1,147 Radio Access Network jobs in Singapore

Who are we looking for?

BlockTech is a high-paced algorithmic trading firm facilitating global trading in cryptocurrency while expanding into regulated markets. We are growing like never before and we are looking for a Senior Network Engineer who wants to join us in this exciting scale-up phase!

What will you do?

At BlockTech we build the development and production environment ourselves using mainly Free and Open Source software. This way, we are in control and able to switch tactics fast. At the same time, we have quite some systems to set up and maintain.

As a Network Engineer, you are responsible for all networks. Everything is built on top of Linux, from the workstations to the production systems using a mix of container and virtualization technologies. Because the company is growing, there is room for improvement which means that you can make a great impact by improving the current infrastructure and building new solutions.

In a nutshell, you will:

• Build a fast and highly available production setup with low latencies to the exchange
• Work closely with our traders, engineers and quantitative developers to identify and solve issues that arise
• Design and create new technical solutions
• Improve, maintain and monitor the network

What is in it for you?

• A permanent full-time position in a relaxed and trendy office located in the heart of Singapore's financial district (CBD)
• A competitive base salary combined with a very attractive bonus plan based on your performance as well as the company’s results
• Additionally, outstanding performance is rewarded with the opportunity to buy into the trading fund
• Laptop, home office budget and transportation allowance
• Breakfast and warm lunch. Additionally, snacks and drinks are provided throughout the day.
• The opportunity to use state-of-the-art technology
• Extensive in-house training program in combination with an annual learning & development budget.
• Reimbursement of gym membership, sports events, the opportunity to do sports during working hours, and unlimited access to a psychologist.
• Regular social events, including bi-annual trips abroad, frequent outings, and weekly Friday drinks
• For internationals: All-in relocation package

Our culture

At our core, we are a team of passionate trading and tech enthusiasts committed to revolutionizing trading through automation. Our collaborative approach ensures that everyone contributes to achieving our ambitious goals.

In this role, you will be both challenged and stretched, with ample opportunities for growth and development, both within and beyond your main responsibilities.

We invest in our people by offering competitive compensation and benefits, fostering innovation, and celebrating success. Our commitment to personal development transcends traditional norms; we provide an equal playing field, promote reverse leadership, and offer boundless growth opportunities for all our employees.

Join us to unlock your potential and drive innovation in the exciting world of algorithmic trading.

Requirements

• High professional education thinking level
• At least 2 years of experience as a System/Network Engineer
• At least 1 year of experience with Linux
• Experience with Cisco (ideally CCNP) and/or Arista
• An interest in Cybersecurity. This includes system and network security but also data privacy and identity anonymity.
• A creative and critical mind who follows things until completion and comes up with new ideas
• The ability to work independently and within a team of engineers
• Eagerness to learn new things
• A positive can-do attitude
• Good communication skills in English, both spoken and written
• AWS experience is a plus

We’re looking for a curious and hands-on Network Engineer eager to build and improve a high-performance, low-latency infrastructure. You'll play a pivotal role in designing, maintaining, and monitoring Linux-based systems and networks, ensuring seamless operations in a fast-moving trading environment. If you thrive on autonomy, open-source technologies, and making a tangible impact, this opportunity is built for you.

Location: Singapore

Department: Tech

Overview

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• Design, configure, and manage LAN, WAN, VPN, and wireless networks.
• Monitor network performance and troubleshoot to ensure high availability.
• Implement security measures including firewalls, IDS/IPS, and access controls.
• Maintain and upgrade network hardware, software, and systems.
• Collaborate with IT and cross-functional teams on network-related projects.
• Document network configurations, procedures, and changes.
• Provide technical support and guidance to internal teams.

• Bachelor’s degree in Computer Science, IT, or related field (or equivalent experience).
• Hands-on experience with Cisco, Juniper, or similar network technologies.
• Strong knowledge of TCP/IP, DNS, DHCP, routing, and switching.
• Proficient with network monitoring and management tools.
• Understanding of network security best practices.
• Certifications such as CCNA, CCNP, or CompTIA Network+ are required.

