Assistant Manager-Captive Operations

4 weeks ago

Jaipur India Tata Communications Limited Full time

Job Description

Job Description

Responsible for end-to-end implementation and configuration of SIEM(LogRhythm) and SOAR(Cortex) solutions across customer environments
Onboard diverse log sources (cloud, on-prem, endpoint, network) into the LogRhythm SIEM platform and normalize data(Including Supported and Non Supported Devices)
Design and implement Standard and Custom detection rules, dashboards, and Reports. Including UEBA, NBA, MITRE, Logsource based and Cross Correlation Usecases
Collaborate with SOC, threat intel, TPM and Internal teams to enhance security posture and streamline incident response.
Troubleshoot log ingestion and parsing errors.
Implement threat intelligence integration to enrich alerts and improve contextual awareness.
Ensure compliance with security best practices, frameworks (e.g., MITRE ATT&CK, NIST)
Provide documentation, runbooks, LLDs to Operations team as part of Handover
Stay current with emerging threats, tools, and technologies in the SIEM/SOAR ecosystem.
Collaborate with Assurance team to ensure Smooth handover of projects, follow and adhere to defined

Responsibilities

Design, implement, and maintain LogRhythm SIEM, Cortex SOAR, and LogRhtyhm UEBA solutions across cloud and on-premise environments.
Collaborate with stakeholders to gather and analyze security monitoring and automation requirements.
Onboard, parse, and normalize data from diverse log sources including cloud (AWS, GCP, Azure), EDRs, firewalls, proxies, and identity systems.
Develop and fine-tune correlation rules, detection use cases, and alerting logic based on attacker TTPs (aligned to MITRE ATT&CK).
Configure and customize UEBA models to detect abnormal user and entity behavior (e.g., data exfiltration, lateral movement).
Integrate third-party threat intelligence feeds for enrichment and contextual detection.
Conduct testing, tuning, and validation of detection and response logic to reduce false positives and improve fidelity.
Provide Level 2 support for SIEM/SOAR/UEBA issues during project delivery lifecycle and work closely with SOC, TPM and Customer teams
Prepare technical documentation, runbooks and LLDs
Continuously monitor industry trends, product updates, and threat intelligence to improve detection coverage.

Desired Skill sets

Hands-on experience with SIEM platforms
Experience with SOAR platforms
Proficiency with UEBA solutions
Strong understanding of log parsing, normalization, and data onboarding using Syslog, APIs, agents, or collectors.
Expertise in developing correlation rules, detection logic, and custom parsers.
Experience building and maintaining OOTB SOAR playbooks for automated incident response.
Familiarity with behavioral analytics, anomaly detection, and machine learning models in UEBA systems.
Knowledge of network protocols, Network logging, OS Logging,endpoint telemetry, and cloud security logging (e.g. VPC flow logs, CloudTrail, Azure Activity Logs).

OEM Certifications
CEH, Comptia Security+ or similar
CSP Security Certifications(Ex. AZ-500)

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