Milton Coore
New Brighton,PA
Summary
Dedicated Office 365 Systems Engineer and Windows Administrator with over 15 years of comprehensive experience in IT infrastructure management. Expertise in deploying, configuring, and managing Azure cloud/Office 365 environments, administering Windows Server platforms, and ensuring the security and availability of enterprise systems. Committed to continuous improvement and staying current with emerging technologies to drive organizational success.
Overview
16
16
years of professional experience
Work History
Systems Engineer, Sharon
RDI Corporation
, PA
10.2024 - 01.2025
- Office 365 Support: Provided Tier 2/3 support for Office 365-related issues, including email delivery and configurations
- Active Directory Management: Administered Active Directory, including user accounts and group management, GPO configuration, and directory synchronization with Azure AD
- Exchange Online Administration, Exchange Hybrid Environment, decommission exchange on premise due to all mailboxes, migrated to Exchange online
- Security Implementation: Implemented security measures such as MFA, Conditional Access, and Advanced Threat Protection
- Exchange Online Protection (EOP) Administration: Managing and configuring Microsoft's cloud-based email filtering service, which is designed to protect against spam, malware, and other email-borne threats
- Perform Exchange Online (EOP) Investigate and resolve malicious emails, URL, and attachments
- Review security reports and identify users’ risks, check for vulnerabilities, and make sure that systems are upgraded to the most recent version of the antivirus software
- Review Barracuda Dashboard for Email Security Gateway for any issues/Anomalies and Threat analytics dashboard for Ransomware, Phishing, and Vulnerability threats, message tracking, and managing messages quarantine
- Check Event Log Analyzer Dashboard Items and review auditing error alerts
- Perform Exchange mailbox/database backup, restore, and add disk space to databases as needed
- Perform Sage HRMS Client and Payroll systems configuration and migration from Windows 2012 to Windows 2022
- Perform administration via Muraki Dashboard.: Install and configure dashboard software tools and systems and integrate the dashboard with multiple data sources (databases, APIs, etc.)
- Monitor dashboard performance to ensure it is operating efficiently
- Address any performance issues such as slow load times or data syncing problems
- Uses IT Glue to Centralized Documentation, allowing multiple users to edit and collaborate on documents directly within the platform
- New Outlook deployment: Implement steps to deploy New Outlook by creating a Mailbox policy to restrict users from adding personal email accounts
- Perform Web server upgrade: Install and configure Windows server 2012 R2 to Windows server 2022.
Senior Office 365 Systems Engineer
Persistent Systems, Microsoft
Santa Clara, CA
10.2022 - 07.2024
- Provide technical support for Office 365 services, including Exchange Online, SharePoint Online, Teams, and OneDrive, resolving email flow, authentication, and user access issues
- Manage and maintain Azure Active Directory, including user account creation, group management, and application access policies
- Implement and manage Multi-Factor Authentication (MFA) to enhance security and prevent unauthorized access to Office 365 services
- Conduct Office 365 migrations from on-premises environments to the cloud, ensuring minimal disruption to business operations and seamless data transfer
- Develop and maintain PowerShell scripts for automating repetitive tasks, such as user provisioning, mailbox management, and report generation
- Configure and manage email security features, including Exchange Online Protection (EOP) and Data Loss Prevention (DLP), to protect against spam, phishing, and data breaches
- Provide user training and create documentation to ensure effective use of Office 365 applications and adherence to best practices
- Collaborate with cross-functional teams to troubleshoot complex issues, ensuring prompt resolution and minimal impact on end-users
- Monitor and analyze Office 365 performance metrics, identifying areas for improvement and implementing optimizations to enhance system efficiency
- Supported the migration from Windows Server 2008
01.2012 - 01.2016
- 2019, upgrading systems with minimal disruption to business operations
- Perform weekly meetings with customers to discuss and address concerns effectively, fostering a positive relationship, and demonstrating commitment to their satisfaction
- Proactively follow up with customers to ensure that their issues are resolved and that they are satisfied with the support received
- Process Improvement: Identify opportunities for improving support processes, tools, and customer experiences
- Provide feedback to product teams on customer pain points, feature requests, and areas for product enhancement
- Guide customers through problem-solving processes via remote support tools, phone, email, or chat
- Deliver high-quality support experiences to customers, ensuring prompt and efficient resolution of issues
- Perform Workshops on Identity Management: Configured and managed Azure AD Connect for seamless synchronization between on-premises AD and Azure AD, supporting SSO and hybrid identity scenarios
- Diagnose and resolve complex technical issues by identifying root causes and implementing effective solutions.
