Matthew Bowman
Knoxville,TN
Summary
M365 and Exchange Systems Engineer supporting TSA enterprise collaboration and messaging. Manages hybrid Exchange, Entra ID, Conditional Access, mail flow hygiene, and PowerShell automation while resolving tier-3 incidents, improving SLA performance, and delivering patching with zero unscheduled downtime.
Overview
4
4
years of professional experience
Work History
Systems Engineer M365 & Exchange
Peraton
Knoxville, TN
01.2026 - Current
- Direct the M365 cloud tenant and hybrid Exchange messaging infrastructure that supports mission-critical operations for the Transportation Security Administration (TSA).
- Acted as senior tier-3 escalation engineer for critical Exchange and M365 incident queues, consistently exceeding SLA resolution targets and improving incident response times.
- Managed enterprise mail flow hygiene, transport rules, connector routing, and domain authentication protocols (SPF, DKIM, DMARC) to maintain secure and efficient communication.
- Enforce identity and access security across Microsoft Entra ID (Azure AD) and on-premises AD, including Conditional Access policies, MFA, and dynamic security groups.
- Coordinate and execute cumulative updates (CUs) and security vulnerability patching across on-premises Exchange servers with zero unscheduled downtime.
- Developed custom PowerShell scripts (Exchange Online & Graph SDK) to automate bulk provisioning, license assignments, and administrative reporting, streamlining operational processes.
Help Desk Supervisor
Peraton
Clinton, TN
05.2025 - 01.2026
- Led and mentored a team of Tier 1/2 technicians, reducing incident backlogs and improving team-wide SLA compliance.
- Resolved complex technical escalations for Entra ID synchronization, Conditional Access blocks, MFA resets, and GPOs, which improved resolution times for critical issues.
- Created standardized SOPs and escalation workflows for identity and cloud-service tickets, facilitating smoother cross-tier handoffs and reducing resolution delays.
- Administered Microsoft Intune MDM, managing zero-touch enrollment profiles and compliance baselines, ensuring streamlined device onboarding and security compliance.
Senior Technical Support Specialist
Peraton
Clinton, TN
04.2023 - 05.2025
- Provided tier-2/3 technical troubleshooting for Exchange Online, Entra ID, on-premises Active Directory, and hybrid endpoints, improving issue resolution speed and user satisfaction.
- Diagnosed and resolved recurring authentication, mail-routing, and endpoint connectivity issues, collaborating with engineering to implement root-cause fixes and enhancing overall system reliability.
- Administered user mailboxes, distribution lists, shared mailboxes, retention tags, and group-based M365 licensing, enhancing user communication and collaboration.
Education
Bachelor of Science - Information Technology
Western Governors University
09-2026
Skills
- Identity management
- Messaging collaboration
- Microsoft 365 administration
- Exchange Server management
- Hybrid Exchange Management
- Endpoint management
- Automation tools
Timeline
Systems Engineer M365 & Exchange
Peraton
01.2026 - Current
Help Desk Supervisor
Peraton
05.2025 - 01.2026
Senior Technical Support Specialist
Peraton
04.2023 - 05.2025
Bachelor of Science - Information Technology
Western Governors University