Network Administrator

LECO; Saint Joseph (MI); On-site; USD 90,000 - 130,000; Full time

Job summary

LECO, based in Saint Joseph, MI, seeks an experienced Network Administrator to support, secure, and improve our global network infrastructure. You will manage day-to-day administration across Cisco, Fortinet, and enterprise security platforms to ensure reliable operations across locations worldwide.

In this role you will design solutions, implement changes, perform upgrades, monitor performance, and respond to operational issues.

Qualifications

• 3–5 years of hands-on experience in network administration or engineering, designing, configuring, and troubleshooting Cisco infrastructure.
• Strong proficiency with Fortinet products and security operations (FortiManager, FortiGates, FortiNDR, FortiAnalyzer, FortiEMS).
• Experience with current-generation Cisco switching platforms, network automation, monitoring, and AI-enabled operations and analytics.
• Understanding of network security principles, firewall policy management, segmentation strategies, and core networking concepts (OSImodel, VLANs, DNS, DHCP).

Responsibilities

• Administer, configure, maintain, respond, and troubleshoot infrastructure platforms (switching, routing, wireless, security).
• Develop and improve network automation, monitoring, and AI-assisted operations to increase reliability and visibility.
• Perform firmware updates, security patching, configuration reviews, and maintenance tasks across network and security platforms.
• Monitor network health and performance using monitoring tools; proactively identify and resolve issues.
• Support remote access, VPN, site-to-site connectivity for a global enterprise in a hybrid cloud model.
• Lead or support projects from planning to documentation with minimal oversight.
• Conduct vulnerability reviews, threat identification, and security control improvements; disaster recovery planning/testing.

Skills

Cisco networking

Fortinet security

Network automation

AI-enabled operations

VLAN design

VPN & site-to-site

Security monitoring

Education

Bachelor's degree in CS/IT or related field

Cisco CCNA/CCNP or Fortinet NSE4

Experience with CiscoAI Canvas / Cloud Control

Tools

Cisco IOS

Fortinet FortiGate

FortiManager

Wireshark

Network monitoring tools

Job description

For over 90 years, LECO has been a leader in the development and production of world-class laboratory instruments, delivering state-of-the-art products nationwide and across the globe.

Located in St. Joseph, Michigan, LECO continues to be a family-owned company that understands the value of shared interests, long-term stability, loyalty, and trust.

Schedule: Full Time: 8:00 am - 5:00 pm, Monday - Friday

Position Summary

The experienced Network Administrator supports, secures, and continuously improves our global network infrastructure, including Cisco and Fortinet technologies. This hands-on role is responsible for the day-to-day administration, monitoring, troubleshooting, and optimization of enterprise networking systems to ensure reliable and secure business operations across multiple locations globally.

Working as part of a collaborative IT Infrastructure team, the Network Administrator will design and recommend network solutions, implement approved changes, support infrastructure upgrades and new technology deployments, monitor network performance, and respond to operational issues. The role also partners with internal stakeholders to maintain a secure, highly available network environment while identifying opportunities to improve efficiency through automation and AI-enabled capabilities where they provide measurable operational value.

This team member is proactive, adaptable, enjoys solving complex technical problems, and is comfortable working in a fast-paced environment where reliability, security, and continuous improvement are essential.

Position Responsibilities

• Administer, configure, maintain, respond, and troubleshoot infrastructure-related platforms, such as switching, routing, wireless, and security systems.
• Develop, maintain, and improve network automation, monitoring, and AI-assisted operational capabilities to increase reliability, visibility, and response.
• Perform routine lifecycle management, firmware updates, security patching, configuration reviews, and maintenance tasks across network and security platforms.
• Monitor network health, capacity, and performance using network monitoring/management tools; proactively identify and resolve issues.
• Support user-facing network and security activities, including network segmentation, VLAN design, routing configurations, VPN, site-to-site connectivity, and remote access configurations for a global enterprise in a hybrid cloud model.
• Lead or support projects of various complexity with minimal oversight, from planning and design through implementation, validation, and documentation.
• Perform vulnerability review, threat identification, security control improvement, and disaster recovery planning/testing for network and security environments.
• Quickly diagnose escalated network and security issues and provide practical solutions to support desk staff, team members, and business stakeholders.
• Participate in after-hours network/security support as needed.
• Consult and advise regarding infrastructure architecture, security best practices, standards, risks, and technical direction.
• Other duties as assigned.

Position Requirements

• At least 3-5 years of hands-on experience in network administration, network engineering, or a similar role; designing, configuring, implementing, and troubleshooting a Cisco infrastructure including routers, core/distribution/access switches, wireless technologies, and related enterprise network services.
• High proficiency with Fortinet products and security operations, including FortiManager, FortiGates, FortiNDR, FortiAnalyzer, FortiEMS, and logging/analytics tasks.
• Experience with current-generation Cisco switching platforms, network automation, monitoring, and AI-enabled operations and analytics.
• Understanding of network security principles, firewall policy management, and segmentation strategies.
• Solid understanding of core networking concepts: OSI Model and how each layer interacts with the network, VLANs, routing, Network security concepts, DNS, DHCP.
• Experience supporting complex networking and security environments, including problem-solving, troubleshooting, procedure creation, technical documentation, and standards development.
• Strong understanding of cybersecurity controls, secure network architecture, data protection, endpoint security, and defense against unauthorized access, modification, or destruction of company data.
• Ability to work independently and manage priorities across a global, multi-site environment.

Education/Certifications

• Bachelor's degree in Computer Science, Information Technology, or a related field — or equivalent work experience.
• Relevant certifications preferred, such as:
  • Cisco CCNA / CCNP (Enterprise, Security, or Wireless)
  • Fortinet NSE 4+
  • CompTIA Network+ / Security+
• Experience supporting global or multi-subsidiary network environments.
• Experience with network automation (CiscoAI Canvas, Cisco Cloud Control, or similar) a plus.

EOE M/F/VET/Disability