Head Security Implementation Team

Role Overview:

We are seeking an experienced and hands-on Lead Security & Infrastructure to design, implement, and manage enterprise security solutions.

The ideal candidate will have deep technical expertise in Microsoft Active Directory, EDR (SentinelOne or equivalent), Database Access Management (DAM), Microsegmentation, and SIEM platforms, along with the leadership ability to guide and strengthen infrastructure security posture.

Key Responsibilities:

Leadership & Strategy

• Lead and manage infrastructure security initiatives across AD, EDR, DAM, Microsegmentation, and SIEM domains.

• Act as a subject matter expert (SME) while contributing individually to complex technical implementations.

• Mentor team members, collaborate across IT domains, and drive automation and process maturity.

Active Directory (AD) Administration

• Manage and secure AD, including user lifecycle, group policy management, delegation, and auditing.

• Implement and enforce AD security baselines, privilege reviews, and identity governance controls.

Endpoint Detection & Response (EDR)

• Administer EDR platforms (preferably SentinelOne) for policy management, monitoring, and incident response.

• Analyze and respond to endpoint threats in collaboration with SOC and IT operations teams.

Database Access Management (DAM)

• Oversee DAM solution deployment and operations to monitor and control privileged database access.

• Define and audit access policies, and ensure compliance with security standards.

Microsegmentation & Zero Trust Security

• Design and enforce network segmentation policies using tools like Illumio, VMware NSX, or equivalent.

• Apply Zero Trust principles across infrastructure components to minimize attack surface.

SIEM Administration (LogRhythm / Sentinel / Splunk / QRadar)

• Lead SIEM operations, including log source onboarding, correlation rule tuning, and dashboard optimization.

• Collaborate with SOC and IT operations for threat analysis and incident response.

Governance, Risk & Compliance

• Support IT and security audits, risk assessments, and compliance initiatives (ISO 27001, RBI, GDPR, etc.).

• Maintain comprehensive documentation, SOPs, and knowledge base for critical systems.

Required Skills & Qualifications:

• 4–6 years of experience in IT Infrastructure and Security Operations, including 2+ years in a lead or SME role.

• Expertise in Microsoft AD / Azure AD, Group Policy, and Access Management.

• Hands-on experience with EDR tools (SentinelOne / CrowdStrike / Defender for Endpoint).

• Working knowledge of Database Access Management (e.g., Imperva, Guardium).

• Practical understanding of Microsegmentation and Zero Trust architectures.

• Experience with SIEM platforms (LogRhythm preferred; Splunk, Sentinel, or QRadar acceptable).

• Strong understanding of network and system security fundamentals (Windows, Linux, firewalls, TCP/IP).

• Excellent analytical, troubleshooting, and incident-handling skills.

• Ability to work independently and lead cross-functional teams.

Preferred Certifications (Good to Have):

• Microsoft Certified: Identity and Access Administrator (SC-300)

• SentinelOne / Defender / CrowdStrike Certification

• SIEM certifications (LogRhythm, Splunk, Microsoft Sentinel)

• CISSP / CISM / CCSP or equivalent