Mark Eakin
Rowlett,TX
Summary
IT Systems Administrator with 23 years of experience, proficient in managing Hybrid and Cloud based IT Infrastructure, Active Directory and Network Management. Demonstrated expertise in troubleshooting, maintaining networks, servers, and delivering effective technical support. Successfully led major system upgrades and ISO 27001 Certification.
Authorized to work in the US for any employer.
Overview
24
24
years of professional experience
Work History
IT Systems Administrator (Remote)
Greater Tech Holdings, Inc.
Fredericksburg , TX
2021.09 - 2023.08
- Aligned company cloud systems with business objectives, remotely administering and optimizing them to deliver customer cloud strategies.
- Maintained Azure Cloud environment for SaaS, PaaS, and Business Intelligence initiatives
- Coordinated Policies and Procedures for ISO 27001 Certification
- Developed Incident response policy based on a security audit review
- Configured Disaster Recovery environment in Azure Tenant.
- Configured an employee monitoring system
- Implemented Azure Active Directory Domain Services utilizing Replica sets and Password hash sync process for Azure AD DS and Azure AD Connect in a Windows environment
- Enhanced user experience by eliminating the need for traditional passwords through the implementation of Passwordless Authentication.
- Configured Site monitoring System
- Managed Intune
- Managed and optimized O365 suite, overseeing Exchange, SharePoint OneDrive, Teams, and O365 Security.
- Provided technical support to users regarding hardware, software, and networking issues.
Systems Administrator IV (Remote)
Goodman Solutions LLC
Frisco , TX
2016.09 - 2021.09
- Perform routine systems conformance and capacity validation and routine system maintenance to ensure that Windows servers are up to date, secure, and in compliance with industry standards
- Proven ability to create and deliver solutions tied to business growth, and work optimization
- Maintained million-dollar cloud environment, and achieved $144k in annual savings through automation, SaaS, and Business Intelligence initiatives
- Helped implement zero trust security initiative for desktops, cloud computing, and users accounts allowing for quick risk assessment and remediation of ransomware and/or security breaches
- Prior to migration, administered VMWare and Hyper-V located in on prem data centers
- Effectively managed and completed migration from Exchange Hybrid to cloud-based Exchange online with integrated Proofpoint Email Protection
- Contributed to the successful transition of 3 physical datacenters and IT services into Azure Cloud
- Implemented centralized administration to consolidate and streamline operations, migrated all user accounts from Active Directory Hybrid sync to Azure Active Directory resulting in increased efficiency.
- Migrated Configured Microsoft Azure AD Single Sign On solution to replace 3rd party solution, achieving annual savings of 40K.
Systems Administrator
City of Rowlett, Texas
Rowlett , TX
2015.03 - 2016.09
- Hired as a full-time systems administrator
- Integrated with IT team to provide administration for Windows Server 2008 and 2012, Office 365, LAN/WAN and VMware
- Also manage SpamTitan and email archiving, SFTP servers, AD/DNS/DHCP
- Provided Web-based and network solutions along with strategic planning and project leadership over systems migration, configuration, administration, upgrades and troubleshooting initiatives
- Migration of MS SQL backend databases and applications from Server 2003/SQL 2005 to Server/SQL 2012
- Implemented a centralized help desk intranet for coordination of support services throughout the organization to increase the efficiency and effectiveness of support services
- Researched, recommended and implemented network enhancements that improved system reliability and performance
- Implemented and deployed Kaspersky Endpoint Protection and Antivirus for Enterprise Servers across the Network
- 500+ user machines
- Migration of child domains across the forest into the parent domain
- Setup and maintained web and spam filtering solutions
- Setup and maintained email archiving solution.
IT Manager/Systems, Network, Infrastructure Administrator
C.D. Henderson Construction
Garland , TX
2002.01 - 2014.01
- Reporting to the Chief Operating Officer, responsible for all computer and telephony systems for this $50 -$100 million General Contracting Company at corporate headquarters as well as up to 5 remote locations
- Successfully implemented multiple IT projects ranging from $40K to $100K, provide the technology knowledge and vision to support the company's business objectives, and evaluate and recommend all software for business processes
- Deployed and maintained Cisco ASA Security appliances and Unified Communication System
- Developed a plan to upgrade the network and datacenter infrastructure and implemented it as well as performance tuning of Windows 2003 Server environment for regional operations
- Stabilized, expanded and protected client network and PC environment
- Built new file servers to maximize terminal server, file/print sharing and domain control performance
- Resolved a history of problematic network failure by troubleshooting LAN/WAN connections between multiple remote sites
- Migration of Active Directory Infrastructure from 2000 to 2003
- Implementation of Exchange 2000 followed by migration and Upgrade of Exchange Server 2000 to 2003
- Implemented and maintain enterprise backup solution utilizing EMC Retrospect
- Implemented SAN Solution with iSCSI backbone
- Delivered a Cisco based VPN system that catapulted productivity of remote work force.
End User Support Technician/Systems Administrator
Dalmac Construction
Richardson , TX
2000.01 - 2002.01
Education
MS Certifications
New Horizons Computer Learning Center
MS Certifications
SMU Cox School of Engineering
Computer Systems Engineering
Computer Learning Center of Dallas
Skills
- Cloud infrastructure - Azure, AWS
- Azure Active Directory
- Windows Active Directory
- Microsoft Intune
- GPO
- Windows OS
- Windows Server 2008-2022
- M365
- VMWare VSphere, eSXI
- LAN, WAN
- System administration
- Systems analysis
- DNS
- Powershell
Personal Information
Title: Remote Senior Information Systems Administrator
Websites
Timeline
IT Systems Administrator (Remote)
Greater Tech Holdings, Inc.
2021.09 - 2023.08
Systems Administrator IV (Remote)
Goodman Solutions LLC
2016.09 - 2021.09
Systems Administrator
City of Rowlett, Texas
2015.03 - 2016.09
IT Manager/Systems, Network, Infrastructure Administrator
C.D. Henderson Construction
2002.01 - 2014.01
End User Support Technician/Systems Administrator
Dalmac Construction
2000.01 - 2002.01
MS Certifications
New Horizons Computer Learning Center
MS Certifications
SMU Cox School of Engineering
Computer Systems Engineering
Computer Learning Center of Dallas
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