NetOps SRE

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 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.

What you will do

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.

What you will have

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 of our full-time employees.

DigiCert is an Equal Opportunity employer and is committed to diversity in its workforce. In compliance with applicable federal and state laws, DigiCert prohibits discrimination on the basis of race or ethnicity, religion, color, national origin, sex, age, sexual orientation, gender identity/expression, veteran’s status, status as a qualified person with a disability, or genetic information. Individuals from historically underrepresented groups, such as minorities, women, qualified person with disabilities, and protected veterans are strongly encouraged to apply.

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