Systems Security Analyst
Weirton Medical Center, ACE Technology
Weirton, WV
04.2022 - 09.2022
- Office 365 Support: Provided Tier 2/3 support for Office 365-related issues, including email delivery, SharePoint access, and Teams configurations
- Active Directory Management: Administered Active Directory, including user and group management, GPO configuration, and directory synchronization with Azure AD
- Coordinated with cross-functional teams to integrate Office 365 services with existing enterprise applications, enhancing overall system interoperability
- Exchange Online Migration: Configure mail flow between Exchange Hybrid Environment and migrate mailboxes to Exchange Online
- Security Implementation: Implemented security measures such as MFA, Conditional Access, and Advanced Threat Protection (ATP) to protect against cyber threats and ensure compliance with regulatory standards
- Entra ID/Exchange Online Protection (EOP) Administration: Managing and configuring Microsoft's cloud-based email filtering service, designed to protect against spam, malware, and other email-borne threats
- Perform Exchange Online (EOP) Investigate and resolve malicious emails, URL, and attachments
- Create a Phishing Campaign via the O365 Defender Portal for user awareness and assess what users need awareness training
- Check Kaspersky Cyber alerts, review Virus reports, and take necessary actions
- Perform DUO administration but not limited to adding and deactivating accounts and configuring 2FA on devices
- Review Active directory reporting on accounts and validations for logins (90-Day Report) using ADM-360
- Review security reports and identify users’ risks, check for vulnerabilities, and ensure systems are upgraded to the most recent version of the antivirus software
- Review Microsoft Defender security phishing and malware incident alerts
- Review Barracuda Dashboard for Email Security Gateway for any issues/Anomalies and Threat analytics dashboard for Ransomware, Phishing, and Vulnerability threats, message tracking, and managing messages quarantine
- Check Event Log Analyzer Dashboard Items and review auditing error alerts
- Enhance security initiatives by configuring MFA, data loss prevention (DLP), and performing security audits reducing the risk of cyber threat
- Perform exchange mailbox/database backup, restore, and add disk space to databases as needed
- Manage mailboxes, Distribution Groups, public folders and perform active directory management
- Testing and deployment of Service Packs, upgrades, and hotfixes to Windows 2008 and 2012 VMs
- Performed email Quarantine administration task via Message Labs/IronPort semantic cloud settings.
Exchange/Window Server administrator
Oshkosh Corporation
08.2019 - 03.2022
- Brook source (Remote)
- Office 365 Deployment: Managed the full lifecycle of Office 365 deployment for a global workforce, including licensing, user migration, and post-migration support
- Server Administration: Administered Windows Server environments, managing roles such as Active Directory, DNS, DHCP, and file services
- Office 365 Support: Provided Tier 2/3 support for Office 365-related issues, including email delivery, SharePoint access, and Teams configurations
- Virtualization: Implemented and managed VMware and Hyper-V environments, optimizing resource allocation and ensuring high availability of critical applications
- User Support: Delivered technical support and training to end-users, enhancing their productivity and effective use of IT resources
- Windows Server Maintenance: Administered and maintained a fleet of Windows Servers, ensuring timely patching, upgrades, and disaster recovery readiness
- Network Administration: Provided network support and configuration, including DNS, DHCP, and VPN, to ensure reliable connectivity and data flow across the organization
- Deploying, and optimizing Microsoft Exchange Server environments
- Expertise in handling mail flow, server maintenance, migration projects, and security configurations
- Adept at troubleshooting complex issues, ensuring high availability, and implementing disaster recovery solutions
- Active Directory Health: Ensure that AD is functioning correctly
- Use dcdiag to check the health of the domain controllers and repadmin to verify the replication status
- Review Application logs: Check the Windows Event Viewer for any critical or warning events related to Exchange, Active Directory, or other relevant services
- Review Exchange-specific logs located in the C:\Program Files\Microsoft\Exchange Server\V15\Logging\ directory (for Exchange 2013 and later
- Review DNS Health: Verifying that DNS records related to mail flow (MX records, Autodiscover, etc.) are correct and properly resolved
- Using tools like nslookup or dnscmd
- Check mail flow configuration: Review Transport Rules and Send Connectors that might affect mail flow
- Monitor Exchange Server Health: Review and monitor the Exchange Health Dashboard performance to track critical counter related to mail flow
- Apply Microsoft.NET Framework upgrade, CU Update, and Windows server 2016 updates on 20 plus servers
- Configure Office 2010/2013/2016 and 2019 Clients user Group policy issues
- Collaborated closely with team members in creating Knowledge Base articles, and process Documents, and uploaded to the internal SharePoint site and MS Team channel
- Monitor and resolve SCOM alerts, related to Windows Server disk space, Exchange databases, and mailbox
- Administered message labels and performed message tracking and checked for quarantine messages
- Managed exchange servers’ reboots using the HP iLO Remote Server Management console
- Proofpoint/IronPort administration, release, and block quarantine messages, some due to attachment-related issues
