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Cerebras

Network Security Engineer

Hybrid

Part remote, part office, you need to live within commuting distance of a named location.

Hybrid · Sunnyvale, CA

Employer listed it 2 weeks ago · Added yesterday

Been open since 2 weeks ago, still being checked, but it has been live a while.

Salary

Not stated

Location

Hybrid · Sunnyvale, CA

Timezone

Not stated

Contract

Full-time

Experience

Senior

Category

Software

This employer didn't state pay. Jobs like this usually pay around $175k–$230k a year, a typical range taken from 595 senior-level software roles on Nomaders that do state pay. It's a guide, not an offer.

Remote flexibility

Hybrid

This role is only partly remote, the employer expects time in the office around Sunnyvale, CA, Hybrid, so you need to live within commuting distance.

What the employer says

  • Source listing states candidate location: "Sunnyvale, CA, Hybrid"
  • Listing mentions "Hybrid"

What Nomaders makes of it

  • Not suitable if you plan to move between countries

The quotes above are the employer's own words; the reading is ours. Always check the original listing and employment terms before working from another country.

About the role

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.

Cerebras is seeking a Network Security Engineer to build, operate, and secure the network infrastructure supporting our data centers, cloud environments, corporate network, and AI systems.

This is a hands-on individual contributor role based in Sunnyvale, CA , with regular on-site work in our data centers. You will work across network security and network operations, supporting firewalls, segmentation, routing and switching, network access, and automation.

Responsibilities

Operate firewalls, ACLs, segmentation, and network security controls across data center, corporate, and AWS environments.

Support hands-on data center network operations, including deployment, configuration, troubleshooting, maintenance, and lifecycle management.

Implement and maintain segmentation, firewall, and ACL policies across corporate, compute, customer, and infrastructure environments.

Manage inbound and outbound network controls, including public exposure, NAT, load balancers, DNS filtering, proxies, and egress policies.

Implement and operate VPN, ZTNA, NAC, Wi-Fi, and vendor or partner connectivity.

Perform recurring firewall rule reviews, segmentation audits, and remediation of unnecessary network exposure.

Automate network and security workflows using Terraform, Ansible, GitOps, Python, and policy as code.

Support network telemetry, detection, investigation, and containment in partnership with Security Operations.

Troubleshoot routing, switching, TCP/IP, DNS, TLS, and cloud networking issues.

Maintain network architecture documentation, procedures, and runbooks.

Skills and Qualifications

7+ years of experience in network security, network engineering, cloud security, or infrastructure security.

Strong hands-on experience with firewalls, ACLs, segmentation, routing, switching, VPNs, and network troubleshooting.

Experience operating data center and on-premises network infrastructure.

Experience with AWS networking, including VPCs, transit gateways, security groups, and load balancers.

Experience with Palo Alto, Juniper, Cloudflare, or similar platforms.

Proficiency with Terraform, Ansible, Python, GitOps, or similar automation tools.

Strong understanding of ZTNA, NAC, egress controls, TCP/IP, DNS, and TLS.

Strong written communication and documentation skills.

Ability to work regularly on-site in Sunnyvale, CA and perform hands-on work in data center environments.

Requirements

  • ·7+ years of experience in network security, network engineering, cloud security, or infrastructure security.
  • ·Strong hands-on experience with firewalls, ACLs, segmentation, routing, switching, VPNs, and network troubleshooting.
  • ·Experience operating data center and on-premises network infrastructure.
  • ·Experience with AWS networking, including VPCs, transit gateways, security groups, and load balancers.
  • ·Experience with Palo Alto, Juniper, Cloudflare, or similar platforms.

Benefits

No benefits package published with this listing. Ask about it at first interview.

How to apply

  1. 1Check the flexibility label above, hybrid, matches where you plan to live and work.
  2. 2Tailor your CV to the role at Cerebras, mentioning your remote working experience.
  3. 3Apply directly on the employer's careers page using the button below. Nomaders never handles your application.

Found 1d ago. Last checked today. Always confirm the details on the original posting, salary and location can change after publication.

Listing sourced from Company boards.

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