Verified from career page · Posted 2w ago

CrowdStrike

Network Engineer III - Backbone (Hybrid, London)

CrowdStrike · Product Engineering

London

Mid-level

NetworkAnsibleAWSCI/CDDistributed systemsGCPGitJenkinsOracle CloudPuppetPython

Last seen 3h ago

Posted
2w ago

Posted on 8 September 2026

Workplace
Not specified

Work model not stated

Salary
Not disclosed

Salary range not shared by the company

Visa sponsorship
Not specified

Visa sponsorship details unknown

As a global leader in cybersecurity, CrowdStrike 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 CrowdStrike 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. CrowdStrikers 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 CrowdStrikers 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:

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

#LI-YA1

#LI-SN2

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

CrowdStrike is proud to be an 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.

CrowdStrike 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 or pregnancy-related medical conditions), sexual orientation, gender identity, marital or family status, veteran status, age, national origin, ancestry, physical disability (including HIV and AIDS), mental disability, medical condition, genetic information, membership or activity in a local human rights commission, status with regard to public assistance, or any other characteristic protected by law. We base all employment decisions--including recruitment, selection, training, compensation, benefits, discipline, promotions, transfers, lay-offs, return from lay-off, terminations 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.

About CrowdStrike

CrowdStrike's European roles lean remote-first — UK, Germany, Spain and Romania all show up as "remote" postings alongside a smaller in-office presence in London, Barcelona and Bucharest. Endpoint security at this scale means real infrastructure and detection engineering, not just sales engineering dressed up as tech.

Apply at CrowdStrike

Similar roles

  1. Software Engineering Manager, Identity Protection (Remote, ROU) CrowdStrike Product Engineering Bucharest SecurityAWSAzureDistributed systems +11 High-growth Not disclosed Visa: Not specified 3d ago
  2. Sr. Product Manager - Next-Gen SIEM (Hybrid) CrowdStrike Product Engineering London ProductSIEM / SOCDistributed systems High-growth Not disclosed Visa: Not specified 5d ago
  3. PRO members only Pro Remote
  4. PRO members only Pro Remote
  5. PRO members only Pro Remote
  6. Corporate Sales Engineer CrowdStrike Sales Reading Solutions & FieldDistributed systems High-growth Not disclosed Visa: Not specified 6d ago
4,184 more roles like this. Open the board →