Sr. Network Engineer - Data Center and Cloud; Hybrid

As a global leader in cybersecurity, Crowd Strike protects the people, processes and technologies that drive modern organizations. Since 2011, our mission hasn’t changed — we’re here to stop breaches, and we’ve redefined modern security with the world’s most advanced AI-native platform. We work on large scale distributed systems, processing almost 3 trillion events per day and this traffic is growing daily.

Our customers span all industries, and they count on Crowd Strike to keep their businesses running, their communities safe and their lives moving forward. We're proud to work for a mission-driven company leveraging AI to transform the way we work. Crowd Strikers drive their careers through flexibility and autonomy while also being expected to contribute to a culture of responsible AI adoption, experimentation, and innovation.

We use an AI-first mindset as a force multiplier to proactively and continuously accelerate execution, build expertise, uncover insights, and solve complex problems. We’re always looking to add talented Crowd Strikers to the team who have limitless passion, a relentless focus on innovation and a fanatical commitment to our customers, our community and each other. Ready to join a mission that matters?

The future of cybersecurity starts with you.

About the Role:

Crowd Strike is seeking a Senior Network Engineer to join our Data Center & Cloud Network Engineering team. You will be responsible for the design, implementation, and operation of Crowd Strike's global cloud and data center network infrastructure.

What You'll Do:

Translate business requirements into practical network design, reference architectures, design patterns, HLDs, design reviews, runbooks, POCs, FOAsDesign, operate, & implement global multi-vendor, multi-cloud, hybrid data center networks at scale while driving network performance & resiliency

Deploy and manage cloud constructs such as subnet allocations, routing-tables/associations, VPCs, VPC-peering/Private Link, Hub-spoke topologies, gateways, direct connects

Develop and maintain IaC (ansible, Terraform) and automation tooling throughout CI/CD pipeline (Python, Go) to provision networks at scale, while improving the efficiency and velocity of network deployments

Troubleshoot complex production issues and contribute to incident root-cause analysis

Participate in on-call rotations

Implement network solutions meeting regional compliance and data sovereignty requirements (ISO 27001, Cyber Essentials Plus, UK G-Cloud, EU data residency / GDPR, PCI-DSS)
What You Need:

Proven track record in driving agile cross-functional projects to completion independently with minimal supervision7+ years expert design & hands-on experience of IPv4/IPv6, Anycast, MP-BGP, OSPF/IS-IS, MPLS, EVPN/VxLAN, L3

VPN, CLOS, QoS, Load-balancing, MACsec, and IPsec5+ years practical multi-cloud networking experience deploying and supporting cloud connectivity at hyperscaler, CSP or security company

Extensive experience in deploying and maintaining large networks using version control, automation frameworks (ansible, Terraform, Chef) and scripts & templating (bash, python, go, jinja, YAML, JSON)​Proven experience utilizing AI technologies to enhance decision-making, streamline workflows and processes, improve efficiency and drive business outcomes.

Bonus Points:

CCIE/JNCIE, AWS/GCP/OCI/Azure (Professional) Certifications Hyperscaler/CSP background (AWS, GCP, MSFT, OCI or similar) Open Stack / SONiC / Whitebox, FRR, open source network infrastructure experience AI/GPU cluster networking fabrics (RDMA, RoCE, Infini Band)
UK Government, G-Cloud, or Sovereign cloud experience#LI-GO1#LI-HYBRID Benefits of Working at Crowd Strike:
Market leader in compensation and equity awards

Comprehensive…