Role & responsibilities

G3 Network Security Engineer Required Skills

Experience

- 5–8 years of relevant experience in Network Security.
- Minimum 3+ years of hands-on experience with Palo Alto Firewalls in a production environment.

Mandatory Technical Skills:

- Strong administration and troubleshooting of Palo Alto Firewalls.
- Hands-on experience with Panorama (device groups, templates, template stacks, policy deployment, troubleshooting).

- Strong understanding of

- Security Policies
- NAT
- App-ID
- User-ID
- Security Profiles (IPS, Antivirus, Anti-Spyware, URL Filtering, WildFire)

- Routing knowledge:

- BGP
- OSPF
- Static Routing

- High Availability (HA) deployment and troubleshooting.
- Packet capture analysis and traffic flow troubleshooting.
- Log analysis using CLI, Monitor, ACC, or SIEM tools (Splunk preferred).
- PAN-OS upgrades, content updates, and rollback planning.
- VPN troubleshooting (Site-to-Site IPsec).

Cloud Knowledge (Preferred)
- Palo Alto VM-Series on AWS and Azure.
- Basic cloud networking concepts (VPC/VNet, Security Groups, Route Tables, Load Balancers).

Additional Technologies (Preferred)
- F5 LTM (basic administration and troubleshooting).
- Azure Networking.
- AWS Networking.
- Basic understanding of WAF, DNS, and Load Balancing.

Operational Skills
- Production incident handling (P1/P2/P3).
- Root Cause Analysis (RCA).
- Change implementation and rollback planning.




- Working in ITIL environments using ServiceNow or equivalent.
- Monitoring and troubleshooting using enterprise monitoring tools.

Troubleshooting Expectations. Candidate should independently troubleshoot:
- Traffic drops.
- NAT issues.
- VPN failures.
- Routing problems.
- HA failovers.
- Policy matching issues.
- Performance-related incidents.
- Certificate-related issues.

Communication Skills
- Strong verbal and written communication.
- Ability to independently handle customer bridge calls.
- Ability to explain technical issues clearly to customers and leadership.
- Professional stakeholder management during incidents.
- Clear and structured incident updates without excessive prompting.

What I Look for During Interviews:
- Real production experience rather than theoretical knowledge.
- Strong troubleshooting methodology.
- Ability to explain why a solution works, not just what command to run.
- Confidence in handling customer-facing situations.
- Good ownership, analytical thinking, and problem-solving skills.
- Transparent, concise communication throughout the interview. This skill set aligns well with a G3/L2–L3 engineer who is expected to work independently, troubleshoot complex production issues, participate in customer bridge calls, and handle implementation and operational activities with minimal supervision.

Preferred candidate profile

📌 Network Engineer (Bengaluru)
🏢 Coders Brain
📍 Bengaluru