Job Description

Req ID: 371784

NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now.

We are currently seeking a Network End User Specialist to join our team in Guadalajara, Jalisco (MX-JAL), Mexico (MX).

Job Description – IT / Network Engineer with Zscaler Expertise

Position Title

IT & Network Engineer – Zscaler Administrator

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

1. Configure, maintain, and troubleshoot enterprise LAN/WAN environments.
2. Support routing, switching, DNS, DHCP, VPN, and wireless technologies.
3. Monitor network performance, availability, and security.
4. Perform network capacity planning and optimization.
5. Manage firewall policies, access control lists, and secure remote connectivity.

Zscaler Administration & Security

1. Implement and administer Zscaler Internet Access (ZIA), Zscaler Private Access (ZPA), and Zscaler Digital Experience (ZDX).
2. Configure security policies, SSL inspection, traffic forwarding, and cloud application controls.
3. Troubleshoot user connectivity and application access issues within Zscaler environments.
4. Support Zero Trust Network Access (ZTNA) initiatives and secure access strategies.
5. Integrate Zscaler with identity providers such as Azure AD, Okta, or Active Directory.
6. Analyze security logs, alerts, and traffic behavior to identify risks or anomalies.
7. Support endpoint deployment and configuration of Zscaler Client Connector.

IT Operations & Support

1. Provide Level 2/Level 3 technical support for network and infrastructure incidents.
2. Collaborate with cybersecurity, cloud, and infrastructure teams.
3. Document network topology, configurations, SOPs, and troubleshooting procedures.
4. Participate in change management, patching, and maintenance activities.
5. 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.

Work Environment

• 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.

About NTT DATA

NTT DATA is a $30 billion business and technology services leader, serving 75% of the Fortune Global 100. We are committed to accelerating client success and positively impacting society through responsible innovation. We are one of the world's leading AI and digital infrastructure providers, with unmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and application services. our consulting and Industry solutions help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more than 50 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start-up partners. NTT DATA is a part of NTT Group, which invests over $3 billion each year in R&D.

Whenever possible, we hire locally to NTT DATA offices or client sites. This ensures we can provide timely and effective support tailored to each client’s needs. While many positions offer remote or hybrid work options, these arrangements are subject to change based on client requirements. For employees near an NTT DATA office or client site, in-office attendance may be required for meetings or events, depending on business needs. At NTT DATA, we are committed to staying flexible and meeting the evolving needs of both our clients and employees. NTT DATA recruiters will never ask for payment or banking information and will only use @nttdata.com and @talent.nttdataservices.com email addresses. If you are requested to provide payment or disclose banking information, please submit a contact us form,

NTT DATA endeavors to make accessible to any and all users. If you would like to contact us regarding the accessibility of our website or need assistance completing the application process, please contact us at .  This contact information is for accommodation requests only and cannot be used to inquire about the status of applications. 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 our EEO Policy Statement, please click here . If you'd like more information on your EEO rights under the law, please click here . For Pay Transparency information, please click here .

Job Tags

Similar Jobs