CrowdStrike

Network Engineer III - Backbone (Hybrid, London)

In short

CrowdStrike is hiring a Network Engineer to build and maintain its hyper-scale hybrid cloud backbone network in London, working hybrid with on-call 24x7 rotation. The role requires 5+ years building large-scale backbone/data center networks, expert-level IP networking (BGP, OSPF, ISIS, VxLAN, EVPN) and optical/DWDM technologies, plus experience across AWS, GCP, OCI and infrastructure-as-code tools. This is a senior, hands-on technical leadership role within a global cybersecurity platform handling nearly 3 trillion events per day.

About the Role
CrowdStrike 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, MACsec
•Expert 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, OCI
•Hands-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 updates, and producing high-quality work products
•Ability to use independent judgment to make sound, justifiable decisions and take action to solve problems
•Strong leadership skills with demonstrated ability to prioritize and execute in a methodical and disciplined manner
•Ability to plan, organize and prioritize work independently and meet deadlines
•Ability to work in a collaborative, team environment
Benefits of Working at CrowdStrike
•Market leader in compensation and equity awards
•Comprehensive physical and mental wellness programs
•Competitive vacation and holidays for recharge
•Paid parental and adoption leaves
•Professional development opportunities for all employees regardless of level or role
•Employee Networks, geographic neighborhood groups, and volunteer opportunities to build connections
•Vibrant office culture with world class amenities
•Great Place to Work Certified™ across the globe

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