• Seniority level: Associate
• Employment type: Full-time
• Job function: Information Technology
• Industries: Information Services, Technology, Information and Media, and Engineering Services

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Scope of Responsibility

The Network Engineer (CCNP) will be responsible for the planning, project management and deployment, administration and operations support for network to ensure that systems, services and applications are performing optimally to meet customer, user, and company expectations.

• Minimum of 5 years’ experience in supporting, maintaining and implementing Network and/or Data Centre Facilities Management (Cisco/Alcatel/Juniper Inter-Networking Solutions) technical administration and support.
• Excellent understanding of common network technologies, including TCP/IP, IPsec, VRRP, HSRP, SNMP, NAT, Multicast, Sub-netting, Ethernet, Access-lists.
• In-Depth Working Knowledge and understanding of the following routing protocols: BGP, OSPF, EIGRP, ISIS, MPLS.
• Familiar with the setup and configuration of network security devices such as firewalls, wan optimisers, virtual private networks and authentication servers etc.
• Proven working knowledge, implementation and administration experience of high availability Network Security devices (E.g. Checkpoint, Cisco Firepower, SRX, Palo)
• Proven knowledge of DNS, time synchronisation, Proxy, F5 Load Balancers, Infoblox
• Proven knowledge in switch and router configuration, including storage switch configurations
• Monitor & measure the performance & availability of network devices proactively; implement corrective actions identified to improve performance & service level availability and capacity planning.
• Experience on the various Network Management platforms (E.g. MRTG, Cisco ISE, Algosec etc.)
• Minimum of 5 years’ experience in managing vendors in terms of procurement, writing and managing RFQ/RFP, project management, problem resolutions.
• Managed network projects successfully with proven track records.
• Working knowledge of DRP (disaster recovery plan) and BCP (business continuity plan)

• Working experience in the IT support for critical trading environment
• ITIL foundation certified
• Knowledge of data centre facility management (24 x 7): structured cabling, data centre physical architecture (power, grounding, cooling, cabling, fire protection, rack/physical layout, physical security management)

• Degree in IT or engineering or equivalent.
• Minimally possess technical network certification (CCNP-Routing and Switching and Data Centre) or higher

Overview

RiDiK is a global technology solutions provider and a subsidiary of CLPS Incorporation (NASDAQ: CLPS), delivering cutting-edge end-to-end services across banking, wealth management, and e-commerce. With deep expertise in AI, cloud, big data, and blockchain, we support clients across Asia, North America, and the Middle East in driving digital transformation and achieving sustainable growth. Operating from regional hubs in 10 countries and backed by a global delivery network, we combine local insight with technical excellence to deliver real, measurable impact. Join RiDiK and be part of an innovative, fast-growing team shaping the future of technology across industries.

• Knowledge of network routing and switching concepts and protocols including BGP, TCP/IP, VLAN, ISIS, OSPF, and MPLS.
• Comfortable accomplishing basic tasks from Linux/Unix command line interface.
• Demonstrated ability to analyse complex situations and utilize troubleshooting skills, systems and tools, and creative problem-solving abilities under pressure.
• Experience with Service Provider network hardware platforms and architectures including routers/switches and data center switching platforms is preferred (Good to have).
• Experience with field-based work in data centers.

• Mid-Senior level

• Contract

• IT Services and IT Consulting

We are seeking an experienced Cloud Network Specialist to join our global support team. The ideal candidate will be a Subject Matter Expert (SME) with deep expertise in cloud networking, routing & switching, and hyperscaler integrations. You will be responsible for resolving complex technical issues, leading incident calls, and ensuring seamless network operations across global infrastructures in a Follow-the-Sun support model .

