Job Title
L3 Firewall & Network Security Engineer
Location
Hybrid / Onsite / Remote (as applicable)
Note : Candidate should be available for f2f interview (1st round) in Mumbai location
Experience
6–10+ Years
Job Summary
We are seeking a highly skilled L3 Firewall & Network Security Engineer with strong expertise in Cisco, Palo Alto, Cloud Security, IDS/IPS, and F5 WAF technologies. The candidate will be responsible for designing, implementing, troubleshooting, and optimizing enterprise network security infrastructure while ensuring high availability, compliance, and threat protection.
Key Responsibilities
- Manage and support enterprise firewall infrastructure including:
- Cisco Firewalls
- Palo Alto Networks Firewalls
- Perform advanced L3 troubleshooting for security incidents and network outages.
- Configure, maintain, and optimize:
- IDS/IPS solutions
- VPNs (Site-to-Site & Remote Access)
- NAT, ACLs, Security Policies
- Administer and manage:
- Cloud-native security controls
- Cloud IDS/IPS solutions in AWS/Azure/GCP
- Deploy and manage:
- F5 WAF policies
- Web application protection and bot mitigation
- Conduct firewall rule reviews, policy optimization, and compliance audits.
- Analyze security logs, incidents, and alerts
- Should have experience in handling security audit observations, compliance remediation, and audit point closure activities related to firewall and network security infrastructure.
- Support change management, DR activities, and security hardening initiatives.
- Collaborate with SOC, Cloud, Network, and Application teams for issue resolution.
- Provide RCA (Root Cause Analysis) for critical incidents.
- Ensure adherence to security best practices and enterprise standards.
Required Skills
Firewall & Network Security
- Strong hands-on experience with:
- Cisco ASA / Firepower
- Palo Alto Firewalls
- Expertise in:
- Routing & Switching
- TCP/IP
- BGP / OSPF
- VPN Technologies
- High Availability
IDS / IPS
- Experience with:
- Cisco Firepower IPS
- Palo Alto Threat Prevention
- Cloud IDS/IPS solutions
Cloud Security
- Experience in:
- AWS Security Groups / NACLs
- Azure Network Security
- Cloud-native firewall/security services
- Understanding of Zero Trust and cloud security architecture.
F5 WAF
- Hands-on expertise in:
- F5 ASM / Advanced WAF
- WAF policy tuning
- Application security
- SSL offloading and LTM basics
Monitoring & Tools
- SIEM tools (Splunk, QRadar, Sentinel, etc.)
- Packet analysis tools (Wireshark)
- Vulnerability assessment tools
Preferred Certifications
- Cisco CCNP Security / CCIE Security
- Palo Alto PCNSE
- F5 Certified Administrator
Educational Qualification
- Bachelor's degree in Computer Science, IT, Electronics, or related field.
Soft Skills
- Strong analytical and troubleshooting skills
- Excellent communication and documentation abilities
- Ability to work in 24x7 support environments if required
- Incident handling and stakeholder management experience
Good to Have
- Automation using Python/Ansible
- Experience with SOC operations
- Knowledge of compliance standards like ISO 27001, PCI-DSS
Skills: security,firewall,waf,f5,network security,ips,ids
