Network Design Engineer

Mainz Brady Group; Maryland Heights (MO); On-site; USD 120,000 - 170,000; Full time

Job summary

Mainz Brady Group seeks a Senior Network Design Engineer to architect, optimize, and support complex enterprise LANs in a manufacturing setting. You will lead design initiatives, implement wired/wireless campus Ethernet, and ensure robust security with firewalls and VPNs.

Ideal candidate has 5+ years of network engineering/design experience, strong troubleshooting skills, and CCNA certification or equivalent. Collaboration with multiple teams is essential.

Qualifications

• 5+ years of Network Engineering/Design in enterprise or manufacturing environments.
• Strong LAN architecture, routing, VLANs, subnetting, and wired/wireless Ethernet.
• Experience with network security, firewalls, VPNs, QoS, and performance optimization.
• Strong Level 3 troubleshooting skills and experience with network monitoring/analysis tools.
• Ability to interpret existing network configurations and translate them into scalable future-state designs.
• Strong documentation, project coordination, communication, and cross-functional collaboration skills.
• CCNA certification or equivalent hands-on networking experience.

Responsibilities

• Design and architect complex LAN environments, including routing, VLANs, subnetting, and voice/video protocols.
• Design and implement robust wired and wireless campus Ethernet infrastructure across large-scale environments.
• Incorporate network security best practices, including firewalls, VPNs, and secure network protocols.
• Provide Level 3 Incident and Problem Management support, troubleshooting complex network issues and driving rapid service restoration.
• Use network monitoring and analysis tools to proactively identify performance issues and improve network availability.
• Partner with WAN/MAN, transport, structured cabling, project management, and other technical teams in agile-inspired sprint environments.
• Optimize network performance using QoS, traffic shaping, load balancing, and network-performance metrics.
• Create and maintain accurate network diagrams, configurations, design documentation, and technical standards.
• Read and assess existing network configurations and translate current-state environments into future-state network designs.
• Lead network design initiatives from planning through implementation, coordinating timelines, resources, dependencies, and stakeholders.
• Communicate complex network concepts clearly to both technical and non-technical stakeholders.
• Stay current with evolving networking technologies, standards, certifications, and industry best practices.

Skills

Network Design

LAN Architecture

Routing

VLANs

Subnetting

Wired/Wireless Ethernet

Network Security

QoS

Troubleshooting

Documentation

Cross-functional Collaboration

Communication

Education

CCNA certification

Tools

Network monitoring tools

Firewall management tools

VPN technologies

RFID technologies

Job description

Senior Network Design Engineer

We are seeking an experienced Senior Network Design Engineer with 5+ years of network engineering and design experience to architect, optimize, and support complex enterprise LAN environments within a manufacturing setting. This role combines hands-on network architecture with advanced troubleshooting, performance optimization, and cross-functional project delivery.

Key Responsibilities

• Design and architect complex LAN environments, including routing, VLANs, subnetting, and voice/video protocols.
• Design and implement robust wired and wireless campus Ethernet infrastructure across large-scale environments.
• Incorporate network security best practices, including firewalls, VPNs, and secure network protocols.
• Provide Level 3 Incident and Problem Management support, troubleshooting complex network issues and driving rapid service restoration.
• Use network monitoring and analysis tools to proactively identify performance issues and improve network availability.
• Partner with WAN/MAN, transport, structured cabling, project management, and other technical teams in agile-inspired sprint environments.
• Optimize network performance using QoS, traffic shaping, load balancing, and network-performance metrics.
• Create and maintain accurate network diagrams, configurations, design documentation, and technical standards.
• Read and assess existing network configurations and translate current-state environments into future-state network designs.
• Lead network design initiatives from planning through implementation, coordinating timelines, resources, dependencies, and stakeholders.
• Communicate complex network concepts clearly to both technical and non-technical stakeholders.
• Stay current with evolving networking technologies, standards, certifications, and industry best practices.

Qualifications

• 5+ years of Network Engineering/Network Design experience, ideally supporting complex enterprise or manufacturing environments.
• Strong experience with LAN architecture, routing, VLANs, subnetting, wired/wireless Ethernet, and network troubleshooting.
• Experience with network security, firewalls, VPNs, QoS, and performance optimization.
• Strong Level 3 troubleshooting skills and experience with network monitoring/analysis tools.
• Ability to interpret existing network configurations and translate them into scalable network designs.
• Strong documentation, project coordination, communication, and cross-functional collaboration skills.
• CCNA certification or equivalent hands-on networking experience.
• Experience with active or passive RFID technologies is a plus, but not required.