Senior Infrastructure Engineer (OpenStack Neutron Specialist)

<div id="root"> <div class="c-hSUqwg"> <div class="c-jeBqXI"> <div class="c-lmbhqc"> <div class="c-iGHgRe"> <div class="c-DYMMq"> <div class="c-gWksab"> <div class="c-dNpQPL"> <div class="c-djxyJq"> <div class="c-zzVNh"> <div class="c-fIKlkr"> <div class="c-bpcsFd c-bpcsFd-cwQdfc-variant-onBase c-bpcsFd-duALEh-size-large"> <div class="c-labhtg c-labhtg-eNBDHw-size-large">&nbsp;</div> </div> </div> </div> </div> </div> <div class="c-hNbsSD c-cWEeNJ"> <div class="c-eNThpO c-eNThpO-fxrEBZ-loading-false"> <div id="jp-scroll-container" class="c-jMYKQU"> <div class="c-iCfiET"> <div class="c-dfQsKw" data-placeholder="Title here" data-lexical-editor="true">&nbsp;</div> <div> <div class="c-gxjFMi" data-lexical-editor="true"> <h2><span data-lexical-text="true">About Nscale</span></h2> <p><span data-lexical-text="true">Nscale is the GPU cloud engineered for AI. We provide cost-effective, high-performance infrastructure for AI start-ups and large enterprise customers. Nscale enables AI-focused companies to achieve superior results by reducing the complexity of AI development. Our GPU cloud bolsters technical capabilities and directly supports strategic business outcomes, including cost management, rapid innovation, and environmental responsibility.</span></p> <p><span data-lexical-text="true">We thrive on a culture of relentless innovation, ownership, and accountability, where every team member takes pride in their work and drives it with excellence and urgency. As an Nscaler, you’ll build trust through openness and transparency, where everyone is inspired to do their best work. If you join our team, you’ll be contributing to building the technology that powers the future.</span></p> <h2><span data-lexical-text="true">About the Role</span></h2> <p><span data-lexical-text="true">We’re hiring an </span><strong class="textBold" data-lexical-text="true">Infrastructure Engineer (OpenStack Neutron Specialist)</strong><span data-lexical-text="true"> to own and evolve the OpenStack networking layer that underpins Nscale’s internal and customer-facing cloud services.</span></p> <p><span data-lexical-text="true">This role sits within the </span><strong class="textBold" data-lexical-text="true">Infrastructure Engineering</strong><span data-lexical-text="true"> team, which is responsible for the design, implementation, operation, and continuous improvement of the infrastructure stack. You’ll work closely with </span><strong class="textBold" data-lexical-text="true">compute, storage, platform engineering, support, architecture, and pre-sales</strong><span data-lexical-text="true"> teams, serving as a deep subject matter expert across Neutron and associated networking technologies including </span><strong class="textBold" data-lexical-text="true">OVN, Open vSwitch, routing, DHCP, metadata services, tenant isolation, and network automation</strong><span data-lexical-text="true">.</span></p> <p><span data-lexical-text="true">This is a high-impact role at the heart of Nscale’s cloud platform. You’ll help ensure the </span><strong class="textBold" data-lexical-text="true">availability, scalability, performance, and security</strong><span data-lexical-text="true"> of the networking layer, act as a </span><strong class="textBold" data-lexical-text="true">3rd/4th line escalation point</strong><span data-lexical-text="true"> for complex issues, and represent real-world operational needs in the </span><strong class="textBold" data-lexical-text="true">upstream OpenStack community</strong><span data-lexical-text="true"> to help shape the future of Neutron and related projects.</span></p> <h2><span data-lexical-text="true">What you'll be doing</span></h2> <p><strong class="textBold" data-lexical-text="true">OpenStack Networking Ownership</strong></p> <ul> <li value="1"><strong class="textBold" data-lexical-text="true">Design</strong><span data-lexical-text="true"> scalable, resilient, and secure OpenStack networking platforms with a strong focus on </span><strong class="textBold" data-lexical-text="true">Neutron</strong><span data-lexical-text="true"> and </span><strong class="textBold" data-lexical-text="true">OVN/OVS</strong><span data-lexical-text="true">.</span></li> <li value="2"><strong class="textBold" data-lexical-text="true">Own</strong><span data-lexical-text="true"> the architecture and day-to-day operation of virtual networking services, including </span><strong class="textBold" data-lexical-text="true">L2/L3 networking, DHCP, metadata, floating IP, NAT, security groups, and tenant segmentation</strong><span data-lexical-text="true">.</span></li> <li value="3"><strong class="textBold" data-lexical-text="true">Ensure</strong><span data-lexical-text="true"> OpenStack networking platforms adhere to </span><strong class="textBold" data-lexical-text="true">security, compliance, and operational standards</strong><span data-lexical-text="true">.</span></li> <li value="4"><strong class="textBold" data-lexical-text="true">Support</strong><span data-lexical-text="true"> upgrades, lifecycle management, and change execution across OpenStack networking services with a strong focus on service continuity.