1,148 Network Protocols jobs in Singapore

We are seeking an experienced Senior Quality Assurance Engineer to lead the development and implementation of automated testing framework for our Lightway VPN protocol, which is implemented using Rust. In this role, you will be responsible for ensuring the quality, performance, and security of both the Lightway client and server by building scalable and efficient automated tests. Your work will directly contribute to the quality of our VPN service and help ensure that our Lightway protocol is secure, reliable, and performant across different environments and network conditions.

• Automated Testing Frameworks:
  
  Design, develop, and maintain automated testing frameworks specifically for the Lightway VPN protocol built in Rust across multiple platforms (Windows, Linux, macOS, iOS, and Android). Ensure that automated tests cover all aspects of the protocol, including client-server interactions, encryption, connection stability, and performance.
• End-to-End Automation:
  
  Build and automate end-to-end test cases to validate the complete functionality of the Lightway VPN protocol. This includes creating tests for various networking scenarios, failover handling, and performance under load.
• Security Testing:
  
  Develop and execute security tests to assess potential vulnerabilities in the Lightway protocol. Ensure that encryption, authentication, and other security mechanisms are thoroughly validated and perform to the highest industry standards.
• Performance Testing:
  
  Conduct performance and stress testing to validate the protocol's scalability, stability, and resource usage. Simulate high traffic loads, variable network conditions, and large-scale deployments to identify bottlenecks and optimize performance.
• CI/CD Integration:
  
  Integrate the automated test suite into our CI/CD pipeline, enabling continuous testing with every code change. Ensure that testing is fully automated as part of the development and release process, reducing manual effort and improving release velocity.
• Collaboration with Development Teams:
  
  Collaborate closely with the Rust development team to understand protocol requirements, identify test coverage gaps, and ensure alignment with the product's quality goals. Provide feedback and recommendations on code quality, testability, and design.
• Documentation and Reporting:
  
  Create and maintain detailed documentation on the test strategy, test cases, results, and best practices for automated testing. Regularly report test coverage, defects, and any risks or concerns to stakeholders.
• Continuous Improvement:
  
  Continuously evaluate and improve the test automation framework, ensuring it remains scalable and adaptable to future protocol enhancements or changes. Stay up-to-date on the latest testing tools, best practices, and Rust-related testing techniques.

• Education:
  
  Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent work experience.
• Experience:
  • 5+ years of experience in Quality Assurance and Automated Testing of Network protocols.
  • Experience testing networking protocols (VPN, TCP/IP, DNS, HTTP/HTTPS).
  • Proven experience with automated testing tools (e.g., Selenium, JUnit, TestNG, pytest, Rust-based testing frameworks).
  • Familiarity with CI/CD pipelines and testing in an Agile environment.
• Technical Skills:
  • Programming/Scripting languages: Strong proficiency in scripting languages (e.g., Python, Bash).
  • Deep understanding of networking technologies (e.g., VPNs, IPSec, TLS, HTTP/HTTPS).
  • Experience with performance testing tools.
  • Familiarity with version control systems (e.g., Git).
• Security & Compliance Knowledge:
  
  Experience with security testing practices and tools, including assessing encryption, authenticity, and confidentiality in network protocols.
• Problem-Solving & Analytical Skills:
  
  Strong ability to analyze complex issues and design effective automated test solutions, especially for low-level networking and protocol implementations.
• Communication Skills:
  
  Excellent verbal and written communication skills to effectively report issues, write clear test documentation, and collaborate with development and management teams.

• Attention to Detail:
  
  High attention to detail, ensuring that all edge cases, security vulnerabilities, and performance bottlenecks are identified and addressed.
• Collaboration & Teamwork:
  
  Strong ability to work in a cross-functional environment with developers, product managers, and other teams to achieve shared goals and improve the product.
• Critical Thinking:
  
  Logical and analytical thinking with a focus on solving complex problems and optimizing testing approaches for a high-performance system like Lightway.

• Innovative Product: Work on Lightway, a cutting-edge, open-source VPN protocol built in Rust, which focuses on speed, security, and reliability.
• Career Growth: As a key member of a fast-growing team, you'll have plenty of opportunities to learn, grow, and contribute to high-impact projects.
• Collaborative Environment: Join a talented team of developers, and security experts working together to improve the state of online privacy and security.
• Competitive Compensation & Benefits: Competitive salary, comprehensive benefits, flexible work schedules, and remote work options.

