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Introduction

A career in IBM Consulting is built on long-term client relationships and close collaboration worldwide. You’ll work with leading companies across industries, helping them shape their hybrid cloud and AI journeys. With support from our strategic partners, robust IBM technology, and Red Hat, you’ll have the tools to drive meaningful change and accelerate client impact. At IBM Consulting, curiosity fuels success. You’ll be encouraged to challenge the norm, explore new ideas, and create innovative solutions that deliver real results. Our culture of growth and empathy focuses on your long-term career development while valuing your unique skills and experiences.

Your role and responsibilities

We are seeking L3 Network Security Engineer (Firewall Management) is a senior-tier role focused on the architecture, high-level engineering, automation, and governance of an organization's perimeter and internal network security infrastructure.

An L3 engineer owns the overall health, design, and strategic evolution of the firewall ecosystem.

1. Core ResponsibilitiesArchitecture & Engineering

• Enterprise Design: Design, implement, and maintain high-availability (HA) firewall topologies across on-premises data centers, branch offices, and multi-cloud environments (AWS, Azure, GCP).

• Next-Gen Capabilities: Architect and optimize advanced security features including SSL/TLS decryption, Intrusion Prevention Systems (IPS/IDS), Advanced Threat Protection (ATP), and Zero Trust Network Access (ZTNA).

• Micro-Segmentation: Define and enforce network zone segmentation strategies to contain potential breaches and isolate critical assets (e.g., PCI-DSS zones, production vs. non-production).

Escalation & Advanced Troubleshooting

• Tier-3 Escalation: Act as the final technical escalation point for complex network security incidents, routing anomalies, or performance degradation.

• Deep Packet Analysis: Perform advanced packet captures (PCAPs), session flow analysis, and cryptographic troubleshooting to diagnose intricate connectivity issues.

• Root Cause Analysis (RCA): Lead post-incident reviews for high-severity network security outages and implement preventive engineering measures.

Lifecycle & Governance

• Major Upgrades & Migrations: Plan and execute major firewall OS upgrades, hardware refreshes, and greenfield deployments with zero-downtime execution strategies.

• Automation & DevOps: Develop Infrastructure as Code (IaC) templates and scripts (using Ansible, Terraform, or Python) to automate rule deployment, compliance auditing, and configuration backups.

• Policy Governance: Establish the "Golden Configuration" standard. Oversee the lifecycle of firewall rules, ensuring the elimination of shadowed, redundant, or overly permissive policies.

2. Technical Skill ProfilePrimary Firewall Platforms (Expertise in at least one or two)

• Palo Alto Networks: Strata Firewalls, Panorama management, Prisma Access.

• Fortinet: FortiGate, FortiManager, FortiAnalyzer.

• Check Point: Quantum Security Gateways, SmartConsole.

• Cloud Native: AWS Network Firewall, Azure Firewall Premium.

Core Networking & Infrastructure

• Routing & Switching: Deep understanding of BGP, OSPF, EIGRP, policy-based routing (PBR), and SD-WAN architectures.

• Network Services: Advanced knowledge of DNS, DHCP, NAT/PAT, and IPsec VPN/GRE tunneling.

• Network Security Orchestration (NSM): Experience with tools like Tufin, AlgoSec, or FireMon for compliance and policy automation.

3. Recommended Performance & Success KPIs

For an L3 position, performance tracking moves away from ticket volume and focuses on systemic stability and architectural efficiency:

MetricTarget / ObjectiveArchitectural UptimeMaintain 99.99% availability across the firewall fabric through robust HA/DR design.Automation VelocityPercentage of standard firewall policy deployments moved from manual intervention to automated CI/CD pipelines.Rule Base EfficiencyMeasurable quarterly reduction in policy bloat, unutilized objects, and shadowed rules.Emergency Change RateMinimizing standard outages by ensuring less than 5% of all firewall modifications require emergency windows.

Required education

Bachelor's Degree

Preferred education

Bachelor's Degree

Required technical and professional expertise

• Exposure to Cloud Security: Familiarity with cloud security challenges, risks, and vulnerabilities, including experience working with hybrid cloud infrastructure and applications.

