Network Maintenance Engineer

DCI CONSULTANTS PRIVATE LIMITED; Singapore; On-site; SGD 48,000 - 72,000; Full time

Job summary

DCI CONSULTANTS PRIVATE LIMITED is seeking a network operations professional to monitor and maintain enterprise infrastructure, including switches, routers, firewalls, and wireless devices. You will ensure service availability and SLA adherence while coordinating with vendors and internal teams.

The role covers firmware upgrades, patch management, and change implementations, plus on-call support and documentation.

Qualifications

• Diploma or degree in a related technical field is required.
• Strong knowledge of TCP/IP, routing, switching, VLANs, and security.
• Experience with incident management and root cause analysis.
• Familiar with network monitoring tools and log analysis.
• Preferred AWS Cloud networking experience and related services.
• Certifications such as CCNA/CCNP are a plus; fresh grads welcome.

Responsibilities

• Perform routine operation, monitoring, and preventive maintenance of network infrastructure.
• Monitor network performance, availability, and capacity to ensure service delivery.
• Analyze network logs to identify issues and perform root cause analysis.
• Respond to and resolve network incidents in line with SLAs.
• Plan firmware upgrades, software patching, and security updates for devices.
• Support change management activities including rollout and rollback planning.
• Maintain network documentation and incident logs.
• Coordinate with vendors and internal teams for troubleshooting.
• Support AWS cloud networking and connectivity between on-prem and cloud.
• Participate in on-call support and scheduled maintenance as needed.

Skills

TCP/IP & Routing

Network Switching & VLANs

Firewall & VPN

AWS Cloud Networking

Incident & Root Cause Analysis

Network Monitoring & Logs

Communication & Coordination

Independent Work

Fresh Graduates Welcome

Education

Diploma/Degree in Computer Engineering, IT, CS, or Telecommunications

Tools

Networking Monitoring Tools

AWS Networking Services

Job description

Responsibilities:

• Perform routine operation, monitoring, and preventive maintenance of network infrastructure, including switches, routers, firewalls, wireless equipment, and network management systems.

• Monitor network performance, availability, and capacity to ensure stable and reliable service delivery.

• Analyze network logs to identify abnormalities, diagnose issues, and perform root cause analysis.

• Respond to and resolve network incidents, service disruptions, and performance degradation in accordance with established SLAs.

• Plan, coordinate, and execute firmware upgrades, software patching, and security updates for network devices.

• Support change management activities, including impact assessment, implementation, validation, and rollback planning.

• Maintain network documentation, configuration records, maintenance reports, and incident logs.

• Coordinate with vendors, stakeholders, and internal support teams for technical troubleshooting and issue resolution.

• Support and maintain AWS cloud networking infrastructure and connectivity between on-premises and cloud environments.

• Participate in on-call support and scheduled maintenance activities outside normal working hours when required.

Requirements

• Diploma or Degree in Computer Engineering, Information Technology, Computer Science, Telecommunications, or a related discipline.

• Minimum 1 years of experience in network operation, maintenance, and support.

• Strong knowledge of TCP/IP, Routing & Switching, VLAN, Firewall, VPN, Wireless Networks, and Network Security.

• Hands-on experience in network troubleshooting, incident management, and root cause analysis.

• Experience with network monitoring tools, log analysis, and performance monitoring.

• Experience in firmware upgrades, software patch management, and network change implementation in production environments.

• Preferred experience in AWS Cloud networking services, including VPC, Route Tables, Security Groups, Network ACLs, Transit Gateway, Site-to-Site VPN, Direct Connect, and hybrid cloud networking.

• Good analytical, troubleshooting, and communication skills.

• Ability to work independently and effectively coordinate with multiple stakeholders.

• Relevant certifications such as CCNA, CCNP, AWS Certified Advanced Networking, AWS Solutions Architect Associate, or equivalent will be an added advantage.

• Fresh graduates with a strong passion for networking and a willingness to learn are welcome to apply.

• Working Location : West