Senior Security Architect Enterprise Cloud & Cybersecurity - Hexacorp

We are seeking an accomplished Senior Security Architect to lead enterprise security strategy, design, and implementation. This role combines hands-on technical depth with strategic leadership, delivering security excellence across hybrid cloud and on-premises infrastructures. You will drive enterprise-scale initiatives, mentor technical teams, and shape organizational security posture with cutting-edge technologies.

Key Responsibilities

Architect and implement enterprise-grade security solutions across hybrid environments

Lead design and optimization of Microsoft Security Stack (M365 Defender, Azure Security Center, Sentinel)

Deliver Sophos enterprise implementations (Endpoint, Firewall, Server, Mobile)

Architect Mimecast email security (DLP, archiving, compliance)

Integrate KnowBe4 and Rapid7 into enterprise security operations

Lead SIEM/SOAR design, advanced detection, automation, and response

Conduct enterprise-level incident response, threat hunting, and forensic analysis

Partner with IT leadership, DevOps, vendors, and executives on security initiatives

Mentor engineers and drive enterprise security awareness programs

Required Experience

8 12+ years of progressive cybersecurity experience in enterprise environments

5+ years hands-on with Microsoft security and Azure services

3+ years designing Sophos enterprise architectures

Proven Mimecast email security expertise

Strong incident response, forensics, and advanced threat detection experience

Deep knowledge of Zero Trust, IAM/PAM, SIEM/SOAR, and security automation

Preferred Skills & Certifications

Certifications: CISSP, CISM, SC-200/300, AZ-500, Sophos Certified Architect, Mimecast Advanced

Technical Skills: PowerShell, Python, APIs, Cloud Security (Azure/AWS/Google Cloud Platform)

Compliance: SOC 2, ISO 27001, NIST, GDPR, HIPAA

Education: Bachelor s in Computer Science, Information Security, or related field (Master s preferred)

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