1,446 Network Infrastructure jobs in Singapore

We're partnering with a well-funded, fast-growing tech company to hire a Network Infrastructure Engineer to join their team.

• Deploy, tune, and maintain network optimization solutions for enterprise systems
• Implement robust infrastructure and security standards across hybrid environments
• Collaborate with engineering teams to ensure reliable, high-performance connectivity
• Monitor network health, analyze traffic patterns, and respond to incidents efficiently
• Stay ahead of emerging security threats and recommend preventive measures
• Bring solid experience in network management tools and certifications in infra/network tech

Reach out to Ayla at for a confidential discussion.

EA License No: 19S9830

Job Summary:

We are seeking a skilled and dedicated Network Infrastructure Engineer with advanced network knowledge and familiarity with WAN optimization to join our professional services team.

As a Network Infrastructure Engineer, you will play a critical role in managing our clients' network and ensuring the performance of their traffic are optimized and secure.

You will be responsible for implementing and managing WAN optimization solutions, conducting performance assessments as well as providing expertise in mitigating network performance issues.

Responsibilities:

• Deploy and maintain WAN optimization solutions to optimize clients' network performance.
• Implement network Infra and security policies, standards and procedures to ensure compliance with industry regulations and best practices.
• Collaborate with cross-functional teams to ensure targeted network traffic are optimized and secured.
• Stay updated with the latest endpoint security threats, vulnerabilities and industry trends and proactively recommend and implement appropriate countermeasures.
• Provide technical guidance and support to cross-functional teams during network incidents and investigations.
• Document WAN optimizer configurations, processes and procedures.

Qualifications:

• Bachelor's degree/Diploma in Computer Science, Information Security or a related field.
• Professional certifications for Network Infrastructure products, certification for Riverbed is favored.
• Familiarity with managing/implementing Network management platforms and tools at enterprise level.
• Understanding of network traffic and their protocols.
• Familiarity with security standards and frameworks (NIST, CIS) and their application for network products.
• Excellent analytical and problem-solving skills to identify and resolve network issues.
• Strong communication and collaboration skills to work effectively with clients, cross-functional teams and stakeholders.
• Able to work in a fast-paced environment and manage multiple priorities effectively.

We're partnering with a well-funded, fast-growing tech company to hire a Network Infrastructure Engineer to join their team.

• Deploy, tune, and maintain network optimization solutions for enterprise systems
• Implement robust infrastructure and security standards across hybrid environments
• Collaborate with engineering teams to ensure reliable, high-performance connectivity
• Monitor network health, analyze traffic patterns, and respond to incidents efficiently
• Stay ahead of emerging security threats and recommend preventive measures
• Bring solid experience in network management tools and certifications in infra/network tech

Reach out to Ayla at for a confidential discussion.

EA License No: 19S9830

Location: Bukit Merah

Sector: Defence

The Project Engineer will be responsible for supporting and delivering core network infrastructure projects within a defence environment.

The role involves coordinating implementation, configuration, and maintenance of network systems while ensuring timely project delivery and compliance with security requirements.

This position requires candidates with hands-on technical expertise and strong coordination skills to work effectively with end-users, vendors, and internal teams.

• Support end-to-end delivery of network infrastructure projects, including planning, setup, configuration, and testing.
• Perform installation, troubleshooting, and maintenance of routers, switches, firewalls, and UPS systems.
• Coordinate with vendors, users, and project stakeholders to ensure smooth implementation and issue resolution.
• Monitor network performance and provide operational support during project rollout.
• Prepare project documentation, progress reports, and network topology diagrams.
• Ensure compliance with defence network security standards and protocols.

• Diploma or Degree in Computer Engineering, Information Technology, or related field.
• CAT 1 MSD clearance required (or eligible to obtain).
• Hands-on experience with routers, switches, firewalls, UPS, and network monitoring tools.
• CCNA certification highly preferred.
• Strong communication and coordination skills to engage effectively with end-users and vendors.

• Prior experience supporting government or defence-related infrastructure projects.
• Knowledge of network delivery, implementation, and operational support workflows.

Location: South

Working hours: 8.30 am - 6pm (onsite)

Salary: Basic + AWS

We are seeking a highly skilled L2 Network Engineer to support, maintain, and optimize our network infrastructure. The ideal candidate will be responsible for managing day-to-day network operations, troubleshooting escalated incidents, implementing network changes, and ensuring high availability and security across all network services.

