ERIK LARSON

LEAD MICROSOFT *** ENGINEER

ad2wvc@r.postjobfree.com

862-***-****

Profile Summary:

Results-driven IT professional with over 13 years of comprehensive experience in managing and optimizing Microsoft 365 technologies, specializing in Exchange Online, Teams, OneDrive, SharePoint, Intune, Azure Security, and Azure Cloud services. Adept at implementing transformative solutions, ensuring seamless integrations, and enhancing organizational productivity. Total of 19+ years in IT industry

Key Skills and Expertise:

•Microsoft 365 Technologies: Demonstrate proficiency in Exchange Online, Teams, OneDrive, SharePoint, Intune, Azure Security, and Azure Cloud services.

•VOIP Technologies: Extensive background in VOIP technologies with a focus on voice system integration, including Skype for Business and Teams.

•Azure Identity Management: Experienced in Azure AD, Privilege Identity Management, Azure Identity Protection, Conditional Access, and Multifactor Authentication.

•Security and Compliance: Proven ability to plan and deploy Security and Compliance solutions, including Data Loss Prevention, Retention, eDiscovery, Litigation Hold, and Microsoft 365 Unified Audit logs.

•Solution Design and Deployment: Proven track record in designing and deploying on-premises solutions, emphasizing Azure, Exchange Online, and Office 365 coexistence and migration.

•Notably, accomplished 5 cloud migrations, with an additional 2 on-premises migrations, significantly enhancing productivity and collaboration.

•Organizational Transformation: Specialize in guiding organizations through transformative journeys, covering assessments, user adoption strategies, content migration, and seamless integrations for enhanced productivity.

•Microsoft Teams Migration: Excel in seamless transitions to Microsoft Teams, demonstrating expertise in holistic data migration and designing targeted training programs for user adaptation.

•Enterprise Experience: Over 15 years of enterprise experience delivering custom solutions to complex problems.

•Networking: In-depth knowledge of network topologies and networking support procedures.

•Mobile Device Management: Hands-on experience implementing Intune and Mobile device and application management.

•Microsoft Messaging: Over 10 years of experience in planning, designing, and migrating Exchange services.

•Active Directory and Windows Server: Extensive knowledge with Active Directory and Windows Server infrastructures.

•Virtualization Technologies: Adept with virtualization technologies, including PaaS, IaaS, and SaaS.

•Cloud Deployments: Knowledgeable in public and private cloud deployments, support, and architectures.

•Email Security Solutions: Experience with Email security solutions, including IronPort, Proofpoint, Exchange Online Protection with Advanced Threat Protection, Anti-spam, Anti-malware, Anti-Phishing, Scloafe Attachments, and Safe Links.

•Disaster Recovery: Expertise in disaster recovery topology planning, back up, and recovery.

•Operating Systems: Proficient with Windows 2003, 2008, 2008R2, 2012, 2016, 2019, and Linux systems.

•Hardware and Software: Adept with hardware and software components, including HP, Dell, Mac, Windows, and Linux.

•Telephony Voice Systems: Strong skills in telephony voice, A/V, and call systems, such as Skype for Business and Teams.

•Email Authentication: Experience deploying SPF, DKIM, and DMARC, along with DMARC Report Analysis.

Demonstrated ability to deliver comprehensive solutions, combining technical expertise with strategic thinking to address complex challenges and drive organizational success.

Technical Skills:

•Azure

•Microsoft 365

•Active Directory

•Azure Active Directory

•Conditional Access

•Multifactor Authentication

•Single Sign On

•Active Directory Federation Services (AD FS)

•Azure AD Connect

•Exchange Hybrid Configuration Wizard

•IDFix

•PowerShell scripting

•Privilege Identity Management

•Azure AD Identity Protection

•Azure Information Protection

•MS Teams

•Intune, Endpoint Protection

•Windows Defender

•Data Loss Prevention

•eDiscovery, Advance eDiscovery

•Retention Policies

•Classification Labels

•Exchange Online Protection

•Advance Threat Protection

•RBAC

•Cloud Access Security Broker

•MDM & MAM

•Skype for Business Server 2015/2019

•Lync Server 2010

•Windows 3.x/9x/NT/2000/XP/Vista/7/8/10

•Windows Server 2003/2008/2012/2016/2019

•Red Hat Linux (RHEL 4-7)

•Sun Solaris 8/10

•CentOS Linux (5-7)

•Mac OS X (10.1-10.10)

