Network Security L3 Engineer

Role Overview

We are looking for an experienced Network Security Engineer to design, implement, maintain, and secure enterprise network infrastructure. The role requires a strong understanding of network security principles, hands-on experience with security technologies, and the ability to troubleshoot complex network and security issues.

The ideal candidate will work closely with network, infrastructure, cloud, application, and security teams to ensure secure, resilient, and highly available network environments. The candidate should be comfortable handling security incidents, performing root-cause analysis, implementing security controls, and contributing to continuous improvement of the organization's network security posture.

Key Responsibilities

• Design, implement, configure, and maintain enterprise network security infrastructure.
• Manage and support network security technologies including firewalls, VPNs, IDS/IPS, secure gateways, and network access controls.
• Configure and maintain security policies, access rules, NAT, VPN tunnels, and related network security controls.
• Monitor network traffic and security events to identify potential threats, anomalies, and unauthorized access.
• Troubleshoot complex network connectivity and security-related issues and perform root-cause analysis.
• Investigate and respond to network security incidents in coordination with security and infrastructure teams.
• Review firewall and network security rules regularly and ensure they follow established security standards and business requirements.
• Support secure connectivity across data centers, corporate networks, remote locations, cloud environments, and third-party networks.
• Participate in network security assessments, vulnerability remediation, and security hardening activities.
• Implement and maintain network segmentation and access-control mechanisms.
• Work with internal teams to assess security requirements for new applications, infrastructure, and network changes.
• Participate in change management, implementation, and post-change validation activities.
• Maintain network security documentation, architecture diagrams, configurations, and operational procedures.
• Contribute to security improvement initiatives, automation, standardization, and operational efficiency.
• Work with vendors and technology partners for issue resolution, upgrades, and technical escalations.
• Ensure network security operations align with organizational policies, industry standards, and compliance requirements.

Required Skills

• Strong experience in network security engineering and enterprise networking.
• Good understanding of TCP/IP, DNS, DHCP, HTTP/HTTPS, routing, switching, VLANs, and network protocols.
• Hands-on experience with enterprise firewalls and security gateways.
• Strong understanding of VPN technologies, IPsec, SSL/TLS, NAT, and access-control policies.
• Experience with IDS/IPS, network monitoring, traffic analysis, and security event investigation.
• Experience troubleshooting network and security issues across complex environments.
• Good understanding of network security architecture, segmentation, and secure connectivity.
• Experience with incident management, change management, and root-cause analysis.
• Familiarity with security best practices, vulnerability management, and network hardening.
• Strong analytical, troubleshooting, and problem-solving skills.
• Good written and verbal communication skills with the ability to work effectively with technical and non-technical stakeholders.

Preferred Skills

• Experience with security technologies from vendors such as Palo Alto, Fortinet, Cisco, Check Point, or similar.
• Exposure to cloud networking and cloud security across AWS, Azure, or GCP.
• Knowledge of Zero Trust, SASE, SD-WAN, or network access control concepts.
• Experience with security monitoring/SIEM platforms.
• Exposure to scripting or automation using Python, PowerShell, or similar technologies.
• Relevant certifications such as CCNA/CCNP Security, PCNSE, Fortinet certifications, or equivalent are an advantage.

Key Competencies

• Network Security Engineering
• Enterprise Network Troubleshooting
• Firewall & VPN Management
• Security Incident Handling
• Network Monitoring & Analysis
• Security Hardening
• Root-Cause Analysis
• Risk & Vulnerability Awareness
• Change & Configuration Management
• Stakeholder Communication
• Problem Solving
• Documentation & Process Discipline

Greeting from Nam info!