• Secure Infrastructure Knowledge: Understanding of secure infrastructure principles, including hands-on experience with security and zero trust principles in an infrastructure security context.

• Incident Response Experience: Exposure to analyzing and resolving security incidents, including experience developing and implementing incident response plans.

• Security Consulting Skills: Experience providing consulting services to clients, including conducting interviews, workshops, and assessments to identify potential security issues.

• Hybrid Cloud Applications: Familiarity with secure applications of hybrid cloud, including experience developing infrastructure security strategies and programs tailored to business needs.

Preferred technical and professional experience

• Cloud Security Frameworks: Exposure to industry-recognized cloud security frameworks and standards, including knowledge of compliance requirements and regulatory mandates.

• Advanced Threat Analysis: Familiarity with advanced threat analysis and incident response methodologies, including experience with threat intelligence and security analytics tools.

• Zero Trust Architecture: Understanding of zero trust architecture principles and implementation strategies, including experience designing and deploying secure infrastructure solutions.

**Years of Experience:**5 - 9

ABOUT BUSINESS UNIT

IBM Consulting is IBM’s consulting and global professional services business, with market leading capabilities in business and technology transformation. With deep expertise in many industries, we offer strategy, experience, technology, and operations services to many of the most innovative and valuable companies in the world. Our people are focused on accelerating our clients’ businesses through the power of collaboration. We believe in the power of technology responsibly used to help people, partners and the planet.

YOUR LIFE @ IBM

In a world where technology never stands still, we understand that, dedication to our clients success, innovation that matters, and trust and personal responsibility in all our relationships, lives in what we do as IBMers as we strive to be the catalyst that makes the world work better.

Being an IBMer means you’ll be able to learn and develop yourself and your career, you’ll be encouraged to be courageous and experiment everyday, all whilst having continuous trust and support in an environment where everyone can thrive whatever their personal or professional background.

Our IBMers are growth minded, always staying curious, open to feedback and learning new information and skills to constantly transform themselves and our company. They are trusted to provide on-going feedback to help other IBMers grow, as well as collaborate with colleagues keeping in mind a team focused approach to include different perspectives to drive exceptional outcomes for our customers. The courage our IBMers have to make critical decisions everyday is essential to IBM becoming the catalyst for progress, always embracing challenges with resources they have to hand, a can-do attitude and always striving for an outcome focused approach within everything that they do.

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ABOUT IBM

IBM’s greatest invention is the IBMer. We believe that through the application of intelligence, reason and science, we can improve business, society and the human condition, bringing the power of an open hybrid cloud and AI strategy to life for our clients and partners around the world.

Restlessly reinventing since 1911, we are not only one of the largest corporate organizations in the world, we’re also one of the biggest technology and consulting employers, with many of the Fortune 500 companies relying on the IBM Cloud to run their business. 

At IBM, we pride ourselves on being an early adopter of artificial intelligence, quantum computing and blockchain. Now it’s time for you to join us on our journey to being a responsible technology innovator and a force for good in the world.

IBM is proud to be an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, genetics, pregnancy, disability, neurodivergence, age, or other characteristics protected by the applicable law. IBM is also committed to compliance with all fair employment practices regarding citizenship and immigration status.

OTHER RELEVANT JOB DETAILS

When applying to jobs of your interest, we recommend that you do so for those that match your experience and expertise. Our recruiters advise that you apply to not more than 3 roles in a year for the best candidate experience. For additional information about location requirements, please discuss with the recruiter following submission of your application.

Job Title

Security Consultant - L3 Network Security Engineer (Firewall Management)

Job ID

123404

City / Township / Village

Pune

State / Province

Maharashtra

Country

India

Work arrangement

Onsite

Area of work

Consulting

Employment type

Regular

Position type

Professional

Travel required

Up to 20% or 1 day a week

Company

(0063) IBM India Private Limited

Shift

Rotation

Is this role a commissionable/sales incentive based position?

No

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