Principal Engineer & Owner
Soulier Group LLC is owner-operated. The work is executed by the same engineer who signs the contract. No bait-and-switch, no junior bench, no brand-name pretense.
Brian D. Soulier — Managing Member
Brian D. Soulier is the sole owner and Managing Member of Soulier Group LLC. He carries 18 years of progressive enterprise IT and cybersecurity experience across multi-tenant managed-service-provider portfolios serving regulated commercial clients in healthcare, multi-state law enforcement, education, financial services, and manufacturing.
Brian is an enrolled member of the Lac du Flambeau Band of Lake Superior Chippewa Indians of the Lac du Flambeau Reservation of Wisconsin, a federally recognized tribe, which establishes the firm's Native American Owned status and supports the social-disadvantage presumption for Small Disadvantaged Business and SBA 8(a) eligibility.
Active Certifications
| Certification | Authority | Status |
|---|---|---|
| CompTIA A+ | CompTIA | Active |
Beyond active credentials, the principal maintains hands-on production experience across Fortinet FortiGate, FortiClient, FortiManager, and FortiAnalyzer; Microsoft 365 / Defender / Entra ID; VMware vSphere; and HIPAA / PCI DSS / CJIS compliance frameworks. See capability domains for detail.
Career Timeline
Career experience is presented by role, sector, and scope rather than by named employer. Specific client and employer references are available to verified federal contracting officers and prime offerors upon written request, conditional on the principal's written authorization in each case.
Tier 3 Systems Engineering, Multi-Tenant M365 Portfolio
Tier 3 systems engineering across a multi-tenant Microsoft 365 portfolio with regulated client environments. Owned production responsibility for Defender for Endpoint deployment, Defender for Cloud Apps tuning, Microsoft Entra ID Conditional Access policy authoring, Privileged Identity Management implementation, and Purview Information Protection / DLP rollouts. Lead Tier 3 incident responder including security event triage, identity-compromise containment, mail-flow disruption recovery, and customer-facing incident communications. Compliance program support across HIPAA Security Rule, PCI DSS, and CJIS Security Policy. Fortinet network security operations across the client portfolio.
Lead Systems Engineering, Regional Multi-Tenant MSP
Eleven-year tenure leading enterprise Microsoft infrastructure for a regional MSP serving multi-state law enforcement, regulated healthcare, and education clients. Owned team deliverables, hiring authority, and technical mentoring across a 4-to-8-person systems engineering team. Built foundational depth in Active Directory architecture, Exchange and Exchange Online migrations, hybrid identity federation via AD Connect / Entra Connect, SharePoint records management implementations, VMware vSphere production operations, and datacenter / SAN refresh leadership. Customer-facing technical leadership across regulated client engagements: scoping, architecture review, executive escalation, and audit-evidence support.
Tier 1 / 2 Endpoint and Server Support
Tier 1 / 2 endpoint and server support across a regional MSP client base. Foundational Windows Server, Active Directory, and Group Policy administration. Customer-service-oriented IT operations across SMB and regional commercial clients.
Customer-Facing Sales and IT Consulting
Dual-role retail sales and IT-consulting position at the start of the Principal's career. Customer-facing communication and operational discipline foundation that informs current customer-engagement work.
Technical Specializations
| Domain | Specializations |
|---|---|
| Microsoft 365 Governance | Purview Information Protection, DLP, Records Management, Communication Compliance, eDiscovery (Standard / Premium), Audit, Compliance Manager, Secure Score |
| Identity & Access | Microsoft Entra ID, Conditional Access, Privileged Identity Management, Identity Governance, Administrative Units, Active Directory, Group Policy, hybrid identity federation |
| Threat Protection | Microsoft Defender for Endpoint, Defender for Cloud Apps, Defender for Identity, Defender Advanced Hunting, Tier 3 incident response |
| Network Security | Fortinet FortiGate, FortiClient, FortiSwitch, FortiAP, Security Fabric, IPsec / SSL VPN, ZTNA, network segmentation |
| Virtualization & Datacenter | VMware vSphere / vCenter, Microsoft Hyper-V / System Center, Nutanix AHV, post-Broadcom VMware migration strategy, SAN / RAID, Veeam, infrastructure refresh leadership |
| Mail & Collaboration | Exchange Online, hybrid Exchange, SharePoint Online, OneDrive, Teams, mail authentication (SPF / DKIM / DMARC / DNSSEC), Defender for Office 365 |
| Compliance Frameworks | HIPAA Security Rule, PCI DSS, CJIS Security Policy v6, FFIEC / GLBA (in pursuit), NIST CSF / 800-53, NIST 800-171 / CMMC Level 2 mapping, DoDI 5200.48, DoDI 5015.02 |
| MSP Operations | Multi-tenant administration, per-tenant policy customization, customer-facing communication, audit-evidence collection, regulated-environment incident response |
Public Profile
- LinkedIn linkedin.com/in/bdsoulier
- Email brian@souliergroup.com
- Tribal Affiliation Enrolled member, Lac du Flambeau Band of Lake Superior Chippewa Indians