Senior Network Security Engineer

Hi Everyone,

Sr. Network Security Engineer

Job Title: Senior Network Security Engineer – Cisco ISE, FTD, ASA

Location: Mumbai, India

Contract to Hire

Karunasree@neoprisminc.com.



Experience: 5+ 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:

• Administer, configure, and troubleshoot Cisco Identity Services Engine (ISE) for AAA, 802.1x, posture, and profiling.
• Deploy, manage, and maintain Cisco Firepower Threat Défense (FTD) with Firepower Management Center (FMC).
• Support and manage Cisco ASA firewalls, including upgrades, failover configurations, ACL management, and VPN policies.
• Perform regular health checks, tuning, and updates for all security appliances and policies.
• Respond to and troubleshoot security incidents, network performance issues, and access problems.
• Design, implement, and support enterprise-level Routing & Switching infrastructure (OSPF, EIGRP, BGP, VLANs, STP, etc.).
• Collaborate with internal and customer IT teams on change management and security hardening initiatives.
•  Create and maintain documentation for network/security configurations and SOPs.

Required Skills and Experience:

• Minimum 5 years of hands-on experience with Cisco Security solutions and enterprise networks.
• Strong knowledge and experience with Cisco ISE (Policy Set, Device Administration, Profiling, Posture, Guest Access).
•  Proficiency in Cisco FTD & FMC (rule management, intrusion policies, NAT, VPNs).
• Solid experience in managing Cisco ASA firewalls in enterprise environments.
• Good understanding of Routing & Switching protocols and architectures.
• Ability to handle L2+/L3-level support and participate in root cause analysis and solutioning.
•  Familiarity with security compliance, audits, and standard documentation practices.

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 to DR sites)