Senior Systems & Security Administrator
NOBULL · Boston, MA ·
- Spearheaded an enterprise-wide AI security governance program: acceptable use policies, AI risk assessment frameworks, and guardrails for AI tool adoption across all business units.
- Conducted an AI workflow gap analysis across all departments to surface unmonitored AI usage, shadow AI risks, and data exposure vectors; delivered a remediation roadmap adopted by executive leadership.
- Evaluated and piloted Microsoft Copilot for Security and additional AI tooling for threat triage, alert summarization, and incident response — reducing analyst workload and improving response velocity.
- Led integration of AI-powered detection models into the SIEM/SOAR pipeline, reducing MTTD and improving alert fidelity through automated noise reduction and intelligent correlation.
- Sole senior owner of all infrastructure and security operations — identity, cloud, network, endpoint, and application security — with direct executive leadership team visibility.
- Administer and harden Azure, AWS, and Microsoft 365; implement Zero Trust controls, identity governance, and hardening standards organization-wide.
- Architected and maintain Cloudflare WAF, DDoS protection, and application security controls for global workloads and customer-facing services.
- Design and automate security, identity, and compliance workflows with PowerShell, Graph API, and CI/CD-integrated pipelines.
- Manage vulnerability scanning, risk-based prioritization, and remediation; deliver executive reporting aligned to SOC 2 Type II and NIST CSF.
- Implement and govern MFA, SSO, conditional access, and identity lifecycle automation.
- Senior escalation point for all security incidents and cross-team investigations.
- Author and maintain security standards, runbooks, and operational procedures.