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Tata Consultancy Services Limited

Network Security Firewall Consultant

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Job Description

Must Have Technical/Functional Skills
  • Hands-on experience designing, building, configuring, migrating, and supporting Check Point and Palo Alto firewalls across enterprise, data center, colocation, cloud, third-party, and industrial site environments.
  • Experience assessing as-is physical and logical networks, identifying deployment gaps, and producing low-level designs, bills of materials, migration plans, implementation runbooks, test plans, and rollback plans.
  • Strong knowledge of firewall policies, objects, NAT, zones, routing, BGP/OSPF, VPN/IPsec, high availability, clustering, segmentation, threat prevention, logging, and secure third-party connectivity.
  • Experience deploying and operating centralized firewall management platforms, including installation, onboarding, maintenance, upgrades, backup, recovery, and administrative access.
  • Experience with lifecycle management covering deployment, consolidation, hardware/software refresh, migration, decommissioning, and license or hardware coordination.
  • Ability to perform policy configuration, approval coordination, recertification, rule cleanup, optimization, duplicate/shadow rule analysis, and configuration-drift remediation.
  • Experience troubleshooting connectivity and firewall issues using packet captures, traffic logs, routing tables, session analysis, and vendor diagnostic tools.
  • Working knowledge of incident, request, problem, change, CAB, and configuration-management processes, preferably using ServiceNow.
  • Experience coordinating rack-and-stack or remote hands, go-live, migration, UAT, cutover, stabilization, knowledge transfer, and handover to operations.
  • Knowledge of secure segmentation, least privilege, ITAR/export-control requirements, and regulated delivery.
Check Point CCSA/CCSE and Palo Alto
PCNSA/PCNSE
are preferred.
  • Good to have: AlgoSec, Panorama, SmartConsole, Cisco networking, Zscaler, AWS/Azure firewalls, load balancers, WAF, Nozomi, Splunk, and automation/scripting. Roles & Responsibilities
  • Plan, coordinate, and execute firewall deployments in accordance with approved deployment processes, reference architectures, security standards, and site schedules.
  • Assess existing site and network environments to determine physical and logical requirements, identify gaps, confirm dependencies, and document prerequisites.
  • Develop firewall designs, configuration standards, bills of materials, procurement inputs, implementation plans, migration methods, test plans, backout plans, and handover artifacts.
  • Build and configure Check Point and Palo Alto firewalls and management platforms, including policies, objects, NAT, routing, VPNs, HA, logging, threat-prevention profiles, and administrative access.
  • Coordinate hardware, licensing, rack-and-stack, cabling, circuits, IP addressing, routing, DNS, monitoring, and remote-hands dependencies.
  • Execute firewall go-lives, replacements, migrations, consolidations, upgrades, and decommissioning across data centers, colos, points of presence, cloud, third-party sites, and other facilities.
  • Manage firewall and third-party connectivity operations, including incidents, requests, changes, approvals, troubleshooting, and vendor escalation.
  • Perform policy lifecycle activities including implementation, peer review, recertification, cleanup, optimization, drift remediation, compliance validation, and evidence capture.
  • Provide L2/L3 troubleshooting for connectivity, routing, VPN, NAT, HA, perfor mance, platform, and policy issues.
  • Perform or coordinate maintenance, patching, software upgrades, configuration backup, recovery testing, certificate management, health checks, capacity monitoring, and end-of-life refresh.
  • Support validation, UAT, cutover, hypercare, stabilization, SLA reporting, SOP creation, knowledge transfer, and formal handover to managed operations.
  • Follow approved ITAR/export-control, access, data-handling, change-control, audit, and records-management requirements.
Generic Managerial Skills, If any Strong communication, stakeholder coordination, technical documentation, disciplined change execution, problem-solving, and ability to work independently with global network, cloud, cybersecurity, OT, site, procurement, and vendor teams.
Salary Range:
$110,000 - $130,000 per year
TCS Employee Benefits Summary:
Discretionary Annual Incentive.
Comprehensive Medical Coverage:
Medical & Health, Dental & Vision, Disability Planning & Insurance, Pet Insurance Plans.
Family Support:
Maternal & Parental Leaves.
Insurance Options:
Auto & Home Insurance, Identity Theft Protection.
Convenience & Professional Growth:
Commuter Benefits & Certification & Training Reimbursement.
Time Off:
Vacation, Time Off, Sick Leave & Holidays.
Legal & Financial Assistance:
Legal Assistance, 401K Plan, Performance Bonus, College Fund, Student Loan Refinancing.

Benefits

  • Sick Leave
  • 401(k) Plans
  • Bonuses/Stipends
  • Health Insurance