Senior Network Security Engineer

**Job Summary**:
We are seeking a highly skilled Senior Network Security Engineer with deep expertise in Network Security

technologies. This is a technical, hands-on role within the Network Security Engineering & Deployment team. The

managing, designing, and troubleshooting Network Security products such as Firewalls, Intrusion Detection &
Prevention Systems (IDPS), Web Application Firewalls (WAF), Micro-segmentation, Web Proxies, and DNS.

**Roles & Responsibilities**

Part of a team that is responsible for the Network Security Engineering & Deployment function and will play a key role

in Datacenter Migration projects.

Network Transformation Architecture:

- Lead the design, engineering, and execution of next-generation network transformation solutions.

infrastructure with business needs.
- Provide technical leadership in building resilient, scalable, and secure hybrid and multicloud network

environments.

**Design, Deployment, and Operations**:

- Architect and deploy advanced Network Security across datacenters (DC1 & DC2).
- Integrate network security products with Cisco ACI environments to deliver seamless and secure connectivity

with optimal performance.
- Act as an escalation point for the Operations team on network security issues, providing Level 3

troubleshooting and SME-level support.
- Collaborate with vendors, TAC, and internal teams to resolve complex network & Security incidents and

escalations.

**Policy Management and Automation**:

- Develop and enforce policy-driven network security architectures.
- Leverage automation tools (e.g., Ansible, Python, XSOR) to enhance operational efficiency and minimize

manual interventions.
- Ensure compliance with industry standards and internal governance policies while aligning network security

configurations with best practices.

Documentation and Governance:

- Maintain accurate network security diagrams, operational runbooks, and technical documentation.
- Ensure all security implementations adhere to governance frameworks and meet regulatory compliance

requirements.

**Mentorship and Knowledge Sharing**:

- Provide Level3/SME-level support and guidance to peers and stakeholders within the organization.
- Lead knowledge transfer sessions on network security technologies and best practices.

**Requirements**:
**Preferred qualifications**:
**Education**:

- Bachelor’s or Master’s degree in Computer Science, Information Technology, or related field.
- Certifications : CISSP,CCSA ,CCSE,PCNSE,ICE,BIG-IP ASM Specialist or equivalent will be preferred.

**Technical Expertise**:
10 to 15 years of experience in Network Security technologies like Firewalls, Intrusion Detection &
Prevention Systems (IDPS), Web Application Firewalls (WAF), Micro-segmentation, Web Proxies, and DNS

**Firewall Technologies**:

- Next-Generation Firewalls (NGFWs): Understanding of advanced features like Application Awareness,

Intrusion Prevention, and Deep Packet Inspection.
- Checkpoint Firewall Architecture: Expertise in Threat Prevention, VPNs, and High Availability (HA)

configuration.
- Palo Alto Networks NGFWs: Knowledge of App-ID, WildFire, and User-ID for enhanced security.
- Firewall Rule Optimization: Experience in defining and fine-tuning access control policies and inspecting

network traffic for threats.
- Expertise in implementing DNS Security solutions to prevent attacks such as DNS Spoofing, Cache Poisoning,

and DDoS attacks targeting DNS infrastructure.

**Intrusion Detection and Prevention Systems (IDPS)**:

- Signature-Based IDS/IPS: Expertise in configuring and managing signature-based detection.
- Anomaly-Based IDS/IPS: Deep knowledge of Behavioral Analysis for detecting suspicious patterns and zero

day attacks.
- Integrated Security Operations: Integration of IDPS with SIEM systems for centralized log management and

threat detection.

**Web Application Security**:

- Web Application Firewall (WAF): Expertise in configuring and managing F5 ASM or equivalent WAF solutions
- Bot Protection and DDoS Mitigation: Knowledge of Bot Management and DDoS Defense strategies for

**Microsegmentation and Zero Trust Security**:

- Microsegmentation: Proficiency in tools like Illumio or Guardicore for isolating and securing workloads within

the data center and cloud environments.
- Zero Trust Architecture (ZTA): Expertise in defining and enforcing access policies based on identity and device

posture, and validating every user and device before granting access.

**Network Access Control (NAC)**:
Aruba ClearPass: Expertise in configuring role-based access control and integrating ClearPass with other network

security solutions.

Cisco Identity Services Engine (ISE): Knowledge of 802.1X, MAB (MAC Authentication Bypass), and Guest Access in NAC

environments.

**DNS & IP Address Management (IPAM)**:
Infoblox DDI (DNS, DHCP, IPAM): Experience in configuring and managing Infoblox for network address allocation, DNS

resolution, and advanced DNS security.

DNS Secur