Marcos Feliciano –

P: 480-***-**** / G: adrg5v@r.postjobfree.com

Microsoft exchange/0365 Engineer – Messaging, Migration and Security

PROFILE

** ***** ** *********** ********** experience in a professional environment.

Expert in Microsoft Exchange and Office 365 in Enterprise environments with more than 7 years’ hands-on experience.

Skilled with hybrid and staged deployments of Office 365.

Deploy and maintain virtual server environments.

Skilled with Windows server 2003-2012 deployment and administration for enterprises.

Set up high-availability options with Exchange.

Knowledgeable about transitioning between versions of Exchange servers.

Knowledgeable in deploying Office 365 for corporate environments.

Experience deploying and configuring DirSync and ADFS services.

Skilled with troubleshooting Exchange and client connectivity issues.

Experience with domain setup configuration and administration.

Create labs and sandbox environments for testing and integration purposes.

Experienced with deploying Microsoft Exchange messaging platforms that adhere to Microsoft’s best practices.

Skilled with the deployment and maintenance of Database Availability Groups (DAG).

Experience configuring clustering services for Exchange CCR/SCR/LCR.

Skilled with Active Directory administration and configuration.

Communicate effectively with individuals and groups of all levels.

Well-developed decision making and problem-solving abilities.

Detail oriented and able to handle multiple projects concurrently.

Insightful, talent for quickly mastering technology.

Flexible and versatile professional who works well independently as well as with others.

Results driven individual with excellent time-management skills.

TECHNICAL SKILLS

Servers:

Exchange 2003-2019, Lync Server2010-2013, Skype-for-Business 2015, Windows 2000 – 2022, SQL Server 2000 – 2008, IIS, Unix, Microsoft Exchange Server, DNS, DHCP

Exchange:

Exchange 2007, 2010, 2013, 2016, 2019, Exchange Online

Office 365:

Active Directory Federation Services (ADFS), Active Directory Domain Services (ADDS), Office 365 Admin, Azure, Intune SharePoint Online, OneDrive, Teams, Defender for Office 365, Defender for Endpoint, Defender for Identity

Software:

Windows:

Microsoft Exchange 2003, 2007, 2010, 2013 and Office 365, MS Project, MS Visio, MS Office 2003/2007/2010, Lotus Notes, Dreamweaver/ Fireworks, Illustrator CS2- CS4, Cisco VPN, Audition 1.5/2.0/3.0, Cisco VOIP Configuration, HP Service Test, Agile, SOAP, VMware, Cisco Unity Call Manager, BES, Lync 2010, 2013 and Skype for Business

Windows Server 2016, 2012 R2, 2012, 2008 R2, 2008 SQL Server

Systems:

UNIX, Windows 9X/NT/2000/XP/2K3/Vista/Win7, Win8, Win10, Mac OS/ Ubuntu/ Windows Server 2003, 2007, 2008, 2008R2, 2012

Databases:

Oracle, ADB2, Relational Databases, SAP, SOA, Technical Writing, Computer Security, Active Directory, GPO, DAG, SQL

Cloud Platforms

Office 365, Exchange Online

Scripting

PowerShell

Network and Telecom

TCP/IP v4 & 6, VLANS, STP, Solaris, FTP, DNS, SAN, Ethernet, WAN/LAN, ATM, Frame Relay, Sonic Wall, SSL, DHCP

Utilities

Azure ADConnect, Active Directory, PowerShell

WORK EXPERIENCE

Microsoft 365 Security Engineer NortonLifeLock Inc., Tempe, AZ

04 2020 – Present

NortonLifeLock Inc. is a software company that provides cybersecurity software and services.

Worked directly with new customer stakeholders to understand their business and IT operations needs and draft and propose solutions.

Reviewed and recommended new IT components and systems for purchase.

Improved performance by utilizing high-availability techniques, including continuous replication, network load balancing, single copy clustering, etc.

Configured, installed, and deployed multiple types of systems, including Intune, Azure, O365, Exchange, and System Center Configuration Manager processing lifecycle components of MDM – Mobile Device Management, MAM – Mobile application Management, MEM – Mobile Email Management, Macintosh, and Windows computer management transactions.

Supported LANs, WANs, network segments, Internet, and intranet systems.

Responsible for provisioning, installation/configuration, operation, and maintenance of systems hardware and software and related infrastructure.

Installed database upgrades and resolved tickets with technical issues.

Installed and configured Microsoft Exchange Servers and performed preventative maintenance and troubleshooting.

Deployed Microsoft Defender for Identity, and installed sensors in Domain Controllers.

Deployed Antivirus and Firewall policies to Windows 10 devices, using Defender for Endpoint.

Configured Microsoft Cloud App Security and discovered 3rd-party cloud apps.

Hardened Microsoft 365 tenant using Conditional Access policies and Privilege Identity Management.

Prevented data breaches by using Azure AD Identity Protection and Multi Factor Authentication.

Deployed Data Loss Prevention and Retention policies to comply with regulatory agencies.

Applied technical support to hardware, software, and operating systems issues via phone or remote access.

Enabled users for Teams services, allowing internal and external collaborative services.

Maintained and managed Exchange components, including Exchange Database, Public Folders, Offline Address List, Free/Busy Information, Outlook Web Access, and Mail Flow.

Performed performance operation/quality tests and identified and corrected performance issues of the various systems (e.g., Intune, Azure, O365, Exchange, and System Center Configuration Manager processing lifecycle components of MDM – Mobile Device Management, MAM – Mobile application Management, MEM – Mobile Email Management, Macintosh, and Windows computer management transactions).

Utilized PowerShell to perform checks for Exchange Logs, Event Logs, General Exchange Administration, and various other tasks.