We have a job opportunity for FortiGate Firewall , interested candidate & Kindly share your updated cv

Role description: FortiGate Firewall

Exp : 5+years

Work Location : Mumbai

Notice period : Immediate -15Days

Key Responsibilities

FortiGate Firewall Operations & Management

• Deploy, and maintain enterprise FortiGate firewall infrastructure and Security Fabric
• Configure and optimize FortiGate security policies, NAT rules, and traffic shaping
• Manage Forti Manager for centralized policy management and Forti Analyzer for logging and reporting
• Implement and maintain FortiGate high availability (HA) clusters and virtual domains (VDOMs)
• Perform advanced troubleshooting using FortiGate CLI and diagnostic tools
• Manage FortiGate firmware upgrades, patches, and security updates F5 BIG-IP Administration & Optimization
• Configure and maintain F5 BIG-IP systems including LTM, GTM, ASM, and APM modules
• Design advanced load balancing configurations with custom health monitors and persistence
• Implement SSL/TLS termination, certificate management, and SSL offloading strategies
• Develop and maintain complex iRules for application-specific traffic management
• Configure F5 Application Security Manager (ASM) policies and web application firewall rules
• Manage F5 Access Policy Manager (APM) for secure remote access and authentication
• Perform F5 system maintenance, upgrades, and disaster recovery procedures Technical Leadership & Incident Response
• Serve as Level 3 escalation point for complex FortiGate and F5 technical issues
• Lead critical incident response for security breaches and application delivery failures
• Conduct root cause analysis and implement preventive measures
• Develop technical documentation, runbooks, and knowledge base articles
• Participate in 24/7 on-call rotation for emergency response.

Required Technical Skills Qualifications

Expert-level FortiGate proficiency:

• FortiOS configuration and management
• FortiManager and FortiAnalyzer administration
• Security Fabric implementation and management
• VPN technologies (SSL VPN, IPSec)
• VDOM configuration and management
• FortiGate clustering and high availability.

Advanced F5 BIG-IP expertise:

• Local Traffic Manager (LTM) advanced configurations
• Global Traffic Manager (GTM) for DNS load balancing
• Application Security Manager (ASM) policy management
• Access Policy Manager (APM) implementation
• iRules development and troubleshooting
• SSL certificate lifecycle management
• Strong understanding of network protocols (TCP/IP, HTTP/HTTPS, DNS)
• Experience with network packet analysis and troubleshooting tools
• Knowledge of application delivery and web application security concepts

Certifications

• Fortinet Network Security Expert (NSE 7 or NSE 8)
• F5 Certified Technology Specialist (F5-CTS)
• F5 Certified Solution Expert (F5-CSE) - Highly Preferred
• Fortinet NSE 4 Security Professional

Sandhya D

Senior Executive Staffing

Roles & Responsibilities:-

1. Provide technical support to customers via phone, email, and ticketing system regarding Palo Alto Networks security products
2. Troubleshoot and resolve customer issues related to firewall policies, network connectivity, VPN configurations, threat prevention, and security features
3. Collaborate with customers, cross-functional teams, and vendors to diagnose and resolve complex technical issues
4. Perform system configurations and assist customers with initial product installations, upgrades, and migrations
5. Monitor and analyze system logs and events to identify and respond to security threats and performance issues
6. Document customer interactions, troubleshooting steps, and solutions in a knowledge base
7. Stay up-to-date with latest trends and advancements in network security technologies and industry best practices

Ideal Candidate:-

1. Strong Firewall / Network Security Support Profile with Palo Alto exposure
2. Mandatory (Experience 1): Must have around 2 years of experience in network security, with hands-on firewall support (Palo Alto preferred), and knowledge of network security concepts and protocols (TCP/IP, VPN, SSL/TLS, IDS/IPS, next-generation firewalls).
3. Mandatory (Experience 2): Must be able to perform system configurations and assist with installations, upgrades, and migrations, and monitor/analyse system logs and events to respond to security threats and performance issues.
4. Mandatory (Tech skill): Must be able to troubleshoot firewall policies, network connectivity, VPN configurations, and threat-prevention issues, with a basic understanding of network infrastructure (routers, switches, load balancers).
5. Mandatory (Skill): Must have strong analytical and problem-solving skills, provide support via phone/email/ticketing, document interactions and solutions in a knowledge base, and collaborate with customers, cross-functional teams, and vendors.
6. Mandatory (Domain): Banking-industry experience preferred; strong candidates with the same technical experience from another industry are acceptable.
7. Mandatory (Note): Must be comfortable with a 24/7 rotational shift environment and on-call support at the client site (IDFC Bank, Airoli, Navi Mumbai)
8. Mandatory (Communication): Must have excellent verbal and written communication, able to explain technical concepts clearly.
9. Preferred (Product / Education): Familiarity with Palo Alto Networks products (PAN-OS, GlobalProtect, WildFire); Bachelor's degree in Computer Science, IT, or a related field.

