Senior Cloud Performance Engineer

About ClickHouseFeatured on the prestigious 2025 Forbes Cloud 100 list, ClickHouse is a trailblazer in the private cloud sector, recognized for its innovative solutions and rapid growth. With a client base exceeding 3,000 and an astonishing annual recurring revenue (ARR) growth of over 250% year-on-year, ClickHouse excels in real-time analytics, data warehousing, observability, and AI workloads.The company’s impressive trajectory was recently reinforced by a $400 million Series D funding round. Over the last three months, notable clients such as Capital One, Lovable, Decagon, Polymarket, and Airwallex have either adopted the platform or expanded their existing use. These organizations join an impressive roster of AI pioneers and global brands, including Meta, Cursor, Sony, and Tesla.Join us in revolutionizing how businesses leverage data. Be part of our exciting journey!About the TeamThe Cloud Performance Engineering team is dedicated to developing the cloud-native ClickHouse Cloud Platform, revolutionizing the OLAP landscape. We seek outstanding performance engineers with a robust background in distributed databases, performance analysis, benchmarking, and test automation. The ideal candidate is a distributed systems performance engineer eager to make a substantial impact on our scalable, high-performance, serverless ClickHouse Cloud.Responsibilities:Conduct benchmarking, analyze database performance, and optimize capacity sizing.Diagnose and resolve application and server errors efficiently.Suggest configuration enhancements to eliminate performance bottlenecks.Collaborate closely with the ClickHouse core development, cloud, and security teams to enhance ClickHouse Cloud’s performance.Plan and implement chaos engineering initiatives across engineering teams, aligned with internal priorities.Develop and manage tools for systematic chaos experiments and assess their impact.Deepen your understanding of large-scale distributed systems while solving complex challenges.Examine software resilience, operations, and delivery challenges.Enhance our backend systems to incorporate Chaos Engineering practices.Monitor active systems and identify innovative disruption strategies.

As a Senior Cloud Engineer, you will play a pivotal role in managing cloud operations within our delivery team. This position involves executing daily cloud operations and implementing cloud solutions in various technical customer engagements, which may include basic operations, administration, and specific implementation projects or pilots in the cloud environment. We are seeking a Cloud Engineer with a proven track record in delivery roles, strong skills in implementation discussions, hands-on experience, excellent client handling capabilities, and a collaborative spirit. You will be responsible for providing solutions and technical expertise to your team members and client accounts.Responsibilities:Implement and manage complex cloud network architectures across AWS and Azure ecosystems, ensuring optimal performance and security. Facilitate the migration of network services and cloud workloads while minimizing downtime and disruption.Demonstrate familiarity with AWS/Azure native components such as firewalls, SaaS connectivity, NLB, ELB, GWLB, NAT Gateways, Transit Gateways, API Gateways, Control Tower, and CloudFront.Design, implement, test, secure, manage, and maintain infrastructure network systems.Utilize Infrastructure as Code (IaC) tools, particularly Terraform, for infrastructure deployment and management.Oversee project planning, execution, and supervision, ensuring timely completion within the budget. Collaborate closely with various teams to foster a cooperative environment that supports knowledge sharing and project success.Maintain comprehensive documentation throughout the project lifecycle, including network diagrams, configuration details, and operational procedures. Effectively communicate complex technical concepts to non-technical stakeholders.Conduct thorough testing after migration to validate the functionality and performance of the newly implemented network. Provide ongoing support post-migration, including troubleshooting network issues and optimizing network performance.Work closely with the Team Leader to achieve system delivery milestones.Provide technical documentation support to project and solutions teams, and hand over as-built documentation to the maintenance support team.Engage with back-line support and vendors to diagnose and resolve technical issues.Assist in the daily operations of the system delivery team.Perform additional technical duties as required.Respond promptly to incidents and service requests (SRs).Administer NAC ClearPass for security posture enforcement.Analyze network utilization patterns to recommend and implement corrective and preventive measures.Provide standby support during network upgrades.

