Network Security Engineer

1 day ago

Mumbai, India Sattrix Information Security Full time

Job Title: Network Security Engineers (L1 / L2 / L3) Location: Chennai / Mumbai / Hyderabad Employment Type: Full-time | Client Role Shifts : Rotational Shifts Work Mode: Work from Office About the Role: We are looking for highly skilled and motivated Network Security Engineers (L1, L2 & L3) . You’ll be responsible for managing, operating, and optimizing a wide range of network and security tools, ensuring high availability, performance, and compliance of enterprise security systems. Experience Requirements L1: 2–4 years (minimum 1 year in Security Operations) L2: 4–6 years (minimum 5 years in Security Operations) L3 / SME: 10–12 years (minimum 7 years in Security Incident Monitoring, Security Architecture, and Security Solution Implementation) Technical Skills & Tools Mandatory: WAF: F5 (for all levels) Preferred (any 2–3 for L2/L3 levels): Proxy: SkyHigh, Zscaler (Posturing) Firewall Management: AlgoSec NSX / VMware Nginx / Akamai Micro-Segmentation: Guardicore Key Responsibilities Common Responsibilities (All Levels) Perform day-to-day operations, incident monitoring, troubleshooting, and management of security devices and tools. Work on networking technologies including Firewalls, TCP/IP, routing, and packet analysis. Manage and operate security tools : Network Security: WAF (F5 mandatory), Network APT, Secure Web Gateway IAM: PIM, RSA Endpoint Security: EDR, DAM, NAC, DLP, FIM, IRM SIEM/SOAR, Active Directory, Web Application Security Support Incident, Change, Problem, and Availability Management processes. Maintain documentation such as SOPs, dashboards, and shift handovers. Ensure SLA compliance, escalate issues appropriately, and maintain coordination with stakeholders. Additional Responsibilities (L2/L3) Handle escalations from L1; perform in-depth root cause analysis and RMA coordination. Lead automation and optimization initiatives using scripting, Ansible, REST API , etc., to reduce manual interventions. Assist in internal/external audits and configuration reviews. Develop HLD/LLD, policies, and configuration documentation. Provide mentoring, team management, and cross-functional collaboration. L3 / SME Additional Scope Design and implement security architecture and solutions. Lead migration and capacity planning initiatives. Drive security optimization and project management efforts. Coordinate across teams and act as a technical SME for complex issues. Education & Certifications Education: B.E. / B.Tech / MCA Preferred Certifications: CEH, CISSP, CISM, CISA, ITIL, COBIT, ISO 27001 Certified Endpoint Protection Professional Network Security Certified Professional -- Kirti Rustagi

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