🚨 We're Hiring: Network Engineer 🚨

ZigZag AI is looking for a Network Engineer with 1+ year of hands-on experience to join our team!

What we're looking for:

🔹 Solid working knowledge of Firewalls & Firewall Rules

🔹 Experience with NVR/DVR systems

🔹 Strong understanding of Port Forwarding & NAT

🔹 Good communication skills — both Hindi and English are a must

Compensation: ₹4 LPA

About ZigZag AI:

Zigzag AI is building the future of operational intelligence. Our AI connects to existing cameras and helps businesses understand what is happening on the ground, spot issues early, and take action faster. From shops and bungalows to hotels, factories, and hospitals, Zigzag helps teams run smoother, safer, and smarter operations every day.

This is not just monitoring. This is AI that drives execution.

Trusted by leading clients such as Tata, Birla, Treebo, JP Minda, Philips, and many more.

If you're someone who enjoys solving real-world networking problems and wants to grow with a fast-paced, mission-driven team, we'd love to hear from you!

#Hiring #NetworkEngineer #ITJobs #FirewallEngineer #CCTV #NVR #DVR #JobOpening #ZigZagAI #OperationalIntelligence

Network Engineer – L3

Location: Mumbai | On-site

Experience: 8–10 Years

Key Responsibilities:

• Install, configure, maintain and troubleshoot network & security infrastructure.
• Handle LAN/WAN, BGP, OSPF, HSRP/VRRP, VLAN, STP, SVI & LACP.
• Manage Cisco/Juniper switches, routers and firewalls.
• Work on Fortinet/Checkpoint/Juniper/Cisco firewalls, SD-WAN & ACI-SDN.
• Troubleshoot VPN, NAT, GRE, P-VPN, routing and connectivity issues.
• Monitor network performance using NMS, SNMP & Syslog.
• Coordinate with customers, vendors and TAC teams for issue resolution.
• Support data centre connectivity, network projects and RFP specifications.
• Participate in network upgrades, maintenance and troubleshooting.

Key Skills:

• Strong TCP/IP, IPv4/IPv6, BGP, OSPF, HSRP/VRRP knowledge.
• Hands-on experience with Cisco/Juniper/Mellanox/Dell/Arista.
• Firewall experience with Fortinet/Checkpoint/Cisco/Juniper.
• Experience in Data Centre environments.
• Good communication and troubleshooting skills.
• Willingness to work in shifts, weekends and holidays.

Technical Consultant – Palo Alto Networks

Company: Inflow Technologies

Website: https://inflowtechnologies.com

About: Founded in 2005, Inflow Technologies is a niche IT Infrastructure Distribution Services player offering Value Added Distribution in Networking, Cybersecurity, UCC, AIDC, Surveillance, Server, Storage & Software across India/South Asia. HQ in Bangalore, 20+ locations, 120+ certified technical resources, USD 700M+ annual run-rate revenue.

Location: Bangalore

Work Mode: Work From Office

Work Days: 5 days/week

Position Overview

Senior-level, high-impact technical role driving architecture, implementation, and optimization of Palo Alto Networks' enterprise security solutions. Acts as SME bridging security engineering and client-facing technical consultation.

