Senior Network Engineer

THE HACENS TALENT PTE. LTD.; Singapore; On-site; SGD 80,000 - 100,000; Full time

Job summary

A technology solutions company in Singapore is seeking a Senior Network Engineer responsible for designing and supporting enterprise and customer network infrastructures. The role involves providing technical leadership, ensuring high availability and security, and collaborating with various stakeholders. Candidates should possess strong knowledge of network protocols, SD-WAN, and cloud networking with a minimum of 7-10 years of experience in network engineering. Certifications such as CCNP, Fortinet NSE, or Palo Alto PCNSE are preferred.

Qualifications

• Strong knowledge of network protocols such as TCP/IP, BGP, OSPF, VLANs, QoS, NAT.
• Experience with SD-WAN and cloud networking (AWS, Azure, GCP).
• Must have a minimum of 7–10 years of network engineering experience.

Responsibilities

• Design, deploy, and maintain LAN, WAN, WLAN, SD-WAN, and data center network infrastructures.
• Provide Level 3 support for complex network issues and outages.
• Implement and maintain network security controls, including firewalls and VPN.

Skills

TCP/IP

BGP

OSPF

VLANs

QoS

NAT

Education

Network Engineering Experience (7-10 years)

Certifications (CCNP / CCIE, Fortinet NSE, Palo Alto PCNSE, Aruba certifications)

Tools

Cisco

Aruba

Juniper

Fortinet

Palo Alto

Job description

Job Summary: The Senior Network Engineer is responsible for the design, implementation, optimization, and support of enterprise and customer network infrastructures. This role provides technical leadership, ensures high availability and security of network systems, and works closely with customers, vendors, and internal teams to deliver robust networking solutions.

Key Responsibilities:

Network Design & Implementation:

• Design, deploy, and maintain LAN, WAN, WLAN, SD-WAN, and data centre network infrastructures and Logistics and Manufacturing companies
• Lead network architecture planning for new projects, upgrades, and migrations
• Implement network solutions using Cisco, Aruba, Juniper, Fortinet, Palo Alto, or equivalent technologies
• Configure and support routing, switching, firewalls, VPNs, load balancers, and wireless network

Operations & Support:

• Provide Level 3 support for complex network issues and outages
• Perform root cause analysis and implement permanent corrective actions
• Monitor network performance, availability, and capacity planning
• Ensure compliance with security policies and best practices

Security & Compliance:

• Implement and maintain network security controls (firewalls, IPS/IDS, NAC, VPN)
• Support security audits, vulnerability remediation, and compliance requirements

Leadership & Collaboration:

• Act as technical lead and mentor junior engineers
• Liaise with customers, vendors, and project managers
• Provide technical input for proposals and solution designs

Documentation & Change Management:

• Maintain network documentation, diagrams, and SOPs
• Participate in change and incident management processes

Required Skills & Qualifications:

• Strong knowledge of TCP/IP, BGP, OSPF, VLANs, QoS, NAT
• Experience with SD-WAN and cloud networking (AWS, Azure, GCP)
• Minimum 7–10 years of network engineering experience
• Certifications (Preferred): CCNP / CCIE, Fortinet NSE, Palo Alto PCNSE, Aruba certifications

Working Conditions:

• On-call support and after-hours work may be required