Senior Network Engineer - WAN, VPN & Security Expert

AOI; Houston (TX); On-site; USD 90,000 - 130,000; Full time

Benefits offered by this job

Flexible health plans

401(k) matching

Generous PTO

Relocation package

Immigration sponsorships

Job summary

AOI is seeking a Senior Network Engineer for on-site work in Sugar Land, TX. You will provision, deploy, configure, and administer a variety of network and security hardware and software, including firewalls, routers, switches, monitoring tools, and VPNs.

The role emphasizes design, optimization, security policy enforcement, documentation, and cross-team collaboration. A Bachelor’s in CS or related field and 7+ years in network engineering are required; CCNA is a plus.

Qualifications

• Bachelor's degree in Computer Science or related field.
• 7+ years experience in network design, troubleshooting, and hardware configuration.
• LAN and VOIP knowledge required.
• Cisco Routers/Switches/Firewalls experience.
• Strong verbal and written communication skills; bilingual Mandarin preferred.

Responsibilities

• Designs, configures, maintains, and coordinates LAN/WAN use over Site-to-Site VPN.
• Monitors performance, troubleshoots outages, schedules upgrades, optimizes networks.
• Enforces security policies and access controls.
• Maintains documentation and improves it as needed.
• Reports operational status and manages projects.

Skills

LAN & VOIP knowledge

Cisco Routers/Switches/Firewalls

Network design & implementation

Project management

Strong communication

Education

Bachelor's degree in Computer Science or related program

CCNA Certification

Tools

Cisco Routers

Firewalls

VPNs

Job description

AOI is seeking a Senior Network Engineer for on-site work in Sugar Land, TX. You will provision, deploy, configure, and administer a variety of network and security hardware and software, including firewalls, routers, switches, monitoring tools, and VPNs.

The role emphasizes design, optimization, security policy enforcement, documentation, and cross-team collaboration. A Bachelor’s in CS or related field and 7+ years in network engineering are required; CCNA is a plus.