Tata Communications
Website:
tatacommunications.com
Job details:
About The Company
Tata Communications Redefines Connectivity with Innovation and IntelligenceDriving the next level of intelligence powered by Cloud, Mobility, Internet of Things, Collaboration, Security, Media services and Network services, we at Tata Communications are envisaging a New World of Communications
Job Title: TACACS Administrator (Aruba CPPM & Cisco ISE)
Experience Required: Minimum 6+ years
Location: Pune
Employment Type: Full-time
Industry: BFSI (Banking, Financial Services, and Insurance)
Job Summary
We are seeking an experienced TACACS Administrator with strong expertise in enterprise network security environments, specifically within BFSI domains. The ideal candidate will have hands-on experience with TACACS implementations using Aruba ClearPass Policy Manager (CPPM) and Cisco Identity Services Engine (ISE), along with a solid understanding of AAA frameworks and regulatory compliance requirements.
Key Responsibilities
- Design, implement, and manage TACACS+ solutions in enterprise BFSI environments.
- Configure and maintain TACACS services on Aruba ClearPass Policy Manager (CPPM) and Cisco ISE.
- Integrate TACACS with network devices including routers, switches, firewalls, and wireless controllers.
- Implement and enforce role-based access control (RBAC) aligned with least privilege principles.
- Monitor authentication, authorization, and accounting (AAA) logs for audit and compliance purposes.
- Ensure high availability, redundancy, and disaster recovery readiness of TACACS infrastructure.
- Troubleshoot TACACS-related issues across multi-vendor environments.
- Collaborate with security, audit, and risk teams to align with organizational policies.
- Maintain detailed documentation, audit trails, and standard operating procedures (SOPs).
- Perform upgrades, patching, and lifecycle management of CPPM and ISE platforms.
- User Access Management
Compliance & Regulatory Requirements (BFSI)
- Ensure TACACS and AAA implementations comply with BFSI regulatory standards and internal security policies.
- Support compliance with frameworks such as:
- RBI (Reserve Bank of India) cybersecurity guidelines
- PCI-DSS (for payment systems security)
- ISO 27001 / ISO 27002
- SOC 2 (where applicable)
- Maintain audit-ready configurations, logs, and reports for internal and external audits.
- Implement strong authentication controls, privileged access management (PAM), and segregation of duties (SoD).
- Enforce periodic access reviews and certification processes.
- Ensure secure logging, retention, and archival in line with regulatory requirements.
- Participate in audit assessments, vulnerability remediation, and compliance reporting.
Required Skills & Qualifications
- 6+ years of experience in network security / AAA administration, preferably in BFSI domain.
- Strong hands-on experience with:
- Aruba ClearPass Policy Manager (CPPM) – TACACS configuration and management
- Cisco ISE – TACACS administration and policy configuration
- Deep understanding of TACACS+, RADIUS, and AAA concepts.
- Experience in implementing security controls in regulated environments.
- Strong troubleshooting and analytical skills.
- Familiarity with network protocols (TCP/IP, SSH, SNMP, etc.).
- Experience integrating with identity sources such as Active Directory / LDAP.
Preferred Qualifications
- Certifications such as:
- Cisco CCNP Security / CCIE Security
- Aruba Certified ClearPass Professional (ACCP)
- Experience with automation (Python, Ansible)
- Exposure to SIEM tools and log management solutions
Soft Skills
- Strong communication skills for working with audit and compliance teams
- Attention to detail and documentation rigor
- Ability to work in high-security, regulated environments
- Proactive problem-solving mindset
Click on Apply to know more.