Network Security Advisor_ISE

Bangalore, Noida,

Full time

Description

POSITION OVERVIEW : The Network Security Specialist is a seasoned subject matter expert, responsible for facilitating problem resolution and mentoring for the overall team.

This role performs operational security tasks such as performance and availability monitoring, log monitoring, security incident detection and response, security event reporting, and content maintenance (tuning).

The Network Security Specialist is responsible for detecting and monitoring escalated threats and suspicious activity affecting the organization's technology domain (servers, networks, appliances and all infrastructure supporting production applications for the enterprise, as well as development environments). POSITION GENERAL DUTIES AND TASKS :

- Works as part of a 24/7 team working on rotational shifts. Manage, configure, and upgrade Cisco ISE. Create/tune filters for anti-spam, anti-malware, graymail, and outbreak protection. Analyze logs, track messages, and perform Root Cause Analysis (RCA) on email delivery issues. Implement SPF, DKIM, DMARC, and TLS encryption for inbound/outbound traffic. Collaborate with SIEM tools, Cisco SecureX/Talos, and Directory Services (LDAP/Active Directory). Works as part of Platform and Content Engineering handling tunings, stake holder requests,



escalations, reporting, trainings. Administers the organization's security tools to gather security logs from setting. Performs lifecycle management of the supported security tools/technologies, Break-fix, Patching, Live update. Adheres to SOPs and notify stake holders on log flow/log format issues. Documents best practices. Identifies opportunities to make automations which will help the incident response team. Performs security incident handling and response from several vectors including End Point Protection and Enterprise Detection and response tools, attack analysis, malware analysis, network forensics, computer forensics, and a broad range of skills in LAN technologies, Windows and Linux O/S�s, and general security infrastructure. Carries out agreed maintenance tasks. Ensures usage of knowledge articles in incident diagnosis and resolution and assist with updating as and when required. Performs defined tasks to monitor service delivery against service level agreements and maintains records of relevant information. Investigates causes of incidents and seeks resolution. Escalates unresolved incidents and follow up until incident is resolved. Provides service recovery, following resolution of incidents.

📌 Network Security Specialist (Noida)
🏢 JMD Technologies
📍 Noida