Job Title:
Senior QA Engineer – Automated Testing (Lightway Protocol in Rust)
Location:
Singapore
Department:
Quality Assurance
Job Summary:
We are seeking an experienced
Senior Quality Assurance Engineer
to lead the development and implementation of
automated testing framework
for our
Lightway VPN protocol , which is implemented using
Rust . In this role, you will be responsible for ensuring the quality, performance, and security of both the
Lightway client and server
by building scalable and efficient automated tests. Your work will directly contribute to the quality of our VPN service and help ensure that our Lightway protocol is secure, reliable, and performant across different environments and network conditions.
Key Responsibilities:
Automated Testing Frameworks:
Design, develop, and maintain
automated testing frameworks
specifically for the
Lightway VPN protocol
built in
Rust
across multiple platforms (Windows, Linux, macOS, iOS, and Android). Ensure that automated tests cover all aspects of the protocol, including client-server interactions, encryption, connection stability, and performance.
End-to-End Automation:
Build and automate
end-to-end test cases
to validate the complete functionality of the Lightway VPN protocol. This includes creating tests for various networking scenarios, failover handling, and performance under load.
Security Testing:
Develop and execute
security tests
to assess potential vulnerabilities in the Lightway protocol. Ensure that encryption, authentication, and other security mechanisms are thoroughly validated and perform to the highest industry standards.
Performance Testing:
Conduct
performance and stress testing
to validate the protocol’s scalability, stability, and resource usage. Simulate high traffic loads, variable network conditions, and large-scale deployments to identify bottlenecks and optimize performance.
CI/CD Integration:
Integrate the automated test suite into our
CI/CD pipeline , enabling continuous testing with every code change. Ensure that testing is fully automated as part of the development and release process, reducing manual effort and improving release velocity.
Collaboration with Development Teams:
Collaborate closely with the Rust development team to understand protocol requirements, identify test coverage gaps, and ensure alignment with the product’s quality goals. Provide feedback and recommendations on code quality, testability, and design.
Documentation and Reporting:
Create and maintain detailed documentation on the test strategy, test cases, results, and best practices for automated testing. Regularly report test coverage, defects, and any risks or concerns to stakeholders.
Continuous Improvement:
Continuously evaluate and improve the test automation framework, ensuring it remains scalable and adaptable to future protocol enhancements or changes. Stay up-to-date on the latest testing tools, best practices, and Rust-related testing techniques.
Qualifications:
Education:
Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent work experience.
Experience:
5+ years of experience in
Quality Assurance
and
Automated Testing of Network protocols .
Experience testing
networking protocols
(VPN, TCP/IP, DNS,
Proven experience with
automated testing tools
(e.g.,
Selenium ,
JUnit ,
TestNG ,
pytest ,
Rust-based testing frameworks ).
Familiarity with
CI/CD pipelines
and testing in an Agile environment.
Technical Skills:
Programming/Scripting languages:
Strong proficiency in scripting languages (e.g.,
Python ,
Bash ).
Deep understanding of
networking technologies
(e.g.,
VPNs ,
IPSec ,
TLS ,
).
Experience with
performance testing tools .
Familiarity with
version control systems
(e.g.,
Git ).
Security & Compliance Knowledge:
Experience with
security testing
practices and tools, including assessing
encryption ,
authenticity , and
confidentiality
in network protocols.
Problem-Solving & Analytical Skills:
Strong ability to analyze complex issues and design effective automated test solutions, especially for low-level networking and protocol implementations.
Communication Skills:
Excellent verbal and written communication skills to effectively report issues, write clear test documentation, and collaborate with development and management teams.
Key Competencies:
Attention to Detail:
High attention to detail, ensuring that all edge cases, security vulnerabilities, and performance bottlenecks are identified and addressed.
Collaboration & Teamwork:
Strong ability to work in a cross-functional environment with developers, product managers, and other teams to achieve shared goals and improve the product.
Critical Thinking:
Logical and analytical thinking with a focus on solving complex problems and optimizing testing approaches for a high-performance system like
Lightway .
Why Join Us?
Innovative Product:
Work on
Lightway , a cutting-edge, open-source VPN protocol built in
Rust , which focuses on speed, security, and reliability.
Career Growth:
As a key member of a fast-growing team, you'll have plenty of opportunities to learn, grow, and contribute to high-impact projects.
Collaborative Environment:
Join a talented team of developers, and security experts working together to improve the state of online privacy and security.
Competitive Compensation & Benefits:
Competitive salary, comprehensive benefits, flexible work schedules, and remote work options.
#LI-PS1
#J-18808-Ljbffr

