Network Security Engineer

10 hours ago


Mumbai, Maharashtra, India Sattrix Information Security Full time ₹ 4,00,000 - ₹ 12,00,000 per year

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

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Kirti Rustagi



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