•Exchange Server 2007/2010/2013/2016/2019

•Asterisk 1.4

•VoIP (tech and phones)

•Disaster Recovery

•High Availability

•Database Availability Groups

•Exchange CAS Array

•Database Activation Coordination

•DB Switchover and Failover

•Exchange Calculator Sheet

•MFCMAPI

•MS Support and Recovery Assistant Tool

•Fiddler

•WireShark

•Office 365 Remote Connectivity Analyzer

•EWS

•Orion Solarwinds

•SIEM

•BitTitan

•Quest

•Active Directory Migration Tool (ADMT)

•Password Hash Sync

•Ticketing Systems

•ServiceNow

•Remedy

•JIRA

•Change Management

•WSUS

•Planner

•Proofpoint

•MS Project

•MS Visio Diagrams

Employment History:

Lead Manager - Microsoft Exchange & Office 365 Technical Operations, Horizon Blue Cross Blue Shield (BCBS), Newark, NJ

Since June 2022 – Present

The main aim of the project is to migrate all Horizon BCBS users from on-prem Exchange email to Office365. As a part of that project, they are also replacing Skype with Teams, utilizing Intune and SCCM and Autopilot for new laptop deployments and replacing Air watch with Intune for mobile devices. There is also a related project for implementing a retention policy for corporate data, including email retention.

•Orchestrating and leading a dynamic O365 Engineering team comprised of 6 members, responsible for the seamless transition of a large-scale company separation into a steady state in a hybrid configuration.

•Conducting comprehensive assessments of the current state of the on-premises email and network environment, meticulously evaluating space requirements for mailboxes.

•Serving as the Confidential Migration Team Lead for Workstation/Office, ensuring a secure and confidential transition process.

•Strategizing and implementing an efficient O365 onboarding process, leveraging PowerShell tools to streamline provisioning and licensing tasks.

•Overseeing Azure Administration, providing regular O365 administrative and engineering support to maintain optimal system performance.

•Enforcing retention policies on both existing on-premises user mailboxes and new O365 mailboxes, ensuring compliance with organizational standards.

•Executing meticulous test-batch migrations of users from on-premises to O365, ensuring a smooth transition.

•Evaluating the current Skype environment and developing a migration plan to transition to Teams, including the implementation of Island Mode for seamless coexistence and interaction with Skype users.

•Pioneering email solutions for the integration of SAAS collaboration tools, fostering enhanced collaboration across the organization.

•Managing the migration of test-batches of users from Skype to Teams, ensuring a phased and efficient transition.

•Creating and implementing policies in Intune to fortify the security of corporate and BYOD devices and data.

•Enrolling devices in Intune and rigorously testing for compliance and retention policy implementation to uphold data security standards.

•Deploying AAD App Proxy servers both on-premises and in Azure, facilitating external device access to internal MFA resources.

•Providing comprehensive support for Active Directory provisioning, email configuration, SMTP gateways, and Proxies, ensuring a robust and secure infrastructure.

Senior Office 365 Engineer, Market Axess, Manhattan, NY

May 2021 – June 2022

Collaborated in the clean-up and reworking of a hybrid Exchange environment and provided real redundancy for the Exchange environment worldwide USA/UK operations.

•Conducted a thorough examination and documentation of the existing environment, meticulously analyzing mail flow, server lists, versions, and outlining the subsequent steps.

•Executed the removal of outdated servers from the Data Center, ensuring their complete extraction from Active Directory and VMWare.

•Spearheaded the implementation of new Windows servers, seamlessly installing Exchange Server 2016 edition, re-configuring Database Availability Groups (DAG), and achieving successful data store replications.

•Introduced a robust Hyper-V virtual environment specifically designed for on-premises messaging using Exchange 2016.

•Extracted crucial Exchange configuration data from the On-Prem Active Directory, creating a dedicated Hyper-V virtual environment for meticulous testing before actual implementation.

•Employed the Best Practice Analyzer for the on-premises Exchange environment, utilizing the results to meticulously prepare and pre-stage the architecture for the migration process.

•Synchronized the On-Prem Active Directory to Cloud O365 via Azure AD Connect/Pass-Through Authentication, adeptly troubleshooting sync issues related to attributes, access, and account types.

•Directed the redirection of mail flow to Office 365 for Exchange Online, configuring migration endpoints for seamless mailbox data migration.