Key Responsibilities

• Manage and resolve tickets/incidents via ServiceNow platform.
• Act as a technical SME and lead critical incident calls.
• Troubleshoot and provide break-fix support for network and cloud-related issues.
• Perform root cause analysis (RCA) for recurring issues and recommend preventive measures.
• Drive and implement process improvements , ensuring adherence to defined standards.
• Take shared ownership of SLA-driven incident resolution .
• Mentor and train junior team members as a technical guide/SME .
• Conduct testing, auditing, and capacity planning for on-prem and cloud components.
• Maintain and improve customer and employee satisfaction by delivering high-quality support.
• Strong expertise in Routing & Switching (BGP, OSPF, EIGRP, QoS, MPLS, WAN).
• Hands-on with AWS (Advanced Networking, Cloud Architect) and Azure network components .
• Experience with AWS native load balancers and hyperscaler integration with on-prem DCs .
• Knowledge of SD-WAN (Viptela – Vmanage, VSmart, VBond, VEdge) .
• Switching technologies: Cisco/Arista (STP, HSRP, SVI, EtherChannel, Stackwise, VSS, Nexus) .
• Wireless LAN – Cisco and Aruba.
• Cisco Meraki (MS and MX Series).
• F5 Virtual Load Balancers .

Qualifications

• 10+ years of experience as a Network Engineer supporting global infrastructures .
• Proven experience in deploying/supporting virtual devices and cloud-hyperscaler network environments .
• Cisco CCIE and other industry-recognized certifications.
• Strong expertise in LAN/WAN architectures and IP services .
• Expert-level skills in real-time troubleshooting, optimization, and documentation .
• Proficient in debugging with Wireshark and resolving complex routing issues.
• Hands-on with:
• Cisco ASR, ISR, Catalyst , and Nexus (9K/7K/5K/2K) series.
• Cisco SD-WAN solutions.
• F5 load balancers .

Soft Skills

• Excellent verbal and written communication skills (English) .
• Ability to lead high-pressure real-time incident calls involving customers and vendors.
• Strong customer-handling skills with a problem-solving mindset.
• Ability to thrive under pressure and deliver solutions effectively.

Certifications (Preferred/Required)

• CCIE (Mandatory) .
• AWS Certified Advanced Networking / Solutions Architect .
• Microsoft Azure Certification (Networking/Solutions Architect) .
• F5-CSE / F5-CTS .
• ITIL v4 Foundation .

Job Description

Configure & Administer Networks

• Update network diagrams and documentation for design and planning of network communication systems
• Determine impact of network requirements on existing architecture, work processes and systems
• Draft technical documents for processes, technology and devices
• Assist in determining infrastructure systems specifications, input/output (I/O) processes and working parameters for hardware and/or software compatibility
• Configure, test, automate, integrate, model and analyse the Software Defined Network (SDN) infrastructure within the IT ecosystem
• Provide suggestions on the direction for Local Area Network (LAN) and/or Wide Area Network (WAN), internet, wireless and remote access services
• Participate in technical design reviews of applicable solutions

Optimise Network Utilisation & Performance

• Consolidate network data based on key parameters or metrics
• Assist in the development of capacity planning models, load-balance and/or redundancy solutions
• Administer tuning of networks for optimisation
• Review facility bandwidth requirements and system inter-dependencies
• Document network activities in accordance with organisational policies
• Monitor network activity and log technical issues
• Maintain awareness of emerging software and/or hardware solutions

Support Network Operations

• Conduct regular maintenance, patches and upgrades to the network
• Prepare technical specifications and documents to procure network equipment
• Perform routine backups and administer disaster recovery protocols
• Assist in the development of disaster recovery plans

Manage Network Security

• Monitor indicators of compromise or breach in network security
• Track and document network security incidents
• Configure network security across software and/or hardware components
• Coordinate and configure network access and controls

Resolve Network Incidents

• Classify and prioritise network incidents for troubleshooting
• Document network incidents and resolution methods
• Troubleshoot, diagnose and resolve network issues

