Cloud Network Engineer - Infrastructure

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.

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.

Join our dynamic team as an AWS Network Engineer, where you'll be responsible for designing, implementing, and maintaining secure, scalable, and high-availability cloud network infrastructures tailored to our clients' needs. Collaborate with project teams, system integrators, vendors, and cybersecurity experts to ensure that AWS network solutions are reliable, secure, and compliant with industry standards.Your expertise will be pivotal in enhancing our clients' infrastructure through robust cloud connectivity and strategic network design.Core Responsibilities:Architect, deploy, and manage AWS Virtual Private Cloud (VPC) environments, including subnets, route tables, security groups, network access control lists, Transit Gateways, Route 53 (DNS), and PrivateLink, adhering to client standards.Configure and maintain hybrid cloud connectivity solutions such as AWS Direct Connect, Gateways, Site-to-Site VPN, and Transit Gateway to ensure seamless integration between on-premises data centers and AWS environments.Oversee DNS and DHCP network services configuration and management.Implement Network Load Balancing and Traffic Management with AWS ELB, NLB, ALB, CloudFront, and Nginx to optimize traffic flow, reduce latency, and ensure high availability for distributed applications.Enforce network security measures in line with the client's security policies to protect confidentiality and integrity of data and systems.Manage Firewalls and Security Appliances, including Palo Alto Firewalls and cloud-native firewalls like AWS WAF.Lead incident response efforts, collaborating with vendors and project teams for swift resolutions.Provide expert network support for internet-facing applications, facilitating smooth deployments and troubleshooting any issues.Work closely with cloud architects, cybersecurity teams, and DevOps engineers to create secure and resilient cloud network topologies.Leverage network automation and Infrastructure-as-Code (IaC) tools like Terraform, Ansible, and AWS CloudFormation.Monitor and enhance network performance using AWS CloudWatch, VPC Flow Logs, CloudTrail, and other monitoring solutions.Offer technical support for Windows and Linux EC2 servers, assisting with provisioning, configuration, scripting, and troubleshooting.Maintain comprehensive network documentation, topology diagrams, operational procedures, and best practices in compliance with audit and change management protocols.Stay abreast of advancements in AWS networking, GovTech cloud policies, and cybersecurity directives to propose ongoing improvements.

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.

Join our team as a Senior Infrastructure Engineer specializing in Network. In this role, you will be pivotal in designing, implementing, and maintaining robust network solutions that enhance our operational efficiency. You will work collaboratively with cross-functional teams to ensure seamless connectivity and security across our infrastructure.Key responsibilities include:Designing network architecture to support business operations.Implementing security measures to safeguard our network.Monitoring network performance and optimizing configurations.Providing technical support and troubleshooting network issues.

Join our innovative team at csit as a Network Reliability Engineer, where you'll be instrumental in constructing robust and resilient network infrastructures utilizing state-of-the-art technologies, including cloud-based solutions and software-defined networking such as SD-WAN, ACI, and NSX. A solid understanding of IT infrastructure systems and familiarity with the latest advancements in networking technologies and platforms are essential. We seek a collaborative team player eager to embrace new challenges and stay updated with the rapidly changing technology landscape.

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.

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 ncs3 as a dedicated Cyber/Network Maintenance Infrastructure Engineer, where you will play a vital role in ensuring the reliability, security, and efficiency of our infrastructure systems. This position is ideal for individuals passionate about cybersecurity and network management, eager to contribute to innovative projects in a dynamic environment.

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.

