Tata Consultancy Services is an equal opportunity employer, our commitment to diversity & inclusion drives our efforts to provide equal opportunity to all candidates who meet our required knowledge & competency needs, irrespective of any socio-economic background, race, color, national origin, religion, sex, gender identity/expression, age, marital status, disability, sexual orientation or any others. We encourage anyone interested to build a career in TCS to participate in our recruitment & selection process.
TCS is seeking skilled professionals to join our team as a
Network Access Control.
Responsibilities:
Design and Manage Network Access Control Policies:
Develop and enforce comprehensive NAC policies to ensure the security and integrity of our network.
Deploy and Maintain Authentication Systems:
Implement and manage network authentication systems, with a focus on Aruba Clear Pass, to support micro-segmentation and zero-trust architectures.
Incident Response:
Act as a key responder to network security incidents, ensuring the effectiveness and resilience of our access control systems.
System Monitoring and Optimization:
Continuously monitor, analyze, and optimize our NAC solutions to ensure they are performing effectively and meeting security requirements.
Collaboration:
Work closely with other IT and security teams to integrate NAC solutions with other security tools and to ensure a cohesive security strategy.
Documentation:
Create and maintain detailed documentation of NAC configurations, policies, and procedures.
Technical/Functional Skills:
Clear Pass Policy Manager (CPPM):
In-depth knowledge of Clear Pass for network access control (NAC), authentication,



authorization and accounting (AAA). This is critical for Zero Trust security.
Network Security Principles:
Strong understanding of security best practices, including firewalls, intrusion detection/prevention systems (IDS/IPS), VPNs and security auditing.
Zero Trust Security:
Knowledge of Zero Trust principles and how to implement them using Aruba Clear Pass and other security tools. This includes micro‑segmentation and continuous authentication.
Authentication & Authorization:
Expertise in configuring and managing authentication protocols (e.g., 802.1 X, RADIUS, TACACS+) and authorization policies.
Security Compliance:
Familiarity with relevant security compliance standards (e.g., GDPR, HIPAA, PCI DSS) and how to configure Aruba ESP to meet those standards.
Threat Detection & Response:
Skills in identifying and responding to security threats, including malware, phishing attacks, and denial‑of‑service attacks. Integration with SIEM (Security Information and Event Management) systems is often important.
Automation & Scripting:
It would be beneficial a proficiency in scripting/Ia C languages for automating network configuration, monitoring, and troubleshooting tasks, including interaction with Aruba APIs
Qualifications:
Advanced knowledge of English
Bachelor's degree in Computer Science, Information Technology, or a related field.
3 + years of experience in network engineering, with a focus on operations.
Familiarity with network monitoring and analytics tools.
Work modality: On site or Hybrid
Candidate must be located in or willing to relocate to Querétaro. it will be requested to attend office at least 3 days per week.

📌 Network engineer (Santiago de Querétaro)
🏢 Tata Consultancy Services
📍 Santiago de Querétaro