Sr. IT Network Engineer (A Group IT)-Houston,TX

Purpose of the Position:  

• To design, implement, secure, maintain, and optimize the company's large-scale network and IT infrastructure, ensuring high availability, security, and performance.

• To work with the IT operations team to manage security and compliance, and collaborate cross-functionally to ensure that IT systems are aligned with business goals.

• To provide expert-level support, incident response, and continuous improvement of the network environment.

Duties and Responsibilities:

1. IT Team Leadership & Collaboration:

• Lead and mentor the IT operations team, enhancing technical skills and incident response.

• Collaborate closely with production, management, and cross-functional teams to ensure IT systems meet business and operational requirements.

• Coordinate IT priorities with departmental leaders to support company goals.

2. Network Design, Implementation & Maintenance:       

• Design, set up, configure, and maintain secure, scalable, and redundant network infrastructures (WAN, LAN, VLAN, VPN) for large enterprises.

• Perform regular maintenance on servers (physical/virtual, Windows/Linux) and network equipment (upgrades, patching, monitoring, troubleshooting).

• Configure, manage, and troubleshoot firewalls (Cisco, Palo Alto, Fortinet) and security devices (IPS/IDS, VPN).

• Set up, manage, and optimize wireless networks and access points (Cisco, Ubiquiti, Aruba).

3. Data Center & IT Infrastructure Management:

• Oversee daily data center operations (hardware, networking, storage) and overall IT infrastructure (network, servers, storage).

• Ensure maximum uptime, scalability, and security of infrastructure components.

• Manage enterprise databases (SQL Server, MySQL, Oracle) for performance and optimization.

4. Information Security & Compliance:

• Develop, implement, and enforce IT security policies and best practices.

• Manage data protection, access control, and cybersecurity measures.

• Ensure compliance with industry standards and regulations (e.g., ISO 27001, GDPR).

• Conduct security audits and compliance assessments.

5. Network Monitoring, Optimization & Documentation:

• Continuously monitor network, server, and access point performance.

• Proactively optimize network speed, reliability, and security.

• Maintain accurate and up-to-date network documentation (configurations, diagrams, inventory).

6. Incident Response & Recovery:

• Lead response to network incidents, conduct root cause analysis, and implement preventative measures.

• Provide on-call support as needed for critical issues.

• Ensure efficient system recovery and business continuity.

7. Continuous Improvement & Support:

• Stay current with emerging network technologies, security trends, and best practices.

• Propose and implement infrastructure improvements for enhanced security and efficiency.

• Provide technical support, training, and guidance to teams and junior staff.

Education and Work Experience:

• Education: Bachelor's degree in Computer Information Systems, Network Engineering and Security, or a related field (Preferred).

• Experience: 10+ years of extensive experience in:

• Designing, setting up, and maintaining complex network infrastructures in large-scale environments.

• Server setup, configuration, and maintenance (physical/virtual, Windows/Linux).

• Firewall management and network security implementation.

• IT infrastructure and data center operations management.

• Manufacturing/Factory IT environment experience (Preferred).

Supervision:
Reporting to IT operation manager

Working Conditions:

• Office-based role within a fast-paced environment.

• Must be available for on-call support to respond to after-hours emergencies.

• Availability to work non-core hours or overtime to complete projects or resolve critical issues without operational disruption.

Updated: July 2025

Skills:

• Core Technical Expertise: Advanced Networking (Design, WAN/LAN/VLAN/VPN), Firewalls (Cisco, Palo Alto, Fortinet), Server Management (Windows/Linux), Virtualization (VMware/Hyper-V), Access Points (Cisco, Ubiquiti, Aruba), Database Management (SQL Server, MySQL, Oracle), High Availability/Uptime strategies.

• Security & Compliance: In-depth network security principles, intrusion detection/prevention, vulnerability management, monitoring tools, compliance standards (ISO 27001, GDPR).

• Management & Soft Skills: IT Team Leadership, Cross-functional Collaboration, Excellent Communication (English essential, Chinese Mandarin a plus), Organizational & Time Management, Problem-Solving & Troubleshooting, Incident Management, Project Management, Documentation.

• Fluency in Mandarin Chinese is preferred due to frequent interactions with suppliers and internal teams in Taiwan/China.

• Certifications (Preferred): Cisco CCNA/CCNP, CompTIA Network+, CISSP, CEH.

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