Senior Microsoft Sentinel Architect

Job Title: Senior Microsoft Sentinel Architect
Location: Boston MA (5 Days Onsite)
Employment Type: Contract
Work Authorization: US Citizens Only

We are seeking an experienced Senior Microsoft Sentinel Architect to lead the design and implementation of enterprise-scale SIEM/SOAR solutions for a client engagement in the Boston area. The ideal candidate will have deep expertise in Microsoft Sentinel Azure cloud security architecture SOC operations and threat detection engineering.

This role requires strong hands-on experience in building scalable security monitoring solutions integrating security platforms and driving incident response and automation initiatives in enterprise environments.

• Design and implement scalable security architectures using Microsoft Sentinel
• Develop and optimize SIEM/SOAR use cases analytics rules playbooks and threat detection strategies
• Integrate Microsoft Sentinel with Azure Microsoft 365 Microsoft Defender and third-party security platforms
• Lead security monitoring incident response and centralized log management initiatives
• Collaborate with security infrastructure and compliance teams to strengthen enterprise security posture
• Provide technical leadership architecture guidance and security best practices
• Perform threat hunting and improve detection engineering capabilities
• Create and maintain security dashboards reports and monitoring workflows

• Strong architecture and implementation experience with Microsoft Sentinel
• Expertise in Azure security services and cloud-native security architecture
• Hands-on experience with KQL (Kusto Query Language) Log Analytics and automation workflows
• Strong understanding of SOC operations threat hunting and incident response
• Experience integrating SIEM solutions with enterprise applications and security platforms
• Excellent communication and stakeholder management skills

• Experience with Microsoft Defender Suite and Microsoft 365 Security
• Familiarity with SOAR automation and security orchestration frameworks
• Relevant Microsoft Security or Azure certifications preferred

• 10 years of overall IT/Security experience
• 5 years of SIEM/SOAR architecture and implementation experience
• Strong enterprise-level cloud security experience in Azure environments

• Onsite role 5 days/week in Boston MA
• US Citizens Only