658 Fiber Optics jobs in Singapore

Responsibilities

• Provide hardware/software break-fix support for business-critical systems across various industries, including Hospitality, Healthcare, Government, and Financial sectors.
• Troubleshoot and resolve network issues reported by managed service agents, identifying root causes and implementing timely solutions.
• Lead and deliver Tech-Refresh projects, ensuring timely completion.
• Mentor and provide guidance to junior team members.
• Participate in a 24/7 rotational standby duty for P1/P2 escalations after office hours, including weekends and public holidays.
• Design and implement new network solutions and/or optimize the efficiency of current networks.
• Monitor, troubleshoot, and maximize network performance through ongoing maintenance and optimization.
• Deliver Client Success key account services, including change requests, preventative maintenance, and standby support.
• Perform network maintenance and system upgrades including certificate updates, patches, hot fixes and security configurations.
• Performing Risk Assessment and bug scrub reviews on reported security network vulnerabilities from vendor products.
• Report network status and performance to key stakeholders.

• Minimum of 4 years of relevant experience in network support operations for large-scale network infrastructure.
• Strong knowledge of network technologies, including routing, switching, firewalls, FTTH access networks, SASE, and SD-WAN.
• Proficient in configuring firewalls, routing & switching and wireless network to maximize network efficiency and security.
• Proven expertise in core switching and routing (CCNP/CCIE certification preferred).
• Hands-on experience with Firewall/Security technologies (Palo Alto, Fortinet, Cisco, SASE, SD-WAN).
• Practical experience with Huawei NCE Campus/Fabric solutions.(HCIP/HCIE preferred)
• Good project management, configuration, troubleshooting skills
• Good customer interaction, written and oral communication skills
• Ability to work with all levels, and ability to work and contribute in a team or individually

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

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.

Job Description:

1. Oversees projects management and implementation;
2. Codify implementation design into documented for end user's record;
3. Conduct training and presentation for team members and end-users;
4. Provide technical testing or support to pre-sales engineer/customer on the network setup;
5. Assist on technical communications with customer/partner, to ensure closure of sales order;
6. Ensuring that the solution can deliver on the customer’s requirements;
7. Work closely with Level 2 support, if case issue is escalated to Level 3;
8. Maintain rapport with customers and competence in managing vendors; and
9. Any other ad-hoc duties assigned.

Job Requirement:

• Degree/Diploma in IT Networking or equivalent
• At least 2 years of work experience in a SI or distributor environment with network security skillset
• Good IT knowledge in OSI 7 Layer, TCP/IP, LAN/WAN technologies and network security
• Ability to work under pressure with minimal supervision
• Excellent in communication and analytical skill
• Experience in network security projects implementation
• Positive working attitude and a good team player
• Willing to work extended office hours and after office hours when needed
• Exposure to security solution such as Firewall, local balancer or endpoint protection will be an added advantage

Summary of Job Role

To design, implement, maintain, and troubleshoot network to support business activities of TPFC and its subsidiaries.

Key Responsibilities

1. Install, configure, upgrade and administer Alcatel Lucent wired and wireless network AP, controllers and management modules.
2. Manage and administer Peplinks, Radware Network Load Balancers, HP Aruba ClearPass 802.1x authentications.
3. Perform network troubleahooting issue. Identification and resolution, network devices firmware patching, bug fixes and upgrading.
4. Perform regular network performance monitoring to identify any possible performance issue.
5. Doxument and maintain all network configurations, setup and inventory and SOP.
6. Work closely and provide technical support to other IT teams as required.
7. Assist Head IT Infrastructure and Operaions to implement and carry out regular disaster recovery procedures.
8. Assist Head, IT Infrastructure and Operations to manage and monitor vendor managed services and ensure SLAs are met in accordnance with the underpinning contracts.

Job Requirements

1. Advance Diploma or University degree in the field of Computer Science, Information Systems or Software Engineering, and/or 2-4 years or more equivalent work experience.
2. Possess any of the certifications: CCNA or Alcaltel Lucent certified network specialist.
3. Minimum 3 years of experience in management and technical support of day-to-day, onsite wired and wireless network setup in a corporate environment.
4. Strong knowledge of network protocols (TCP / IP, BGP and OSPF) and network architecture principles.
5. Experience and / or knowledge in network configuration in virtualized infrastructure and monitoring tools.
6. Experience in cloud network concepts and technologies such as Azure and AWS.
7. 2 years of experience and / or good knowledge in incidents and service request management within ITIL frameworks.
8. Experience in monitoring and managing support issues at site to identify patterns and common issues thus to improve overall reliability and quality of services.
9. Understand IT technical concepts and able to communicate to technical and non-technical audiences.
10. Excellent analytical and problem solving skills.
11. Excellent customer facing qualities with flexible, can-do attitude.
12. Strong people and vendor management and task oriented.