Key Responsibilities

• Provide Level 2 (L2) technical support for network incidents, escalations, and service requests in line with SLAs.
• Perform network troubleshooting and root cause analysis for LAN, WAN, WLAN, and firewall-related issues.
• Configure, monitor, and maintain routers, switches, firewalls, VPNs, and load balancers.
• Assist in network upgrades, migrations, and patch management to ensure continuous service improvement.
• Implement and maintain network security policies, including ACLs, VLAN segmentation, and IPS/IDS management.
• Collaborate with vendors and internal teams for hardware replacements, configuration reviews, and performance tuning.
• Monitor network performance using tools such as SolarWinds, PRTG, or Nagios, ensuring optimal uptime and stability.
• Support incident response and change management processes according to ITIL best practices.
• Maintain accurate network documentation, topology diagrams, and configuration records.
• Participate in on-call rotation or standby duty as part of network support coverage.

Requirements

• Degree in Information Technology, Computer Engineering, or related discipline.
• Minimum 2 years of experience in enterprise network operations or support.
• Strong knowledge of Cisco or Juniper network devices (routing, switching, firewall).
• Hands-on experience with TCP/IP, VLANs, VPNs, OSPF, BGP, MPLS, and network monitoring tools.

By submitting your resume, you consent to the collection, use, and disclosure of your personal information per ScienTec's Privacy Policy (scientecconsulting.com/privacy-policy).

This authorizes us to:

• Contact you about potential opportunities.

• Delete personal data as it is not required at this application stage.

• All applications will be processed with strict confidence. Only shortlisted candidates will be contacted.

Wong Siew Ting (Maeve) - R

ScienTec Consulting Pte Ltd - 11C5781

Get AI-powered advice on this job and more exclusive features.
Overview
Get AI-powered advice on this job and more exclusive features.
Responsibilities
Assess, design, install and setup on-premise servers.
Conduct Site Survey for all on-premises Public Transport Operator data centres, client data centres, client offices, and client designated Tier 2 systems. With consultation with respective stakeholder, and 3rd party vendors.
Create the Detailed Site Deployment Design document based on each Sit Survey destination. This will document how the planned project hardware will be installed at each site, and the requirements (Networking, Rack Space, Electrical) that the site operator must provide.
Create the detailed AWS Network Traffic Routing Design between all VPCs with consultation from Client Network Team.
Create the detailed On-Premises Network Traffic Routing Design between project's AWS VPCs and all on-premises Public Transport Operator data centers, client data centres, client offices, and client designated Tier 2 systems. With consultation with Client Network Team, and 3rd party vendors via Client Network Team.
Create the detailed External Link Landing Zone Infrastructure Design in collaboration with consultation from Client Network Team, AWS Team, and MPLS provider for the project's External Link Landing Zone (External LLZ), AWS Direct Connect.
Connect, and Customer Edge Network Virtual Appliance (NVA).
Append to the Observability Design in collaboration with other Technical Architecture team members to document in detail how the availability & SNMP Traps of External LLZ NVA, Trusted LLZ, Untrusted LLZ, Inspection VPC NGFW, and other critical points of networking failure will be integrated into the project.
Requirements
Bachelor’s degree in Computer Science, Information Technology, or related field.
Proven experience in AWS Cloud infrastructure and network design.
Strong knowledge of on-premise server deployment and data center operations.
Hands-on experience with firewalls, routing, VPNs, and Direct Connect.
Familiarity with Dynatrace or other observability platforms.
Solid understanding of security compliance, certificates, and key management.
Excellent coordination and communication skills with multiple technical stakeholders.
AWS and/or networking certifications (e.g., AWS Certified Advanced Networking, CCNA/CCNP) are advantageous.
Seniority level
Mid-Senior level
Employment type
Full-time
Job function
Information Technology
Industries
IT Services and IT Consulting
Data Center Engineer (Command Center / Network Operations) and related postings are not included in this refined description.
#J-18808-Ljbffr

Overview
Technical Recruiter (APAC) | Hiring Talent in Singapore | Malaysia | Philippines | Hong Kong | Dubai
Key Responsibilities
Ensure the
highest level of system and service availability , making sure that infrastructure, applications, and products are properly configured, monitored, and maintained.
Provide
L2/L3 Service Operations support
to internal and external customers according to agreed SLAs.
Act as the
single point of contact (SPOC)
for customers when required, coordinating interventions with internal teams, service desk, and resolver groups.
Handle
incident and problem management , ensuring quick resolution of issues, timely escalation, and detailed root cause analysis.
Manage
equipment replacement and spares availability , ensuring timely replenishment and continuity of service.
Perform
proactive monitoring, diagnostics, and preventive maintenance
to minimize downtime and disruptions.
Support
Change Management, Configuration, and Implementation
of supported systems and products.
Collaborate with
vendors, service providers, and application consultants
to deliver high-quality IT services.
Support
infrastructure projects and system enhancements , ensuring documentation, testing, and smooth deployment.
Participate in
on-call standby duties and rotating 24x7 shifts
when required.
Contribute to
continuous service improvement , documenting lessons learned, known errors, and operational best practices.
Requirements
Education : Diploma or Bachelor’s in Computer Science, IT, Electronics Engineering, or equivalent.
Certifications (preferred but not mandatory):
ITIL Foundation (required)
Experience
Minimum 2–3 years of experience in IT operations, systems, or application support.
Hands-on experience in
Windows/Linux/Unix environments , basic troubleshooting, and patching.
Exposure to
networking (TCP/IP, LAN/WAN, routing, switching, firewall configuration) .
Ability to configure and support
Cisco routers/switches
and perform network troubleshooting (ping, traceroute, etc.).
Experience working in
SLA-driven environments
with direct customer interaction.
Experience in the
airport/airline industry
or ACM domain will be a strong plus.
Technical Knowledge
Installation and support of desktop PCs, servers, IP phones, printers, switches, routers, cabling.
Installation and configuration of end-user applications and OS (Windows/Linux/Unix).
Familiarity with monitoring tools and service management processes.
Soft Skills
Strong communication and customer service skills.
Ability to work under pressure, in rotating shifts, and as part of a team.
Problem-solving mindset with ownership until resolution.
Seniority level
Mid-Senior level
Employment type
Full-time
Job function
Information Technology
Industries: Technology, Information and Media
#J-18808-Ljbffr