Maintained and supported network infrastructure.

Managed and monitored Active Directory environment.

Troubleshot user connections to Tea s services and instructed users on functionality.

Led training sessions to introduce new features of Microsoft Exchange Online and Teams.

Applied Licensing and provisioned users for Teams and applied polices to accounts.

Administered DHCP Server creation and configured router IP address.

Messaging Migration Engineer Jacobs Engineering Group Inc., Dallas, TX

06 2018 – 04 2020

Jacobs Engineering Group Inc. is an international technical professional services firm. The company provides engineering, technical, professional and construction services, as well as scientific and specialty consulting for a broad range of clients globally, including companies, organizations, and government agencies.

Configured Exchange in hybrid environment for preparation of migration project to Office 365.

Built Windows Servers and Terminal Servers in a Virtualized Infrastructure using VMWare and Hyper-V.

Completed a VMware Environment Build and upgraded via Vcenter.

Provided technical support for Citrix Cloud users.

Created Retention policies and DLP.

Created Intune compliance policies and App Protection policies.

Evaluated and implemented Conditional Access policies to block legacy protocols and untrusted locations.

Applied ITIL processes for services that dealt with customers and business needs.

Upgraded systems and processes as required for enhanced functionality and security issue resolution.

Performed patch management of Windows and Linux infrastructures.

Migrated Exchange 2013 mailboxes to Office 365.

Deployed AntiSpam and Anti Phishing policies using Exchange Online Protection.

Updated SPF, DKIM and DMARC.

Migrated Skype for Business Server 2015 to Skype for Business Online.

Migrated Skype for Business to Microsoft Teams, using Island Mode.

Programmed PowerShell scripts for Active Directory and Exchange configuration and automation.

Migrated File Share Folders to SharePoint and OneDrive.

Created SharePoint Online sites and manage permissions.

Provided Tier 2 & 3 support and completed item tasks assigned by a ServiceNow ticketing system.

Implemented a Storage SAN and managed for Virtual Environment build.

Exchange/Office 0365 Engineer Micrel, San Jose, CA

03 2016 – 06 2018

Micrel (now Microchip) was a leading manufacturer of IC solutions for the worldwide high-performance analog and high-speed mixed signal, LAN and timing and communications solutions markets.

Administered, installed, troubleshot, operated, tested, configured and migrated messaging technologies.

Configured and troubleshot issues with ActiveSync such as client connectivity.

Installed, configured and optimized IT infrastructures to achieve high availability and performance.

Implemented the roles Edge Transport, Mailbox, CAS Array, Hub Transport and Unified Messaging in a Microsoft environment.

Applied ITIL processes/Incident Management.

Created and augmented PowerShell scripts for efficiency and streamline-ability regardless of manufacturer and vendor implementation.

Performed tuning, transaction log selection, backup and recovery of Microsoft SQL servers.

Administered user accounts and mail contacts for external users in Active Directory on the Exchange email and messaging system.

Created shared folders and assigned users appropriate Permissions in Exchange.

Accessed and used SCCM to remote connect on user’s computers.

Configured and deployed messaging server infrastructures in a highly available scenario via clustering, DAG, load balancing, pools, and pool pairing.

Utilized PowerShell for administration, operations, configuration, and reporting.

Used Wireshark, InTune and Mobile Iron.

Completed Windows System implementation, integration and support of Directory Services for enterprise systems.

Implemented and supported Active Directory.

0365 Administrator Textron Inc., Providence, RI

08 2014 – 03 2016

Textron Inc. is a multi-industry company that leverages its global network of aircraft, defense, industrial and finance businesses to provide customers with innovative solutions and services.

Performed diagnostics to troubleshoot and resolve problems within Active Directory in Exchange system prior to Office 365 migration.

Configured domain in Office 365, and DNS/MX settings, and verified routing.

Enabled Lync/Skype-for-Business feature in Office 365 mailboxes.

Assigned user licenses for Office 365 user accounts.

Fine-tuned Office 365 performance and ensured compliance with corporate policy.

Performed and oversaw software and application installation and upgrades related to Office 365.

Used PowerShell scripts to create mailbox migration batch.

Monitored migration status and adjusted as needed.

Developed and conducted various training and instruction for system users on Office 365 services and other applications.

Helped with the migration to Office 365 cloud-based solutions, including moving critical data, processes, and workflows.

Implemented DirSync services for directory service synchronization.

Deployed ADFS server for single sign-on functionality.

Utilized the administration portal to manage users accounts and mailboxes.

Performed troubleshooting services offered in Office 365 applications and identified and corrected malfunctions.

Systems Administrator CBIZ, Cleveland, OH

04 2012 – 08 2014

CBIZ provides its clients with financial services including accounting, tax, financial advisory, government health care consulting, risk advisory, real estate consulting, and valuation services.

Assisted Network Administrator in identifying, evaluating, and implementing hardware and software solutions for the network system.

Installed, configured, maintained, documented, and upgraded hardware, firmware, peripherals, operating systems, and applications.

Diagnosed, troubleshot, and resolved a range of software, hardware, and connectivity issues for users across the enterprise.

Developed training materials and procedures, or train users in the proper use of hardware or software.

Troubleshoot Lan/Wan and network issues and coordinates/escalates issues with appropriate staff for problem resolution.

Resolved server configuration problems.

Wrote scripts to ensure smooth server/reboot functioning.

Provided technical advice and guidance for questions related to network IT and software support and administration.

Maintained records of daily data communication transactions, problems and remedial actions taken, or installation activities.

EDUCATION

Universidad Politecnica De Puerto Rico – Masters (Computer Engineering)

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