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YubHub-native raw fields carry `x-` prefix.","jobs":[{"@context":"https://schema.org","@type":"JobPosting","identifier":{"@type":"PropertyValue","name":"YubHub","value":"job_a14533c3-732"},"title":"Senior Engineer, Cilium CNI & Cloud Networking","description":"<p>Network Services Team</p>\n<p>The Network Services team builds and operates the foundational networking that powers CoreWeave&#39;s Kubernetes platforms at cloud scale. The team is responsible for container networking, connectivity, and network services that support large-scale, GPU-driven workloads across regions and environments. They focus on scalability, reliability, security, and performance while delivering intuitive platforms for internal teams and customers.</p>\n<p>About the Role</p>\n<p>As a Senior Engineer focused on our Cilium-based CNI, you will design, build, and operate the container networking layer that underpins CoreWeave&#39;s Kubernetes platforms. Day to day, you will work on evolving our CNI stack to support large, high-density GPU clusters with demanding throughput and latency requirements. You will partner closely with Kubernetes, Infrastructure, and Network Services engineers to ensure the platform is highly available, observable, and secure. This role spans architecture, implementation, and operations, with ownership from prototype through production. You will also help shape how our networking platform scales for future growth.</p>\n<p>Who You Are</p>\n<ul>\n<li>5+ years of experience as a Software Engineer or Systems Engineer working on cloud infrastructure or large-scale distributed systems.</li>\n<li>Hands-on production experience with Cilium CNI (or equivalent advanced CNIs), including cluster configuration and lifecycle management.</li>\n<li>Strong understanding of Cilium&#39;s eBPF datapath, policy model, and load-balancing mechanisms.</li>\n<li>Deep knowledge of cloud networking concepts, including VPCs, subnets, routing, security groups/ACLs, NAT, and ingress/egress architectures.</li>\n<li>Experience designing multi-tenant network architectures with strong isolation and security.</li>\n<li>Solid grounding in TCP/IP, dynamic routing (e.g., BGP), ECMP, MTU/fragmentation, and overlay/underlay networking (VXLAN, Geneve, encapsulation).</li>\n<li>Experience with network observability and troubleshooting across L3–L7.</li>\n<li>Proficiency in at least one systems language such as Golang or C/C++.</li>\n<li>Experience working in modern CI/CD environments.</li>\n<li>Experience operating Kubernetes at scale, including cluster lifecycle management and debugging networking issues across pods, nodes, and external services.</li>\n<li>Demonstrated ownership of complex systems end-to-end.</li>\n</ul>\n<p>Preferred</p>\n<ul>\n<li>Experience operating cloud-scale network services across tens of thousands of nodes and multiple regions.</li>\n<li>Contributions to Cilium, Kubernetes, or related open-source networking projects.</li>\n<li>Experience with eBPF development and performance tuning.</li>\n<li>Experience building Kubernetes operators or controllers.</li>\n<li>Familiarity with service meshes, multi-cluster networking, or cluster mesh solutions.</li>\n<li>Experience in GPU-heavy, HPC, or other performance-sensitive environments.</li>\n</ul>\n<p>Wondering if you’re a good fit?</p>\n<p>We believe in investing in our people and value candidates who bring diverse experiences , even if you’re not a 100% match on paper. If some of this sounds like you, we’d love to talk.</p>\n<ul>\n<li>You love solving complex distributed systems and networking challenges at scale.</li>\n<li>You’re curious about cloud-native networking, eBPF, and Kubernetes internals.</li>\n<li>You’re an expert in building reliable, scalable infrastructure that runs in production.</li>\n</ul>\n<p>Why CoreWeave?