Senior Network Engineer
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**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**
* The Network Infrastructure team is responsible for the operation, monitoring, maintenance, and support of DigiCert's global production network. * This position serves as a first responder for network incidents and operational requests, providing initial troubleshooting, monitoring, and administration of production network systems.
**What you will do**
* Network Operations \& Monitoring * Monitor the health, performance, and availability of global production network infrastructure. * Review device logs, alerts, and monitoring systems to identify and respond to operational issues. * Perform initial troubleshooting and incident response for network\-related events. * Troubleshoot network, application, database, DNS, load balancing, and service connectivity issues across data center and cloud environments. * 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. * Participate in incident response activities and assist with service restoration efforts during production outages. * Escalate complex issues to senior engineers while providing accurate documentation and diagnostics. * Participate in root cause analysis activities following service\-impacting incidents * Implement routine network configuration changes following established procedures. * Perform basic firewall policy modifications and access control changes.
**What you will have** * 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. * 5\+ years of experience supporting enterprise, service provider, or data center network environments. * Understanding of: TCP/IP, DNS, Routing and switching fundamentals, VLANs and network segmentation, Firewall concepts, VPN technologies * Understand routing protocols and route troubleshooting concepts. * Experience using network monitoring, logging, and observability platforms to identify, investigate, and respond to infrastructure issues. * Experience reviewing system and device logs to assist with troubleshooting and incident response activities. * Experience responding to operational incidents and working within established incident management processes. * Experience troubleshooting network, application, database, DNS, and service connectivity issues in collaboration with service providers, cloud providers, vendors, and internal technical teams. * Ability to perform network troubleshooting and isolate issues across routing, switching, firewall, load balancing, and cloud\-connected environments.
Strong analytical and problem\-solving skills. * Ability to follow operational procedures in a highly controlled production environment * Excellent written and verbal communication skills * Ability to participate in on\-call support rotation and monthly maintenance.
**Nice to have**
* Familiarity with Linux\-based systems. * Exposure to modern data center networking architectures, including Leaf\-Spine fabric designs. * Familiarity with data center networking technologies such as:
Border Gateway Protocol (BGP)
Virtual Extensible LAN (VXLAN)
Ethernet VPN (EVPN) * Understanding of overlay and underlay networking concepts within modern data center environments.
Experience supporting Arista EOS\-based switching environments. * Experience using Arista CloudVision for network management, monitoring, automation, and operational visibility. * Ability to perform under pressure during incidents. * Ability to work effectively within a global infrastructure team.
**Benefits**
* Generous time off policies * Top shelf benefits * Education, wellness and lifestyle support
To protect candidate information and maintain a secure hiring process, all applications must be submitted through our careers portal. Resumes or CVs sent directly via email will not be reviewed or considered.
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