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)

1. Senior Security Architect Microsoft, Sophos, Mimecast

2. Enterprise Security Architect Cloud & Cybersecurity

3. Senior Cybersecurity Architect Cloud, SIEM, Zero Trust

4. Security Architect (Microsoft/Azure, Sophos, Email Security)

5. Senior Cloud & Cybersecurity Architect SIEM/SOAR, IAM