Senior Network Engineer
External
Digicert · Bangalore, IndiaPrepare for this interview
EliteAI-generated questions, company research, and talking points tailored to this role
About the role
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.
Responsibilities
- 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.
Requirements
- 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
Your Match
How well this role fits your profile.
Company Intel
What employees say
Worked at digicert? Share your experience