- Manage Active Directory infrastructure, including user account creation, group policy management, and security configurations
Systems Engineer
Black Box Corporation
Lawrence, PA
01.2018 - 06.2019
- Office 365 Deployment: Managed the full lifecycle of Office 365 deployment for a global workforce, including licensing, user migration, and post-migration support
- Server Administration: Administered Windows Server environments, managing roles such as Active Directory, DNS, DHCP, and file services
- Exchange Server Management: Manage and maintain the “Exchange Server” environment, ensuring optimal performance and availability across multiple locations
- Mail Flow Troubleshooting: Resolved complex mail flow issues by analyzing message tracking logs, transport rules, and connector configurations that might affect mail flow
- Monitoring and Reporting: Utilized monitoring tools to track server performance and email traffic, generating reports for management review
- PowerShell Automation: Automated routine administrative tasks using PowerShell scripts
- Review Exchange/ Application logs: Check the Windows Event Viewer for any critical or warning events related to Exchange, Active Directory, or other relevant services
- Review DNS Health: Verifying that DNS records related to mail flow (MX records, Autodiscover, etc.) are correct and properly resolved
- Used tools like nslookup or dnscmd
- Monitor Exchange Server Health: Review and monitor the Exchange Health Dashboard performance to track critical counter related to mail flow
- Apply Microsoft.NET Framework upgrade, CU Update, and Windows Server 2016 updates on 20 plus servers, and monitor diskspace and alerts for database corruption
- Configure Office 2010/2013/2016 and 2019 Clients user Group policy issues
- Collaborated closely with team members in creating Knowledge Base articles, and process Documents, and uploaded to the internal SharePoint site and MS Team channel
- Monitor and resolve SCOM alerts, related to Windows Server disk space, and exchange databases/mailbox corruption
- Install and configure a test Exchange Labs for infrastructure testing
- Install and configure Message Labs and IronPort semantic cloud settings
- Perform message tracking, manage messages in quarantine
- Detect and block email-borne threats, such as malware, spam, and phishing attempts
- Configure DLP policy, email policies, reports, quarantines, encryption profiles, and the trace debugging tool
- Modifying LDAP Server profile settings for external authentication and performing RSA Security Management Administration
- Lead, coordinate, plan, and completion of projects, set deadlines, and assign responsibilities.
Office 365 Support Engineer
Alcoa Information Technology, Inc
Pittsburgh, PA
06.2015 - 01.2018
- Office 365 Management: Oversee the administration and optimization of the Office 365 environment for 8,000+ users, including Exchange Online, SharePoint Online, Teams, and OneDrive
- Exchange Online Migration: Successfully led a cross-functional team in migrating the on-premises Exchange environment to Exchange Online
- PowerShell Automation: Develop scripts to automate routine tasks, including user provisioning, mailbox management, and security compliance checks
- Performed Microsoft Office 2013/2016 Migration from Exchange 2007 environment to Office 365 Cloud and performed OneDrive deployment and support for approximately eight thousand users
- Monitored and addressed trouble tickets and service requests submitted to the Office 365 Team
- Administer and configure Online Archive as part of the OneDrive Project deployment and upload technical documents to the Microsoft Team Site
- Office 365 Configuration: Install and Configure Office 2013/2016/2019 Outlook Clients
- Configuring and resolving Outlook connection issues
- Shared Mailbox Management: Creation, permission management, mailbox delegation, and monitoring Shared mailbox are commonly used in organizations to allow multiple users to access and send emails from a common mailbox
- Provide administrative support to exchange mailboxes and grant E1/E4 licenses
- But not limited to Project and Visio
- View all the activity reports in the Office 365 admin center, manage support tickets, and monitor service health
- Monitors changes to the service view all posts to the Message Center in Office 365 and share Message Center posts with others through email
- Perform administration and support for Skype for Business 2016
- Perform OneDrive deployment, administration, and support for 8000 plus users
- Administer and configure Online Archive as part of the OneDrive Project deployment and upload technical documents to the Microsoft Team Site
- Configure and export on-premises PST to Exchange Online Archiving
- Group Policy Management: Test and configure group policy for Office 365, software installation, and scripts
- Troubleshoot and resolve Office 365 application access issues due to group policy restrictions
- Manages mailboxes and anti-spam policies for your business, using the Exchange admin center
- View all the activity reports in the Office 365 admin center, manage support tickets, and monitor service health
- Hybrid Environment Management: Manage and support hybrid environments that integrate on-premises and Office 365 services
- Security Implementation: Implemented security measures such as MFA, Conditional Access, and Advanced Threat Protection (ATP) to protect against cyber threats and ensure compliance with regulatory standards
- Active Directory Management: Administered Active Directory, including user and group management, GPO configuration, and directory synchronization
- Deploy Windows Server Update Services (WSUS): Configure WSUS or SCCM to manage updates across the network.