Join our dynamic team at NCS as a Senior Cloud Engineer, where you will play a pivotal role in cloud operations within the delivery team. Your responsibilities will include executing daily cloud operations and implementing cloud solutions during technical engagements with customers, which encompass basic operations, administration, and specific implementation projects and pilots in the Cloud.The ideal Cloud Engineer will bring substantial experience in delivery roles, demonstrating success in implementation discussions, and possess strong client handling skills along with the ability to work effectively within a team. You will be expected to provide innovative solutions and technical guidance to your colleagues and clients.Your Responsibilities:Utilize your technical knowledge and hands-on expertise to manage and administer cloud infrastructure.Ensure configurations meet high standards for performance, security, scalability, maintainability, and reliability, adhering to design documentation specifications.Implement configurations with automation best practices in new projects, ensuring thorough documentation is maintained.Automate cloud system management using tools such as Ansible, CloudFormation, and Terraform while maintaining clear documentation.Work collaboratively with Cloud Solution Architects to provide technical insights in cloud operations and administration.Participate in cloud migration projects for VMs, ideally having experience with migrating over 50 VMs or databases using tools like CloudEndure.Engage with clients during operational meetings to enhance processes and contribute to optimizations for their environments.Stay updated on technical skills, certifications, and market trends, actively sharing knowledge within the cloud community.Manage issues effectively, ensuring proper resolution, documentation, and adherence to Service Level Agreements (SLAs).

Join CoreWeave as a Senior Cloud Support Engineer and be at the forefront of the AI revolution! In this pivotal role, you will empower clients to harness our cutting-edge Kubernetes-powered HPC cloud infrastructure. Collaborate with engineers and researchers to troubleshoot issues affecting high-stakes, mission-critical applications and advanced AI training workloads. Your expertise will be essential in ensuring optimal performance and reliability for our customers, placing you at the heart of transformative technologies that are reshaping industries worldwide.

Primary Purpose: The Senior Performance Analysis Engineer will assume technical ownership of key domains within our autonomous driving technology, ensuring optimal system quality and vehicle behavior. The ideal candidate will have extensive experience in system and sub-system analysis, utilizing verification and validation methodologies, while fostering collaboration across software, testing, and project management teams. This role uniquely integrates testing and operations with software development and systems/safety requirements, positioned at both ends of the systems V-model. Essential Duties: Assume technical ownership of entire domains or sub-domains (e.g., localization, motion planning, perception, prediction) while maintaining a comprehensive understanding of the autonomous vehicle stack. Act as the primary contact for performance analysis in the assigned domain. Provide diagnostic support across teams during escalations. Lead comprehensive Root Cause Analysis (RCA), Fault Tree Analysis (FTA), and Failure Mode Effects Analysis (FMEA) across various environments including public roads, closed courses, simulations, and Hardware-in-Loop (HIL). Drive both diagnosis and prognosis efforts, analyzing risk trajectories, recurrence patterns, and release impacts. Deliver structured performance summaries to inform decisions on release readiness, commercial deployments, and KPI governance. Collaborate across functions including software, hardware, systems testing, operations, and safety teams. Proactively identify and remove engineering blockers affecting multiple teams. Own team-wide or organization-wide KPIs/OKRs. Communicate performance metrics clearly and effectively across various teams while remaining technically grounded. Champion automation and scalable analysis and reporting practices. Mentor peers and junior engineers, providing structured feedback and supporting their technical growth. Optional travel may be required based on business needs. Perform other duties as assigned.

