Network Engineer

CIRRUS TECH SOLUTIONS PTE. LTD.; Singapore; On-site; SGD 60,000 - 80,000; Full time

Job summary

A technology solutions company in Singapore is seeking a Network Engineer to design, configure, and implement network infrastructure, ensuring optimal network performance and security. The ideal candidate will have over 3 years of experience and a strong understanding of networking protocols, coupled with proficiency in network monitoring tools. Certifications like CCNA or similar are preferred. This role requires both technical proficiency and strong communication skills.

Qualifications

• 3+ years of hands-on experience as a Network Engineer or similar role.
• Strong understanding of TCP/IP, DNS, DHCP, BGP, OSPF, VLANs, MPLS.
• Hands-on experience with VPN technologies including IPsec and SSL VPN.

Responsibilities

• Design and implement network infrastructure including LAN, WAN, and cloud-based networks.
• Monitor network performance and diagnose issues using tools like SolarWinds.
• Configure and maintain firewalls and security appliances for secure access.

Skills

Networking protocols

Network security best practices

Documentation skills

Troubleshooting

Analytical skills

Communication skills

Education

Bachelor’s degree in Computer Science or related field

Tools

SolarWinds

Wireshark

Cisco hardware

Job description

Key Responsibilities:

· Design, configure, and implement network infrastructure including LAN, WAN, WLAN, and cloud-based networks to support the organization’s communication and data requirements.

· Install and configure network hardware such as routers, switches, firewalls, load balancers, and wireless access points.

· Monitor network performance using tools like SolarWinds, PRTG, or Wireshark to identify issues, analyze traffic patterns, and optimize network performance.

· Diagnose and resolve network issues including latency, connectivity, configuration errors, and outages in a timely manner.

· Maintain and troubleshoot firewalls and security appliances to ensure secure access and prevent unauthorized intrusion or cyber threats.

· Configure and manage VPNs and remote access to support secure connectivity for remote employees and branch offices.

· Manage IP addressing and subnetting, DHCP, DNS configurations, and related network services to ensure efficient and secure communication.

· Document network topologies, configurations, and changes using diagrams and technical documentation for reference and audits.

· Coordinate with other IT teams (e.g., sysadmins, DevOps, security teams) to integrate network solutions with servers, applications, and cloud environments.

· Plan and implement network upgrades and migrations to ensure the network remains up to date and scalable.

· Respond to incidents and service requests, providing technical support to internal teams and escalating issues as needed.

· Ensure compliance with industry standards (e.g., ISO, PCI-DSS) and internal IT policies and procedures.

· Conduct network capacity planning and forecasting to anticipate future needs and avoid performance bottlenecks.

· Assist in disaster recovery planning and testing to ensure network continuity during outages or emergencies.

· Train and mentor junior staff or provide guidance to cross-functional teams on network best practices.

Requirements:

· Bachelor’s degree in Computer Science, Information Technology, Network Engineering, or a related field (or equivalent practical experience)

· 3+ years of hands-on experience as a Network Engineer, Network Administrator, or similar role

· Strong understanding of networking protocols and services, including TCP/IP, DNS, DHCP, BGP, OSPF, VLANs, and MPLS

· Experience configuring and managing enterprise-grade network hardware, including switches, routers, and firewalls (Cisco, Juniper, Fortinet, Palo Alto, etc.)

· Familiarity with network security best practices, such as firewall configuration, intrusion detection/prevention systems (IDS/IPS), and access control

· Hands-on experience with VPN technologies, including IPsec, SSL VPN, and site-to-site VPN configurations

· Proficient with network monitoring, diagnostic, and performance tools, such as SolarWinds, Nagios, Wireshark, PRTG, or similar

· Ability to design and implement scalable, redundant, and secure network infrastructure

· Working knowledge of cloud networking (AWS VPC, Azure Virtual Network, Google Cloud Platform)

· Understanding of SD-WAN, VoIP, QoS, and wireless technologies

· Experience with scripting or automation tools (e.g., Python, Ansible, PowerShell) is a plus

· Strong documentation skills and experience with diagramming tools like Visio, Lucidchart, or Draw.io

· Excellent troubleshooting, analytical, and problem-solving skills

· Strong communication and interpersonal skills, with the ability to explain technical issues to non-technical stakeholders

· Willingness to participate in on-call rotations and respond to emergency network outages

· Certifications preferred:

o Cisco (CCNA, CCNP, CCIE)

o Juniper (JNCIA, JNCIP)

o CompTIA Network+ or Security+

o Palo Alto Networks Certified Network Security Engineer (PCNSE)

AWS Certified Advanced Networking – Specialty