Security Analyst

Access Healthcare; Thiruvallur District; On-site; INR 900,000 - 1,500,000; Full time

Job summary

Access Healthcare seeks an experienced Security Analyst (Tier 2) to join its SOC. You will monitor, investigate, and respond to cybersecurity incidents across a large enterprise, leveraging SIEM and EDR tools to protect critical systems.

Responsibilities include tuning detection rules, coordinating incident response, and collaborating with IT and engineering teams. A 24x7 SOC environment with diverse data sources and threat intel feeds awaits a skilled analyst.

Qualifications

• 5-7 years of experience in a 24x7 Security Operations Center (SOC) environment.

Responsibilities

• Manage and maintain the SIEM platform, ensuring log ingestion health and rule accuracy.
• Lead Tier 2 incident response activities per SOC IR playbook and SLAs.
• Document all investigation steps in ITSM/ticketing system (ServiceNow, Jira).
• Perform root cause analysis and contribute to post-incident reports.
• Develop and tune detection rules, correlations, and dashboards across MITRE ATT&CK.
• Identify log source gaps and onboard missing data sources into SIEM.
• Automate triage tasks via SOAR playbooks to reduce MTTD/MTTR.
• Monitor endpoint telemetry with EDR tools to detect malware and LotL attacks.
• Investigate IDS/IPS, web proxies, DNS security, and NDR alerts.

Skills

SIEM experience

EDR expertise

Threat intel

MITRE ATT&CK

Education

Cyber Security degree

Tools

Splunk

Microsoft Sentinel

QRadar

CrowdStrike Falcon

Microsoft Defender for Endpoint

SentinelOne

Cortex XDR

Job description

Job description

Greetings from Access Healthcare!!!

Role:

We are seeking an experienced Security Analyst (Tier 2) to join our Security Operations Center (SOC) team. The successful candidate will serve as a subject matter expert in enterprise security monitoring, responsible for the detection, investigation, and response to cybersecurity incidents and threats across a large-scale, complex enterprise environment.

Responsibilities:

• Manage and maintain the SIEM platform ensuring log ingestion health, data source onboarding, parser validation, and rule accuracy.
• Lead and coordinate Tier 2 incident response activities containing, eradicating, and recovering from security incidents in line with the SOC IR playbook and defined SLAs.
• Document all investigation steps, findings, evidence, and actions taken accurately within the ITSM / ticketing system (e.g. ServiceNow, Jira).
• Perform root cause analysis (RCA) on significant incidents and contribute lessons learned to post-incident review reports.
• Develop, tune, and maintain detection rules, correlation rules, and dashboards to improve coverage across the MITRE ATT&CK framework.
• Identify log source gaps and work with IT and infrastructure teams to onboard missing data sources into the SIEM.
• Automate repetitive triage tasks through SOAR playbooks (e.g. Cortex XSOAR, Sentinel Logic Apps) to improve analyst efficiency and reduce MTTD/MTTR.
• Monitor and investigate endpoint telemetry using EDR platforms (e.g. CrowdStrike Falcon, Microsoft Defender for Endpoint, Sentinel One) to detect malicious activity including malware, ransomware, and living[1]off-the-land (LotL) attacks.
• Analyse firewall logs and network traffic data (Palo Alto, FortiGate, Cisco ASA, Check Point) to identify suspicious traffic patterns, policy violations, and network-based threats.
• Investigate alerts originating from IDS/IPS systems, web proxies, DNS security platforms, and network detection and response (NDR) solutions.

Consume and operationalize threat intelligence feeds (commercial and open-source) triaging IOCs, enriching alerts, and updating blocking lists in SIEM, firewall, and EDR platforms.

• Track active threat campaigns, adversary groups, and CVEs relevant to the organizations sector and technology stack.
• Collaborate with IT, infrastructure, and engineering teams on threat remediation.

Qualification:

• Any degree in information technology specialization in Cyber Security/ Forensic, computer science, Information Technology
• 5-7 years of experience working in a 24x7 Security Operation Center (SOC) environment.
• Hands-on experience working with any of the SIEM tools (Splunk, Microsoft Sentinel, or QRadar) • EDR expertise (CrowdStrike Falcon, Microsoft Defender, SentinelOne, or Cortex XDR)
• Relevant certifications such as CEH, CHFI, COMPTIA +,GCIA, GCIH, Splunk, Elastic, Microsoft Sentinel, QRadar, or equivalent.

Looking for Male candidates only.