Join our innovative team at Pinely as a Network Engineer, where you will be instrumental in designing, enhancing, and managing a high-performance, ultra-low-latency network infrastructure across both on-premise and cloud environments. Your expertise will be pivotal in ensuring the swiftest data delivery over long distances, necessitating close collaboration with various vendors, cloud providers, and international teams.If you have a passion for developing high-performance networks and are excited to work with cutting-edge latency-sensitive systems in a global setting, we invite you to apply and make a significant impact.Key Responsibilities:Architect, implement, and sustain low-latency network infrastructure spanning on-premise and multi-cloud platforms (AWS, Google Cloud, Alibaba Cloud);Refine routing, peering, and data pathways to facilitate ultra-low-latency communication;Conduct proactive network performance monitoring and establish metrics, alerting, and telemetry for comprehensive visibility;Work alongside vendors and partners to oversee connectivity, link deployment, and network lifecycle;Assist in automating operational tasks, managing configurations, and integrating CI/CD processes;Engage in incident response, troubleshooting, and post-incident analysis to enhance network reliability and performance continuously.Required Qualifications:In-depth knowledge of IP networking, routing protocols, BGP, multicast, RF, and fiber technologies;Practical experience in cloud networking (VPC, Transit Gateway, Direct Connect, Cloud Interconnect, VPC Peering, etc.) across AWS, Google Cloud, and/or Alibaba Cloud;Strong grasp of the Linux networking stack, tuning, and performance optimization;Familiarity with network automation tools such as Ansible, Python, Terraform, NetBox, or similar technologies;Awareness of observability tools like Grafana, Prometheus, and other telemetry solutions;Exceptional problem-solving abilities and operational discipline within distributed environments;Fluency in written and spoken English.Preferred Qualifications:Experience managing low-latency or high-performance networks, particularly in trading, finance, or similar latency-sensitive sectors;Knowledge of low-latency networking hardware, including Layer 1 switches and optical transport;Hands-on experience with RF-based networks;Development skills sufficient to create custom network diagnostic or monitoring tools.Benefits:Competitive compensation package above market rates with bonuses up to 50% of your annual salary, paid biannually;Comprehensive training and professional development programs;Extensive health insurance coverage;Reimbursement for athletic activities;Participation in engaging corporate events twice a year;High degree of autonomy and ownership within the role;Collaborate closely with a team of seasoned professionals.

About ClickHouseRanked on the prestigious 2025 Forbes Cloud 100 list, ClickHouse stands as a trailblazer in the rapidly evolving private cloud sector. With a remarkable base of over 3,000 clients and an astonishing annual recurring revenue (ARR) growth exceeding 250% year-on-year, ClickHouse excels in delivering real-time analytics, data warehousing, observability, and AI workloads.The company’s relentless growth trajectory was recently underscored by a successful $400M Series D funding round. In just the last quarter, notable clients such as Capital One, Lovable, Decagon, Polymarket, and Airwallex have embraced our platform or expanded their existing deployments. These clients join an esteemed roster of AI pioneers and global brands, including Meta, Cursor, Sony, and Tesla.Join us in our mission to revolutionize data utilization for businesses. Be part of our exciting journey!About the TeamThe Cloud Infrastructure Engineering team is responsible for constructing and overseeing the essential components of the ClickHouse Cloud data plane from end to end. This encompasses compute, networking, security, and a multi-cloud, multi-region architecture that ensures a dependable and scalable managed ClickHouse experience for our customers. We are seeking exceptionally skilled and experienced cloud infrastructure software engineers to join our team, who will play a pivotal role in designing, deploying, and maintaining our infrastructure.

Join a vibrant team dedicated to the exploration, design, management, and optimization of our on-premises cloud infrastructure platforms and services. As a Cloud Infrastructure Engineer, you will collaborate with skilled cloud infrastructure engineers to implement robust cloud networking, storage solutions, virtual machines, and security measures. A solid understanding of cloud infrastructure technologies, architectural principles, and site reliability engineering (SRE) is essential for success in this role.

Role overview Airwallex is hiring a Senior Software Engineer to work on the Cloud Platform in Singapore. This role centers on designing and building cloud solutions that support and improve the company’s global payment infrastructure. What you will do Design and develop cloud-based systems for payment processing Work with teams across engineering, product, and operations to integrate new features Focus on performance optimization and system reliability Location This position is based in Singapore (SG).

Role overview Cygnify is seeking a Senior Cloud Architecture Engineer based in Singapore. This role focuses on designing, building, and enhancing secure cloud networking architectures across hybrid and multi-cloud environments, with particular emphasis on AWS and Alicloud. The position supports new project launches by delivering agile, scalable, and automation-driven network solutions. Main responsibilities Design and develop cloud network architectures for both new and existing platforms. Maintain performance, availability, and security for networking components, including VPCs, Transit Gateways, Load Balancers, and CDNs. Automate cloud network provisioning and configuration using Infrastructure as Code tools. Monitor and optimize network costs and data transfer, especially for projects with experimental or variable workloads. Advise cross-functional teams and support rapid prototyping efforts. Collaborate with internal teams to shape the roadmap for AI initiatives and multi-cloud deployments. Lead vendor evaluations and the implementation of new solutions, including AI frameworks and cloud automation tools. Manage RFP and RFI processes, vendor relationships, procurement, and legal interactions. Support team growth by sharing expertise in cloud technologies. Work with regulators and industry partners to build new relationships as needed.

