Christopher Roberts
Valrico,USA
Summary
With 18+ years of experience as a Systems Administrator/Engineer, I possess a comprehensive skill set in various technologies and platforms. Areas of expertise include VMware Horizon View 7 with NVIDIA GRID, Windows Server 2008-2022, Azure Virtual Desktop Infrastructure, and the management of Active Directory, DNS, DHCP, and Group Policy. Proficient in VMware vSphere, Microsoft Exchange Server 2003-2013, Exchange Online, EMC and NetApp Storage, Amazon Web Services, and Microsoft Azure Services. Hands-on experience with VEEAM Backup & Replication, Microsoft 365 Services, SolarWinds (Orion, UDT, and LEM), Barracuda Email Security, Mimecast Email Security, Abnormal Email Security, FortiClient EMS, HCL BigFix, ransomware attack recovery, Teramind User Activity Monitoring, Rubrik Backup Appliance, CrowdStrike Falcon Complete, and Netwrix Auditor.
Overview
18
18
years of professional experience
1
1
Certification
Work History
Senior Systems Engineer
PRIDE Enterprises
02.2016 - Current
- Currently employed as a Senior Systems Engineer supporting multiple prison industries’ IT infrastructure across the state of Florida
- Responsible for maintaining 3 Hybrid Active Directory Environments, a VMware vSphere environment, an EMC storage array (Unity AFA), various Microsoft 365 and Azure services (to include Exchange Online, Intune, Defender ATP, Azure VDI), HCL BigFix, HP Device Manager, DNS, DHCP, Group Policy, file servers, Rubrik backup appliance, and user and device activity monitoring software (Teramind and Netwrix Auditor)
- Recently onboarded CrowdStrike Falcon Complete for endpoint security and identity protection
- Also responsible for ensuring that servers and workstations are in compliance with the Florida Department of Corrections’ security requirements
- Completely rebuilt and recovered our on-prem virtual server and desktop infrastructure from a ransomware attack in 2019 (it was in the Tampa Bay Times)
BES2 Mobility Systems Engineer (Contractor)
United States Special Operations Command
10.2015 - 02.2016
- Responsible for maintaining a secure Blackberry Enterprise environment
- Daily/Weekly tasks included maintaining and troubleshooting Microsoft Exchange, Active Directory, Blackberry Enterprise Server, Blackberry devices, VMware vSphere environments, Netapp storage, and mail gateways
- Also responsible for ensuring servers, workstations, and devices were secured, patched, and updated in accordance with Department of Defense security policies.
Principal Systems Administrator – Exchange (Contractor)
United States Special Operations Command
05.2014 - 09.2015
- Responsible for maintaining over 100 Exchange 2010 and 2013 servers providing services to over 80,000 mailboxes for all US Special Operations Forces located worldwide
- Provided support for the design and implementation of 2 Database Availability Groups consisting of 32 multi-role Exchange 2010 servers and over 100 databases
- Provided support for the design, testing, and implementation of the Exchange 2013 environment
- Migrated over 30,000 mailboxes from Exchange 2003 to Exchange 2010
- Resolved over 250 Remedy Incidents and 100 Change Requests
- Implemented processes and procedures for Tier 1 and 2 personnel for basic functions within Exchange 2010
- Managed Cisco IronPorts for mail filtering and security
- Managed Forefront Threat Management Gateway for external OWA access
Virtual Support Specialist (Contractor)
Catalina Marketing Corporation
03.2014 - 05.2014
- Employed as a contractor at Catalina Marketing Corporation
- Responsible for maintaining 1400 VMware virtual desktops and VMware View servers spanning 4 data centers for employees located worldwide
Systems Administrator
United States Marine Corps
10.2010 - 03.2014
- Served as a Systems Administrator for US Marine Forces Central Command
- Deployed twice to Bahrain to maintain a 24/7 disaster recovery site and supported several US Central Command led exercises, providing voice, video, and SharePoint portal support for over 100 users
- Utilizing VMware vSphere, maintained over 100 servers across unclassified and classified networks between two separate locations
- Provided support for mission critical services to include VMware vSphere, VMware View, Microsoft Exchange, BlackBerry Enterprise Server, Symantec Enterprise Vault, Microsoft SharePoint, Netapp file storage
- Maintained and expanded 4 Netapp storage devices in two separate locations
- Implemented and maintained 4 Thin Client virtual environments for over 200 users utilizing VMware View
- Implemented and maintained Raytheon Trusted Thin Client and Trusted Gateway systems
Network Administrator
United States Marine Corps
10.2006 - 10.2010
- Served as a Network Administrator/Team Leader for 2d Combat Engineer Battalion
- Served one tour in Afghanistan from October 2009 - April, 2010 as a Network Administrator and Supervisor responsible for a team of 4 Marines, over 300 computer assets, overseeing helpdesk support for over 200 users, and ensuring the 24/7 operation of multiple unclassified and classified networks
- Personally oversaw the expansion of two networks and over 100 unclassified and classified computer assets across our area of operations
- Ensured computer assets stayed protected with latest security updates and virus definitions
- Completed over 300 trouble tickets during my 7-month tour in Afghanistan
Education
Master of Science - Cybersecurity and Information Assurance
Western Governors University
12.2024
Bachelor of Science - Cloud Computing
Western Governors University
01.2022
High School Diploma -
Sandwich Secondary School
LaSalle, ON, Canada10-2006
Skills
- Cloud services
- Process documentation
- Infrastructure management
- Virtualization technologies
- Hardware configuration
- Windows server administration
- Standard operating procedures
- Design and implementation
- Expert problem solving
- System architecture design
- Cybersecurity best practices
- Disaster recovery planning
- Storage area networks
- Incident response planning
- Cybersecurity frameworks
Certification
- AWS Certified SysOps Administrator – Associate
- CompTIA A+, Network+, and Security+ CE, Linux+, Cloud+, CySA+, and PenTest+
- ITIL Foundation v3
Timeline
Senior Systems Engineer
PRIDE Enterprises
02.2016 - Current
BES2 Mobility Systems Engineer (Contractor)
United States Special Operations Command
10.2015 - 02.2016
Principal Systems Administrator – Exchange (Contractor)
United States Special Operations Command
05.2014 - 09.2015
Virtual Support Specialist (Contractor)
Catalina Marketing Corporation
03.2014 - 05.2014
Systems Administrator
United States Marine Corps
10.2010 - 03.2014
Network Administrator
United States Marine Corps
10.2006 - 10.2010
- AWS Certified SysOps Administrator – Associate
- CompTIA A+, Network+, and Security+ CE, Linux+, Cloud+, CySA+, and PenTest+
- ITIL Foundation v3
Master of Science - Cybersecurity and Information Assurance
Western Governors University
Bachelor of Science - Cloud Computing
Western Governors University
High School Diploma -
Sandwich Secondary School
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