Infrastructure & Network Engineer

Infrastructure & Network Engineer

Denver CO WHQ

Full time

Johns Manville is a leading manufacturer and marketer of premium-quality insulation and commercial roofing, along with glass fibers and nonwovens for commercial, industrial and residential applications. Our products are used in a wide variety of industries including building products, aerospace, automotive and transportation, filtration, commercial interiors, waterproofing and wind energy.

A proud member of the Berkshire Hathaway family of companies, we serve customers in more than 80 countries around the globe. We are committed to delivering positive and powerful experiences, because we are successful only when our employees and customers thrive. We are passionate, we care about people, we perform at a superior level, and we protect others and our environments.

$96,900.00-$ Annual

This role is for an Infrastructure & Network Engineer who wants to design, modernize, and protect the systems that keep a global manufacturing organization running. You won't just "keep the lights on"—you will lead enterprise-wide infrastructure upgrades, solve complex networking challenges, and directly enable business continuity, plant performance, and operational efficiency.

You will own critical infrastructure across corporate offices, manufacturing plants, high‑availability data centers, and global networks, working at the intersection of IT engineering, business needs, and industrial operations.

You will be successful in this role by consistently delivering stable, secure, and scalable infrastructure while driving measurable business outcomes:

• Deliver enterprise infrastructure projects on time and on budget, from design through implementation.
• Increase reliability and uptime across global LAN, WAN, wireless, voice, and data center environments.
• Reduce incident frequency and resolution time through proactive monitoring, root‑cause analysis, and documentation.
• Enable secure manufacturing operations by supporting plant floor networking, IP devices, and industrial systems.
• Modernize legacy infrastructure through thoughtful adoption of new networking, security, and voice technologies.
• Be trusted as a technical authority and problem solver by both IT and business stakeholders.

• Lead and support enterprise-wide network and infrastructure projects across corporate and plant environments.
• Partner with business leaders and IT stakeholders to translate requirements into scalable technical solutions.
• Assess current‑state environments and design upgrades that improve performance, security, and resiliency.
• Provide cost‑benefit analysis and technical recommendations for new initiatives.
• Ensure projects meet architectural standards, budget expectations, and delivery timelines.

• Own troubleshooting and resolution of complex network, voice, wireless, and IP‑based infrastructure issues.
• Administer and maintain LAN/WAN, firewalls, wireless, data centers, phone systems, and IP device networks.
• Perform proactive assessments, documentation, and continuous improvement activities.
• Support a diverse manufacturing environment, adapting solutions to plant floor and industrial constraints.
• Contribute to enterprise standards, best practices, and long‑term infrastructure roadmaps.

• Bachelor's degree or equivalent professional experience.
• 5+ years of hands‑on experience designing, implementing, and supporting enterprise network and IP‑based solutions.
• Certifications such as Cisco CCNA, Aruba, or Fortinet, or equivalent experience (voice or camera certifications a plus), with a willingness to expand across all domains.

Solid Expertise In:

• LAN design and implementation, including structured cabling
• Switch, router, and firewall configuration and support
• IP‑based devices (cameras, security, industrial systems) and their network interactions
• Network troubleshooting and root‑cause analysis
• Clear technical communication and customer‑focused support

• Network routing (BGP, OSPF) and advanced…