Network Engineer III - Backbone; Hybrid

Position: Network Engineer III - Backbone (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 looking for a Network Engineer
- Cloud (Hybrid, London) who has a solid track record of building and operating hyper-scale hybrid cloud networks. In this role, you will build and maintain the production backbone network as well as services across multiple cloud service providers. You will develop and support both the IP and Optical technologies that connect our data centers as well as edge connectivity. In addition, you will own major improvement initiatives from ideation to implementation, including funding, planning and operational support.

What You’ll Do:

Build and maintain a high-performance and fault-tolerant production network at-scale

Analyze requirements and develop solutions of technical problems based on complex business needs

Hold regular, frequent project meetings to address challenges and drive milestones

Represent the network team as a technical leader and provide direction and insight for projects, discovery, and problem management

Improve the reliability and efficiency of network operations and practices

Drive capacity planning, forecasting, and create plans for growth

Evaluate technologies for scale, security, and maintainability

Support the development, testing and integration of new hardware and software platforms.

Participate in 24x7 on-call rotation

What You’ll Need:

5+ years of experience in building and maintaining large scale, backbone and complex data center network infrastructure

Expert level knowledge in large scale IP networking technologies and protocols such as: MP-BGP, OSPF, ISIS, VRF, VxLAN, EVPN, QoS, GRE, IP SEC, DNS, MACsecExpert in building and operating large scale networks using technologies, such as optical/DWDM, CDN, edge network security, DDoS mitigation, load balancing

Experience building solutions in cloud service providers such as AWS, GCP, OCIHands-on experience with infrastructure-as-code using tools such as Python, Ansible, YAML, or Netconf/YANG, Chef, Puppet Understanding of Git workflows, CI/CD concepts and how they can be applied to network automation and a testing framework

Experience in building end to end pipelines with CI tools such as Jenkins Proficient with various networking vendors such as Arista, Palo Alto, Juniper, Adva, Nokia, Cisco, HP, etc Proven experience utilizing AI technologies to enhance decision-making, streamline workflows and processes, improve efficiency and drive business outcomes.

Bonus Points:

Work experience in data center, telecom, SaaS, or cloud operations companies.

Experience with building and supporting optical infrastructure such as Infinera, Ciena, Nokia.

Proficiency with excel, and other modeling systems.

Ability to communicate technical detail into succinct and fact-based business terminology, both verbally and in writing.

Customer-focused mindset, with demonstrated skill in managing expectations, providing proactive status…