Network Security & Cisco ISE Specialist - VOIS

VOIS; Maharashtra; On-site; INR 1,800,000 - 2,800,000; Full time

Job summary

VOIS seeks a skilled Network Security & Cisco ISE Specialist to support critical security and operational platforms in a global telecom environment in Maharashtra, India. The role focuses on Cisco ISE, authentication platforms, and integration with SIEM, MFA, and monitoring tools while driving automation and operational excellence across diverse teams.

You will contribute to digital transformation initiatives and ensure secure, reliable services with rigorous incident response and documentation.

Qualifications

• Hands-on Cisco ISE administration and policy management.
• Experience with authentication and access control across networks.
• Exposure to SIEM, MFA, and external integrations.
• Proficiency in scripting for automation and tooling.
• Strong incident analysis and root-cause diagnostic skills.

Responsibilities

• Manage, configure, upgrade and maintain Cisco ISE environments and related policies.
• Administer authentication platforms and enforce secure provisioning.
• Integrate security platforms with SIEM, LDAP, MFA and monitoring tools.
• Troubleshoot incidents and deliver timely service restoration.
• Develop automation via APIs and scripting to improve efficiency.
• Coordinate lifecycle activities including upgrades and deployments.
• Collaborate with cross-functional teams to implement improvements.
• Monitor security posture, alerts, and operational metrics.
• Maintain documentation and contribute to knowledge sharing.
• Support hardware lifecycle activities and vendor engagement.

Skills

Cisco ISE administration

Network security

Authentication & access management

Scripting & automation

SIEM integration

MFA knowledge

Networking fundamentals

Incident troubleshooting

Documentation & reporting

Education

Bachelor's degree in Computer Science / IT / Engineering

Tools

Python

UNIX/Linux

REST APIs

Job description

We are seeking a skilled Network Security & Cisco ISE Specialist to support and enhance critical operational support systems and network security platforms within a global telecommunications environment. This role is responsible for ensuring the availability, security, performance, and continuous improvement of Cisco Identity Services Engine (ISE), authentication platforms, and associated network security solutions. The successful candidate will work across multiple technologies, vendors, and stakeholders to deliver secure, reliable, and customer‑focused services while driving automation, operational excellence, and digital transformation initiatives.

What You’ll Do

• Manage, configure, upgrade, and maintain Cisco ISE environments, including policies, command sets, dictionaries, patches, and domain onboarding activities.
• Administer authentication and access management platforms, ensuring effective policy enforcement and secure user, device, and network provisioning.
• Integrate security platforms with external technologies such as SIEM, LDAP, MFA, TACACS+, and monitoring solutions.
• Support network security technologies including DDoS protection platforms, RPKI, authentication systems, and operational assurance tools.
• Troubleshoot incidents, perform root‑cause analysis, review logs, and deliver timely service restoration within agreed service levels.
• Develop and utilize automation capabilities through APIs and scripting to improve operational efficiency and customer experience.
• Coordinate application lifecycle activities including upgrades, testing, production deployments, maintenance, and change management.
• Collaborate with network, engineering, infrastructure, vendor, and operational teams to support platform enhancements and service improvements.
• Monitor service health, security posture, vulnerabilities, dashboards, alerts, and key operational metrics.
• Produce operational reports, maintain technical documentation, and contribute to knowledge‑sharing initiatives.
• Support hardware lifecycle activities including performance monitoring, asset tracking, warranty coordination, and vendor engagement.
• Contribute to the adoption of emerging technologies, including software‑defined networking and modern network automation capabilities.

Who You Are

• Experience working within telecommunications, network operations, operational support systems, or network security environments.
• Hands‑on expertise in Cisco ISE administration, configuration management, policy creation, and operational support.
• Strong understanding of authentication, authorisation, access control, and identity management technologies.
• Knowledge of Unix/Linux operating systems and exposure to automation, scripting, or API‑based integrations.
• Familiarity with security technologies such as multi‑factor authentication, DDoS protection, vulnerability management, and SIEM platforms.
• Understanding of networking protocols and technologies, including SNMP, ICMP, and network device management.
• Experience analysing technical issues, interpreting data, and delivering effective incident resolution.
• Knowledge of information security governance, compliance requirements, and operational best practices.
• Ability to work collaboratively across diverse teams and manage multiple priorities in a dynamic environment.
• Strong communication, documentation, and stakeholder management skills.
• Professional certification in Cisco ISE or a related network security discipline is advantageous.
• Experience working within IT or telecommunications environments is preferred.
• Flexibility to support 24x7 rotating operational requirements.

What’s In It For You

• Opportunity to work on globally critical network security and operational platforms.
• Exposure to multi‑vendor technologies and large‑scale international telecommunications environments.
• Involvement in digital transformation, automation, and operational excellence initiatives.
• Collaborative working culture that promotes knowledge sharing, innovation, and continuous improvement.
• Support for professional development, learning opportunities, and long‑term career growth.
• Work‑life balance through effective prioritisation and partnership with leaders and colleagues.
• Opportunity to contribute to customer‑focused services that support global connectivity.

What Skills You Will Learn

• Advanced Cisco ISE deployment, integration, and operational management techniques.
• Enterprise network security architecture and access management practices.
• Security platform integration across SIEM, MFA, authentication, and operational support systems.
• Automation, API utilisation, and operational process optimisation.
• Vulnerability management, security monitoring, and reporting capabilities.
• Software‑defined networking concepts and modern network operations practices.
• Cross‑functional stakeholder management and global service delivery expertise.
• Agile, DevOps, ITIL, and continuous improvement methodologies.

VOIS Equal Opportunity Employer Commitment

Vodafone recognises and celebrates the value of diversity in building a workforce that reflects the customers and communities it serves. No form of discrimination is tolerated. This includes, but is not limited to, discrimination based on race, colour, age, veteran status, gender identity, gender expression, sexual orientation, pregnancy, maternity or parental status, ethnicity, disability, religion or belief, political affiliation, trade union membership, nationality, citizenship, indigenous status, medical condition, HIV status, neurodiversity, social origin, cultural background, marital or civil partnership status, or socio‑economic background.