Network Administrator
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
Skills Required
- 3–5 years of hands-on experience in network administration, network engineering, or a similar role
- Experience designing, configuring, implementing, and troubleshooting Cisco infrastructure, including routers, switches, wireless technologies, and enterprise network services
- High proficiency with Fortinet products, including FortiManager, FortiGates, FortiNDR, FortiAnalyzer, and 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, and segmentation strategies
- Strong understanding of OSI model, VLANs, routing, network security, DNS, and DHCP
- Experience supporting complex networking and security environments, troubleshooting, creating procedures, technical documentation, and developing standards
- Strong understanding of cybersecurity controls, secure network architecture, data protection, endpoint security, and defenses against unauthorized access
- Ability to work independently and manage priorities across a global, multi-site environment
- Bachelor’s degree in Computer Science, Information Technology, or a related field, or equivalent work experience
- Cisco CCNA or CCNP certification
- Fortinet NSE 4+ certification
- CompTIA Network+ or Security+ certification
- Experience supporting global or multi-subsidiary network environments
- Experience with network automation tools such as CiscoAI Canvas or Cisco Cloud Control
What We Do
Our story began in 1936 with the world's first rapid carbon determinator, transforming the American iron and steel industry with fast, reliable results. For 90 years, LECO has been a trusted global leader in analytical instrumentation. Today, that same innovative spirit drives our complete portfolio of solutions, which has led to global recognition of expertise in elemental analysis, mass spectrometry and metallography and optical equipment. Our instruments solve complex challenges across a range of applications: Metals & Materials Science: Precise elemental and thermal analysis for metals, ceramics, and advanced materials. Protein Analysis: Rapid, accurate protein analysis for nutritional labeling and quality control. Petrochemical: Characterize complex hydrocarbon mixtures and monitor elemental content with mass spectrometry and elemental analysis. Battery Materials: Measure carbon/sulfur and graphite content to support performance, safety, and quality control in advanced energy storage technologies. Food Safety: Comprehensive screening for contaminants like MOSH/MOAH, pesticide residues, and other unknown threats to ensure product integrity and regulatory compliance. Flavor & Aroma: High-resolution separation and identification of volatile/semi-volatile compounds for authenticity and sensory profiling. Agriculture: Quantify key soil indicators like Total Organic Carbon (TOC) to support sustainable farming. Environmental: Detect trace microplastics and PFAS in soil and water. Life Sciences: Non-targeted metabolomics research powered by high-resolution mass spectrometry for deeper biological insights. With in-house manufacturing, every LECO product meets strict standards for quality and precision. Our network of 25 subsidiaries and distributors allows us to sell in over 75 countries, ensuring you receive unmatched local support, service, and application expertise. Discover how our solutions help your lab achieve accurate, efficient, and reliable results.





