Job DescriptionJob DescriptionPurpose 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 ().
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 ().

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 due to frequent interactions with suppliers and internal teams in Taiwan/China.
Certifications (): Cisco CCNA/CCNP, CompTIA Network+, CISSP, CEH.

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

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