We are seeking an experienced Senior Quality Assurance Engineer to lead the development and implementation of automated testing framework for our Lightway VPN protocol , which is implemented using Rust . In this role, you will be responsible for ensuring the quality, performance, and security of both the Lightway client and server by building scalable and efficient automated tests. Your work will directly contribute to the quality of our VPN service and help ensure that our Lightway protocol is secure, reliable, and performant across different environments and network conditions.

• Automated Testing Frameworks:
  Design, develop, and maintain automated testing frameworks specifically for the Lightway VPN protocol built in Rust across multiple platforms (Windows, Linux, macOS, iOS, and Android). Ensure that automated tests cover all aspects of the protocol, including client-server interactions, encryption, connection stability, and performance.
• End-to-End Automation:
  Build and automate end-to-end test cases to validate the complete functionality of the Lightway VPN protocol. This includes creating tests for various networking scenarios, failover handling, and performance under load.
• Security Testing:
  Develop and execute security tests to assess potential vulnerabilities in the Lightway protocol. Ensure that encryption, authentication, and other security mechanisms are thoroughly validated and perform to the highest industry standards.
• Performance Testing:
  Conduct performance and stress testing to validate the protocol’s scalability, stability, and resource usage. Simulate high traffic loads, variable network conditions, and large-scale deployments to identify bottlenecks and optimize performance.
• CI/CD Integration:
  Integrate the automated test suite into our CI/CD pipeline , enabling continuous testing with every code change. Ensure that testing is fully automated as part of the development and release process, reducing manual effort and improving release velocity.
• Collaboration with Development Teams:
  Collaborate closely with the Rust development team to understand protocol requirements, identify test coverage gaps, and ensure alignment with the product’s quality goals. Provide feedback and recommendations on code quality, testability, and design.
• Documentation and Reporting:
  Create and maintain detailed documentation on the test strategy, test cases, results, and best practices for automated testing. Regularly report test coverage, defects, and any risks or concerns to stakeholders.
• Continuous Improvement:
  Continuously evaluate and improve the test automation framework, ensuring it remains scalable and adaptable to future protocol enhancements or changes. Stay up-to-date on the latest testing tools, best practices, and Rust-related testing techniques.

• Education:
  Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent work experience.
• Experience:
  • 5+ years of experience in Quality Assurance and Automated Testing of Network protocols .
  • Experience testing networking protocols (VPN, TCP/IP, DNS, HTTP/HTTPS).
  • Proven experience with automated testing tools (e.g., Selenium , JUnit , TestNG , pytest , Rust-based testing frameworks ).
  • Familiarity with CI/CD pipelines and testing in an Agile environment.
• Technical Skills:
  • Programming/Scripting languages: Strong proficiency in scripting languages (e.g., Python , Bash ).
  • Deep understanding of networking technologies (e.g., VPNs , IPSec , TLS , HTTP/HTTPS ).
  • Experience with performance testing tools .
  • Familiarity with version control systems (e.g., Git ).
• Security & Compliance Knowledge:
  Experience with security testing practices and tools, including assessing encryption , authenticity , and confidentiality in network protocols.
• Problem-Solving & Analytical Skills:
  Strong ability to analyze complex issues and design effective automated test solutions, especially for low-level networking and protocol implementations.
• Communication Skills:
  Excellent verbal and written communication skills to effectively report issues, write clear test documentation, and collaborate with development and management teams.