Office 365 Administrator
Cognizant/Mylan
Morgantown, WV
12.2014 - 06.2015
- Mailbox Management: Create, manage, and troubleshoot user and shared mailboxes
- Assigned and managed Office 365 Licenses to ensure users have correct access to Exchange online services
- Mail Flow Rules: Configure and maintain transport rules, spam filters, and mail flow settings to ensure secure and compliant email communication
- Migration: Perform migrations from on-premises Exchange or other email systems to Exchange Online
- Password Management: Reset, configure, and enforce password policies
- Provide advanced level expertise relating to Microsoft Lync 2013 exchange 2010/O365 and Mobile Device Management
- Perform day-to-day operation of Lync & O365 environments including change, release, performance, and availability management
- Monitor availability and correct functioning of Lync, O365, MDM as well as server systems capacity upgrades
- Performed O365 administration on premises\hybrid environment
- Perform Exchange Online Protection/Office 365/Lync administration, PowerShell Scripting, Blackberry, iPhone, iPad and Windows Phone
Systems Analyst
The Fountain Group / Bayer
Robinson, PA
07.2014 - 11.2014
- Performed upgrade and replaced old domino server with new server
- Refresh design on corresponding production databases; register new Domino servers in the domain and modify Policy documents
- Created CA Certificate, signed CA Certificate, and, restarted http task to correct an issue with an expired web server certificate
- Provides technical support for Lotus Domino and Exchange applications by planning, testing, and documenting
- Administered and managed Mail Marshall SMTP mail flow and filtering
- Administered Domino and exchange server (Trend) Scan mail Antivirus and content security protection
- Perform Storage backup and restore using Tivoli Storage Manager Data Protection
- Performed Server maintenance on databases, blocklist/Whitelist SMTP, IP and Domain addresses using Mail-Marshall, and Confirmed and monitored message routing issues and message tracking
- Assigned and resolved Lync 2010, and Exchange 2010 using HP Service Desk Manager ticketing system
- Provide operational support and troubleshooting of system infrastructures, diagnosing, and resolving system problems
- Perform mobile device management and configuration using Enterprise Mobility Management - Air Watch
Systems Administrator/Lync Admin
TEKsystems
04.2013 - 04.2014
- Center for Medicare & Medicaid Services/Woodlawn MD
- Administered and managed 8000 Lync users for the Center for Medicare & Medicaid Services (CMS)
- Administered and managed the CMS Microsoft Lync Server 2010 Infrastructure
- Assisted in the Architecture, design, implementation, and support of the CMS Lync environment
- Served as a third-level escalation point for problems and resolution associated with Lync client and server issues
- Assisted in maintaining and applying cumulative updates to the Lync Server 2010 infrastructure.”
- Check and resolve system Wintel server-based UC application Performance issues and Establish Lync user roles
- Monitored server memory, created monitoring reports, and addressed tickets and service requests submitted
- Created SOPs and knowledge base articles and uploaded them to the UC Application SharePoint Site
- Build a Lync 2010 and Lync 2013 lab environment with Exchange 2010/2013 and SharePoint capabilities
- Perform Lync 2013 Performance Testing and HP Hardware Configuration
- Creating and configuring Virtual Machines (VMs) from VMware ESXi 5.1 and Windows Server 2012 Hyper-V for the Lab environment
- Configure DNS records for internal and external users and Perform Certificate renewal on Lync 2010 Servers
- Manage and delegate permissions within the Lync infrastructure and monitor server memory, create monitoring reports, and distribute to the management team.
