Senior Network Engineer

Netmarks Singapore Pte Ltd; Singapore; On-site; SGD 95,000 - 140,000; Full time

Benefits offered by this job

Mentoring opportunity

Certification support

Brand exposure

Job summary

Netmarks Singapore Pte Ltd is seeking an experienced Senior Network Engineer in Singapore to design, implement and support enterprise network infrastructure. You will work hands‑on on routers, switches, firewalls and wireless networks, translating customer requirements into robust technical designs.

With 4–5 years of relevant experience, you will contribute to pre‑sales discussions, project scoping, and post‑sales support, ensuring minimal disruption to client operations and thorough

Qualifications

• Degree or Diploma in Electronic Engineering, Computer Science, Information Technology or a related discipline.
• Approximately 4–5 years of relevant experience in enterprise networking with hands‑on design, implementation and troubleshooting capabilities.
• Strong practical experience with Cisco, Fortinet and/or HPE Aruba products and solutions.
• Sound knowledge of TCP/IP, routing, switching, VLANs, VPNs, firewalls and wireless networking.
• Strong problem‑solving skills and the ability to work independently and collaboratively.
• Good communication and documentation skills, with a professional, customer‑focused approach.

Responsibilities

• Design, configure and implement enterprise network infrastructure, including routers, switches, firewalls and wireless networks.
• Translate customer requirements into practical technical designs and implementation plans.
• Provide pre‑sales technical support, including solution proposals, technical discussions and project scoping.
• Deliver post‑sales support, including troubleshooting, incident resolution and maintenance services.
• Manage network changes, upgrades and migrations, with appropriate testing and minimal disruption to customer operations.
• Prepare and maintain network diagrams, configuration documentation, implementation procedures and service records.
• Work closely with customers, vendors and internal engineers to deliver projects and meet service commitments.

Skills

Enterprise networking

Cisco

Fortinet

HPE Aruba

TCP/IP

Routing & Switching

Wireless networking

Customer communication

Education

Degree or Diploma in Electronic Engineering/Computer Science/IT

Tools

Cisco devices

Fortinet devices

HPE Aruba devices

Job description

With 26 years of experience, Netmarks Singapore is a trusted IT infrastructure partner, working closely with enterprise clients to design, implement and maintain secure, reliable IT environments across networking, cybersecurity, servers, cloud and managed services.

We work with leading technology brands, including Cisco, Fortinet, HPE Aruba, Dell and Microsoft, to deliver practical solutions supported by strong technical expertise and responsive service. We welcome talented professionals who enjoy hands‑on technical challenges to join our team, develop their skills and make a meaningful contribution to our clients’ success.

We are seeking an experienced Senior Network Engineer with 4–5 years of relevant experience and strong hands‑on skills in designing and implementing enterprise network infrastructure using Cisco, Fortinet and/or HPE Aruba solutions.

Key Responsibilities

• Design, configure and implement enterprise network infrastructure, including routers, switches, firewalls and wireless networks.
• Translate customer requirements into practical technical designs and implementation plans.
• Provide pre‑sales technical support, including solution proposals, technical discussions and project scoping.
• Deliver post‑sales support, including troubleshooting, incident resolution and maintenance services.
• Manage network changes, upgrades and migrations, with appropriate testing and minimal disruption to customer operations.
• Prepare and maintain network diagrams, configuration documentation, implementation procedures and service records.
• Work closely with customers, vendors and internal engineers to deliver projects and meet service commitments.

Requirements

• Degree or Diploma in Electronic Engineering, Computer Science, Information Technology or a related discipline.
• Approximately 4–5 years of relevant experience in enterprise networking, with proven hands‑on design, implementation and troubleshooting capabilities.
• Strong practical experience with Cisco, Fortinet and/or HPE Aruba products and solutions.
• Sound knowledge of TCP/IP, routing, switching, VLANs, VPNs, firewalls and wireless networking.
• Strong problem‑solving skills and the ability to work independently and collaboratively.
• Good communication and documentation skills, with a professional, customer‑focused approach.

Added Advantages

• Experience leading or mentoring a small team of engineers across networking, servers, cloud and cybersecurity.
• Experience coordinating technical projects and guiding engineers through implementation and troubleshooting.
• Relevant certifications such as Cisco CCNA/CCNP, Fortinet or HPE Aruba certifications.
• Familiarity with server infrastructure, virtualisation, cloud platforms and cybersecurity solutions.

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