Christopher Calvert
San Tan Valley,AZ
Summary
Detail-oriented System Administrator with a proven track record in optimizing IT processes and enhancing security protocols. Expertise in Microsoft 365 and Intune supports efficient operations and team collaboration, driving measurable improvements across multi-site environments.
Overview
12
12
years of professional experience
1
1
Certification
Work History
System Administrator
Witherite Law Group
Dallas, TX
10.2019 - 07.2025
- Administered full Microsoft 365 ecosystem (Azure Active Directory, Exchange Online, SharePoint Online, Teams, OneDrive) for 600+ employees and 1000+ systems across 9 floors in 4 buildings and 3 states.
- Designed, configured, and implemented Microsoft Intune for organization-wide endpoint management, including device compliance, conditional access, and application deployment policies.
- Conducted security monitoring, malicious email investigations, suspicious login remediation, and threat response using Microsoft Defender for Endpoint.
- Created and maintained comprehensive IT documentation, including system configurations, security procedures, compliance guidelines, and operational standards to support team efficiency and knowledge transfer.
- Analyzed, optimized, tested, and implemented IT processes and workflows to improve efficiency and streamline operations across multi-site environments.
- Served as final escalation point and sole IT resource for executive/owner needs, resolving complex hardware, software, and Microsoft 365 issues with high-priority support.
- Trained and mentored incoming IT staff on company standards, efficient troubleshooting, and customer service methodologies for internal/external communications.
System Administrator
Techknowligence
Dallas, TX
03.2019 - 10.2019
- Implemented backup and disaster recovery solutions to safeguard critical data.
- Provided technical support to staff, enhancing user experience and satisfaction levels.
- Provisioned new software and hardware for use, following established security policies.
- Maintained a high level of customer satisfaction by providing rapid, accurate response to inquiries and concerns regarding system performance or functionality.
- Managed user onboarding and offboarding processes in Active Directory and Microsoft 365, including account provisioning, deprovisioning, license assignments, access controls, and compliance checks to ensure secure transitions and regulatory adherence.
Information Technology Support Specialist
Xerox
El Paso, TX
02.2013 - 03.2019
- Provided technical support for hardware and software issues, ensuring minimal downtime for users.
- Diagnosed and resolved network connectivity problems to maintain operational efficiency.
- Assisted in the deployment of new systems and applications, enhancing user experience and productivity.
- Trained staff on best practices for IT security, improving compliance with organizational policies.
- Streamlined troubleshooting processes, reducing average resolution time for support tickets.
- Led initiatives to upgrade hardware and software systems, resulting in improved performance and reliability.
- Increased user satisfaction by implementing new processes for IT ticket tracking and resolution.
- Streamlined operations with effective management of software licenses, user accounts, and access control.
Education
Associate of Applied Science - Information And Computer Technology
Eastern New Mexico University Roswell
Roswell, NM12-2005
Skills
- Microsoft Azure
- Microsoft 365
- Microsoft Intune
- Microsoft Defender for Endpoint
- Windows XP/2000/7/8/10/11
- Windows Server 2008/2012/2019
- Windows Deployment Services
- Windows Security Update Services
- Remote Desktop
- Active Directory Administration
- Desktop Support
- IT Project Planning
Certification
CompTIA A+
Timeline
System Administrator
Witherite Law Group
10.2019 - 07.2025
System Administrator
Techknowligence
03.2019 - 10.2019
Information Technology Support Specialist
Xerox
02.2013 - 03.2019
Associate of Applied Science - Information And Computer Technology
Eastern New Mexico University Roswell