NetOps SRE

About the role

DigiCert is a global leader in intelligent trust, protecting the digital world by ensuring the security, privacy, and authenticity of every interaction. The NetOps Site Reliability Engineer (SRE) ensures the availability, reliability, and performance of large-scale, carrier-grade network infrastructure. This role is deeply technical, requiring strong expertise in BGP routing, datacenter operations, and network deployment across Juniper and Arista platforms. The position also requires strong customer-facing skills, as the engineer may participate in troubleshooting calls with customers and collaborate closely with internal teams during high-impact incidents.

Responsibilities

• Monitor and maintain network infrastructure for performance, availability, and potential vulnerabilities.
• Ensure optimal traffic flow, throughput, and latency for customer-facing services.
• Operate within UNIX-based environments for system-level troubleshooting.
• Maintain a working understanding of DDoS protection concepts (no direct mitigation required).
• Engage directly with customers during troubleshooting calls to diagnose complex network issues.
• Provide clear, professional communication to customers and stakeholders during incidents and escalations.
• Collaborate with internal teams including NOC, engineering, security, and product teams.
• Maintain a strong customer-focused mindset when addressing issues.
• Stage, install, configure, and maintain routers and switches in production environments.
• Deploy and troubleshoot complex LAN/WAN network configurations.
• Configure and troubleshoot routing protocols with strong expertise in BGP.
• Support OSPF, static routing, and routing optimizations.
• Identify routing inefficiencies and implement improved configurations.
• Handle Tier-2 operational escalations and break/fix activities.
• Perform Layer 1 tasks including cable tracing, optical validation, and connectivity checks.
• Work with datacenter technicians for racking/stacking, cabling, and circuit turn-ups.
• Support patching, remote-hands tasks, inventory, and equipment troubleshooting.
• Use Git and Ansible for network automation and orchestration.
• Develop scripts and tools; Python experience is a plus.
• Provide Tier-2 support for critical incidents.
• Perform scheduled maintenance including hardware and software upgrades.
• Maintain documentation such as MOPs, network diagrams, and DR procedures.
• Participate in a 24x7 on-call rotation.

Requirements

• 2+ years of datacenter operations experience including cabling, power management, remote hands, inventory, vendor coordination, and equipment/circuit testing.
• 1+ years of experience with Ansible and Git for automation.
• 1+ years of experience with DDoS detection/analysis tools.
• Experience participating in customer troubleshooting calls.
• Background working in ISP or carrier-grade environments (required).

Skills

• Juniper platforms (required).
• Arista platforms (required).
• Strong BGP proficiency (required).
• OSPF, MPLS, DNS.
• LAN/WAN technologies.
• UNIX systems.
• Physical Layer 1 operations and datacenter coordination.
• Python scripting experience (preferred).

Benefits

DigiCert offers a competitive benefits package for all of our full-time employees.