Assurity Trusted Solutions (ATS), a dedicated subsidiary of the Government Technology Agency (GovTech), has been a reliable partner for over a decade, providing a diverse range of products and services. Our offerings include infrastructure and operational services, governance and assurance services, as well as managed processes. In an ever-evolving digital and cyber landscape, where trust and collaboration are paramount, ATS is committed to fostering productive business outcomes through effective collaboration with GovTech, government agencies, and commercial partners to address cyber risks and enhance security frameworks.We are seeking a skilled Cloud Infrastructure Engineer with expertise in Endpoint and Device Management. If selected, you will be offered a direct two-year contract with our team.Key Responsibilities:Administer and sustain Microsoft Endpoint Configuration Manager (MECM) for software deployment, patch management, and device compliance.Execute imaging and reimaging tasks for desktops, laptops, and servers, ensuring adherence to standardization and security compliance.Provision new and existing endpoints and servers, encompassing installation, configuration, and lifecycle management.Oversee and troubleshoot Active Directory Group Policies (GPOs) to ensure optimal functionality and compliance.Provide Level 2 support for desktop, hardware, software, and network-related incidents.Conduct Quality Assurance testing for modifications to end-user equipment (e.g., security patching, application version upgrades).Collaborate with the IT support team to resolve escalated issues and liaise with vendors for hardware repairs when necessary.Possess hands-on experience with Windows 10 and the latest Windows 11 technologies.Evaluate and recommend hardware and software upgrades (e.g., Tech Refresh) for end-user equipment.Demonstrate a solid understanding of VDI Technology.Maintain detailed documentation of processes, configurations, and troubleshooting steps.Exhibit excellent problem-solving, analytical, and multitasking abilities.

Join Jane Street as a Network Engineer where you will play a crucial role in maintaining and enhancing our network infrastructure. You will work collaboratively with our engineering teams to design, implement, and optimize our network systems, ensuring high availability and performance.

Join Assurity Trusted Solutions (ATS), a proud subsidiary of the Government Technology Agency (GovTech). For over a decade, ATS has been a reliable partner, delivering a wide range of infrastructure, operational, authentication, governance, assurance services, and managed processes. In a rapidly evolving digital landscape, ATS champions the importance of trust and collaboration, working tirelessly alongside GovTech, government agencies, and commercial partners to mitigate cyber risks and enhance security measures.We are seeking a dedicated Cloud Infrastructure Engineer with a strong understanding of Public Key Infrastructure (PKI) and a general awareness of endpoints such as laptops and servers. This position will be filled as a direct contract employee for the right candidate.Your Key Responsibilities:Collaborate closely with the Internal Service Management team to refine and enhance business functions and processes.Lead and oversee the operations team (contractors) to ensure the maintenance and support of secure products for the Whole-Of-Government.Analyze the impact of requested changes and suggest improvements to address evolving business needs while collaborating with support teams to resolve operational challenges.Manage and coordinate the card production system to ensure uninterrupted business operations.Engage with agencies to understand their requirements and deliver timely solutions.Provide regular project updates to senior management.Track and manage change requests for effective project governance.Oversee project documentation from teams and vendors, ensuring timely follow-ups on deliverables.Evaluate and recommend hardware and software upgrades for end-user equipment.Maintain project asset inventories and support Whole-Of-Government requests for equipment rollouts.Ensure all project assets are accurately tracked and accounted for in the asset inventory system.Conduct regular audits of hardware assets and software licenses, participating in capacity budgeting and forecasting for upgrades.

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.

Assurity Trusted Solutions (ATS) operates as a dedicated subsidiary of the Government Technology Agency (GovTech). For over a decade, we have established ourselves as a trusted partner in delivering a robust array of products and services, including infrastructure and operational services, authentication solutions, governance and assurance services, and managed processes. In today's fast-paced digital landscape, where trust and collaboration are paramount, ATS is committed to fostering advantageous business outcomes through strategic partnerships with GovTech, government agencies, and commercial collaborators to effectively mitigate cyber risks and enhance security frameworks.We are excited to invite a talented Cloud Infrastructure Engineer to our team. This role focuses on managing and optimizing hybrid cloud infrastructure for Whole of Government digital services. Responsibilities include overseeing hyper-converged infrastructure, physical servers, backup services, and implementing cloud solutions across various Cloud Service Providers such as Azure and AWS.Key Responsibilities: Design, implement, and maintain infrastructure solutions on both on-premises and cloud platforms (Azure, AWS), ensuring maximum performance and reliability for Whole of Government digital services. Act as a technical subject matter expert for compute, storage, backup, and virtualization technologies, providing architectural insights and best practices for infrastructure solutions. Develop and maintain Infrastructure as Code (IaC) utilizing tools like Terraform, CloudFormation, and Azure Resource Manager templates, along with implementing robust CI/CD pipelines for seamless infrastructure deployment. Lead the integration of security measures and resource optimization across Windows Server and Linux environments, ensuring adherence to government technology standards and policies. Offer technical leadership in diagnosing complex infrastructure issues and collaborate with development teams, stakeholders, and vendors. Create and sustain detailed technical documentation, including architecture diagrams, operational procedures, and disaster recovery strategies. Engage in on-call rotation to provide essential infrastructure support and uphold service reliability.

