Senior Network Security Engineer

Senior Network Security Engineer – Cisco ISE (Urgently Required)

Location: Mumbai, India (Onsite)
Experience: 6+ years

Job Summary:

We are looking for a skilled and experienced Senior Network Security Engineer (L2+) to join our team in Mumbai. The ideal candidate will have hands-on experience managing and troubleshooting complex network and security infrastructures, with a focus on Cisco ISE, FTD, FMC, ASA Firewalls, and core Routing & Switching.

Key Responsibilities:

• Manage and support Cisco Identity Services Engine (ISE) configurations, policies, and deployments.
• Implement and maintain network access control solutions using 802.1X, RADIUS, and TACACS+ protocols.
• Perform daily monitoring, troubleshooting, and resolution of network access and security issues.
• Integrate Cisco ISE with external systems such as Active Directory and Certificate Authorities.
• Configure guest access, device profiling, posture assessment, and BYOD policies.
• Analyze and respond to security incidents involving network access.
• Assist in ISE software upgrades, patches, and version management.
• Create and maintain technical documentation and standard operating procedures (SOPs).

Required Skills:

• 6+ years of experience in network security with 3+ years of direct Cisco ISE administration and support.
• Strong understanding of AAA protocols (RADIUS, TACACS+) and 802.1X configurations.
• Experience integrating ISE with Active Directory and Public Key Infrastructure (PKI).
• Hands-on expertise with ISE profiling, posture assessment, and guest access.
• Proficient in troubleshooting network authentication and security issues.
• Good understanding of network protocols, switches, and wireless infrastructure.

Preferred Skills:

• Cisco certifications such as CCNP Security, Cisco ISE Specialist, or equivalent.
• Familiarity with Cisco DNA Center and Software-Defined Access (SD-Access).
• Experience with scripting (Python, Ansible) for network automation.
• Knowledge of ITIL processes for incident, change, and problem management.

Educational Qualifications:

• Bachelor’s degree in Computer Science, Information Technology, or a related

field.

Preferred Certifications (Nice to Have):

• CCNP Security / CCIE Security
• Cisco Certified Specialist – ISE / FTD
• ITIL Foundation (optional)

Work Location:

• Onsite at customer location in Mumbai (some travel may be required)

Job Types: Full-time, Contractual / Temporary
Contract length: 6 months

Pay: ₹80,000.00 - ₹100,000.00 per month

Schedule:

• Day shift
• Monday to Friday

Experience:

• Network security: 6 years (Required)
• Cisco ISE: 3 years (Required)

Location:

• Mumbai, Maharashtra (Required)

Work Location: In person