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Businesslist

Senior Network Engineer

Businesslist, Sioux Falls, South Dakota, United States

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Posting Date: 27 Oct 2025 | Close Date: 25 Jan 2026

Key Responsibilities

Plan, design, and implement

LAN/WAN, WLAN, SD-WAN, and VPN

solutions based on customer requirements.

Perform

installation, configuration, and commissioning

of network and security devices (switches, routers, firewalls, WLCs, APs, load balancers, etc.).

Execute

network migration, expansion, and integration projects , ensuring minimal downtime and maximum reliability.

Conduct site assessments, prepare technical proposals, and assist sales teams with solution design.

Network Operations & Support

Troubleshoot and resolve complex issues involving

routing, switching, firewall, and connectivity

in multi‑vendor environments.

Provide

Level 2/3 technical support , analyze incidents, and perform root cause investigations.

Monitor network performance and implement improvements for throughput, stability, and security.

Document network diagrams, configuration standards, and troubleshooting processes.

Security & Compliance

Configure and manage

firewalls, IDS/IPS, and security policies

to protect customer networks.

Implement and support

VPN, NAT, VLAN segmentation, and ACLs

for secure access and communication.

Collaborate with security teams to ensure compliance with internal and customer security frameworks.

Collaboration & Leadership

Work closely with

sales engineers, project managers, and service delivery teams

to ensure project success.

Mentor and provide guidance to junior engineers and support staff.

Deliver proof‑of‑concept (POC) and technical presentations when required.

Stay updated with emerging networking technologies and certifications.

Required Qualifications

Bachelor’s Degree in

Computer Science, Network Engineering, Information Technology , or related field.

2–5 years of hands‑on experience

in enterprise network deployment and troubleshooting.

Professional Certifications

preferred:

Cisco CCNA / CCNP (Routing & Switching / Security)

Fortinet NSE / Fortinet Certified Professional

Palo Alto PCNSA / PCNSE

Sophos Firewall Architect / Engineer

Strong understanding of

LAN/WAN design, VLANs, ACLs, IP routing (OSPF, BGP, EIGRP) , and VPN technologies.

In‑depth knowledge of

Cisco, Fortinet, Palo Alto, and Sophos

solutions (firewall, switches, routers, access points, etc.).

Hands‑on experience with

network monitoring tools

(SolarWinds, WhatsUp Gold, Wireshark, Cisco DNA, etc.).

Good communication and interpersonal skills; ability to work independently and in team settings.

Language:

Chinese preferred but open to non‑Mandarin speakers with strong technical capability.

Work Location:

Penang

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