• Attention to Detail:
  High attention to detail, ensuring that all edge cases, security vulnerabilities, and performance bottlenecks are identified and addressed.
• Collaboration & Teamwork:
  Strong ability to work in a cross-functional environment with developers, product managers, and other teams to achieve shared goals and improve the product.
• Critical Thinking:
  Logical and analytical thinking with a focus on solving complex problems and optimizing testing approaches for a high-performance system like Lightway .

• Innovative Product: Work on Lightway , a cutting-edge, open-source VPN protocol built in Rust , which focuses on speed, security, and reliability.
• Career Growth: As a key member of a fast-growing team, you'll have plenty of opportunities to learn, grow, and contribute to high-impact projects.
• Collaborative Environment: Join a talented team of developers, and security experts working together to improve the state of online privacy and security.
• Competitive Compensation & Benefits: Competitive salary, comprehensive benefits, flexible work schedules, and remote work options.

Computational Communication Specialist

We are seeking an accomplished professional to lead our computational communication efforts. This role involves leveraging data science and analytics to drive strategic decision-making and enhance research capabilities.

This is a tenure-track position that requires expertise in one or more areas, including media studies, visual communication, science communication, cultural studies, and computational communication. The ideal candidate will have experience with computational techniques using R or Python and the ability to teach courses in computational communication, social media research, network analysis, and/or time series analysis.

• Leverage data science and analytics to drive strategic decision-making and enhance research capabilities.
• Develop and implement computational communication strategies to meet organizational goals.
• Collaborate with cross-functional teams to design and deliver data-driven solutions.
• Teach courses in computational communication, social media research, network analysis, and/or time series analysis.
• Maintain expertise in emerging trends and technologies related to computational communication.

The ideal candidate will have a PhD in Communication or closely related discipline by date of appointment, with a specialisation in methods for digital data collection, analytics, and/or visualisation. Evidence of excellence in computational communication research and teaching is essential.

This role offers a competitive remuneration package, including medical, housing, relocation, and other benefits. Significant research start-up funding is available, enabling you to pursue innovative projects and collaborations.

Interested applicants should submit their application directly through our career portal. Application dossiers should include a brief cover letter, comprehensive CV, research statement, and two signature publications. A list of six references should be provided, highlighting your achievements and qualifications in computational communication research and teaching.

Avensys Services is a reputed global IT professional services company headquartered in Singapore. Our service spectrum includes enterprise solution consulting, business intelligence, business process automation and managed services. Given our decade of success we have evolved to become one of the top trusted providers in Singapore and service a client base across banking and financial services, insurance, information technology, healthcare, retail, and supply chain.

We are currently looking to hire Network Engineer . This is an exciting opportunity to expand your skill set, achieve job satisfaction and work-life balance.

• Gather business and/or application requirements on the infrastructure to plan, design, install, test & implement systems in accordance with the specifications & service level.
• Aligned or enhanced ITSM/ITIL methodologies in daily operations e.g. Change, Incident, problem, release management & CMDB.
• Monitor & measure the performance & availability of systems proactively; implement corrective actions identified to improve performance & service level availability.
• Respond promptly to incident, root cause analysis & provide temporary and/or permanent resolution of incidents escalated. Provide timely status updates to relevant parties.
• Implement service continuity measures, i.e., backup/restore procedures & disaster recovery plan, to ensure continuous operation of the business.
• Create and maintain comprehensive documentation for all implemented networks.
• Assist in preparation of proposals and solution presentations.
• Able to lead a team of network engineers (size).
• Attain key certifications for partnership with key vendors.

You will be remunerated with an excellent base salary and entitled to attractive company benefits. Additionally, you will get the opportunity to enjoy a fun and collaborative work environment, alongside a strong career progression.

To submit your application, please apply online or email your UPDATED CV in Microsoft Word format to . Your interest will be treated with strict confidentiality.

Consultant Name: Deepa Shivakoti

Reg No: R

Avensys Consulting Pte Ltd
EA Licence 12C5759

Privacy Statement: Data collected will be used for recruitment purposes only. Personal data provided will be used strictly in accordance with the relevant data protection law and Avensys' privacy policy.

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

Get AI-powered advice on this job and more exclusive features.

• 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

Note: Referrals increase your chances of interviewing at Talentsis Pte Ltd. Get notified about new Network Engineer jobs in Singapore, Singapore .

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