Join our innovative team as a Staff Platform Engineer specializing in High-Performance Computing (HPC) Platform Management. In this role, you will contribute to the development of robust network infrastructure utilizing state-of-the-art technologies, including cloud-based solutions and software-defined networking (SD-WAN, ACI, NSX). A strong grasp of IT infrastructure systems and familiarity with the latest networking technologies is essential. As a technical expert within the team, you will be eager to tackle new challenges and keep pace with the rapidly changing technological landscape.

Join our dynamic team at NCS as a Cloud Engineer (Cloud Hosting)! We are on the lookout for innovative minds who excel at merging technology with human needs. If you are committed to delivering exceptional service and eager to elevate our cloud operations to new heights, we want to hear from you!Role OverviewThis client-facing position involves collaborating within our delivery team to manage cloud operations. You will be responsible for executing daily cloud operations and implementing cloud solutions during technical customer engagements. This includes basic operations, administration, specific implementation projects, and pilot programs within the cloud realm.The ideal candidate will possess significant experience in delivery roles, a track record of successful implementation discussions, and strong client management skills. You should be a proactive team player, ready to share your expertise and provide solutions to both your peers and clients.Key Responsibilities:Utilize your technical expertise and hands-on experience to manage and administer cloud infrastructure effectively.Ensure all configurations meet high standards of performance, security, scalability, maintainability, and reliability, in line with design specifications.Implement configurations with automation principles in mind for new projects, ensuring thorough documentation.Automate the maintenance of cloud systems using tools like Ansible, CloudFormation, and Terraform, with proper documentation.Collaborate with Cloud Solution Architects to provide technical guidance on cloud operations and administration.Participate in cloud migrations for virtual machines (VMs), preferably with experience in migrating over 50 VMs or databases using tools like CloudEndure.Engage with clients during operational meetings to discuss process improvements and contribute to optimizing their environments.Stay updated with the latest technical skills, certifications, and market trends, sharing insights with the technical community, especially in cloud computing.Manage and resolve issues with appropriate documentation and adherence to service-level agreements (SLAs).Oversee the administration and troubleshooting of Unix servers (Linux, Solaris, Ubuntu, etc.).Proficiently install Unix OS and demonstrate strong troubleshooting skills, with knowledge in securing and hardening Unix systems.Expertise in OS clustering for high availability and implementation of IT security policies.Experience in supporting SAN environments and managing storage space effectively.Perform upgrades and apply patches or firmware updates to virtual environments.

Join CSIT as a Cloud Platform Engineer, where you will dive into modern cloud technologies to enhance and modernize our on-premise platform services.As a pivotal member of the Runtime Platform team, you will contribute to the delivery of secure, reliable, and scalable platform services that simplify infrastructure complexities. This enables software engineers to effectively deploy and manage cloud-native applications while upholding strong security and compliance protocols.Our team manages a multi-tenanted platform that integrates numerous enhancements tailored to our developers' unique needs, directly boosting productivity through both third-party technologies and custom workflow improvements.

Join our dynamic team at ncs3 as a Cloud Engineer, where you will be at the forefront of cloud technology innovation. As a key member of our engineering group, you will design, implement, and maintain cloud solutions that empower our clients to achieve their business objectives. You will work collaboratively with cross-functional teams to deliver high-quality solutions that meet the needs of our customers.

Join our dynamic team at ncs3 as a Cloud Engineer, where you'll be at the forefront of cloud technology innovation. In this pivotal role, you will design, implement, and manage cloud infrastructure to optimize our operations and ensure robust performance. Collaborate with cross-functional teams to drive cloud strategies and enhance our service offerings.

