622 Wireless Networking jobs in Singapore

1. Provide expert-level technical support for complex enterprise network environments
2. Design, implement, and optimize network solutions across various industries
3. Troubleshoot and resolve critical network issues, ensuring minimal downtime
4. Participate in 24/7 on-call rotation and critical network escalations
5. Perform network maintenance, including security configurations, patches, and upgrades
6. Conduct risk assessments and vulnerability reviews on network infrastructure
7. Monitor and analyze network performance, recommending improvements

1. Bachelor's degree in Cybersecurity, Computer Science, or related field
2. 2+ years of experience in information security or cybersecurity
3. Expert knowledge of security technologies (firewalls, EDR, SIEM, IAM, encryption)
4. Strong understanding of common attack vectors and defense strategies
5. Professional certifications preferred (CISSP, CEH, Security+, GIAC certifications)
6. Experience with cloud security (AWS, Azure, GCP) and container security
7. Experience with compliance frameworks and security standards

We are Lenovo. We do what we say. We own what we do. We WOW our customers.

Lenovo is a US$69 billion revenue global technology powerhouse, ranked #196 in the Fortune Global 500, and serving millions of customers every day in 180 markets. Focused on a bold vision to deliver Smarter Technology for All, Lenovo has built on its success as the world’s largest PC company with a full-stack portfolio of AI-enabled, AI-ready, and AI-optimized devices (PCs, workstations, smartphones, tablets), infrastructure (server, storage, edge, high performance computing and software defined infrastructure), software, solutions, and services. Lenovo’s continued investment in world-changing innovation is building a more equitable, trustworthy, and smarter future for everyone, everywhere. Lenovo is listed on the Hong Kong stock exchange under Lenovo Group Limited (HKSE: 992) (ADR: LNVGY).

This transformation together with Lenovo’s world-changing innovation is building a more inclusive, trustworthy, and smarter future for everyone, everywhere. To find out more visit , and read about the latest news via our StoryHub .

Key Responsibilities:

• Design and deploy functional networks (LAN, WAN, WLAN, VPN)
• Configure and install network hardware and software (e.g., routers, switches, firewalls, load balancers)
• Monitor network performance and integrity
• Troubleshoot network issues and outages
• Ensure network security and connectivity
• Perform network maintenance and system upgrades including service packs, patches, hot fixes, and security configurations
• Collaborate with network architects on network optimization
• Document network configurations and operational procedures
• Provide technical support and guidance to users and IT team members
• Conduct network performance tuning and capacity planning.
• Provide Level 2/3 support and troubleshooting to resolve issues.
• Participate in disaster recovery planning and drills.

Requirements:

• Proven experience as a Network Engineer or Network Administrator
• Hands-on experience with networking, routing, and switching
• Excellent knowledge of best practices around management, control, and monitoring of network infrastructure
• Experience with firewalls, VPNs, and network security
• Familiarity with network diagnostic, monitoring, and analysis tools (e.g., Wireshark, SolarWinds)
• Professional certifications (e.g., CCNA, CCNP, CompTIA Network+) are a plus
• Preferred Skills:
• Experience with cloud networking (AWS, Azure, GCP)
• Knowledge of scripting languages (Python, Bash) for automation
• Understanding of SD-WAN and network virtualization technologies
• Strong analytical and problem-solving skills
• Excellent communication and teamwork abilities

Additional Locations : * Singapore - Central Singapore - Singapore * Singapore - Central Singapore - SINGAPORE

If you require an accommodation to complete this application, please

Join to apply for the Network Engineer role at Internal Security Department .

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ISD confronts and addresses threats to Singapore’s internal security and stability. For over 75 years, ISD and its predecessor organisations have played a central role in countering threats such as those posed by foreign subversive elements, spies, racial and religious extremists, and terrorists. A fulfilling and rewarding career awaits those who want to join in ISD’s critical mission of keeping Singapore safe, secure and sovereign for all Singaporeans.

You will be part of a team responsible for the planning, design, project implementation, operation, and support of network infrastructure that provides end-users at different locations with secure and reliable connectivity to the organisation's wide range of applications and digital services. As a member of a technically competent team, you will be involved in delivering various network solutions to address the organisation's long-term operational needs, as well as ad-hoc requests from end-users.

• Manage end-to-end lifecycle of organisation’s network infrastructures, from planning and design to implementation and operation.
• Evaluate and implement new network solutions that enhance the capability, security, and manageability of network infrastructures.
• Participate as a member of business-specific projects, providing network consultancy and technical support during project implementation.
• Manage network infrastructure projects, including procuring network solutions, working with vendors to ensure timely completion, and engaging stakeholders through presentations or reports to provide status updates.
• Administer network equipment such as routers, firewalls, IDS, encryptors, DHCP, etc.
• Respond to and resolve network-related incidents, providing timely updates to stakeholders on findings and remediation actions.
• Monitor networks, analyze utilization trends, and offer data-driven recommendations to optimize network performance.
• Perform firmware or software updates following change management procedures.

