Network Security Engineer

GSPANN Technologies, Inc

Gurugram District

On-site

INR 1,200,000 - 1,800,000

Full time

14 days+

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Benefits offered by this job

Nurturing work environment

Ample opportunities for learning

Supportive company culture

Job summary

A global IT consulting firm in Gurugram is seeking a Network Security Engineer with over 10 years of experience. The role involves designing and managing secure enterprise networks, deploying DDI Infoblox solutions, and managing Cisco ISE for network access control. Strong candidates will have expertise in troubleshooting complex security issues and ensuring compliance with security frameworks. The position offers a collaborative work culture and ample opportunities for personal and professional growth.

Qualifications

Minimum 10-15 years of enterprise network experience.
7+ years of hands-on enterprise network security.
Excellent troubleshooting and problem-solving skills.

Responsibilities

Design and troubleshoot secure enterprise networks.
Deploy and manage Cisco ISE.
Respond to and investigate network security incidents.

Skills

LAN Security

WAN Security

Cisco Identity Services Engine

DDI Infoblox

Network Access Control

Troubleshooting

Technical Documentation

Problem-Solving

Education

Cisco: Infoblox NIOS certifications / CCNP / equivalent

CCNP Security

Job description

Overview

Headquartered in California, U.S.A., GSPANN provides consulting and IT services to global clients. We help clients transform how they deliver business value by helping them optimize their IT capabilities, practices, and operations with our experience in retail, high-technology, and manufacturing. With five global delivery centers and 1900+ employees, we provide the intimacy of a boutique consultancy with the capabilities of a large IT services firm.

Role: Network Security Engineer

Experience: 10+ Years

Work Location: Gurugram

Responsibilities

We are seeking a highly skilled Network Security Engineer with strong experience in LAN & WAN Security with Cisco Identity Services Engine (ISE), and DDI Infoblox’s. The ideal candidate will be responsible for designing, implementing, managing, and troubleshooting secure and efficient enterprise networks while ensuring compliance with security policies.
DDI Infoblox – Deploy, configure, and manage Infoblox DDI solutions (DNS, DHCP, IPAM).
Troubleshoot advanced DNS/DHCP/GRID issues and ensure service availability.
Implement security features (DNS Firewall, RPZ, Threat Protection).
Perform IPAM administration, capacity planning, and integration with network tools.
Handle L3 escalations, root cause analysis, and automation tasks.
Collaborate with network/security teams for DDI design and policy enforcement.
Network Access Control (Cisco-ISE) – Deploy, configure, and manage Cisco ISE for NAC solutions.
Implement authentication/authorization policies (802.1x, MAB, posture).
Troubleshoot complex ISE, RADIUS, TACACS+ issues.
Integrate ISE with AD, PKI, Firewalls, WLC, and switches.
Support network access security, profiling, BYOD, guest access.
Handle escalations and perform root cause analysis.

Security Compliance & Incident Response

Closure of vulnerability and security audits in sync with security team.
Respond to and investigate network security incidents.
Ensure compliance with security frameworks and regulatory requirements.
Work closely with infrastructure, security, and application teams to deliver secure network solutions.
Create and maintain technical documentation, network diagrams, and standard operating procedures.

Technical Expertise

Cisco ISE: Policy configuration, profiling, BYOD, posture validation.
Strong knowledge of NAC design, policies, and troubleshooting.
Expertise in AAA, 802.1x, certificates, TrustSec/SXP.
Strong expertise in DNS, DHCP, IPAM, and GRID architecture.
Knowledge of DNSSEC, IPv6, Anycast, and redundancy models.
Minimum 10-15 years of enterprise network experience with 7+ years of hands-on enterprise network security and team management.
Certifications: Cisco: Infoblox NIOS certifications / CCNP / equivalent preferred; CCNP Security.

Qualifications

Excellent troubleshooting and problem-solving skills.
Strong written and verbal communication abilities.

Why choose GSPANN

We GSPANNians are at the heart of the technology that we pioneer. We do not service our customers, we co-create. With the passion to explore solutions to the most challenging business problems, we support and mentor the technologist in everyone who is a part of our team. This translates into innovations that are path-breaking and inspirational for the marquee clients we co-create a digital future with.

GSPANN is a work environment where you are constantly encouraged to sharpen your abilities and shape your growth path. We support you to become the best version of yourself by feeding your curiosity, providing a nurturing environment, and giving ample opportunities to take ownership, experiment, learn and succeed.

We’re a close-knit family of more than 1400 people that supports one another and celebrates successes, big or small. We work together, socialize together, and actively serve the communities we live in.

At GSPANN, we do not service. We Co-create.

Discover your inner technologist - Explore and expand the boundaries of tech innovation without the fear of failure.

Accelerate your learning - Shape your career while scripting the future of tech. Seize the ample learning opportunities to grow at a rapid pace.

Feel included - At GSPANN, everyone is welcome. Age, gender, culture, and nationality do not matter here, what matters is YOU.

Inspire and Be Inspired - When you work with the experts, you raise your game. You’re in the company of marquee clients and extremely talented colleagues.

Enjoy Life - We celebrate milestones and victories, big or small, and come together as one GSPANN family.

Give Back - We serve communities and support sustainability and social change in our endeavors.

Seniority level