Position OverviewAs an Azure Cloud Engineer at NCS, you will play a crucial role in the management and optimization of Azure cloud infrastructure. Your expertise will ensure the resilience and performance of server environments across both Windows and Linux platforms. You will work collaboratively with our IT team to drive the success of diverse projects and initiatives, focusing on areas like cloud networking, system performance monitoring, security protocols, and disaster recovery solutions. Your contributions will be vital to the reliable operation of mission-critical applications and services. Key ResponsibilitiesOversee the management of Azure cloud services and infrastructure.Provide support for both Windows and Linux server environments.Configure and manage essential cloud networking and routing, including VPCs and security groups.Monitor system performance and address any troubleshooting needs.Assist in implementing security measures and system updates.Collaborate with IT teams to further various projects and initiatives.Support the maintenance of backup and disaster recovery systems.

Role Overview Airwallex is hiring a Cloud Network Engineer focused on infrastructure in Singapore. This position shapes the design, deployment, and upkeep of cloud-based network systems that connect our global teams and services. What You Will Do Design and implement cloud network architectures to support business needs Maintain and optimize network performance for reliability and speed Strengthen network security and monitor for vulnerabilities Support seamless connectivity across Airwallex’s international operations Impact Your work will help Airwallex deliver secure and high-performing financial services around the world.

The CompanyArta Finance is on a bold and fulfilling mission to empower individuals worldwide to achieve financial success. By harnessing advanced AI and cutting-edge digital tools, which were once exclusive to ultra-high-net-worth individuals, Arta makes these resources accessible to a diverse global audience. Imagine having your own digital family office, merging intelligent investment strategies, alternative asset opportunities, private market access, and smart automation to effortlessly grow and safeguard your wealth. Our core values revolve around trust, teamwork, and adaptability.The RoleAs a Senior Cloud Infrastructure Engineer, you will be responsible for designing, developing, and maintaining a resilient infrastructure that spans the entire technology stack—from user-serving servers to data pipelines, storage systems, trading platforms, and research infrastructure. Your critical contributions will support both real-time and batch workflows, ensuring scalability, performance, and high reliability for our mission-critical systems.This is an individual contributor position, where your expertise will guide various initiatives in collaboration with cross-functional teams.What You Will DoDesign, develop, and maintain scalable infrastructure for real-time and batch workflows, emphasizing high-throughput and low-latency data processing for autonomous trading, quantitative research, and reliable user-serving servers.Work closely with frontend, research, and trading teams to ensure that the infrastructure and data pipelines meet performance, precision, and usability requirements.Integrate third-party platforms and data providers, ensuring secure and reliable API/data stream ingestion while tackling complex external data integration challenges.Proactively identify and resolve bottlenecks and inefficiencies in distributed systems, optimizing performance and resource utilization.Take ownership of deployment pipelines and production operations to guarantee high availability, fault tolerance, and observability of critical services.Architect and implement scalable systems that support high-throughput, low-latency data processing essential for autonomous trading and quantitative research. Ensure data quality, consistency, and traceability through thorough testing, validation, and monitoring pipelines.Uphold security best practices and collaborate with internal stakeholders to meet compliance and auditing standards.

Join our dynamic team at Accion Labs as a Performance Testing Engineer specializing in Siebel. We are seeking a talented individual who is passionate about ensuring the performance and reliability of software applications. In this role, you will be responsible for designing, executing, and analyzing performance tests, identifying bottlenecks, and providing solutions to enhance system performance.

Join Us as a Cloud Infrastructure Engineer / DevOps Engineer!Are you passionate about optimizing and securing cloud infrastructure across the Asia-Pacific region? At brixio, we are seeking a skilled DevOps Engineer to be a key player in our innovative team. Your expertise will be essential in managing our cloud infrastructure, particularly with a focus on the Chinese market.Key Responsibilities:Cloud Infrastructure Management:Manage and enhance the cloud infrastructure for the APAC region, with a dedicated focus on China.Support the migration of on-premises servers to the Cloud.Work closely with the APAC Cloud Infrastructure Manager to embed security considerations into all projects.Implement automation strategies to optimize operational expenditures in the Cloud.Cybersecurity and Compliance:Establish and uphold guidelines and standard operating procedures for APAC infrastructure.Collaborate on defining and executing IT infrastructure strategies.Address cybersecurity, privacy, and data protection incidents in collaboration with helpdesk and global operations teams.Design and deploy SecDevOps processes and automation solutions.Ensure compliance with industry standards and introduce innovative solutions to enhance infrastructure design.