Senior WAN Network Engineer

Cerebras Systems, Inc.; Sunnyvale (CA); On-site; USD 100,000 - 130,000; Full time

Benefits offered by this job

Equity opportunities

Open-source research publications

Job stability

Non-corporate work culture

Job summary

Cerebras Systems, Inc. in Sunnyvale, California is seeking a highly skilled WAN Network Engineer to design and optimize global connectivity. The ideal candidate will possess 6+ years of experience in WAN network engineering, strong expertise in BGP protocols, and proficiency in network automation tools like Python and Ansible.

This position offers the opportunity to work on the world's largest AI chip project, contributing to transformative AI applications and operating within a supportive, inclusive work culture.

Qualifications

• Strong experience with carrier networks, routing protocols, and network security.
• 6+ years of experience in WAN network engineering or service provider networks.
• Industry certifications like CCIE or JNCIE are preferred.

Responsibilities

• Design, deploy, and maintain WAN network for high availability.
• Collaborate with telecom providers for circuit provisioning.
• Configure and troubleshoot routing protocols and implements redundancy.

Skills

BGP routing protocols

WAN technologies

Network automation tools

Troubleshooting and analytical skills

Great communication skills

Education

Bachelor’s degree in Computer Science, Electrical Engineering, or Computer Engineering

Master’s degree (preferred)

Tools

Python

Ansible

Terraform

SolarWinds

Kentik

ThousandEyes

Job description

Cerebras Systems builds the world's largest AI chip, 56 times larger than GPUs. This architecture allows Cerebras to deliver industry-leading training and inference speeds; over 10 times faster than GPU-based hyperscale cloud inference services.

This order of magnitude increase in speed is transforming the user experience of AI applications, unlocking real-time iteration and increasing intelligence via additional agentic computation.

Cerebras works with the leading model labs, global enterprises, and cutting-edge AI-native startups. OpenAI recently announced a multi-year partnership with Cerebras, to deploy 750 megawatts of scale, transforming key workloads with ultra high-speed inference.

About The Role

We are seeking a highly skilled WAN Network Engineer to design, implement, manage, and optimize global connectivity. The ideal candidate will have strong experience with carrier networks, routing protocols, and network security, and will play a critical role in ensuring high availability, performance, and reliability of global network services.

Responsibilities

• Design, deploy, and maintain WAN network across leased lines and dark fiber for low latency and 99.999% availability.

• Collaborate with telecom providers and ISPs for circuit provisioning, upgrades, and issue resolution.

• Configure, troubleshoot, and optimize security and routing protocols (IPSec Tunnels, MACsec, BGP, VXLAN, EVPN).

• Monitor WAN performance, latency, packet loss, capacity utilization. Analyze traffic patterns to predict growth and trigger circuit upgrades or hardware refreshes before bottlenecks occur.

• Implement redundancy, failover, QoS, and traffic engineering to ensure business continuity.

• Participate in network modernization and cloud connectivity projects (AWS, Azure, GCP).

• Provide Tier 3 support for WAN-related incidents and root cause analysis.

• Develop and maintain network documentation, diagrams, and standard operating procedures.

• Use Python, Ansible, or Terraform to deploy configurations and manage network state at scale.

• Support network security initiatives including site-to-site VPNs and perimeter connectivity. Ensure compliance with security, governance, and operational best practices.

Requirements

• Bachelor’s degree in Computer Science, Electrical Engineering, or Computer Engineering. Master’s degree is preferred.

• 6+ years of experience in WAN network engineering, or Service Provider network, or Hyper-scale Data Center environment.

• Industry certifications such as CCIE or JNCIE. Strong knowledge of BGP routing protocols and WAN technologies.

• Experience with major network vendors such as Arista, Cisco, Juniper, or Palo Alto.

• Strong troubleshooting and analytical skills, and excellent communication and documentation skills.

• Experience with cloud networking and hybrid network architectures.

• Expertise with network automation tools (Python, Ansible, Terraform).

• Knowledge of network monitoring tools (SolarWinds, Kentik, ThousandEyes, or similar).

• Ability to participate in on-call rotation and after-hours maintenance.

Why Join Cerebras

1. Build a breakthrough AI platform beyond the constraints of the GPU.

2. Publish and open source their cutting-edge AI research.

3. Work on one of the fastest AI supercomputers in the world.

4. Enjoy job stability with startup vitality.

5. Our simple, non-corporate work culture that respects individual beliefs.

Cerebras Systems is committed to creating an equal and diverse environment and is proud to be an equal opportunity employer. We celebrate different backgrounds, perspectives, and skills. We believe inclusive teams build better products and companies. We try every day to build a work environment that empowers people to do their best work through continuous learning, growth and support of those around us.

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