</p>\n<p>At CoreWeave, we work hard, have fun, and move fast! We’re in an exciting stage of hyper-growth that you will not want to miss out on. We’re not afraid of a little chaos, and we’re constantly learning. Our team cares deeply about how we build our product and how we work together, which is represented through our core values:</p>\n<ul>\n<li>Be Curious at Your Core</li>\n<li>Act Like an Owner</li>\n<li>Empower Employees</li>\n<li>Deliver Best-in-Class Client Experiences</li>\n<li>Achieve More Together</li>\n</ul>\n<p>The base salary range for this role is $165,000 to $242,000. The starting salary will be determined based on job-related knowledge, skills, experience, and market location. We strive for both market alignment and internal equity when determining compensation. In addition to base salary, our total rewards package includes a discretionary bonus, equity awards, and a comprehensive benefits program (all based on eligibility).</p>\n<p>What We Offer</p>\n<p>The range we’ve posted represents the typical compensation range for this role. To determine actual compensation, we review the market rate for each candidate which can include a variety of factors. These include qualifications, experience, interview performance, and location. In addition to a competitive salary, we offer a variety of benefits to support your needs, including:</p>\n<ul>\n<li>Medical, dental, and vision insurance</li>\n<li>100% paid for by CoreWeave</li>\n<li>Company-paid Life Insurance</li>\n<li>Voluntary supplemental life insurance</li>\n<li>Short and long-term disability insurance</li>\n<li>Flexible Spending Account</li>\n<li>Health Savings Account</li>\n<li>Tuition Reimbursement</li>\n<li>Ability to Participate in Employee Stock Purchase Program (ESPP)</li>\n<li>Mental Wellness Benefits through Spring Health</li>\n<li>Family-Forming support provided by Carrot</li>\n<li>Paid Parental Leave</li>\n<li>Flexible, full-service childcare support with Kinside</li>\n<li>401(k) with a generous employer match</li>\n<li>Flexible PTO</li>\n<li>Catered lunch each day in our office and data center locations</li>\n<li>A casual work environment</li>\n<li>A work culture focused on innovative disruption</li>\n</ul>\n<p>Our Workplace</p>\n<p>While we prioritize a hybrid work environment, remote work may be considered for candidates located more than 30 miles from an office, based on role requirements for specialized skill sets. New hires will be invited to attend onboarding at one of our hubs within their first month. Teams also gather quarterly to support collaboration.</p>\n<p>California Consumer Privacy Act - California applicants only</p>\n<p>CoreWeave is an equal opportunity employer, committed to fostering an inclusive and supportive workplace. All qualified applicants and candidates will receive consideration for employment without regard to race, color, religion, sex, disability, age, sexual orientation, gender identity, national origin, veteran status, or genetic information. As part of this commitment and consistent with the Americans with Disabilities Act (ADA), CoreWeave will ensure that qualified applicants and candidates with disabilities are provided reasonable accommodations for the hiring process, unless such accommodation would cause an undue hardship. If reasonable accommodation is needed, please contact: careers@coreweave.com.</p>\n<p>Export Control Compliance</p>\n<p>This position requires access to export controlled information. To conform to U.S. Government export regulations applicable to that information, applicant must either be (A) a U.S. person, defined as a (i) U.S. citizen or national, (ii) U.S. lawful permanent resident (green card holder), (iii) refugee under 8 U.S.C. § 1157, or (iv) asylee under 8 U.S.C. § 1158, (B) eligible to access the export controlled information without a required export authorization, or (C) eligible and reasonably likely to obtain the required export authorization from the applicable U.S. government agency. 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As a Solutions Engineer, you will be part of the Pre-Sales Solution Engineering organisation, owning the technical sale of the Cloudflare solution portfolio. You will work closely with our customers and partners to educate, empower, and ensure their success delivering Cloudflare security, reliability, and performance solutions.</p>\n<p>Your role will be to build champions and enable technical teams alongside our Benelux sales organisation to drive pipeline and close deals. As the technical advocate inside Cloudflare, you will work closely with teams across Sales, Product, Engineering, Customer Support and our channel partners to ensure our customers succeed with Cloudflare security, reliability, and performance solutions.