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InfoVision Inc
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Senior System Security Administrator

Senior System Security Administrator

InfoVision Inc

5 - 7 years

3 - 5 Lacs

pune

Posted:9 hours ago| Platform:

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Skills Required

threat analysis server security analysis cyber security network security arcsight soc dns information security networking siem patching monitoring incident response security qradar system active directory threat intelligence troubleshooting splunk dhcp

Work Mode

Work from Office

Job Type

Full Time

Job Description

Employment Type: Full-time
Job Description:We are looking for an experienced Senior System Security Administrator with 8+ years of expertise in managing, securing, and optimizing enterprise systems. The candidate will focus on Active Directory (AD), Antivirus solutions with Endpoint Detection and Response (AV-EDR), and DNS & DHCP services. This role requires advanced troubleshooting skills, a deep understanding of system security principles, and relevant industry certifications. Roles and Responsibilities
• Design, implement, and manage multi-domain Active Directory environments.• Develop and enforce AD policies, including Group Policy Objects (GPOs), user and device management, and OU structures.• Ensure AD security by implementing privileged access management, auditing, and securing domain controllers.• Troubleshoot and resolve AD replication, authentication, and authorization issues.• Deploy, manage, and optimize enterprise AV-EDR solutions (e.g., CrowdStrike, Sophos).• Monitor, detect, and respond to endpoint security threats and vulnerabilities.• Conduct regular updates, patching, and fine-tuning of AV-EDR policies.• Perform threat analysis, incident response, and root cause investigation for endpoint-related incidents.• Configure and maintain enterprise DNS and DHCP systems (e.g., Infoblox, Windows Server).• Ensure high availability, redundancy, and fault tolerance of DNS & DHCP services.• Implement DNSSEC, IPAM solutions, and other security measures to prevent spoofing,

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Senior System Security Administrator