Senior Network Engineer

As THE leader in transit technology, Hitachi Mobility Multimodal Solutions (HMMS - formerly known as Clever Devices) vision is to make meaningful contributions to worldwide mobility. Our goal is to be the leading provider of exciting technology that improves the quality of mobility in communities around the world. We are continuing to grow, and are looking for a Senior Network Engineer join our team.

The Senior Network Engineer Lead is responsible for designing, implementing, and maintaining enterprise network and cloud infrastructure to ensure secure, scalable, and highly available connectivity. This role provides technical leadership across network engineering initiatives, with a strong emphasis on Microsoft Azure networking, hybrid connectivity, security, and Infrastructure as Code (IaC).

Key Responsibilities:

- Technical Leadership: Provide technical direction, mentorship, and oversight to network engineering initiatives and team members.

- Network & Security Engineering:

• Design, configure, and manage FortiGate, pfSense, and Cisco firewalls

• Implement VPNs, security appliances, and secure access solutions

• Ensure adherence to enterprise security standards

Azure & Cloud Networking:

• Design and manage Azure networking (VNet, DNS, NSGs, VPN Gateway)

• Implement and support Azure ExpressRoute for hybrid connectivity

• Enforce Azure network security and governance controls

Infrastructure as Code (IaC):

• Develop and manage infrastructure using Terraform

• Automate provisioning, scaling, and configuration of network resources

LAN/WAN & Switching:

• Design and maintain complex LAN/WAN environments

• Configure switching, routing, and high-availability solutions

Wireless Networking:

• Design secure and scalable wireless environments

• Support voice, video, and enterprise mobility solutions

Network Operations:

• Support multi-site infrastructure across on-prem and cloud

• Perform system upgrades, patching, and maintenance

Monitoring & Performance:

• Implement monitoring solutions (Grafana and related tools)

• Analyze performance and proactively resolve issues

Technical Support:

• Provide Tier 3 escalation support, including end-user and desktop troubleshooting

• Collaborate with internal teams and external vendors

System & Server Coordination:

• Support systems and servers associated with network services

• Ensure uptime and service reliability

Troubleshooting & Incident Response:

• Diagnose and resolve complex network and infrastructure issues

• Perform root cause analysis

Documentation & Compliance:

• Maintain network diagrams, configurations, and SOPs

• Ensure audit readiness and compliance standards

Project Delivery:

• Lead and deliver infrastructure projects on time and within scope

Additional Duties:

• Deploy Sign technologies
• Support real-time location system infrastructure

Core Skills & Qualifications (ATS Keywords):

Cloud & Azure Networking

• Azure Virtual Networks (VNet), NSG, Azure DNS
• Azure VPN Gateway, ExpressRoute (design & implementation)
• Azure network security and hybrid cloud design
• AZ-700 Certification (required or preferred)

Network & Security Technologies

• FortiGate firewall administration (advanced)
• pfSense deployment (on-prem & cloud)
• Cisco routing & switching (LAN/WAN)
• VPN, IPsec, SSL-VPN, NAT, segmentation

Infrastructure & Automation

• Terraform / Infrastructure as Code (IaC)
• Automation of provisioning and configuration
• Scripting (PowerShell / Windows scripting)

Monitoring & Tools

• Grafana (monitoring & visualization)
• Network performance tuning and observability tools

Core Networking Knowledge

• DNS, TCP/IP, BGP, routing protocols
• HTTP/S, email routing, network security fundamentals

End-User & Support Experience

• Desktop and end-user support
• Hardware/software troubleshooting
• Incident and escalation management

Professional Skills

• Strong communication (written & verbal)
• Cross-functional collaboration
• Time management and project delivery
• Documentation and process standardization

Requirements:

- Education: Bachelor’s degree in Computer Science, Information Technology, or equivalent experience

- Experience:

• 5+ years of network engineering experience
• Proven experience in Azure networking and hybrid infrastructure

HMMS, (Hitachi Rail CD U.S. Ltd.) is an Affirmative Action/Equal Opportunity Employer