Senior Systems Analyst
Attain, INC/RTL Networks
12.2008 - 02.2013
- USDA
- Accepted inbound telephone and email notifications for Enterprise Messaging Support Cloud Services incidents and service requests
- Performed Migration from Exchange 2003/2007 to Exchange 2010
- Applied software patches and ongoing system tuning
- Provided administration and support for Office 365 Exchange, Outlook, Active Directory, Lync, and Proofpoint-related issues
- Managed Outlook Public folders access and Set Access Permission for mailbox calendar, system recycle bin, and storage
- Provided support, testing, deployment, and upgrade performed Support and Administration on the Windows 2003/2008 physical servers, and domain controllers located in Microsoft data centers
- Superior troubleshooting and technical support abilities with migrations, network connectivity, and security and database applications
- Troubleshoot Desktop/Network/Wireless Configuration and remote Connectivity Issues
- Support McAfee server policy-based security and control for iPhone, iPad, and Android including device loss protection, endpoint security, data leakage protection, network access control, identity management and assign policies
- Provide message tracking using the Exchange Control Panel (ECP) Tool message tracking for mail flow delivery receipt and mailbox management using PowerShell, check mailbox size limit, configure attributes, and lookup mailbox properties
- Migrate from Lotus Notes Domino and Exchange 2010 environment to Office 365 Cloud
- Provide Tier 2 and Tier 3 technical support, remediate vulnerabilities of emails that may contain viruses, troubleshoot, and resolve Spam Filtering issues, process mail file deletion requests that are older than 30 days (Pending by Server) and process accordingly
- Perform, backup & restore, data retention solution – knowledge of primary messaging standard protocols such as SMTP and LDAP, Manage and /or assist in the deployment of systems/Windows server updates and patches
Education
Bachelor of Science - Information Technology
Strayer University
01.2001
Associate Applied Science - Information Technology
Sullivan Community College
01.1997
Skills
- Office 365 Administration
- Exchange Online
- SharePoint Online
- Microsoft Teams
- OneDrive for Business
- PowerShell Scripting
- Windows Administration
- Windows Server
- Active Directory
- Group Policy
- DNS
- DHCP
- WSUS
- Linux Server Administration
- Virtualization
- Hyper-V
- VMware
- Azure Virtual Machines
- Migration
- Exchange to Office 365 Migration
- SharePoint Migration
- Azure AD Connect
- Windows Server Upgrades
- Email Security
- Office 365 Security & Compliance
- Data Loss Prevention (DLP)
- DNS/TXT record
- DKIM
- DMARC
- BitLocker
- Network Firewalls
- Networking
- TCP/IP
- VPN
- Load Balancing
- LAN/WAN
- Backup & Recovery
- Azure Backup
- Veeam
- Windows Server Backup
- Disaster Recovery Planning
- Monitoring & Troubleshooting
- System Center Operations Manager (SCOM)
- Performance Monitoring
- Log Analysis
- Incident Management
- Azure Cloud Platforms
- Microsoft Azure
- Entra ID
- Multifactor Authentication (MFA)
- Conditional Access Policy
- Azure Active Directory (Azure AD)
- Role-Based Access Control (RBAC)
- Configuration
- Deployment
- Cisco Meraki
- Enterprise Vault Veritas
References
Available upon request
Timeline
Systems Engineer, Sharon
RDI Corporation
10.2024 - 01.2025
Senior Office 365 Systems Engineer
Persistent Systems, Microsoft
10.2022 - 07.2024
Systems Security Analyst
Weirton Medical Center, ACE Technology
04.2022 - 09.2022
Exchange/Window Server administrator
Oshkosh Corporation
08.2019 - 03.2022
Systems Engineer
Black Box Corporation
01.2018 - 06.2019
Office 365 Support Engineer
Alcoa Information Technology, Inc
06.2015 - 01.2018
Office 365 Administrator
Cognizant/Mylan
12.2014 - 06.2015
Systems Analyst
The Fountain Group / Bayer
07.2014 - 11.2014
Systems Administrator/Lync Admin
TEKsystems
04.2013 - 04.2014
01.2012 - 01.2016
Senior Systems Analyst
Attain, INC/RTL Networks
12.2008 - 02.2013
Bachelor of Science - Information Technology
Strayer University
Associate Applied Science - Information Technology
Sullivan Community College
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