Network Security & Cisco ISE Specialist - VOIS

Vodafone; Pune District; On-site; INR 1,500,000 - 2,100,000; Full time

Job summary

VOIS (Vodafone Intelligent Solutions) is seeking a Network Security & Cisco ISE Specialist to support Cisco ISE, authentication platforms, and related security solutions in a global telecom setting. The role emphasizes availability, security, performance, automation, and transformation initiatives.

Responsibilities include ISE administration, integration with SIEM/MFA, and cross-functional collaboration to deliver secure, reliable services with 24x7 operational coverage.

Qualifications

• Hands-on Cisco ISE administration, configuration, and policy creation.
• Experience with authentication, access control, and identity management.
• Familiarity with Unix/Linux and scripting/API integrations.
• Exposure to SIEM platforms and security technologies (MFA, DDoS, vulnerability mgmt).
• Knowledge of SNMP/ICMP and network device management.
• Ability to analyse issues and drive incident resolution.
• Understanding of governance, compliance, and best practices.

Responsibilities

• Manage, upgrade, and maintain Cisco ISE environments and policies.
• Administer authentication and access management platforms.
• Integrate security platforms with SIEM, LDAP, MFA, TACACS+, and monitoring tools.
• Support security technologies including DDoS protection and vulnerability monitoring.
• Develop automation via APIs and scripting to improve operations.
• Coordinate lifecycle activities: upgrades, testing, deployments, maintenance, change management.
• Collaborate with cross-functional teams to enhance platforms and services.
• Monitor security posture, dashboards, and operational metrics; document knowledge.

Skills

Cisco ISE administration

Authentication & IAM

Linux/Unix

Automation & scripting

SIEM integration

DDoS protection

Network security concepts

Operational incident response

Vendor coordination

Education

Cisco ISE certification

Tools

Cisco ISE

Job description

Overview

VOIS (Vodafone Intelligent Solutions) is a strategic arm of Vodafone Group Plc, creating value for customers by delivering intelligent solutions through Talent, Technology & Transformation. As the largest shared services organisation in the global telco industry with 30,000 FTE, VOIS partners with customers across Vodafone Group, local markets, and partner markets to simplify and drive growth. This partnership with Accenture brings together in-house and third-party capability to deliver transformation. VOIS operates across 28 countries from 10 locations: Albania, Egypt, Hungary, India, Romania, Spain, Turkey, UK, Germany, Ireland, and teams in the Czech Republic, Italy, Greece, and Portugal.

About this Role

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.

Responsibilities

• 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 utilise 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.

Qualifications

• 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.

Not a perfect fit?

Vodafone is committed to creating an inclusive workplace where everyone can thrive. If you are excited about this role but your experience does not align exactly with every aspect of the job description, you are encouraged to apply. You may be the right candidate for this or another opportunity, and the recruitment team will support you in exploring where your skills fit best.

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.

Join Us

At Vodafone, we’re working hard to build a better future. A more connected, inclusive and sustainable world. As a dynamic global community, it\'s our human spirit, together with technology, that empowers us to achieve this. We challenge and innovate in order to connect people, businesses, and communities across the world. Delighting our customers and earning their loyalty drive us, and we experiment, learn fast and get it done, together. With us, you can truly be yourself and belong, share inspiration, embrace new opportunities, thrive, and make a real difference.

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