</span></li> </ul> <p><strong class="textBold" data-lexical-text="true">Troubleshooting and Operational Excellence</strong></p> <ul> <li value="1"><strong class="textBold" data-lexical-text="true">Troubleshoot</strong><span data-lexical-text="true"> complex control plane and data plane issues across OpenStack networking components and the underlying </span><strong class="textBold" data-lexical-text="true">Linux networking stack</strong><span data-lexical-text="true">.</span></li> <li value="2"><strong class="textBold" data-lexical-text="true">Act</strong><span data-lexical-text="true"> as a </span><strong class="textBold" data-lexical-text="true">3rd/4th line escalation point</strong><span data-lexical-text="true"> for advanced networking incidents.</span></li> <li value="3"><strong class="textBold" data-lexical-text="true">Conduct</strong><span data-lexical-text="true"> root cause analysis for critical issues and </span><strong class="textBold" data-lexical-text="true">drive</strong><span data-lexical-text="true"> permanent fixes.</span></li> <li value="4"><strong class="textBold" data-lexical-text="true">Participate</strong><span data-lexical-text="true"> in </span><strong class="textBold" data-lexical-text="true">on-call rotations</strong><span data-lexical-text="true"> and incident response activities for critical infrastructure services.</span></li> </ul> <p><strong class="textBold" data-lexical-text="true">Automation, Performance, and Resilience</strong></p> <ul> <li value="1"><strong class="textBold" data-lexical-text="true">Drive</strong><span data-lexical-text="true"> continuous improvement in network automation, provisioning, validation, monitoring, and recovery using </span><strong class="textBold" data-lexical-text="true">infrastructure-as-code</strong><span data-lexical-text="true"> and configuration management tools.</span></li> <li value="2"><strong class="textBold" data-lexical-text="true">Lead</strong><span data-lexical-text="true"> performance tuning, scalability planning, and resilience improvements for </span><strong class="textBold" data-lexical-text="true">network-heavy and latency-sensitive cloud workloads</strong><span data-lexical-text="true">.</span></li> <li value="3"><strong class="textBold" data-lexical-text="true">Build</strong><span data-lexical-text="true"> and improve automation approaches that strengthen operational consistency and recovery across the platform.</span></li> <li value="4"><strong class="textBold" data-lexical-text="true">Contribute</strong><span data-lexical-text="true"> specialist input to infrastructure roadmap planning, platform standards, and solution design for customer and internal environments.</span></li> </ul> <p><strong class="textBold" data-lexical-text="true">Cross-Functional and Upstream Contribution</strong></p> <ul> <li value="1"><strong class="textBold" data-lexical-text="true">Work</strong><span data-lexical-text="true"> closely with </span><strong class="textBold" data-lexical-text="true">compute, storage, and platform engineering</strong><span data-lexical-text="true"> teams to ensure effective integration across the broader cloud platform.</span></li> <li value="2"><strong class="textBold" data-lexical-text="true">Support</strong><span data-lexical-text="true"> pre-sales and solution design activities by providing expert guidance on cloud networking capabilities, constraints, and best practices.</span></li> <li value="3"><strong class="textBold" data-lexical-text="true">Contribute</strong><span data-lexical-text="true"> to upstream OpenStack networking communities, particularly </span><strong class="textBold" data-lexical-text="true">Neutron</strong><span data-lexical-text="true"> and related projects such as </span><strong class="textBold" data-lexical-text="true">OVN</strong><span data-lexical-text="true">, through bug reports, code contributions, design discussions, testing, and reviews where appropriate.</span></li> <li value="4"><strong class="textBold" data-lexical-text="true">Track</strong><span data-lexical-text="true"> upstream roadmaps, release changes, and community direction to help shape Nscale’s networking strategy, upgrade planning, and platform standards.</span></li> <li value="5"><strong class="textBold" data-lexical-text="true">Represent</strong><span data-lexical-text="true"> Nscale’s operational requirements and real-world use cases in upstream discussions to help drive improvements for both the business and the broader community.</span></li> </ul> <h2><span data-lexical-text="true">KPIs</span></h2> <ul> <li value="1"><strong class="textBold" data-lexical-text="true">Availability of OpenStack networking services</strong></li> <li value="2"><strong class="textBold" data-lexical-text="true">Resolution of advanced networking incidents and root cause fixes</strong></li> <li value="3"><strong class="textBold" data-lexical-text="true">Network automation, provisioning, and recovery improvements</strong></li> <li value="4"><strong class="textBold" data-lexical-text="true">Scalability and performance of network-heavy, latency-sensitive workloads</strong></li> </ul> <h2><span data-lexical-text="true">About You</span></h2> <ul> <li value="1"><strong class="textBold" data-lexical-text="true">Strong experience</strong><span data-lexical-text="true"> working in large-scale </span><strong class="textBold" data-lexical-text="true">OpenStack</strong><span data-lexical-text="true"> environments.