CrowdStrike Logo

CrowdStrike

Sr. Network Engineer - Data Center and Cloud (Hybrid, London)

Posted 2 Hours Ago
Be an Early Applicant
Hybrid
London, Greater London, England, GBR
Senior level
Hybrid
London, Greater London, England, GBR
Senior level
Design, implement, operate, and troubleshoot CrowdStrike’s global multi-vendor, multi-cloud, hybrid data center networks. Build cloud connectivity and network constructs, develop infrastructure-as-code and automation using Ansible, Terraform, Python, and Go, improve resilience and deployment efficiency, support incident analysis and on-call rotations, and ensure compliance with regional data sovereignty and security requirements.
The summary above was generated by AI

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 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 CrowdStrike'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, FOAs

  • Design, 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/PrivateLink, 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 supervision

  • 7+ years expert design & hands-on experience of IPv4/IPv6, Anycast, MP-BGP, OSPF/IS-IS, MPLS, EVPN/VxLAN, L3VPN, CLOS, QoS, Load-balancing, MACsec, and IPsec

  • 5+ 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) 

  • OpenStack / SONiC / Whitebox, FRR, open source network infrastructure experience

  • AI/GPU cluster networking fabrics (RDMA, RoCE, InfiniBand)

  • UK Government, G-Cloud, or Sovereign cloud experience

#LI-GO1


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 [email protected] for further assistance.


Similar Jobs at CrowdStrike

Expert/Leader
Cloud • Computer Vision • Information Technology • Sales • Security • Cybersecurity
Develops technically rigorous cybersecurity sales curricula, labs, assessments, and enablement content for internal and partner Sales Engineers. Serves as a cybersecurity and AI subject matter expert, incorporates cloud and IT infrastructure architecture, monitors threats and product updates, and delivers instructor-led training. Enables effective technical demonstrations, Proof of Value engagements, and value-based sales motions across European and global audiences.
Top Skills: AICloud SecurityComputeCrowdstrike FalconCybersecurityEdr/XdrIdentity SecurityMeddicMeddpiccNetworkingSaaSSiem/SoarSocThreat Intelligence
3 Days Ago
Remote or Hybrid
United Kingdom
Senior level
Senior level
Cloud • Computer Vision • Information Technology • Sales • Security • Cybersecurity
Maintain and enhance a Python-based domain-specific language compiler and detection tooling. Design language and compiler features, resolve cross-platform integration issues, develop end-to-end tests, improve performance and user experience, gather user feedback, and shape tooling architecture and roadmap. Collaborate with distributed engineering teams and contribute to system design decisions. Security industry experience is not required, but strong software engineering, algorithms, architecture, communication, and compiler interest are expected.
Top Skills: AgdaCC++Compiler ToolingDistributed SystemsDomain-Specific LanguagesEvent Processing SystemsMessage Passing LanguagesPythonRustSwiftTla+
8 Days Ago
Hybrid
London, Greater London, England, GBR
Entry level
Entry level
Cloud • Computer Vision • Information Technology • Sales • Security • Cybersecurity
Own and maintain user-centered product documentation for LogScale’s data ingestion, egress, and deployment automation. Translate complex distributed-system concepts into clear, structured, reusable content across channels. Collaborate with engineers, architects, and product managers; uphold documentation quality and consistency; improve authoring workflows and automation; and use generative AI to enhance content production and efficiency.
Top Skills: BashDitaDocbookGitGraphQLMercurialRestSaaSXsltZsh

What you need to know about the London Tech Scene

London isn't just a hub for established businesses; it's also a nursery for innovation. Boasting one of the most recognized fintech ecosystems in Europe, attracting billions in investments each year, London's success has made it a go-to destination for startups looking to make their mark. Top U.K. companies like Hoptin, Moneybox and Marshmallow have already made the city their base — yet fintech is just the beginning. From healthtech to renewable energy to cybersecurity and beyond, the city's startups are breaking new ground across a range of industries.

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account