We are currently seeking a Network End User Specialist to join our team in Guadalajara, Jalisco (MX-JAL), Mexico (MX). Position Title Network End User Specialist Position Summary We are seeking a skilled IT & Network Engineer with strong experience in enterprise networking, security operations, and Zscaler technologies. The ideal candidate will be responsible for designing, implementing, supporting, and optimizing secure network infrastructure and cloud security solutions across the organization. This role requires hands‑on expertise in network administration, troubleshooting, endpoint connectivity, firewall management, VPN technologies, and Zero Trust security architectures using Zscaler products such as ZIA, ZPA, and ZDX. Key Responsibilities Network & Infrastructure Management Configure, maintain, and troubleshoot enterprise LAN/WAN environments. Support routing, switching, DNS, DHCP, VPN, and wireless technologies. Monitor network performance, availability, and security. Perform network capacity planning and optimization. Manage firewall policies, access control lists, and secure remote connectivity. Implement and administer Zscaler Internet Access (ZIA), Zscaler Private Access (ZPA), and Zscaler Digital Experience (ZDX). Configure security policies, SSL inspection, traffic forwarding, and cloud application controls. Troubleshoot user connectivity and application access issues within Zscaler environments. Support Zero Trust Network Access (ZTNA) initiatives and secure access strategies. Integrate Zscaler with identity providers such as Azure AD, Okta, or Active Directory. Analyze security logs, alerts, and traffic behavior to identify risks or anomalies. Support endpoint deployment and configuration of Zscaler Client Connector. IT Operations & Support Provide Level 2/Level 3 technical support for network and infrastructure incidents. Collaborate with cybersecurity, cloud, and infrastructure teams. Document network topology, configurations, SOPs, and troubleshooting procedures. Participate in change management, patching, and maintenance activities. Support incident response and root cause analysis activities. Required Skills & Qualifications Technical Skills Strong knowledge of: TCP/IP, DNS, DHCP, VLANs, NAT, VPNs Routing and switching technologies Firewalls and network security principles Zero Trust architecture concepts Proxy technologies and SSL inspection Hands‑on experience with: Zscaler ZIA Zscaler ZPA Zscaler Client Connector ZDX (preferred) Experience with networking vendors such as: Cisco Palo Alto Fortinet Aruba Familiarity with: Active Directory Azure AD / Entra ID SSO and MFA solutions SIEM and monitoring tools Understanding of cloud networking concepts in AWS, Azure, or GCP. Soft Skills Strong troubleshooting and analytical skills. Excellent communication and documentation abilities. Ability to work independently and within global teams. Strong customer service orientation and sense of urgency. Fast learner with proactive problem‑solving capabilities. Education & Experience Bachelor’s degree in Information Technology, Computer Science, Network Engineering, or related field. 3+ years of experience in network administration or IT infrastructure support. 2+ years of hands‑on Zscaler administration experience preferred. Relevant certifications are a plus: Zscaler Certified Administrator (ZCA) Zscaler Certified Professional (ZCP) CCNA / CCNP Network+ Security+ Preferred Qualifications Experience supporting hybrid or global enterprise environments. Exposure to SD‑WAN and SASE architectures. Experience with automation or scripting (PowerShell, Python, Bash). Knowledge of ITIL processes and ticketing systems such as ServiceNow. Ability to support on‑call rotations or after‑hours maintenance when required. Hybrid or remote support experience preferred. Comfortable working in fast‑paced enterprise environments. NTT DATA is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status. For Pay Transparency information, please. For more information on your EEO rights under the law, please. For EEO Policy Statement, please. This contact information is for accommodation requests only and cannot be used to inquire about the status of applications. #J-18808-Ljbffr