The Network Engineer is responsible for the design, implementation, maintenance, and ongoing support of the organization’s network infrastructure to ensure secure, reliable, and high-performance connectivity. This role manages LAN, WAN, wireless, and cloud-based networking environments; diagnoses and resolves complex network issues; and partners with cross-functional teams to support business operations and strategic growth. The Network Engineer is accountable for maintaining network availability, optimizing performance, ensuring security compliance, and proactively identifying opportunities to enhance and modernize the infrastructure.
Essential Job Functions:
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Design, implement, and support Local Area Networks (LAN) and Wide Area Networks (WAN)
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Manage and optimize wireless networking environments
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Develop and maintain scalable, secure network architecture
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Configure and support Palo Alto firewalls and security platforms
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Administer VPN solutions (site-to-site and remote access)
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Perform network administration, monitoring, and troubleshooting
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Manage Cisco Meraki environments and Cisco switching infrastructure
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Support overall IT infrastructure and cloud networking integration
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Configure and maintain firewalls, routing, and switching protocols
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Implement and maintain network configuration standards and best practices
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Ensure network security, compliance, and performance optimization
Job-related location requirement:
- Candidates must reside in California and within reasonable distance to our corporate office, Rancho Cucamonga, CA.
Schedule: 8:00am - 5:00pm (core business hours). Managers may adjust schedule as needed based on business needs.
After your first 30 days onsite, you'll transition to our hybrid schedule:
- In-office: Monday, Tuesday, Thursday
- Remote: Wednesday, Friday
Minimum of five (5) to seven (7) years of progressive experience in network administration or network engineering roles. Bachelor’s degree in Computer Science, Information Technology, or a related technical discipline, or an equivalent combination of education and relevant experience.
Strong knowledge of networking fundamentals, including TCP/IP, routing, switching, VLANs, and subnetting. Proven experience configuring and supporting network hardware such as routers, switches, and firewalls. Solid understanding of network security concepts, including VPNs and access control lists (ACLs). Proficiency in scripting languages (e.g., Python) for automation and process improvement. Demonstrated troubleshooting, analytical, and problem-solving skills. Working knowledge of cloud platforms such as AWS and Azure, as well as Linux operating systems. Occasional overnight travel may be required.
Skills Required
- 5 to 7 years of progressive experience in network administration or network engineering
- Bachelor's degree in Computer Science, Information Technology, or related technical discipline (or equivalent experience)
- Strong knowledge of TCP/IP, routing, switching, VLANs, and subnetting
- Proven experience configuring and supporting network hardware such as routers, switches, and firewalls
- Experience configuring and supporting Palo Alto firewalls and security platforms
- Experience managing Cisco Meraki environments and Cisco switching infrastructure
- Administer VPN solutions (site-to-site and remote access)
- Proficiency in scripting languages (e.g., Python) for automation and process improvement
- Working knowledge of cloud platforms such as AWS and Azure
- Working knowledge of Linux operating systems
- Experience with network monitoring, troubleshooting, and performance optimization
- Solid understanding of network security concepts, including ACLs and access control
What We Do
Dunlop Tires North America, Inc., a subsidiary of Sumitomo Rubber Industries, Ltd., manufactures and supplies high-performance tires for passenger cars, SUVs, light trucks, and motorcycles. Leveraging over a century of innovation and racing heritage, the company integrates motorsport technology into its products to deliver superior grip, handling, and durability for everyday drivers.









