Microsoft Sentinel Administrator

3 days ago

Bengaluru, Karnataka, India Connect2Talent Full time

Position : SIEM MS Sentinel Administrator

Location : Onsite Bengaluru, Karnataka, India

Job Type : Payroll

Duration : Long-term

Job Summary :

We are seeking a highly skilled SIEM MS Sentinel Administrator with 6+ years of hands-on experience in security monitoring, administration, and operations. The ideal candidate will be responsible for ensuring smooth functioning of Microsoft Sentinel, maintaining compliance, monitoring system health, fine-tuning use cases, and addressing Sentinel-related incidents in a timely manner. This role requires strong technical expertise, problem-solving ability, and readiness to support during off-hours for critical patching or maintenance activities.

Key Responsibilities :

Monitoring & Troubleshooting :

- Monitor host reporting status and raise internal tickets for non-reporting hosts.

- Troubleshoot and remediate Sentinel agent non-reporting and compliance issues.

- Manage Sentinel-related incidents and service requests ensuring timely resolution.

Administration & Maintenance :

- Upgrade and maintain Sentinel components such as indexers, search heads, universal forwarders, and heavy forwarders.

- Perform health checks, backup validations, and ensure operational stability of Sentinel environments.

- Support Indexer Clustering and Search Head Clustering environments.

- Raise CRQs for performing critical activities as per compliance.

Optimization & Compliance :

- Fine-tune deployed use cases to reduce false positives and improve alert quality.

- Optimize log ingestion and indexing to manage license utilization effectively.

- Assist in maintaining security compliance by preparing SOPs, SMTDs, KB articles, and best practice documentation.

Reporting & Documentation :

- Prepare and share weekly client reports as per agreed formats.

- Document operational workflows, knowledge base, and incident handling best practices.

Support & Collaboration :

- Coordinate with Cyber Security teams to enhance SIEM capabilities.

- Support patching and upgrades during off-hours (maximum 3 times per month).

- Work closely with stakeholders for continuous improvement of Sentinel operations.

Must-Have Skills :

- SIEM Administration : Minimum 3+ years of proven experience in Security Information and Event Management (SIEM).

- Microsoft Sentinel Expertise : Minimum 2+ years of hands-on experience in Azure Sentinel.

- Strong knowledge of log management, correlation rules, and security event analysis.

- Experience with indexer/search head clustering, universal/heavy forwarder management.

- Solid understanding of cyber security concepts, compliance frameworks, and incident response.

Preferred Skills :

- Experience in trimming and optimizing logs to control license utilization.

- Familiarity with preparing security and compliance documentation (SOPs, SMTD, KBs).

- Strong troubleshooting and problem-solving skills in SIEM environments.

- Ability to work effectively in high-pressure situations and during off-business hours when required.

(ref:hirist.tech)

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