Senior Network Engineer

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 our innovative team at csit as a Network Reliability Staff Engineer, where you will play a crucial role in developing robust network infrastructure. You will leverage advanced 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 networking technologies is essential. As a technical expert within our team, you will be encouraged to embrace new challenges and stay updated with the rapidly changing technology landscape.

Join ncs as a Network Engineer and embark on a rewarding career where you will design, implement, and maintain advanced network systems. You will work closely with a talented team to deliver high-quality solutions for our clients, ensuring optimal network performance and security. If you are passionate about networking technologies and eager to contribute to innovative projects, we want to hear from you!

Join our dynamic team at Accion Labs as a Network Engineer. In this pivotal role, you will be responsible for designing, implementing, and maintaining network solutions that meet our clients' needs. You will work closely with cross-functional teams to ensure optimal performance and security of network systems.

Join our dynamic team at Accion Labs as a skilled Network Engineer. In this role, you will be responsible for designing, implementing, and maintaining network solutions that ensure optimal performance and security. You will collaborate with cross-functional teams to troubleshoot network issues and provide exceptional support to our clients.

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 our dynamic team as a Network Engineer at Accion Labs, where you will be pivotal in designing, implementing, and maintaining our cutting-edge network infrastructure. Utilize your expertise to ensure high levels of network performance and security while collaborating with cross-functional teams to support our global operations.

Join our innovative team as a Mobile Network Maintenance Engineer focusing on Autonomous and Wireless Networks. In this dynamic role, you will be responsible for ensuring the reliability and efficiency of mobile network systems while utilizing cutting-edge technology. Your expertise will contribute to enhancing our operational capabilities and supporting the deployment of next-generation wireless solutions. Collaborate with cross-functional teams to troubleshoot and resolve network issues, maintain system documentation, and implement best practices in network maintenance.

Join our team as a Network and Security Engineer where you will play a pivotal role in safeguarding our network infrastructure. You will be responsible for designing, implementing, and maintaining security measures to protect sensitive data and ensure the integrity of our network systems. Collaborate with cross-functional teams to develop and enforce security policies, conduct risk assessments, and respond to security incidents.

Role Overview Adventus is seeking a System & Network Engineer based in Singapore. This position focuses on maintaining and improving IT infrastructure, ensuring reliable and secure operations across platforms and networks. Main Responsibilities Oversee virtualization platforms such as Hyper-V and VMware, tuning them for strong performance. Administer Windows Server environments with an emphasis on reliability and operational efficiency. Design, implement, and troubleshoot network infrastructure, including LAN/WAN, VPN, and firewall systems. Monitor system performance metrics to support high availability of IT services. Handle system upgrades, apply patches, and carry out regular maintenance to maintain system health. Identify and resolve hardware, software, and network issues as they arise. Support backup routines, disaster recovery, and business continuity efforts to protect data. Maintain thorough documentation for systems, configurations, and operational procedures. Work closely with internal teams and external vendors to ensure smooth project delivery and ongoing support.

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.

We are seeking a skilled Network Engineer to join our dynamic team at Intersoft. The ideal candidate will possess strong expertise in network troubleshooting and provide effective problem identification and resolution support to first- and second-level teams.The responsibilities include managing Cisco Security devices such as ASA appliances (5555-X and 5585-X), Juniper NetScreen (including virtual firewall contexts), and McAfee Firewall. You will also oversee Cisco Data & Security Devices including ASDM, CSM, and DCNM, as well as managing servers that support AAA, SNMP, Syslog, NTP, DHCP, FTP, DNS, IPS, and VPN.Your role will also involve handling Cisco Routers and Switches from the Catalyst series (6500, 4500, 3750, 2960 & 3560) and Alcatel Omni Switches (6850 & 9000). You should have significant exposure to TACACS+, Radius, and the Cisco Access Control System.Moreover, you will provide network access consulting for new projects, implement new solutions and risk mitigation techniques, and evaluate inbound network access requests for user and device provisioning. A background in wireless environments is essential, along with the capability to design IP addressing schemas and conduct assessments and audits of IP network security.Your proactive approach to resolving network security issues and alignment with the security governance team will be crucial. A strong networking background combined with troubleshooting skills for access control and network-related problems is required.

Join Accion Labs as a Senior Network Engineer and take your career to the next level. We are seeking an experienced professional who is passionate about network design, implementation, and management. In this role, you will be responsible for overseeing the installation and configuration of network systems, ensuring optimal performance and security.Your expertise will play a crucial role in enhancing our network infrastructure, troubleshooting issues, and collaborating with cross-functional teams to deliver high-quality solutions. If you thrive in a dynamic environment and have a strong background in networking technologies, we would love to hear from you!

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.

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

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.

About k-IDk-ID stands at the forefront of privacy-first compliance and age verification infrastructure, recognized as one of TIME’s Best Inventions of 2025 and a Tech Pioneer by the World Economic Forum. As a recipient of Fast Company’s accolade for the Next Big Things in Tech, we are creating the Age Layer for the internet—a vital framework that empowers digital platforms to seamlessly verify age and manage global compliance.Our flagship platform, driven by the Compliance Development Kit (CDK) and AgeKit, serves as the trusted engine for the world’s foremost game publishers and digital ecosystems. We transform fragmented, manual compliance processes into a unified API that efficiently handles age verification, parental consent, and regulatory logic across over 200 markets. Supported by leading venture capital firms such as a16z and Lightspeed, k-ID is entering an exciting growth phase to set the benchmark for global digital safety.About the RoleWe are seeking a dynamic Senior Site Reliability Engineer to ensure k-ID's reliability at scale. This pivotal role resides within our production backbone, where you will take ownership of and enhance the systems that maintain the availability, observability, security, and resilience of our platform as we experience traffic growth and an expanding client base.You will engage in infrastructure, tooling, deployment workflows, incident response, and systems design to ensure our scalability without compromise. This position is not about closing tickets; we seek a proactive individual who can assess systems, pinpoint vulnerabilities, and fortify them. You should possess a keen understanding of failure modes, blast radius, deployment safety, recovery time, cost efficiency, and the realities of managing production systems under pressure. Comfort with coding, automating processes, and collaborating closely with engineers to enhance reliability through improved architecture and operational practices is essential.

We are seeking a skilled Level 2 Network Firewall Engineer to play a pivotal role in managing and supporting the firewall and broader network infrastructure within public healthcare environments. This position entails collaboration with Level 1 engineers and other Level 2/3 teams to ensure secure, stable, and efficient network operations across various locations.Key Responsibilities:Deliver Level 2 support for firewall and intrusion prevention systems (IPS), including setup, rule management, monitoring, and troubleshooting.Work in unison with cross-functional teams to manage network and security devices deployed across multiple healthcare campuses.Maintain and optimize firewall configurations and policies in accordance with security standards.Respond to security incidents in partnership with the security operations team, conducting root cause analysis and remediation.Support core network infrastructure, including routers, switches, and wireless controllers.Engage in change management processes and assist in root cause analysis for network or security-related issues.Ensure compliance with SLAs and contribute to regular performance and incident reporting using ITSM/ITOM tools.Take part in capacity planning and system optimization efforts for firewall and network components.Maintain comprehensive documentation for configurations, troubleshooting procedures, and network policies.

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.