• Degree in Computer Science, Computer Engineering, or related field; equivalent competencies are also considered.
• Minimum 2 years of relevant experience in network infrastructure operation and deployment.
• Cisco certifications such as CCNA, CCNP, or CCIE are advantageous.
• Strong knowledge of LAN, WAN, SDN, internet routing, and related network technologies.
• Experience in contract and vendor management.
• Good interpersonal and stakeholder management skills.
• Excellent written and verbal communication skills, with the ability to present effectively to both technical and non-technical audiences, including senior management.
• Highly committed and motivated, willing to work odd hours when required.
• Familiarity with Government ICT environment, policies, and standards.
• Only Singaporeans need apply.

We wish to inform you that only shortlisted candidates will be notified.

• Entry level

• Full-time

• Information Technology

• Government Administration and Industrial Machinery Manufacturing

Referrals increase your chances of interviewing at Internal Security Department by 2x.

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Join to apply for the Network Engineer role at Logicalis

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As Architects of Change, Logicalis focuses on designing, supporting, and executing clients' digital transformation by uniting their vision with our technology expertise and industry insights. We leverage our deep understanding of key IT drivers such as security, cloud, data management, and IoT to address customer priorities including revenue growth, operational efficiency, innovation, risk and compliance, data governance, and sustainability.

We strengthen our purpose: to design, support, and execute our customers' digital transformation by converging their vision with our technological expertise and industry knowledge. Our brand refresh reflects our evolution as well as our strategic growth vision.

1. Implementing network and security solutions: Responsible for configuring routers, switches, wireless devices, load balancers, and other network devices like Aruba. Handling small to mid-sized projects.
2. Troubleshooting network and security issues: Diagnosing and resolving connectivity, configuration, and network traffic issues during deployment.
3. Client management: Building and maintaining client relationships, managing expectations, and ensuring their needs are met.
4. Collaboration with other teams: Working with project managers and operations teams to ensure timely delivery.
5. Technical Documentation: Creating design and project documentation, obtaining client sign-offs.
6. Knowledge Transfer: Handing over projects to clients and internal teams.

1. Diploma, Bachelor's, or Professional Degree in Computer Science/IT or equivalent.
2. 1-5 years of experience in network design/deployment.
3. Strong knowledge of routing and switching (BGP, OSPF, MPLS, etc.).
4. Experience with wireless technologies and tools like Cisco WLC, Aruba, DNAC, Ekahau.
5. Knowledge of data center technologies (Cisco Nexus, VXLAN, ACI).
6. Understanding of firewall technologies (IPSEC, SSL VPN, Cisco ASA, Fortigate).
7. Familiarity with network access control products (Aruba Clearpass, Cisco ISE).
8. Excellent communication skills.
9. Current CCNA/CCNP certification; CCIE is a plus.

Interested applicants should submit their application with expected salary and notice period. Only shortlisted candidates will be notified.

We are committed to data protection and privacy. By applying, you agree to our data collection and processing as outlined in our Data Protection Notice .

• Seniority level: Mid-Senior level
• Employment type: Full-time
• Job function: Information Technology
• Industries: IT Services and Consulting

Virtu is a leading financial firm that leverages cutting edge technology to deliver liquidity to the global markets and innovative, transparent trading solutions to our clients. As a market maker, Virtu provides deep liquidity that helps to create more efficient markets around the world. Our market structure expertise, broad diversification, and execution technology enables us to provide competitive bids and offers in over 19,000 securities, at over 235 venues, in 36 countries worldwide.

THE ROLE

Virtu is looking for a visionary Senior Network Engineer to join our global network engineering team. In this role, you'll help to define and lead our world leading network platform to grow alongside our ever expanding trading business. You will be working at the forefront of the world’s financial markets, building connectivity across the globe, and integrating some of the most complex networks in the financial services industry.

Additional duties include:

1. Design, implement and operate Virtu's network. Whether it is investigating a new, innovative products, refreshing one of our low latency trading systems or troubleshooting with a 3rd party, you'll thrive on being impactful within a fast-moving, varied environment.
2. Transforming our way of working at scale. We know the network industry is changing, and this is your chance to make that change, collaborating with software engineers with proven track records of solving complex problems through software.

