Network Engineer- Cloud (Hybrid, London)

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.

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 and edge connectivity.

Additionally, 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 to 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 building and maintaining large‑scale backbone and complex data‑center network infrastructure.
• Expert level knowledge of large‑scale IP networking technologies and protocols such as MP‑BGP, OSPF, ISIS, VRF, Vx LAN, EVPN, Qo S, GRE, IPSEC, DNS, MACsec.
• Expertise in building and operating large‑scale networks using optical/DWDM, CDN, edge network security, DDo S mitigation, load balancing.
• Experience with cloud service providers such as AWS, GCP, OCI.
• Hands‑on experience with infrastructure‑as‑code using Python, Ansible, YAML, Netconf/YANG, Chef, Puppet.
• Understanding of Git workflows, CI/CD concepts and how they can be applied to network automation and testing frameworks.
• Experience building end‑to‑end pipelines with CI tools such as Jenkins.
• Proficient with networking vendors such as Arista, Palo Alto, Juniper, Avaya, 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, Saa S, or cloud operations companies.
• Experience building and supporting optical infrastructure such as Infinera, Ciena, Nokia.
• Proficiency with Excel and other modeling systems.
• Ability to communicate technical detail into succinct, 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.

Benefits of Working at Crowd Strike

• Market leader in compensation and equity awards.
• Comprehensive physical and mental wellness programs.
• Competitive vacation and holidays for recharge.
• Paid parental and adoption leave.
• 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.
• Employment Eligibility

Crowd Strike is a proud equal‑opportunity employer.

We are committed to fostering a culture of belonging where everyone is valued for who they are and empowered to succeed.

We support veterans and individuals with disabilities through our affirmative action program.

Crowd Strike is committed to providing equal employment opportunity for all employees and applicants for employment.

The Company does not discriminate in employment opportunities or practices on the basis of race, color, creed, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity, marital or family status, veteran status, age, national origin, ancestry, disability, mental health, genetic information, or other protected characteristics.

We base all employment decisions—including recruitment, selection, training, compensation, benefits, discipline, promotions, transfers, layoffs, return from lay‑off, termination and social/recreational programs—on valid job requirements.

If you need assistance accessing or reviewing the information on this website or need help submitting an application for employment or requesting an accommodation, please contact us at recruiting@crowdstrike. com for further assistance.

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