Network Engineer (Firewall Specialist)

Tech Mahindra Limited
United States
11 days ago
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Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Experience level
Expert
Experience required
8 years minimum
Working hours
Regular working hours
Job source

Tech stack

Amazon Web Services Application Firewall Microsoft Azure Border Gateway Protocol Cloud Computing Cloud Computing Security Complex Networks DDoS Mitigation Network Address Translation Enhanced Interior Gateway Routing Protocol Internet Protocol Security (IP SEC) Intrusion Detection Systems
+20 more
Virtual Private Networks (VPN) Network Security Network Segmentation Open Shortest Path First (OSPF) Remote Access Technology Zero Trust Network Access SAP Sales and Distribution Web Application Security TCP/IP Virtual Local Area Networks Google Cloud Firewalls (Computer Science) Palo Alto Networks Patch Management Fortinet Routing & Switching Firepower Firewall Services Module Cisco SSL VPN

Job description

The Firewall & Security Engineer (L3) is responsible for the design, implementation, administration, optimization, and support of enterprise security infrastructure. The role serves as the highest level of technical escalation for firewall, VPN, network security, and security related incident management while ensuring availability, performance, compliance, and security best practices., * Provide L3 support for enterprise firewall and security environments.

  • Design, implement, and manage firewall policies, NAT rules, VPNs, and security controls.
  • Troubleshoot complex network security incidents and perform root cause analysis.
  • Lead major incident resolution and provide expert level technical guidance.
  • Implement and maintain site to site VPN, remote access VPN, and IPsec solutions.
  • Perform firewall upgrades, migrations, patch management, and platform lifecycle activities.
  • Review and optimize security policies to improve security posture and operational efficiency.
  • Collaborate with Network, Cloud, SOC, and Application teams for security integration.
  • Support audit, compliance, and regulatory requirements.
  • Develop technical documentation, SOPs, HLDs, LLDs, and operational runbooks.
  • Mentor L1/L2 engineers and provide technical leadership across projects.

Requirements

  • Strong hands-on experience with enterprise firewalls;

ü Palo Alto Networks

ü Fortinet FortiGate

ü Cisco Firepower/ASA

ü Check Point

  • Deep understanding of:

ü Routing & Switching

ü TCP/IP, BGP, OSPF, EIGRP

ü NAT, ACLs, VLANs

ü IPsec VPN, SSL VPN

ü IDS/IPS

ü URL Filtering

ü Application Control

ü Web Security

ü DDoS Protection

  • Experience with Security Management Platforms:

ü Panorama

ü FortiManager

ü Cisco FMC

ü Check Point Smart Console

ü Knowledge of Cloud Security (Azure, AWS, Google Cloud Platform) is preferred.

ü Understanding of Zero Trust, SASE, SD WAN, and Network Segmentation.

Experience

  • 8+ years of experience in Network Security and Firewall Administration.
  • Proven experience supporting large scale enterprise environments.
  • Experience handling critical P1/P2 incidents and security escalations.
  • Exposure to security audits, risk assessments, and compliance frameworks.

Certifications (Preferred)

  • PCNSE (Palo Alto)
  • NSE 4/5/7 (Fortinet)
  • CCNP Security
  • CCIE Security
  • CISSP
  • CISM

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