</span></li> <li value="2"><strong class="textBold" data-lexical-text="true">Strong specialist knowledge</strong><span data-lexical-text="true"> of </span><strong class="textBold" data-lexical-text="true">Neutron</strong><span data-lexical-text="true">, including </span><strong class="textBold" data-lexical-text="true">ML2, OVN, Open vSwitch, routing, DHCP, metadata, provider networks, tenant networks, VLAN/VXLAN/Geneve, and security groups</strong><span data-lexical-text="true">.</span></li> <li value="3"><strong class="textBold" data-lexical-text="true">Strong Linux systems administration</strong><span data-lexical-text="true"> and troubleshooting experience.</span></li> <li value="4"><strong class="textBold" data-lexical-text="true">Strong understanding</strong><span data-lexical-text="true"> of Linux networking concepts including </span><strong class="textBold" data-lexical-text="true">routing, bridging, namespaces, iptables/nftables, bonding, MTU, and packet flow analysis</strong><span data-lexical-text="true">.</span></li> <li value="5"><strong class="textBold" data-lexical-text="true">Strong experience</strong><span data-lexical-text="true"> investigating complex network behaviour using tools such as </span><strong class="textBold" data-lexical-text="true">tcpdump, iproute2, ovs/ovn tooling, logs, and metrics</strong><span data-lexical-text="true">.</span></li> <li value="6"><strong class="textBold" data-lexical-text="true">Strong experience</strong><span data-lexical-text="true"> designing and building automation for cloud infrastructure using tools such as </span><strong class="textBold" data-lexical-text="true">Ansible</strong><span data-lexical-text="true">.</span></li> <li value="7"><strong class="textBold" data-lexical-text="true">Strong Python and Bash</strong><span data-lexical-text="true"> skills.</span></li> <li value="8"><strong class="textBold" data-lexical-text="true">Experience</strong><span data-lexical-text="true"> working with highly available production platforms and change management in mission-critical environments.</span></li> <li value="9"><strong class="textBold" data-lexical-text="true">Ability</strong><span data-lexical-text="true"> to collaborate across infrastructure, support, and architecture teams to solve complex technical problems.</span></li> <li value="10"><strong class="textBold" data-lexical-text="true">Experience</strong><span data-lexical-text="true"> contributing to or working closely with upstream open-source communities is highly desirable, particularly within </span><strong class="textBold" data-lexical-text="true">OpenStack, Neutron, OVN, Open vSwitch, or related networking projects</strong><span data-lexical-text="true">.</span></li> </ul> <h2><span data-lexical-text="true">What we can offer you</span></h2> <p><span data-lexical-text="true">At Nscale, you'll find a collaborative, supportive, and innovative environment where your contributions spark real impact. We're building something extraordinary, and we want you at the core.</span></p> <p><span data-lexical-text="true">Highly competitive compensation package (base + bonus + equity), with performance reviews every 12 months. 🚀</span></p> <p><span data-lexical-text="true">Join one of the fastest-growing AI infrastructure companies — your chance to directly shape how global AI capacity is planned and deployed. ✨</span></p> <p><span data-lexical-text="true">Expect a dynamic progression plan tailored to your ambitions. Grow by leading critical cross-functional initiatives and shaping capital strategy — always with our full support.</span></p> <p><span data-lexical-text="true">Human-First Flexibility: We treat you as humans first. 🫶🏽 Our flexible workplace trusts Nscalers to deliver, giving you the autonomy to shape your day around life's moments.</span></p> <h2><span data-lexical-text="true">Equal Opportunities Statement</span></h2> <p><span data-lexical-text="true">We strongly encourage applications from people of colour, the LGBTQ+ community, people with disabilities, neurodivergent people, parents, carers, and people from lower socio-economic backgrounds.</span></p> <p><span data-lexical-text="true">If there’s anything we can do to accommodate your specific situation, please let us know.</span></p> <p><span data-lexical-text="true">The responsibilities outlined in this job description are not exhaustive and are intended to provide a general overview of the position. The employee may be required to perform additional duties, tasks, and responsibilities as assigned by management, consistent with the skills and qualifications required for the role.</span></p> <p><span data-lexical-text="true">For information on how Nscale handles candidate personal data, please see our Employee &amp; Candidate Privacy Notice: Here.</span></p> <p>&nbsp;</p> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> <div>&nbsp;</div> <div> <div class="c-cpnNFn">&nbsp;</div> </div> <div data-react-aria-top-layer="true"> <div class="c-eaZvLn"> <div class="c-kZKyFv"><br> <div class="c-rRUDe">&nbsp;</div> </div> </div> </div> <p>&nbsp;</p><div class="content-conclusion"><p><em>For information on how Nscale handles candidate personal data, please see our Employee &amp; Candidate Privacy Notice:&nbsp;<a href="https://drive.google.com/file/d/1QK5Yg04WHD9K9IAtJgQWubJZC9oLvatK/view?usp=sharing" target="_blank" data-saferedirecturl="https://www.google.com/url?q=https://drive.google.com/file/d/1QK5Yg04WHD9K9IAtJgQWubJZC9oLvatK/view?usp%3Dsharing&amp;source=gmail&amp;ust=1765375172804000&amp;usg=AOvVaw2Ncte4rmlGl8OKuFuDgDtx">Here.</a></em></p></div>