems.</span></li> </ul> <p><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><strong>What you will do</strong></span></p> <ul> <li> <div><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Network Operations & Monitoring</span></div> </li> <li> <div><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Monitor the health, performance, and availability of global production network infrastructure.</span></div> </li> <li> <div><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Review device logs, alerts, and monitoring systems to identify and respond to operational issues.</span></div> </li> <li> <div><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Perform initial troubleshooting and incident response for network-related events.</span></div> </li> <li> <div><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Troubleshoot network, application, database, DNS, load balancing, and service connectivity issues across data center and cloud environments.</span></div> </li> <li> <div><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Work with Internet service providers, telecommunications carriers, cloud providers, application teams, database administrators, and third-party vendors to diagnose and resolve connectivity, routing, latency, and service-impacting issues.</span></div> </li> <li> <div><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Participate in incident response activities and assist with service restoration efforts during production outages.</span></div> </li> <li> <div><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Escalate complex issues to senior engineers while providing accurate documentation and diagnostics.</span></div> </li> <li> <div><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Participate in root cause analysis activities following service-impacting incidents</span></div> </li> <li><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Implement routine network configuration changes following established procedures.</span></li> <li style="text-align: justify;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Perform basic firewall policy modifications and access control changes.<br><br></span><strong style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">What you will have</strong></li> </ul> <ul> <li style="font-size: 12pt;"><span style="font-size: 12pt;">Associate's or Bachelor's degree in Information Technology, Computer Science, Engineering, or a related field, or an equivalent combination of education and relevant experience.</span></li> <li style="font-size: 12pt;"><span style="font-size: 12pt;">5+ years of experience supporting enterprise, service provider, or data center network environments.</span></li> <li style="font-size: 12pt;"><span style="font-size: 12pt;">Understanding of: TCP/IP, DNS, Routing and switching fundamentals, VLANs and network segmentation, Firewall concepts, VPN technologies </span></li> <li style="font-size: 12pt;"><span style="font-size: 12pt;">Understand routing protocols and route troubleshooting…