Key Responsibilities

• Design, deploy, and optimize Palo Alto NGFW solutions in complex enterprise environments
• Provide L3/L4 escalation support for Palo Alto firewall, Prisma, and Cortex-related issues (PAN-OS)
• Architect and implement: Prisma Access (SASE/ZTNA), Prisma Cloud (CSPM, CWPP, CNAPP), Cortex XDR/XSOAR
• Advanced troubleshooting: traffic flow issues, security policy mismatches, VPN (IPSec/GlobalProtect), threat prevention, URL filtering, SSL decryption
• Lead end-to-end implementation projects (design, deployment, migration, optimization)
• Integrate Palo Alto solutions with SIEM/SOC platforms, IAM (SAML, Azure AD, Okta), and public cloud (AWS, Azure, GCP)
• Manage HA, clustering, and firewall upgrades
• Liaise with Palo Alto TAC for critical issue resolution
• Conduct security assessments, best practice reviews, and performance tuning
• Maintain technical documentation (HLDs/LLDs, SOPs, runbooks)
• Mentor L1/L2 engineers
• Participate in change management, maintenance windows, and incident response

Requirements

• Experience: 6–12 years in network and security engineering (min 6 years)
• Education: Bachelor's degree in Computer Science, Engineering, or related field

Process

• Interview Rounds: 2 Virtual + Final Face-to-Face

Job Summary:

We are looking for an experienced Network Engineer with , Check Point firewalls, network security, and routing protocols. The ideal candidate should have experience in network troubleshooting, firewall configuration, security policy management, and maintaining reliable network infrastructure.

Key Responsibilities:

• Work on Check Point firewall administration, security policies, and rule management.
• Configure and maintain firewall policies, NAT, VPNs, and access control rules.
• Troubleshoot network connectivity issues and firewall-related incidents.
• Implement and support routing protocols such as BGP, OSPF, and static routing.
• Monitor network performance, investigate network issues, and ensure network availability.
• Perform firewall upgrades, configuration backups, and security policy reviews.
• Work on network security, incident resolution, and root cause analysis.
• Coordinate with network, security, and infrastructure teams to resolve technical issues.

Mandatory Skills:

• Network Engineering and troubleshooting
• Check Point Firewall
• Routing Protocols (BGP, OSPF, Static Routing)
• Firewall configuration and security policy management

Secondary Skills:

• Python scripting and network automation
• VPN, NAT, and network security
• Firewall monitoring and troubleshooting
• Incident management and root cause analysis

Technical / Behavioral-

• Working experience on Juniper SRX Firewalls and Checkpoint Firewalls
• working experience on Routing Protocols: BGP, OSPF, VPNs, Switching and STP, VX LAN
• Coding Knowledge on Python and Ansible
• Troubleshoot issues related to the network and Security environment.
• Experience with ITIL and Project Management.
• Ability to work in a team environment.
• Strong knowledge on IPS/IDS, Packet Capture Analysis.
• Communication and presentation skills.
• Documentation of complex technologies and topologies based on based practices.
• Experience with Wireshark packet captures.
• Experience in Automation, Python and Ansible

Job Summary

We are looking for an experienced Network Engineer with strong expertise in network security, firewall administration, Check Point, Juniper SRX, routing protocols, and Python scripting. The candidate will be responsible for managing, configuring, troubleshooting, and optimizing enterprise network infrastructure while ensuring secure and reliable connectivity.

Key Responsibilities

• Configure, manage, and troubleshoot enterprise network devices, firewalls, and security appliances.
• Administer and maintain Check Point firewalls, including security policies, NAT rules, VPNs, and access control.
• Manage Juniper SRX firewalls, including security zones, policies, NAT, IPsec VPNs, and threat prevention.
• Implement and troubleshoot routing protocols such as BGP, OSPF, EIGRP, and static routing.
• Perform network troubleshooting related to connectivity, packet loss, latency, routing, and firewall traffic.
• Configure and maintain site-to-site VPNs and remote-access VPN solutions.
• Monitor network performance, analyze traffic logs, and investigate security incidents.
• Perform firewall rule reviews, configuration backups, software upgrades, and security patching.
• Develop Python scripts to automate network configuration, monitoring, reporting, and routine operational tasks.
• Work with network monitoring tools, packet analyzers, and logging platforms to identify and resolve network issues.
• Participate in incident management, root cause analysis (RCA), change management, and network maintenance activities.
• Maintain network documentation, configuration standards, and operational runbooks.

A Network Engineer is responsible for designing, implementing, and maintaining an organization’s computer networks to ensure reliable connectivity, security, and performance. The role involves configuring routers, switches, firewalls, and other networking equipment, as well as monitoring network activity to prevent downtime and optimize efficiency.