Network​/System Engineer III; Global Tech Infra Services-AZ

Network / System Engineer III (Global Tech Infra Services)

Our client, a leading organization in the technology infrastructure sector, is seeking a Network / System Engineer III (Global Tech Infra Services) to join their team. As a Network / System Engineer III (Global Tech Infra Services), you will be part of the Infrastructure Services Department supporting cross-functional teams. The ideal candidate will have strong problem-solving skills, excellent communication abilities, and a proactive mindset, which will align successfully in the organization.

Location:

Chandler, AZ

• Design, implement, and support identity-based network access control solutions leveraging Cisco ISE, 802.1X, and NAC technologies.
• Collaborate across business, operations, and technology teams to develop architectural visions and create scalable, policy-driven access solutions aligned with Zero Trust principles.
• Develop and maintain architecture roadmaps, standards, and best practices for network security and segmentation.
• Lead complex solution design discussions, ensuring architecture flexibility, modularity, and adaptability.
• Mentor team members and support infrastructure resources to ensure compliance with enterprise standards and best practices.

• 10+ years of progressive experience in infrastructure, network, or security engineering, with at least 5 years in architecture or senior technical leadership roles.
• Deep expertise in AAA architectures, including 802.1X authentication, RADIUS/TACACS+ protocols, and scalable identity segmentation techniques.
• Hands-on experience with Cisco ISE design, policy, and operations.
• Strong knowledge of network protocols such as TCP/IP, HTTP, HTTPS, SSL, TLS, WPA3, Kerberos/LDAP, EAP/PEAP, GRE/IPSEC.
• Proven ability to lead cross-functional initiatives and embed security measures within network designs.

• Opportunity to work on innovative, large-scale enterprise security solutions.
• Collaborate with diverse, talented teams in a dynamic environment.
• Contribute to modernization efforts and strategic architecture development.
• Engage in continuous learning and professional growth.
• Be part of a forward-thinking organization committed to security excellence.