Be Part of Our New Team and Lead the Way

NetXpose PTE Ltd is growing, and we’re looking for driven professionals to shape the future of our network and security operations. Join us and take the lead in designing, implementing, and optimizing cutting-edge solutions.

As a Network Engineer, you will:

• Design & Support – Play a pivotal role in designing, implementing, and maintaining our IT network infrastructure.

• Expertise in Networking – Leverage advanced knowledge of WAN, LAN/WLAN, and routing protocols like OSPF and BGP.

• Work with Top Vendors – Gain hands-on experience with Cisco, Fortinet, Mikrotik, HPE Aruba, Dell, and other industry leaders.

• Performance Optimization – Ensure network systems meet reliability and performance standards.

• Troubleshooting & Consulting – Solve complex network issues and support pre-sales efforts with expert consulting.

• Mentorship – Guide and support junior network and security engineers.

• Documentation & Security – Maintain detailed network diagrams and enforce robust security and backup strategies.

• DevOps – Learn your way around DevOps engineering for networking.

Updated Knowledge – Stay ahead with the latest trends in IT networking.

Experience & Education – At least 4 years of network engineering experience with a degree in Computer Science or related fields.

Previous GCC Experience – Candidates must have proven hands-on experience in designing, deploying, and supporting systems on the Singapore Government Commercial Cloud (GCC).

Certifications – Preferred: Cisco CCIE (Routing & Switching), Fortinet NSE5+, CCNP.

Problem-Solving Mindset – Ability to analyze and resolve complex network challenges.

Team Player – Strong collaboration and communication skills in a dynamic environment.

Innovative & Driven – Passionate about adopting new technologies and tackling challenges head-on.

Ready to join NetXpose PTE Ltd? Submit your CV and application today and become part of a team that values growth, innovation, and success.

Provide post-sales installation and technical support to clients.

Competent in Microsoft Windows Server Operating System, TCP/IP, DNS, and troubleshooting of system issues.

Analyze requirements and perform network solutioning, planning, installation and setup of network systems.

Installation and configure cloud services like Microsoft 365, Microsoft Azure, Acronis Cloud and Sophos Cloud Service.

Provide network operation support, problem isolation, and troubleshooting for network incidents.

1. Min. Diploma or Bachelor’s degree in Computer Sciences, Information Technology or a related field preferred.
2. Min. 2 year of relevant experience operating in a similar role.
3. Required Skill(s): Cisco Networking, Fortinet Firewall, Windows Server, Virtualization.
4. Strong foundation in network knowledge.
5. Able to work independently and without supervision, and meticulous.
6. Strong troubleshooting and analytical skills.
7. May be required to provide on-call support.
8. Has passion for IT technology, driven and willingness to learn new technologies in a fluid and fast-paced environment.
9. Good interpersonal and communication skills to interact effectively at all levels.

Job Summary:

You will be responsible for the design, implementation, and ongoing support of network infrastructure based on project tender requirement, ensuring the availability, performance, and security of network systems. You will work closely with project teams to troubleshoot and resolve networking issues, implement network improvements, and help optimize the network environment to deliver projects successfully. The role requires hands-on experience with network hardware, software, and protocols.

Key Responsibilities:

• Network Design & Implementation:

  • Design, configure, and deploy network infrastructure solutions, VNET, including LAN/WAN, wireless, VPN, etc.

  • Plan and implement network appliances upgrades and new installations based on company needs and industry best practices.

• Network Monitoring & Troubleshooting:

  • Continuously monitor the network to ensure optimal performance and reliability.

  • Diagnose and resolve network issues, including connectivity, performance, and security problems.

  • Perform proactive network health checks and capacity planning.

• Security Management:

  • Implement and maintain network security protocols, including firewalls, VPNs, IDS/IPS, and network segmentation.

  • Collaborate with the cybersecurity team to safeguard network infrastructure against external and internal threats.

  • Integrate network security management such as AD, MFA authenticator, Clearpass, ESXi, PMP, PIM, PAM, ELA, SIEM, SEM, SEP, SCOM, etc. Familiar with products such as F5, CyberArk, CypherTrust, ManageEngine, SolarWinds, Symantec, CyberNet, etc.

  • Apply patching and firmware upgrade if required.

• Network Performance & Optimization:

  • Analyze network traffic and performance metrics to identify areas for improvement.

  • Optimize network infrastructure to meet the growing needs of the business.