Join our dynamic team as a Network Engineer where you will play a pivotal role in supporting and maintaining our infrastructure operations. You will monitor performance, troubleshoot technical issues, and lead high-impact projects, ensuring effective utilization of resources and adherence to project plans and budgets.Your expertise will be vital in identifying and resolving complex technical challenges while establishing innovative techniques and processes. You will anticipate business challenges and regulatory issues, providing recommendations for improvements. Availability for on-call support during evenings, weekends, and holidays is essential.In this role, you will apply your analytical skills to resolve technical problems effectively, collaborating with your team to guarantee successful infrastructure project implementations.

Join our dynamic team at Accion Labs as a skilled Network Engineer. In this pivotal role, you will be responsible for designing, implementing, and maintaining robust network infrastructures that support our clients’ diverse needs. You will collaborate with cross-functional teams to ensure seamless connectivity and optimize network performance.

Lead the design, implementation, testing, and maintenance of robust network infrastructure systems, ensuring optimal performance and security.Collaborate effectively with the Team Leader to achieve critical system delivery deadlines.Prepare comprehensive technical documentation to support Project & Solutions Teams, and ensure proper handover of as-built documentation to Maintenance support teams.Engage proactively with back-line support and vendor resources to troubleshoot and resolve technical issues swiftly.Assist with the daily operations of the System Delivery team, contributing to overall project success.Undertake additional technical tasks as required to enhance team efficiency and effectiveness.

Role overview Vitol seeks a Network Engineer based in Singapore to manage and improve its network infrastructure. The position centers on maintaining network systems, optimizing performance, and ensuring secure, reliable connectivity throughout the company. What you will do Oversee daily operations of network systems Maintain and troubleshoot both network hardware and software Work to enhance network performance and reliability Support the rollout and maintenance of security protocols Collaborate with internal teams to provide seamless connectivity Requirements Attention to detail and a proactive approach to network management Proven experience in optimizing and maintaining network infrastructure Strong commitment to security and reliability Ability to work well with both technical and non-technical colleagues

Assurity Trusted Solutions (ATS), a wholly owned subsidiary of the Government Technology Agency (GovTech), has established itself as a reliable partner in providing a diverse range of products and services. Over the past decade, ATS has successfully delivered infrastructure and operational services, authentication solutions, governance and assurance expertise, along with managed processes. In a rapidly evolving digital and cyber landscape, where trust and collaboration are paramount, ATS is committed to fostering beneficial business outcomes through strategic partnerships with GovTech, government entities, and commercial collaborators to mitigate cyber threats and enhance security frameworks.Key Responsibilities:Collaborate with Product Owners, internal engineering teams, and Product Principals to coordinate the operations of Digital Experience Management and ITSM tools.Educate and train ICT Support Engineers on the effective use of Digital Experience Management and ITSM tools.Partner with Product Owners to implement and oversee application observability in Digital Experience Management tools.Lead a team of Operations Engineers in managing change, release, incident, and problem management processes related to Digital Experience Management tools.Ensure timely resolution of requests and queries.Enhance Endpoint user experience through a data-driven strategy.Support Endpoint incident response and recovery efforts using a data-driven approach.Drive operational improvements by adopting monitoring, automation, scripting, and alerting tools.Document requirements and specifications to meet the needs of all Public Service agencies.