Network security Engineer at Appiness Interactive Pvt. Ltd. · Remote only · 10 - 17 years · ₹9L - ₹50L / yr · Bootstrapped · Remote only · Posted 30 Sep 2026
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
Shubham Vishwakarma
Full Stack Developer - Averlon
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Full Stack Developer - Averlon