Network Security Lead

Cynosure Corporate Solutions

7 years

0 Lacs

Chennai Tamil Nadu India

Posted:6 days ago| Platform:

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Skills Required

network security design migrate scanning documentation reports risk analysis firewall deployment configuration radware optimization management cisco migration ids wan segmentation vpn aws azure gcp kubernetes docker microservices siem splunk qradar automation ansible terraform compliance owasp nist communication coordination itil leadership mentoring certification

Work Mode

On-site

Job Type

Full Time

Job Description

Key Responsibilities

Design and manage WAF rules to prevent application attacks (SQLi, XSS).
Configure and optimize load balancers for security and performance.
Migrate and revamp firewalls with minimal downtime and improved policy structure.
Perform security assessments vulnerability scanning and penetration testing.
Collaborate with SOC teams to investigate and respond to threats.
Coordinate with ISPs/vendors for upgrades and threat mitigation.
Maintain documentation policies, configurations, incident reports, and MIS reports.
Guide and mentor team members on technical requirements.
Handle risk analysis, OEM escalations, and critical issue resolution.
Interact effectively with customers and vendors.

Key Skills Expertise

Web Application Firewall (WAF): Hands-on experience with F5 ASM, Imperva, FortiWeb deployment, configuration, and management.
Load Balancer: Proficiency in F5 LTM/GTM, Radware ADC optimization and troubleshooting.
Firewall Management: Experience with Palo Alto, FortiGate, Cisco Firepower revamp, migration, rule optimization.
Network Security Concepts: Strong knowledge of Zero Trust, DDoS protection, SSL/TLS, IDS/IPS.
Secure Network Design: LAN/WAN segmentation, DMZ, VPN, NAC implementations.
Cloud Security: Familiar with AWS, Azure, GCP Security Groups, NACLs, WAF, Cloud Firewalls.
Container Security: Kubernetes, Docker microservices and container-level protection.
SIEM Tools: Splunk, QRadar, ELK, RSA for threat detection and response.
Automation: Ansible, Terraform for policy management and infrastructure as code.
Incident Management: WAF/firewall/DDoS incident handling and RCA.
Compliance: Awareness of PCI-DSS, OWASP Top 10, NIST standards.

What We Need

B.E/B.Tech (CSE/IT/EEE/ECE/EIE), MCA, M.Sc./MS in Computer Science.
7+ years in network security; 2+ years in firewalls/WAF/load balancers and 2+ years in application security.
Led at least 23 full implementation projects as an individual contributor.
Completed major migration/revamp of WAF/LB/Firewall.
Strong communication, coordination, and problem-solving skills.
Familiarity with ITIL/ITSM processes (incident/change management).
Team player with leadership and mentoring capability.
CCSP, F5-ASM, PCNSE, CCNP Security, CEH certification is a plus

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