DDoS Engineer (A10 Thunder) - Noida Ericsson

8.0 - 13.0 years

15 - 30 Lacs

Noida

Hybrid

Ericsson is seeking an experienced DDoS Engineer with deep expertise in A10 Thunder load balancers and DDoS mitigation technologies. The ideal candidate will have a strong understanding of network traffic flows, packet structures, and common protocols, with hands-on experience protecting large-scale infrastructure from volumetric, protocol, and application-layer DDoS attacks. You will play a key role in designing, implementing, and optimizing DDoS defense mechanisms to safeguard Ericssons critical network assets. Key Responsibilities: Analyze and understand packet structures and common network protocols to monitor and troubleshoot traffic flows. Configure, manage, and optimize A10 Thunder load balancers for efficient traffic distribution and protection. Design and implement DDoS mitigation strategies focusing on L3/L4 devices, leveraging BGP or anycast routing techniques. Detect, analyze, and mitigate volumetric (e.g., SYN flood, DNS amplification), protocol, and application-layer attacks (e.g., HTTP GET flood). Utilize behavioral analytics, threshold-based triggers, and machine learning-based tools to identify and block malicious traffic. Recognize and respond to attack patterns originating from known botnets or malware such as Mirai and Mantis. Collaborate with network, security, and operations teams to enhance incident response and improve overall network resilience. Maintain and update documentation related to DDoS mitigation policies, procedures, and configurations. Stay updated with the latest trends and developments in DDoS attack vectors and defense technologies. Qualifications & Skills: Bachelors degree in Computer Science, Information Technology, or related field; advanced certifications preferred. 7 to 14 years of hands-on experience in network security, with a focus on DDoS mitigation. Strong understanding of packet structures (TCP/IP, UDP, ICMP), network protocols (BGP, DNS, HTTP/S), and traffic flow analysis. Proven experience working with A10 Thunder load balancers or equivalent traffic management devices. Deep knowledge of DDoS attack types and mitigation techniques at Layer 3, Layer 4, and application layers. Familiarity with routing protocols like BGP and techniques such as anycast for distributed denial-of-service mitigation. Experience with behavioral analytics, threshold-based alerting, and machine learning-based detection systems. Ability to identify and analyze DDoS patterns linked to botnets and malware such as Mirai and Mantis. Strong analytical and problem-solving skills with attention to detail. Excellent communication skills and ability to work effectively in cross-functional teams. Preferred: Certifications such as CCNP Security, A10 Networks Certified Engineer (ACE), or equivalent. Experience working in large telecom or enterprise network environments. Knowledge of network automation and scripting (Python, Ansible) for deployment and monitoring. Connect with me over LinkedIn : https://www.linkedin.com/in/nitin-tushir-abc0048/

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