</p>\n<p>We are looking for someone with strong experience in pre-sales, partner and account management, and excellent verbal and written communication skills in Dutch and English, suited for both technical and executive-level engagement. You should be comfortable speaking about the Cloudflare vision with all audiences.</p>\n<p>Specifically, we are looking for you to:</p>\n<ul>\n<li>Build and maintain long-term technical relationships with prospects, customers and ecosystem organisations across Benelux through demonstrating value, enablement, and uncovering new areas of potential revenue</li>\n<li>Drive technical solution design conversations through use case qualification and collaborative technical wins through demonstrations and proofs-of-concept</li>\n<li>Develop passionate technical champions within the technology ranks of your accounts, helping them drive sales for identified opportunities and build revenue pipeline</li>\n<li>Evangelize and represent Cloudflare through technical thought leadership and expertise</li>\n<li>Be the voice of the market internally at Cloudflare, engaging with and influencing Product and Engineering teams to meet the needs of your accounts and their customers</li>\n</ul>\n<p>You will travel requirement in the Benelux to support engagements, attend conferences and industry events, and collaborate with Cloudflare teammates.</p>\n<p>Examples of desirable skills, knowledge and experience include:</p>\n<ul>\n<li>Fluency in Dutch and English (verbal and written)</li>\n<li>Ability to communicate complex technical concepts to both technical and non-technical audiences, including C-level stakeholders</li>\n<li>Strong presentation and storytelling skills (whiteboarding, demos, executive briefings)</li>\n<li>Experience managing technical sales cycles end-to-end</li>\n<li>Ability to articulate business value and ROI of technical solutions, not just features</li>\n<li>Experience working within an integrated account team (alongside Account Executives, Customer Success, BDRs, and channel partners)</li>\n<li>Networking technologies including TCP/IP, UDP, DNS (authoritative and recursive, DNSSEC), IPv4/IPv6, BGP routing, Autonomous Systems, subnetting</li>\n<li>Tunneling and connectivity: GRE, IPsec, MPLS, SDWAN</li>\n<li>Cloud networking concepts: VPCs, peering, interconnect</li>\n<li>DDoS attack types (L3/L4/L7) and mitigation strategies</li>\n<li>Web Application Firewall (WAF) rule configuration and tuning</li>\n<li>VPN concepts and their limitations relative to Zero Trust approaches</li>\n<li>API security: API Gateway, rate limiting, schema validation, abuse prevention</li>\n<li>Bot management concepts and detection techniques</li>\n<li>SASE concepts and Zero Trust Networking architectures (ZTNA, CASB, SWG, DLP, RBI as integrated platform)</li>\n<li>Zero Trust Network Access (ZTNA) vs. traditional VPN architecture</li>\n<li>HTTP technologies and reverse proxy architecture: WAF, CDN, caching mechanics</li>\n<li>Detailed understanding of the flow from user to application, including hybrid cloud architectures</li>\n<li>Working knowledge of major cloud platforms: AWS, Azure, GCP (architecture patterns, native security tooling, VPC/peering models)</li>\n<li>Familiarity with Infrastructure-as-Code concepts (e.g. Terraform)</li>\n<li>Cloudflare Workers and the edge compute model (JavaScript/TypeScript)</li>\n<li>Familiarity with related primitives: KV, Object storage, serverless compute</li>\n<li>Familiarity with the competitive landscape across Cloudflare&#39;s product areas</li>\n<li>Understanding of why customers move from on-premises appliances to cloud-delivered security</li>\n<li>Awareness of relevant industry verticals: Financial Services, eCommerce, Gaming, Media, SaaS, Healthcare</li>\n</ul>\n<p>We value intellectual curiosity, adaptability, and a collaborative spirit. On the Solutions Engineering team, you will find an environment where everyone brings different strengths and jumps in to help each other. If you are passionate about technology and look forward to helping customers and ecosystem organisations realise the full promise of Cloudflare, we&#39;d love to hear from you.