Security Analyst

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 organization’s 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. If you are interested, please share your updated resume to jagadish.outsource@accesshealthcare.com or contact us 9500681139