•Utilized Hybrid Configuration Wizard (HCW) as a strategic tool to streamline environment preparation for the migration process.

•Successfully implemented Microsoft Skype-for-Business Servers, ensuring optimal communication and collaboration capabilities.

•Conducted a comprehensive cutover migration for thousands of mailboxes to Exchange Online using PowerShell, collaborating with team members to automate the Exchange decommissioning through PowerShell scripting.

•Engaged in PowerShell Admin tasks, particularly within the Exchange Management Shell, demonstrating expertise in administrative operations.

•Expanded storage space on the Data Store to ensure a high-availability solution, bolstering the infrastructure's capacity.

•Leveraged Advanced Threat Protection for enhanced security, specifically addressing content, links, and OneDrive, fortifying the organization against potential threats.

Senior Microsoft 365 Engineer, Nestle, Allentown, PA

Feb 2018 – May 2021

Transitioned and supported initiative for Nestle to move apps, services, and data to a Microsoft hosted deployment for Exchange, File shares, services, and users.

•Spearheaded the daily operations and orchestrated the transition to Microsoft 365 from the private cloud infrastructure, ensuring a seamless and efficient migration process.

•Utilized PowerShell scripts to meticulously prepare users for Exchange and Active Directory migration, demonstrating a proactive approach to the transition.

•Effectively managed batch migration jobs within Exchange, ensuring smooth and organized data migration.

•Investigated and resolved failed migrations and other migration issues promptly, maintaining data integrity and minimizing disruptions.

•Crafted detailed Methods of Procedure outlining the implementation of migration and validation steps, providing a structured and standardized approach to the transition.

•Conducted meetings with stakeholders to review timelines and checkpoints in the migration path, fostering effective communication and alignment with project goals.

•Expertly managed Conditional Access and Identity Protection security policies, enhancing the overall security posture during the migration.

•Leveraged various third-party tools, including Oracle LDAP, Imanami, Transend, Enterprise Vault, and Proofpoint, collaborating with Ping, Proofpoint, and McAfee for comprehensive security measures.

•Provided oversight analysis and reporting using Microsoft PowerBI, offering valuable insights into the migration progress.

•Offered recommendations for improved collaboration, reporting, and communication using Microsoft SharePoint, contributing to enhanced organizational efficiency.

•Executed file shares and data stores to OneDrive, optimizing data organization and accessibility.

•Assisted in Microsoft Office 365 adoption through engaging presentations and training sessions, fostering user familiarity and proficiency.

•Played a key role in troubleshooting multiple clients and back-end systems, addressing issues promptly and ensuring a smooth transition.

•Implemented the Autodiscover function for individuals outside of the forest, enhancing accessibility and user experience.

•Developed comprehensive Skype-for-Business documentation to assist the help desk with T1 ticket resolution, contributing to efficient issue resolution.

•Maintained responsibility for documentation, task tracking, backlog management, and meeting preparation, ensuring a well-organized and efficient work environment.

•Conducted presentations showcasing migration steps, troubleshooting methods, Standard Operating Procedures (SOPs), and Diagram Flows, facilitating clear communication and understanding.

•Engaged in cross-functional collaborations using SharePoint, Microsoft Teams, Exchange, and OneDrive as collaboration tools, promoting effective teamwork and communication across the organization.

Office 365 Migration Consultant, Inovio Pharmaceuticals, Blue Bell, PA

May 2016 – Jan 2018

Responsible for the migration effort of Exchange 2013 to Exchange 2016 and Office 365. Complete with in place data security, authentication, and monitoring parameters.

•Conducted a comprehensive review of architectural designs, engaging with stakeholders to ensure alignment, and utilized PowerShell scripts to meticulously lay out the current setup and dependencies.

•Developed datasheets to outline migration paths and establish project milestones, providing a structured framework for the migration process.

•Authored PowerShell scripts to proactively prepare for migrations, demonstrating a strategic approach to the transition.

•Effectively managed the migration process, addressing incidental issues that arose during the transition and troubleshooting them promptly.

•Created and maintained project timelines and detailed documentation of the entire process and its outcomes, ensuring a transparent and well-documented project history.

•Managed Conditional Access and Identity Protection policies, enhancing security measures during the migration.

•Analyzed the current environment and established route paths for users both internally and externally, optimizing accessibility and communication.

•Successfully resolved external Lync Edge Security issues by implementing Best Practices and rerouting external authentication and communication.

