NetOps SRE

DigiCert is a global leader in intelligent trust, protecting 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. More than 100,000 organizations, including 90% of the Fortune 500, rely on DigiCert to stop today’s threats and prepare for a quantum-safe future.

About the role

The NetOps Site Reliability Engineer (SRE) ensures the availability, reliability, and performance of large-scale, carrier-grade network infrastructure. This deeply technical role requires strong expertise in BGP routing, datacenter operations, and network deployment across Juniper and Arista platforms. The position also demands 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

• Network Operations & Performance
  • 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).
• Customer & Cross-Team Collaboration
  • 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.
• Routing, Switching & Deployment
  • 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.
• Physical Layer & Datacenter Operations
  • 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.
• Platform & Vendor Technologies
  • Juniper routing/switching platforms — required.
  • Arista routing/switching platforms — required.
• Automation & Tooling
  • Use Git and Ansible for network automation and orchestration.
  • Develop scripts and tools; Python experience is a plus.
• Operations, Maintenance & Documentation
  • 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

• Required Experience
  • 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).
• Technical Expertise
  • 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 full-time employees.