• Documentation & Reporting:

  • Maintain detailed documentation of network architecture, configurations, and troubleshooting procedures.

  • Generate regular reports on network performance, incidents, and infrastructure status for management review.

  • Solutions of backup and restore network appliances configurations for quick network recovery.

• Collaboration & Support:

  • Work closely with internal teams, including technical manager, system engineer, cyber specialist, and development teams, to support network requirements for various projects.

  • Provide technical guidance and mentorship to junior network team members as needed.

• Vendor Management:

  • Liaise with network hardware/software vendors for support, maintenance, and procurement of network equipment and services.

  • Ensure timely and cost-effective resolution of network-related issues with third-party service providers.

Required Qualifications:

• Experience:

  • Minimum of 5 years of hands-on experience in network infrastructure design, implementation, and administration.

  • Experience with enterprise-level networking equipment, including routers, switches, firewalls, load balancer, and wireless access points.

  • Solid experience with networking protocols and technologies such as TCP/IP, BGP, OSPF, DNS, DHCP, VPN, VLANs, MPLS, and QoS.

• Certifications (Preferred, but not required):

  • Cisco Certified Network Associate (CCNA) or higher (CCNP, CCIE).

  • CompTIA Network+.

  • Juniper Networks Certified Internet Associate (JNCIA).

  • Any other relevant network certifications.

• Skills:

  • Proficiency in network troubleshooting tools and techniques (Wireshark, PingPlotter, etc.).

  • Familiarity with network monitoring and management platforms (SolarWinds, PRTG, etc.).

  • Knowledge of network security best practices and tools.

  • Strong understanding of cloud networking (e.g., AWS, Azure networking) and hybrid network environments.

  • Experience with SD-WAN and/or VPN technologies.

  • Ability to write scripts or use automation tools for network management is a plus (e.g., Python, Ansible).

• Soft Skills:

  • Strong problem-solving and analytical skills.

  • Excellent verbal and written communication skills.

  • Ability to work independently and in a team environment.

  • Detail-oriented with excellent organizational skills.

Desirable Skills:

• Familiarity with data center operations and virtualized networking (VMware NSX, Hyper-V networking, ESXi, etc.).

• Experience with cloud services integration (AWS, Azure, Google Cloud) and network design for hybrid/cloud environments.

• Familiarity with ITIL frameworks or other network service management models.

Useful Q&A information below:

• Working hours: Mon to Fri, 0830 to 1800H.

• Free office parking and claimable site visit trips.

• What types of the project will be handling: Government Security projects.

• Security clearances are required? yes, Singaporeans for ease of clearance.

Overview

About Hitachi Rail: A career at Hitachi Rail helps create a legacy. With operations worldwide, we are at the cutting edge of digital transformation and technology. Our global, diverse team works in sustainable and innovative ways to bring people together. Location: Singapore, Singapore (On-Site).

Role: Network Engineer (Ref. No. R ) at our location in Singapore. You will be part of Ground Transportation Systems (GTS), advancing rail signalling and safety solutions to ensure safe and efficient railway operations worldwide.

Our technologies help billions of people reliably reach their destinations by rail every year, contributing to sustainable mobility.

• Provide custom engineering services, solution architecture, IP network design and implementation, project management, and capacity planning for large network infrastructure projects, including information security, bandwidth management, and remote access solutions.
• Network monitoring and troubleshooting.
• SDWAN configuration and support.
• Firewall configurations and support.
• Network security appliances configurations and implementations.
• Cisco Wireless and ISE.
• Cloud technologies: AWS, Azure, Bare Metal.

• 5 to 10 years of experience in networking technologies (routing/switching, firewalls, load balancing, proxy, etc.).
• Exceptional troubleshooting capabilities.
• University Degree/College Diploma or equivalent job experience.
• Desired qualifications: Routing and Switching technologies, Firewall expertise (Fortigate, Palo Alto), Load Balancing, Web proxy technology.

• Stronger together: Networking through internal networks and international teams.
• Our drive: Laying the foundations for the digitization of rail to safely bring people to their destinations.
• Attractive conditions: A secure and permanent job with a global company.

Notes: Equal opportunities and respect for all individuals are core principles. We offer equal opportunities to start a career and provide training and further education. We promote diversity and teamwork.

We invite you to apply via our career portal. For more information about Hitachi Rail and GTS, please visit

At Hitachi Rail, there is a place for everyone. We value differences in background, age, gender, sexuality, family status, disability, race, nationality, ethnicity, religion, and world view. We are committed to creating an inclusive environment and are proud to be an equal opportunity employer.

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