•Implemented Lync Server with Enterprise Voice functionality across multiple sites, currently working on hardening the environment for site resiliency.

•Pioneered the creation of a one-touch solution to enhance cohesiveness between the Lync client and peripheral devices.

•Configured Azure AD Connect and ADFS for Active Directory synchronization/Federation with Azure Active Directory, ensuring seamless integration.

•Programmed UM messenger role within Exchange to enhance functionality for users' voicemail service.

•Successfully rolled out and trained 10 nationwide sites, expanding user capacity from 100 to over 500 users.

•Introduced new collaboration integration for conference rooms, enhancing communication capabilities.

•Developed creative routing methods to address port completion issues from carriers, ensuring seamless call routing.

•Authored a comprehensive SFB How-To manual, guiding users in building and maintaining a Lync 2013 Environment, including disaster recovery procedures.

•Maintained redundant and high availability across all sites with a 3-tier redundant process, ensuring resilience and continuity.

•Created firewall policies to separate voice traffic and data traffic when working remotely, ensuring high-quality calls.

•Assisted in the design and implementation of Exchange 2016/Office 365, providing insights into prerequisites and dependencies on other platforms.

•Shared deeper networking knowledge regarding Quality of Service (QoS) and audio traffic flows, contributing to optimized communication infrastructure.

•Created detailed Visio diagrams illustrating each area of the Lync Environment and site-based call flowcharts, providing a visual representation of the system.

•Demonstrated cost-effectiveness by wearing multiple hats during site visits, acting as an Architect, Engineer, Trainer, Exchange Admin, Active Directory Admin, and Support Analyst.

Exchange Engineer, ExxonMobil, Fairfax, VA

Aug 2013 – May 2016

Responsible for the migration effort of Exchange 2010 to Exchange 2013 for North American user base. Complete with in place data security, authentication, and monitoring parameters.

•Led the comprehensive migration effort from Exchange 2010 to Exchange 2013, involving the review of architectural designs, stakeholder meetings, and the execution of PowerShell scripts for topology layout.

•Created datasheets for migration paths and project milestones, managed the migration process, and troubleshooted incidental issues.

•Designed and implemented Exchange messaging infrastructure, including disaster recovery solutions and high availability measures such as Database Availability Groups (DAG) and CAS Arrays.

•Oversaw relaying, DAG, and database configurations, Active-Sync, Exchange mailbox policies, and related duties for Exchange 2010/13.

•Managed Active Directory DS, Exchange administration, and RBAC and Messaging roles configuration.

•Developed and executed a Disaster Recovery plan for databases, actively participated in change management, and acted as the point of escalation for various issues.

•Implemented an identity and access management system, attended State Testing meetings, and maintained AP Infrastructure and server rooms.

•Set up Cisco VoIP Phones, created scripts for mass deployment, conducted training, and provided ongoing support, resolving technical issues, and planning the rollout of AirWatch for BYOD deployment.

Exchange Migration Engineer, Kraft Foods, Chicago, IL

May 2012 – July 2013

Responsible for the migration effort of Exchange 2007 to Exchange 2010. Complete with in place data security, authentication and monitoring parameters providing High Availability & Disaster Recovery.

•Led the migration effort from Exchange 2007 to Exchange 2010, involving the review of architectural designs, stakeholder meetings, and PowerShell scripts for topology layout.

•Created datasheets for migration paths and project milestones, managed the migration process, and troubleshooted incidental issues.

•Ensured High Availability of mailboxes using CAS Arrays with Big IP F5 load balancers for client access.

•Designed the infrastructure with Windows Server 2008 R2 x64, Exchange 2010, Hyper-V, and VMware ESX. Deployed Microsoft Lync 2010 from POC to production, establishing Front-End Lync Pool and SQL clustering for High Availability.

•Installed Lync Edge server for remote connectivity, mobility, and Web Services. Integrated Polycom devices into the Lync topology, provided training to users, and tested federation with partner organizations.

•Utilized Lync Monitoring Server for usage statistics and conferencing call details.

•Planned and implemented patches and cumulative updates for the Lync enterprise voice environment. Upgraded the BES server from 4.1.7 to 5.0.4 and migrated Websense server solutions from 5.0 to 7.3.

•Managed Group Policies in Active Directory and handled IP address management during the IPV6 rollout.

•Acted as Subject Matter Expert for Exchange Cisco Communicator Deployment.

•Served as the communication liaison between Advanced Technical Support (ATS) and Comcast Connection Center (CCC) regarding telephone port-ins, new EMTA installations, and work order accuracy.

