Senior Infrastructure Support Engineer - APAC (GPUs) at Nscale

, , Singapore -

Full Time

Start Date

Immediate

Expiry Date

20 Sep, 26

Salary

0.0

Posted On

22 Jun, 26

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Linux Systems Engineering, Kubernetes, GPU Troubleshooting, Networking (L2/L3), Python, Bash, Ansible, Terraform, Openstack, SRE, Root Cause Analysis, BGP, RDMA, NVLink, GitOps, CI/CD

Industry

technology;Information and Internet

Description

About Nscale 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. At Nscale, our Support and Operations team plays a critical role in maintaining service availability, driving service reliability and rapid response to customer tickets. 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. Senior Infrastructure Support Engineer - APAC What You'll be Doing You’ll join the Support duty rotation and, as a Senior, will collaborate with Infrastructure Engineering, Service Reliability Engineering, and Product Engineering on incidents, investigations, and changes Proactively improve dashboards, alerts, and runbooks to prevent repeat incidents Contribute to knowledge sharing across Operations and Engineering, including training content, workshops, and PR reviews. Drive to upskill - better the team and yourself Accurately record, update, manage and resolve tickets using the call tracking system whilst keeping all parties (internal or external) informed of the tickets progression via phone and email Demonstrate a solid understanding of the underlying Platform to our customers and providing assistance in helping them leverage the service and products Respond to incoming monitoring alerts, resolving or escalating as required in accordance with priorities and agreed service levels Take decisive actions, and calculated risks, on technically complex incidents and tasks to ensure business speed and efficiency. Lead by earning trust, speaking candidly, and benchmark against the best to identify where we can improve Disagree when appropriate and challenge the status quo. Commit wholly to decisions and plans once in motion. Be a technical expert, and drive the team to make the best decisions Deliver project tasks, improvements, and technical assessments in the right quality in a timely fashion Handle escalated customer support issues, providing solutions aligned with business SLA requirements Design and implement automation scripts and tools to optimize processes Conduct root cause analysis for major incidents and recommend long-term fixes Collaborate with cross-functional teams for service improvements Responding to critical incidents during out of business hours, and be on-call as required. About You Ability to adapt to customer-driven demands, such as providing specialist support after core business hours, with availability to travel to Nscale or Customer locations to provide onsite technical expertise and guidance Disciplined, organised and self-motivated. Able to motivate, support and mentor other team members Strong leadership principals, with a bias for taking decisive action, working independently, and driving the team and wider organisation to improve Understanding of how Data Centres operate and the core datacentre technologies: Servers, Networks, Storage and Virtualisation, ideally gained through an operational support background Good organisational and time management skills, with strong interpersonal skills, able to deal effectively with people at all levels whilst also having good written and verbal communication skills Linux systems engineering at scale.Strong command over modern Linux distributions, kernel modules, system, networking stack, and filesystem tooling. Proven troubleshooting across compute, storage and network layers in production Operate and troubleshoot K8s clusters and understand how physical resources are abstracted up the stack to K8s GPU platforms (NVIDIA and AMD).Practical experience with GPU drivers and GPU logs investigation tools, e.g. nvidia-smi. Performance diagnostics using NCCL on large scale clusters Observability and incident response. Build and use alerting stacks and dashboards, interpret metrics and alerts, and drive runbooks to resolution; contribute to SLOs and post‑incident reviews Strong Networking fundamentals.Solid grasp of L2/L3, routing, BGP, VLANs, VXLAN, firewalls, load balancing. Understanding of high‑performance fabrics (RDMA/NVLink basics) for cluster‑to‑cluster traffic SRE‑style operations. Write and maintain runbooks, automate diagnostics, and reduce human intervention using scripts or small tools Automation and Git. Scripting or software skills in Bash, Python, or JavaScript (or equivalent) for operational tooling and integrations, and experience with Infrastructure Automation tools (Ansible, Puppet, Terraform, Chef) Cloud Infrastructure Administration and Troubleshooting. Strong familiarity with using virtualisation technologies, and investigating issues that arise, performing deep dive investigation to perform root cause analysis. Openstack operations experience preferred. Nice to Have Automated Network Configuration. Experience automating network deployment configurations and making safe, repeatable changes in business-critical environments Strong GPU HPC concepts, beyond standard troubleshooting. Familiarity and prior experience with RDMA/InfiniBand and performance tuning for distributed workloads. Support scheduling for large multi‑GPU jobs, containers via Pyxis/Enroot, and MPI. Diagnose queue, topology, and job failures GitOps tooling and cluster/app automation pipelines. Build and maintain CICD pipelines. Re-architecting old scripts to use Github Actions. In All We Do, Our Core Values Guide Us Relentless Innovation At Nscale, we constantly push the boundaries of innovation, embracing creative risks to shape the future. Our aim is to deliver products that not only meet but exceed today’s expectations, setting new standards for tomorrow. Ownership and Accountability Every Nscaler is fully accountable for their work, driving it with excellence and urgency. We set high standards, ensuring that our contributions are not just good but exceptional. Openness and Transparency We believe trust and transparency are key to our success. We maintain open communication within our teams and with stakeholders, sharing both successes and challenges. Our open-source approach allows customers to explore our technology, building trust and ensuring our solutions are both innovative, secure, and reliable. Customer-Centric Focus Our customers are central to our mission, and we are committed to delivering impactful solutions that drive real-world success. We focus on deeply understanding their needs and challenges, striving to exceed expectations in both product quality and service. Sustainability We are dedicated to considering the long-term environmental and societal impacts of our technologies. By integrating sustainability into our operations and product development, we ensure that our innovations are both effective and responsible, contributing positively to the world around us. Full-Speed Collaboration Collaboration at Nscale is fast, efficient, and respectful. We work together seamlessly, with clear communication and mutual respect, ensuring our shared goals are met with high standards and impactful outcomes. Equal Opportunities Statement 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. If there’s anything we can do to accommodate your specific situation, please let us know. 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. For information on how Nscale handles candidate personal data, please see our Employee & Candidate Privacy Notice: Here. For information on how Nscale handles candidate personal data, please see our Employee & Candidate Privacy Notice: Here.

Responsibilities

Maintain service availability and reliability for a GPU cloud by managing incidents, investigations, and technical changes. Lead the support duty rotation and collaborate with engineering teams to optimize dashboards, runbooks, and automation tools.