Sr Network Engineer

Hitachi Digital Services • Los Angeles, CA

6d

About The Position

As a Senior Network Engineer, you will design, implement, and support enterprise network infrastructure across cloud and on-premises environments. You will play a critical role in maintaining secure, scalable, and high-performing networks while supporting global connectivity and business operations.

Requirements

• Bachelor’s degree in Computer Science, Information Technology, or a related field, or equivalent experience.
• 7+ years of enterprise network engineering experience supporting large-scale environments.
• Strong expertise in WAN technologies including SD-WAN and QoS.
• Advanced experience with network security technologies, including:
• Palo Alto (Panorama, GlobalProtect, Distributed User-ID)
• F5 configuration and troubleshooting
• Cisco ISE (802.1x, TACACS+, IoT, Guest access)
• Cisco ASA with VPN implementation
• PKI infrastructure
• Wireless networking expertise including Cisco WLC, 802.1x authentication, MAB, and FlexConnect deployments.
• Datacenter networking experience with Cisco Nexus and VMware vSphere environments.
• Experience designing and supporting networks across AWS and Azure cloud platforms.
• Proven ability to design, configure, and administer large-scale enterprise networks.
• Cisco CCNP certification or equivalent expertise preferred.
• Strong troubleshooting, analytical, and problem-solving skills.
• Experience working in Managed Service Provider (MSP) environments is a plus.

Responsibilities

• Design, plan, and maintain secure and cost-effective corporate network infrastructure across AWS, Azure, and on-premises environments.
• Implement and manage WAN, LAN, and datacenter networking solutions with a strong emphasis on security and reliability.
• Lead network projects across their full lifecycle, from evaluation and architecture design to configuration and deployment.
• Implement Zero Trust security architectures to reduce attack surfaces and prevent unauthorized access.
• Monitor network performance and ensure system availability, reliability, and capacity planning.
• Troubleshoot complex network issues and provide rapid resolution.
• Perform network assessments and optimization initiatives to enhance performance and resilience.
• Evaluate emerging technologies and recommend improvements to strengthen the enterprise network architecture.
• Maintain accurate network documentation including configurations, diagrams, and procedures.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level