•Contributed to the release of the IMS Switch between Switch Engineers and ATS.

•Demonstrated proficiency in Comcast backend switches and programs.

•Engaged in advanced troubleshooting of telephony provisioning and assisted in creating automation tools for database allocation and node reconciliation.

Exchange Administrator, Medco Health, Franklin Lakes, NJ

Jan 2010 – April 2012

Responsible for the cross-forest migration effort of Exchange 2007 to Exchange 2010 providing security and compliance policies as well as High Availability, High Resiliency and Disaster Recovery.

•Guided the comprehensive migration effort from Exchange 2007 to Exchange 2010, involving the review of architectural designs, stakeholder meetings, and PowerShell scripts for topology layout.

•Created datasheets for migration paths and project milestones, managed the migration process, and troubleshooted incidental issues.

•Administered the Exchange 2007 environment, handled system and network administration, and provided implementation and support for Microsoft Exchange Server 2010.

•Successfully managed Microsoft Exchange 2007/2010 migrations and maintained environments on both production and disaster recovery servers.

•Implemented XoSoft for DAG replication between production and DR servers, and designed and executed a robust disaster recovery plan for organizations with up to 15,000 employees across multiple sites.

•Oversaw day-to-day technical support, network monitoring, and Voice Over IP management.

•Acted as the decision-maker for strategic technology planning firm-wide and collaborated with Market QA for system functionality.

•Held the role of Universal Technical Support Engineer, managing enterprise servers, configuring Cisco network switches, and overseeing various IT functions.

•Provided training on home networking, troubleshooting, and implemented Grand Slam.

•Consistently recognized for technical troubleshooting skills and contributed to the implementation of Tandems.

Systems / Network Administrator, Sunoco, Dallas, TX

May 2006 – Jan 2010

Led the upgrade from Exchange 2003 to Exchange 2007, responsible on the Exchange server topology design and sizing, providing High Availability and Disaster Recovery.

•Managed the migration process, troubleshooting incidental issues during the transition, and meticulously maintained project timelines and documentation for process outcomes.

•Addressed security concerns related to servers, desktops, and peripherals, performing authorized duties for user accounts in Active Directory.

•Installed and maintained Windows OS, diagnosed desktop issues in a Windows environment, and contributed to maintaining system standards on Windows Server 2003 and 2008.

•Repaired and recovered hardware and software failures, refreshed an average of 20 desktops monthly, and utilized ticketing systems such as Altiris and Cherwell.

•Maintained Active Directory infrastructure, created accounts, groups, and GPOs, while troubleshooting and repairing computer-related problems.

•Administered computer installations, operating system configurations, and monitored LAN/WAN network performance using remote connection tools.

•Planned, assembled, and installed computer systems, ensured equipment deployment and training for new hires, and handled escalated customer calls that couldn't be resolved by staff members.

•Installed and configured IT network components, assisted in implementing designed IT network configurations, and provided customer services across different departments, resolving hardware and software technical issues in the system.

Systems Support Engineer, Towers Perrin, Philadelphia, PA

Nov 2004 – May 2006

Responsible for the migration effort of Exchange 2000 to Exchange 2003 for 5,000+ users in North America. Complete with in place data security, authentication, and monitoring parameters.

•Developed datasheets to outline migration paths and establish project milestones.

•Oversaw and managed the migration process, addressing incidental issues that emerged during the transition.

•Created and maintained comprehensive project timelines, along with documentation detailing the process and its outcomes.

•Managed Exchange 2000 in a Cluster environment, including Exchange Database maintenance, backup, and restoration.

•Administered Exchange TrendMicro Scan Mail antivirus and installed Antispam and Antimalware technology on the Email Gateway.

•Planned, deployed, and managed the Exchange 2003 environment, emphasizing High Availability and Disaster Recovery functionality.

•Prepared User Documentation and Admin Documentation for the deployment.

•Conducted training for Help Desk support on new technologies.

•Created Knowledge Base (KB) Articles to facilitate knowledge sharing within the team.

Education:

Bachelor’s degree in business management information systems - Widener University

Certifications:

•Azure Fundamentals (Certification ID: 990687896)

•Microsoft 365 Fundamentals (Certification ID: 990687896)

•CompTIA A+

•CompTIA Network +

•Microsoft Certified Systems Administrator - Windows XP/Windows Server 2003

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