Sr Network Engineer
Los Angeles, California
(View all jobs)

Function:

DS Enterprise Applications

Requisition ID:

1037076

Our Company

We’re Hitachi Digital Services, a global digital solutions and transformation business with a bold vision of our world’s potential. We’re people-centric and here to power good. Every day, we future-proof urban spaces, conserve natural resources, protect rainforests, and save lives. This is a world where innovation, technology, and deep expertise come together to take our company and customers from what’s now to what’s next. We make it happen through the power of acceleration.

Imagine the sheer breadth of talent it takes to bring a better tomorrow closer to today. We don’t expect you to ‘fit’ every requirement – your life experience, character, perspective, and passion for achieving great things in the world are equally as important to us.

The Team

You will join the IT Infrastructure & Operations team, responsible for designing, maintaining, and securing the enterprise network infrastructure that supports global operations. The team delivers reliable connectivity across on-premises environments and multi-cloud platforms including AWS and Azure, while maintaining strong security standards.

Working with advanced networking and security technologies such as Cisco routers and switches, VeloCloud SD-WAN, Palo Alto, F5, Cisco ISE, and Zero Trust architectures, the team ensures high availability, secure connectivity, and optimal performance for global business systems.

The Role

As a Network Engineer Lead, 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.

Key responsibilities include:

  • 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.
  • 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.
  • Hands-on experience deploying end-to-end network infrastructure in office or enterprise environments
  • Ability to configure WLC for wireless network management
  • Experience with switching, routing, and firewall configuration
  • Knowledge of network security, VLANs, and segmentation
  • Experience setting up network racks, structured cabling, and UPS systems
  • Ability to ensure reliable connectivity, redundancy, and uptime

What You’ll Bring

  • Bachelor’s degree in Computer Science, Information Technology, or a related field, or equivalent experience.
  • 10+ 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)-MUST
    • F5 configuration and troubleshooting
    • VeloCloud SD-WAN- MUST
    • Cisco ISE (802.1x, TACACS+, IoT, Guest access)-MUST
    • Cisco ASA with VPN implementation
    • Cisco WLC- MUST
    • PKI infrastructure
    • Zscaler experience is MUST
  • Wireless networking expertise including Cisco WLC, 802.1x authentication, MAB, and Flex Connect 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.

About us

We’re a global, team of innovators. Together, we harness engineering excellence and passion to co-create meaningful solutions to complex challenges. We turn organizations into data-driven leaders that can make a positive impact on their industries and society. If you believe that innovation can bring a better tomorrow closer to today, this is the place for you.

 

 

Fostering innovation through diverse perspectives

Hitachi is a global company operating across a wide range of industries and regions. One of the things that sets Hitachi apart is the diversity of our business and people, which drives our innovation and growth.

We are committed to building an inclusive culture based on mutual respect and merit-based systems. We believe that when people feel valued, heard, and safe to express themselves, they do their best work.

How we look after you

We help take care of your today and tomorrow with industry-leading benefits, support, and services that look after your holistic health and wellbeing. We’re also champions of life balance and offer flexible arrangements that work for you (role and location dependent). We’re always looking for new ways of working that bring out our best, which leads to unexpected ideas. So here, you’ll experience a sense of belonging, and discover autonomy, freedom, and ownership as you work alongside talented people you enjoy sharing knowledge with.

We’re proud to say we’re an equal opportunity employer and welcome all applicants for employment without attention to race, colour, religion, sex, sexual orientation, gender identity, national origin, veteran, age, disability status or any other protected characteristic. Should you need reasonable accommodations during the recruitment process, please let us know so that we can do our best to set you up for success.

 

Who We Are

We’re Hitachi Digital Services, a global digital solutions business. We’re people centric and here to power good.

Learn More

Meet our People

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Hoan Quoc Vu
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Hoan Quoc Vu

The best way to stay ready for the future is to stay curious, adaptable, and never stop learning.

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Ha Hue Tran
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Ha Hue Tran

I value the collaborative culture and diverse teams at Hitachi Digital Services, which have broadened my perspective and supported my…

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Tuan Quoc Nguyen
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Tuan Quoc Nguyen

Don’t just do the task — think about the broader impact. That’s how you make a difference.

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Hang My Nguyen
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Hang My Nguyen

Continuous learning isn’t just a buzzword at Hitachi Digital Services; it’s what keeps me motivated and growing.

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