Network Infrastructure Manager Jobs in Tempe, AZ

Role Summary

Leads the design, implementation, maintenance, and security of UNACEM North America's network and infrastructure environment. Responsible for ensuring the reliability, performance, and security of network, server, virtualization, and communication systems while supporting business operations across all locations. Works closely with internal stakeholders, vendors, and IT leadership to deliver stable, scalable, and secure technology solutions.

Organizational Position

Work Location: Scottsdale, Arizona

Reports To: IT Director

Purpose

Ensure the availability, security, and performance of network and infrastructure systems that support business operations while driving continuous improvement, operational reliability, and technology modernization across the organization.

Key Accountabilities

• Manage, maintain, and support enterprise network infrastructure including switches, firewalls, wireless networks, and connectivity services.
• Administer and maintain server, virtualization, storage, backup, and disaster recovery environments.
• Monitor network and infrastructure performance to ensure system reliability, availability, and capacity planning.
• Design, implement, and support infrastructure solutions for new projects, system upgrades, and business initiatives.
• Develop and enforce cybersecurity standards, access controls, and technology governance practices.
• Provide advanced technical support and escalation assistance for complex infrastructure and connectivity issues.
• Coordinate with vendors, service providers, and technology partners to resolve issues and support ongoing operations.
• Maintain network diagrams, technical documentation, system inventories, and disaster recovery procedures.
• Identify opportunities to automate infrastructure management and improve operational efficiency.
• Evaluate emerging technologies and recommend improvements that enhance security, performance, and scalability.

Knowledge

• Strong understanding of networking principles including routing, switching, VLANs, VPNs, wireless technologies, and enterprise connectivity.
• Knowledge of firewall administration, network security, and cybersecurity best practices.
• Experience with virtualization platforms, server administration, backup solutions, and disaster recovery processes.
• Understanding of Microsoft Windows Server environments, Active Directory, DNS, DHCP, and identity management.
• Knowledge of infrastructure monitoring, capacity planning, and performance optimization.
• Working knowledge of automation, scripting, and systems management tools.

Problem Solving

• Diagnoses and resolves complex network, infrastructure, and connectivity issues with minimal disruption to business operations.
• Balances security, performance, reliability, and business requirements when implementing technology solutions.
• Identifies root causes of recurring issues and develops sustainable corrective actions.
• Adapts infrastructure solutions to evolving business needs and operational requirements.

Impact

Direct: Improves infrastructure reliability, cybersecurity, system availability, and operational continuity.

Indirect: Supports business productivity, technology modernization, risk reduction, and long-term organizational growth.

Experience and Education

• Bachelor?s degree in computer science, Information Technology, Information Systems, or related technical field preferred.
• Five to eight years of experience supporting enterprise network and infrastructure environments.
• Experience with network administration, virtualization platforms, cybersecurity, server management, and disaster recovery practices required.
• Industry certifications such as CCNA, Security+, Network+, VMware, Microsoft, or equivalent certifications preferred.
• Manufacturing, mining, construction, or industrial experience preferred.
• Full proficiency in English, Spanish is desirable.

Success Profile

• Highly technical and committed to operational excellence.
• Strong problem solver capable of resolving complex infrastructure challenges.
• Proactive, organized, and focused on reliability and continuous improvement.
• Effective communicator capable of translating technical concepts into business impact.
• Demonstrates ownership, accountability, and sound decision-making.
• Role model of UNA Culture values.