</p>\n<p>What makes Cloudflare special? We’re not just a highly ambitious, large-scale technology company. We’re a highly ambitious, large-scale technology company with a soul. Fundamental to our mission to help build a better Internet is protecting the free and open Internet. Project Galileo: Since 2014, we&#39;ve equipped more than 2,400 journalism and civil society organizations in 111 countries with powerful tools to defend</p>\n<p style=\"margin-top:24px;font-size:13px;color:#666;\">XML job scraping automation by <a href=\"https://yubhub.co\">YubHub</a></p>","url":"https://yubhub.co/jobs/job_8a144188-686","directApply":true,"hiringOrganization":{"@type":"Organization","name":"Cloudflare","sameAs":"https://www.cloudflare.com/","logo":"https://logos.yubhub.co/cloudflare.com.png"},"x-apply-url":"https://job-boards.greenhouse.io/cloudflare/jobs/7742347","x-work-arrangement":"hybrid","x-experience-level":"senior","x-job-type":"full-time","x-salary-range":null,"x-skills-required":["Networking technologies including TCP/IP, UDP, DNS (authoritative and recursive, DNSSEC), IPv4/IPv6, BGP routing, Autonomous Systems, subnetting","Tunneling and connectivity: GRE, IPsec, MPLS, SDWAN","Cloud networking concepts: VPCs, peering, interconnect","DDoS attack types (L3/L4/L7) and mitigation strategies","Web Application Firewall (WAF) rule configuration and tuning","VPN concepts and their limitations relative to Zero Trust approaches","API security: API Gateway, rate limiting, schema validation, abuse prevention","Bot management concepts and detection techniques","SASE concepts and Zero Trust Networking architectures (ZTNA, CASB, SWG, DLP, RBI as integrated platform)","Zero Trust Network Access (ZTNA) vs. traditional VPN architecture","HTTP technologies and reverse proxy architecture: WAF, CDN, caching mechanics","Detailed understanding of the flow from user to application, including hybrid cloud architectures","Working knowledge of major cloud platforms: AWS, Azure, GCP (architecture patterns, native security tooling, VPC/peering models)","Familiarity with Infrastructure-as-Code concepts (e.g. Terraform)","Cloudflare Workers and the edge compute model (JavaScript/TypeScript)","Familiarity with related primitives: KV, Object storage, serverless compute","Familiarity with the competitive landscape across Cloudflare's product areas","Understanding of why customers move from on-premises appliances to cloud-delivered security","Awareness of relevant industry verticals: Financial Services, eCommerce, Gaming, Media, SaaS, Healthcare"],"x-skills-preferred":[],"datePosted":"2026-04-18T15:46:26.177Z","jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Hybrid"}},"employmentType":"FULL_TIME","occupationalCategory":"Engineering","industry":"Technology","skills":"Networking technologies including TCP/IP, UDP, DNS (authoritative and recursive, DNSSEC), IPv4/IPv6, BGP routing, Autonomous Systems, subnetting, Tunneling and connectivity: GRE, IPsec, MPLS, SDWAN, Cloud networking concepts: VPCs, peering, interconnect, DDoS attack types (L3/L4/L7) and mitigation strategies, Web Application Firewall (WAF) rule configuration and tuning, VPN concepts and their limitations relative to Zero Trust approaches, API security: API Gateway, rate limiting, schema validation, abuse prevention, Bot management concepts and detection techniques, SASE concepts and Zero Trust Networking architectures (ZTNA, CASB, SWG, DLP, RBI as integrated platform), Zero Trust Network Access (ZTNA) vs. traditional VPN architecture, HTTP technologies and reverse proxy architecture: WAF, CDN, caching mechanics, Detailed understanding of the flow from user to application, including hybrid cloud architectures, Working knowledge of major cloud platforms: AWS, Azure, GCP (architecture patterns, native security tooling, VPC/peering models), Familiarity with Infrastructure-as-Code concepts (e.g. Terraform), Cloudflare Workers and the edge compute model (JavaScript/TypeScript), Familiarity with related primitives: KV, Object storage, serverless compute, Familiarity with the competitive landscape across Cloudflare's product areas, Understanding of why customers move from on-premises appliances to cloud-delivered security, Awareness of relevant industry verticals: Financial Services, eCommerce, Gaming, Media, SaaS, Healthcare"}]}