Firewall Security Specialist.

5 days ago

Noida, Uttar Pradesh, India Maple Cloud Technologies Full time

Job Title: Firewall Security Specialist.

Job Type: Full-Time.

Location: Noida, Sector 63.

Experience: 3+ years.

Qualification: B.E/B.Tech or MCA.

Job Description:

As a Firewall Security Specialist, you will be responsible for designing, developing, and maintaining advanced firewall systems and network security features. You will work closely with cross-functional teams, including network security engineers, product managers, and quality assurance, to ensure the security and efficiency of our firewall products.

Key Responsibilities:

• Design, implement, and maintain robust, high-performance firewall systems and network security features.

• Ensure security policies, rulesets, and configurations are efficiently managed and optimized.

• Work with a variety of security protocols, including IPsec, SSL/TLS, VPN, IPSec, DNSSEC, and others to build and improve firewall functionality.

• Continuously improve the performance of firewall rulesets and ensure minimal impact on network latency.

• Optimize firewall software for scalability, speed, and memory usage.

• Proactively identify and mitigate security risks and vulnerabilities in the firewall system.

• Stay up to date on the latest threats and security trends, and incorporate them into firewall design and updates.

• Perform rigorous unit testing, integration testing, and troubleshooting of firewall systems.

• Collaborate with QA teams to ensure firewall solutions meet required security and performance standards.

• Maintain clear documentation on system architecture, security models, and best practices.

• Provide technical support and troubleshooting for customers using the firewall products.

• Assist with complex customer deployments and security incidents when necessary.

Required Qualifications:

• Qualification Required B.E/B.Tech or MCA along with relevant Infrastructure or Database certifications.

• Strong experience in firewall development (i.e., iptables, pf, nf tables, or similar).

• Proficiency in networking protocols (TCP/IP, DNS, HTTP/S, etc.).

• Advanced knowledge of network security technologies such as VPN, IDS/IPS, load balancing, and SSL/TLS encryption.

• Expertise in firewall rule design, policy management, and traffic inspection techniques.

• Strong coding skills in languages like C, C++, Python, or Go (experience in high-performance, low-latency applications is a plus).

• Experience with Linux/Unix-based systems and networking stacks.

• Familiarity with cloud security platforms (AWS, Azure, Google Cloud) and cloud-native firewall services.

• Familiarity with network traffic analysis, debugging tools (Wireshark, tcpdump), and logging frameworks.

Preferred Qualifications:

• Certifications such as CCSP, CISSP, CompTIA Security+, or other relevant security certifications.

• Experience with firewall-as-a-service (FWaaS) or next-generation firewall (NGFW) platforms.

• Knowledge of SDN (Software Defined Networking) and NFV (Network Function Virtualization).

• Experience working with network performance optimization and high-throughput systems.

• Familiarity with threat intelligence platforms, SIEM tools, and incident response protocols.

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