THE CANDIDATE

• Required skills:
• 5+ years of experience in network engineering
• Some Real-world network automation experience
  • Configuration Management – one of Ansible/Salt/Puppet/Chef
  • Python (or other programming languages)
• Expert in routing and switching – BGP/OSPF/Multicast
• Deep understanding of TCP/IP and the OSI model
• Good prioritization skills and the ability to effectively switch tasks on varying projects and initiatives
• Excellent communication and writing skills
• Humility
• A love of technology in general
• Highly desired skills:
• Comfortable working with various Linux utilities and different OS
• SQL
• A bachelor’s degree, preferably in IT, Computer Science or other related discipline

PERKS OF THE ROLE:

• Projects with quick life cycles, from concept to production in three months
• The opportunity to make an impact in a highly visible role within the firm
• A great place for upward and geographic mobility
• Direct exposure to the decision makers and senior leaders on the business side
• A company that’s investing a sizable amount in its technology department
• Teams that are passionate about continually learning, improving and raising the bar
• A community that values hard work as well as work-life balance

After passing an initial resume screening, candidates will be sent an online network engineering test. We look forward to meeting you.

Virtu Financial is an equal opportunity employer, committed to a diverse and inclusive workplace, welcoming you for who you are and does not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status.

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:

1. Build a fast and highly available production setup with low latencies to the exchange
2. Work closely with our traders, engineers and quantitative developers to identify and solve issues that arise
3. Design and create new technical solutions
4. 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.

Minimum Requirements:

1. High professional education thinking level
2. At least 5 years experience as a System/Network Engineer
3. At least 3 years of experience with Linux
4. Experience with Cisco (ideally CCNP) and/or Arista
5. A creative and critical mind who follows things until completion and comes up with new ideas
6. The ability to work independently and within a team of engineers across time zones
7. Eagerness to learn new things
8. A positive can-do attitude
9. Good communication skills in English, both spoken and written
10. AWS and AliCloud experience is a plus

Salt is looking for a Network Engineer for a global technology client for a yearly renewable contract role. You will be mainly dealing with the network sites in China where the products are manufactured. They will learn about the manufacturing network which is part of their wider enterprise network – deploy and maintain Meraki.

Responsibilities:

• Network Maintenance and Support: Perform routine maintenance tasks to ensure optimal network performance, including monitoring, troubleshooting, and resolving issues in a timely manner.
• Incident Response: Respond promptly to network incidents, assess the situation, and implement effective mitigation techniques to minimize downtime and impact on business operations.
• User Support: Provide exceptional support to users experiencing network-related issues, listening to their concerns, and taking necessary steps to resolve problems efficiently and effectively.
• Project Execution: Collaborate with cross-functional teams to execute network-related tasks as part of larger projects, ensuring seamless integration and minimal disruption to existing systems.

Qualification:

• 2+ years of hands-on experience with Layer 2 protocols and enhancements (LACP, L2 ECMP, 802.1d/w/s, 802.1x)
• In-depth knowledge of Layer 3 protocols (IPv4/v6, TCP, UDP) and routing protocols (OSPF, BGP, MP-BGP, MPLS) with at least 1+ year of experience
• Proficiency in stateful firewalls, non-stateful filtering and packet inspection with 1+ year of experience
• Good to have: Experience in managing AWS network services, such as VPCs, subnets, route tables security groups, and CloudWAN
• Proficient in Meraki and Juniper products
• Proficient in Mandarin.

Regret only shortlisted candidates will be notified.

CEI No: R1659595 / EA No: 07C3147

Salt is acting as an Employment Business in relation to this vacancy.

Job Information

Job Reference: JO-2505-353492

Salary: Negotiable

Salary per: month

Job Duration:

Job Start Date: 23/06/2025

Job Industries: Technology

Job Locations: Singapore

Job Types: Contract

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ob Description:

Diploma or Bachelors degree in Information Technology, Computer Science, or a related field.

1 to 3 years of experience in IT infrastructure or network support roles.

Basic understanding of network concepts (e.g., TCP/IP, routing, switching).

Willingness to work night job as network changes required to be after office hours.

Able to travel to data centres

Strong communication and coordination skills

Certifications like CCNA or basic Firewall certifications (Checkpoint, Palo Alto)

Additional Requirement

We are seeking L1 Network Engineers (maker) to join our team to support day-to-day network implementation and operations. The role focuses on executing pre-defined implementation scripts, supporting L3 engineers on-site at the data center when required, and working collaboratively to resolve network-related alarms and tickets.

Key Responsibilities

Perform network implementation tasks based on scripts and procedures provided by L3 Network Engineers.

Work schedule: 10pm to 6am

Escort and support L3 engineers during on-site data center changes and activities.

Monitor network alarms and clear tickets in coordination with L3 engineers.

Escalate circuit and connectivity issues to Telco providers and follow up on resolution.

Provide hands-on assistance in physical installations (e.g., cabling, device power-up, console access) when required.

Maintain implementation records and update documentation as instructed.

Support routine checks and operational tasks to ensure network health and availability.

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Direct message the job poster from RiDiK (a Subsidiary of CLPS. Nasdaq: CLPS)

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.

Responsibilities

• 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.

• Seniority level Mid-Senior level

• Employment type Contract

• Industries IT Services and IT Consulting

Referrals increase your chances of interviewing at RiDiK (a Subsidiary of CLPS. Nasdaq: CLPS) by 2x

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