Senior Network Engineer

Applied-Optoelectronics-Inc; Sugar Land (TX); On-site; USD 90,000 - 130,000; Full time

Benefits offered by this job

Relocation assistance

Job summary

Applied Optoelectronics, Inc. (AOI) in Sugar Land, Texas, is seeking a Senior Network Engineer to own AOI's network and security stack across multiple sites, ensuring high availability, performance, and security in 24/7 manufacturing operations.

This hands-on role focuses on the design, deployment, configuration and ongoing administration of network and security systems, working with Cisco routers, switches, and firewalls, site-to-site and remote-access VPNs, and monitoring platforms in a

Qualifications

• Must be authorized to work in the United States; Visa sponsorship is not available.
• Bachelor's degree in Computer Science or a related field.
• 7+ years’ experience in budgeting, program management, network design/implementation, troubleshooting, hardware configuration and performance tuning.
• LAN knowledge and VOIP knowledge.
• Cisco routers, switches, and firewalls – software and hardware configurations.
• Strong verbal and written communication skills for cross-team collaboration.

Responsibilities

• Designs, configures, maintains, and coordinates the use of customer’s Local Area and Wide Area Networks over Site-to-Site VPN.
• Maximizes network performance by monitoring performance, troubleshooting, scheduling upgrades, and collaborating on optimization.
• Secures network systems by enforcing policies and access controls.
• Updates and maintains network documentation and improves it as required.
• Reports network operational status by gathering and prioritizing information and managing projects.
• Keeps job knowledge current by engaging in educational opportunities and professional networks.

Skills

Budget management

Project management

Network design

Network implementation

Network troubleshooting

Hardware configuration

Network performance tuning

LAN knowledge

VOIP knowledge

Strong communication

Education

Bachelor's degree in Computer Science or related program

Tools

Cisco Routers

Cisco Switches

Cisco Firewalls

Job description

Build a Brighter Future with AOI: Join Our Team of Visionaries

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Applied Optoelectronics, Inc. (AOI) is a leading developer and manufacturer of advanced optical and HFC networking products — the building blocks that power AI datacenters, CATV broadband, telecom, and fiber access networks around the world. Headquartered in Sugar Land, Texas, AOI is a vertically integrated company that designs and manufactures everything from semiconductor laser chips to finished optical transceivers, serving tier-one customers across cloud computing, broadband, and telecom. With R&D operations in Atlanta, GA and global manufacturing presence in Taiwan and China, AOI is publicly traded on the Nasdaq (AAOI) and is actively expanding its U.S.-based manufacturing operations in Sugar Land to meet accelerating demand in the AI datacenter market.

Summary

The MIS team is responsible for the design, reliability, and security of the network infrastructure supporting 24/7 manufacturing operations, enterprise systems, and secure cross-site connectivity. We are seeking a Senior Network Engineer who will take technical ownership of AOI's network and security stack and play a critical role in ensuring high availability, performance, and security across all environments.

This is a hands-on, infrastructure-focused role centered on the design, deployment, configuration, and ongoing administration of network and security systems. The successful candidate will work extensively with Cisco routers, switches, and firewalls, site-to-site and remote-access VPNs, and network monitoring and alerting platforms in a multi-site manufacturing environment.

Job Responsibilities

Designs, configures, maintains, and coordinates the use of customer's Local Area and Wide Area Networks over Site-to-Site VPN.

Maximizes network performance by monitoring performance; troubleshooting network problems and outages; scheduling upgrades; collaborating with network architects on network optimization.

Secures network system by establishing and enforcing policies; defining and monitoring access.

Updates and maintains all documentation requested by management and will be tasked with improving such documentation as required.

Accomplishes information systems and organization mission by completing related results as needed.

Reports network operational status by gathering, prioritizing information; managing projects.

Updates job knowledge by participating in educational opportunities; reading professional publications; maintaining personal networks; participating in professional organizations.

Qualifications

Candidates must be authorized to work in the United States. Visa sponsorship is not available for this position.

Required:

Bachelor's degree in Computer Science or related program

7+ years’ experience in Tracking Budget Expenses, Project Management, Network Design and Implementation, Network Troubleshooting, Network Hardware Configuration, Network Performance Tuning

LAN Knowledge & VOIP Knowledge

Knowledge of Cisco Routers, Switches, Firewalls – Software and Hardware Configurations

Strong verbal and written communication skills for effective collaboration between team members

Preferred:

Proficiency in Microsoft Suite for project documentation and reporting

Bilingual in Mandarin is preferred

CCNA Certification is a plus

This position is full-time and based in Sugar Land, Texas. This location has a combination of office, warehouse, and cleanroom manufacturing work environments.

Business Hours for this position are 9am to 6pm CT, Monday through Friday.

This position may require occasional after-hours response for critical facility issues, site inspections, or executive events.

Why AOI?

In addition to competitive salary, AOI offers:

Flexible and competitive health (medical, dental, vision) plans offer the employee with the right options to meet individual and family needs

Employer matching on 401(k) deferrals

Generous PTO policy, with unused PTO payout at end of the year

Relocation packages available within the United States.

Applied Optoelectronics, Inc (AOI) is committed to providing equal opportunity in all of our employment practices, including hiring, placement, promotion, training, transfer and compensation, to all qualified applicants and employees without regard to race, color, national origin, citizenship, religion, sex, veteran status, age, disability, marital status, or any other category protected by State or U.S. Federal law. Moreover, we endeavor to treat our employees fairly.

We do not accept unsolicited proposals from third-party recruiters or agencies. Contacting hiring managers directly may result in disqualification of submissions.