Requirements

• Bachelor's Degree in any IT studies - Computer Engineering / Computer Science/ Information Technology
• At least 5 years of experience is preferred in IT network deployment and maintenance
• Advantage to have ITIL certification
• Must have at least CCNA or equivalent certification, advantage to have CCNP
• Possess IT network project management skill with technical knowledge in IT network
• Candidate with strong network troubleshooting skill will be an advantage
• Open to be on 24/7 standby

Responsibilities

• Develop automation and processes to enable teams to deploy, manage scale and monitor their applications in data centres and in cloud
• System troubleshooting and problem solving across platform and application domains, participate in on-call escalations to troubleshoot customer-facing issues
• Take ownership of end-to-end solutions provided by teams across the organisation
• Deploy and manage monitoring tools of infrastructure performance, utilisation and health to ensure system availability and reliability
• Implement configuration management system for business continuity management and automate disaster recovery measures
• Implement security practices that comply with standards to protect the organisation's data and infrastructure

• Experience Required: 4-8 years
• Location: Singapore
• Excellent knowledge of fundamentals such as IPv4/IPv6 addressing, VLAN, switching and routing configurations
• Application performance management using load balancers, server operating systems (Windows and Linux), networking and OSI layer protocols
• Experience in designing, implementing, operating and troubleshooting networking devices and technologies (Structured Cabling, WAN, LAN, Network Security, Wireless and Voice) in standardised operating environments
• Experience with one or more provisioning tools for network infrastructure such as Ansible, Vagrant, Docker, Puppet to manage configurations using automation
• Skills essential for the role: Firewall/IDS/IPS rules optimisation, load balancing of applications, network devices configuration & hardening, NAT, DNS, DHCP and wireless network health management
• Understanding of security concepts such as Network Access Control (NAC), Public Key Infrastructure (PKI), cybersecurity threats and mitigations, Content Delivery Network (CDN)
• Understanding of networking technologies such as Software-Defined Infrastructure (SD-WAN, Open vSwitch, VXLAN, OpenFlow, OpenStack and CloudStack), Network Functions Virtualization, Secure Access Service Edge (Zero Trust Network Access, Cloud Access Security Broker)

• Mid-Senior level

• Full-time

• Industries: IT Services and IT Consulting

Are you passionate about networking, infrastructure, and IT systems? Join our Singapore team as a Network Engineer and ensure reliable, secure, and high-performance network operations across our organization.

Key Responsibilities:

• Design, implement, and maintain network infrastructure including LAN, WAN, and VPN systems
• Monitor network performance, troubleshoot issues, and optimize connectivity
• Configure and maintain network devices such as routers, switches, and firewalls
• Collaborate with IT and cross-functional teams to support business requirements
• Implement security protocols, updates, and best practices for network systems
• Document network configurations, procedures, and incident reports
• Assist with network upgrades, migrations, and new technology deployments

Requirements:

• Bachelor’s degree in Computer Science, Information Technology, Networking, or related field (or equivalent experience)
• Some experience in network administration, support, or engineering preferred
• Knowledge of networking protocols, devices, and security best practices
• Experience with monitoring tools, firewalls, and troubleshooting network issues
• Strong analytical, problem-solving, and organizational skills
• Excellent communication skills in English (written and verbal)
• Detail-oriented, proactive, and able to work collaboratively in an on-site environment
• Must have the legal right to work in Singapore (Singaporean / PR / valid work pass)

What We Offer:

• On-site role in a collaborative IT environment
• Competitive Singapore salary and benefits package
• Mentorship, training, and career growth opportunities
• Inclusive, supportive, and international work culture
• Exposure to cutting-edge network technologies and infrastructure projects

We are an equal opportunities employer and welcome applications from all qualified candidates.

Responsibilities

• Hands-and-legs support (onsite troubleshooting, hardware support, etc.)
• Experience in handling escalations and direct coordination with CISCO
• Warmbody support, with day-to-day operational readiness
• Prior experience in maintenance and network incident management

• Certification: CCNA / CCNP

Entry level

Full-time

• Information Technology

• IT Services and IT Consulting