Marcus T. Holloway

Profile

IT Manager with 11 years of experience leading infrastructure, security, and cross-functional technology teams in mid-market SaaS and manufacturing environments. Specializes in cloud migration strategy, vendor contract negotiation, and building high-availability systems that scale. Delivered $2.1M in cumulative infrastructure savings over three years while maintaining 99.97% uptime across production environments.

Work Experience

IT ManagerMar 2020 - Present

Vanterra Systems, Austin, TX

Led a 14-person IT team across helpdesk, network engineering, and cybersecurity functions, reducing mean time to resolution by 41% through tiered escalation redesign.
Orchestrated migration of 220 on-premises servers to AWS and Azure hybrid architecture, cutting annual infrastructure spend by $680K and improving disaster recovery RTO from 8 hours to 45 minutes.
Negotiated and consolidated 17 vendor contracts into a unified managed-services agreement, saving $310K annually while expanding SLA coverage by 30%.

Senior IT Systems AdministratorJun 2016 - Feb 2020

Corefield Manufacturing, San Antonio, TX

Designed and deployed a zero-trust network segmentation strategy across 4 facilities, reducing lateral-movement attack surface by 63% and achieving SOC 2 Type II compliance 6 weeks ahead of schedule.
Automated patch management and endpoint compliance reporting using Ansible and PowerShell, eliminating 22 hours per week of manual technician labor.
Managed $1.4M capital budget for a two-year hardware refresh cycle covering 850 endpoints, completing the project 11% under budget and 3 weeks early.

IT Support EngineerAug 2013 - May 2016

BluePeak Solutions, Dallas, TX

Supported 400-seat Windows and macOS environment, resolving 95% of tickets within SLA and earning a 4.8/5.0 average satisfaction score across 1,200 annual surveys.
Built an internal knowledge base of 140 articles that deflected 18% of Tier 1 tickets, reducing helpdesk call volume by roughly 900 incidents per quarter.
Deployed and administered Microsoft 365 tenant migration for 380 users, completing cutover in a single maintenance window with zero data loss.

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