Location: South

Working hours: 8.30 am - 6pm (onsite)

Salary: Basic + AWS

We are seeking a highly skilled L2 Network Engineer to support, maintain, and optimize our network infrastructure. The ideal candidate will be responsible for managing day-to-day network operations, troubleshooting escalated incidents, implementing network changes, and ensuring high availability and security across all network services.

Key Responsibilities

• Provide Level 2 (L2) technical support for network incidents, escalations, and service requests in line with SLAs.
• Perform network troubleshooting and root cause analysis for LAN, WAN, WLAN, and firewall-related issues.
• Configure, monitor, and maintain routers, switches, firewalls, VPNs, and load balancers.
• Assist in network upgrades, migrations, and patch management to ensure continuous service improvement.
• Implement and maintain network security policies, including ACLs, VLAN segmentation, and IPS/IDS management.
• Collaborate with vendors and internal teams for hardware replacements, configuration reviews, and performance tuning.
• Monitor network performance using tools such as SolarWinds, PRTG, or Nagios, ensuring optimal uptime and stability.
• Support incident response and change management processes according to ITIL best practices.
• Maintain accurate network documentation, topology diagrams, and configuration records.
• Participate in on-call rotation or standby duty as part of network support coverage.

Requirements

• Degree in Information Technology, Computer Engineering, or related discipline.
• Minimum 2 years of experience in enterprise network operations or support.
• Strong knowledge of Cisco or Juniper network devices (routing, switching, firewall).
• Hands-on experience with TCP/IP, VLANs, VPNs, OSPF, BGP, MPLS, and network monitoring tools.

By submitting your resume, you consent to the collection, use, and disclosure of your personal information per ScienTec’s Privacy Policy (scientecconsulting.com/privacy-policy).

This authorizes us to:

• Contact you about potential opportunities.

• Delete personal data as it is not required at this application stage.

• All applications will be processed with strict confidence. Only shortlisted candidates will be contacted.

Wong Siew Ting (Maeve) - R

ScienTec Consulting Pte Ltd - 11C5781

Job Summary:

We are seeking a skilled and dedicated Network Infrastructure Engineer with advanced network knowledge and familiarity with WAN optimization to join our professional services team.

As a Network Infrastructure Engineer, you will play a critical role in managing our clients' network and ensuring the performance of their traffic are optimized and secure.

You will be responsible for implementing and managing WAN optimization solutions, conducting performance assessments as well as providing expertise in mitigating network performance issues.

Responsibilities:

• Deploy and maintain WAN optimization solutions to optimize clients' network performance.
• Implement network Infra and security policies, standards and procedures to ensure compliance with industry regulations and best practices.
• Collaborate with cross-functional teams to ensure targeted network traffic are optimized and secured.
• Stay updated with the latest endpoint security threats, vulnerabilities and industry trends and proactively recommend and implement appropriate countermeasures.
• Provide technical guidance and support to cross-functional teams during network incidents and investigations.
• Document WAN optimizer configurations, processes and procedures.

Qualifications:

• Bachelor's degree/Diploma in Computer Science, Information Security or a related field.
• Professional certifications for Network Infrastructure products, certification for Riverbed is favored.
• Familiarity with managing/implementing Network management platforms and tools at enterprise level.
• Understanding of network traffic and their protocols.
• Familiarity with security standards and frameworks (NIST, CIS) and their application for network products.
• Excellent analytical and problem-solving skills to identify and resolve network issues.
• Strong communication and collaboration skills to work effectively with clients, cross-functional teams and stakeholders.
• Able to work in a fast-paced environment and manage multiple priorities effectively.