Leander Johnson Email & Phone Number

Houston, TX, US

• Working for (MSP) Managed Service Provider I provide cutting-edge senior IT technical support for infrastructure and users at various corporations. In a Windows 7, 10 and 11 environment.
• I have an in depth understanding of the capabilities of MS 365 andOn-premises.
• I configure, troubleshoot, and maintain ALL admin portals for Exchange, OneDrive, PowerBI, SharePoint, Teams, and any other applications assigned to clients based on subscriptions.
• Understanding of TCP/IP, DHCP, LDAP, DNS, VOIP, VPN’s and Network Security.
• Experience with Identity Access Management (IAM) with MFA.
• Azure InTune - Mobile Device Management (MDM). BitLocker and Defender.

The Woodlands, TX, US

• Member of L3 Application Support team specializing in the Installation, Maintenance, Support, Decommission and documentation of global Manufacturing and Engineering applications. Following application life cycle ITIL.
• Maintained and created new technical procedures outlining how specific applications work, how to correctly install and configure permissions on firewall, azure\active directory group memberships, local group policy.
• Supported Office 365 Suite, Cloud Technologies, SharePoint, Power BI and many other Office 365 productivity applications. Some SCCM management.
• Supporting web applications such as IIS, SAAS,.NET framework, etc. and connecting applications to back-end databases (Ex: SQL, Oracle)
• Participating in Windows 10 readiness project in testing, writing application documentation in preparation for mass migration from Windows 7.
• Provide support for virtual machines, scripts, GPOs and other systems management duties.

• Responsible for providing IMMEDIATE Trade Floor Support services and project management for completion of assigned desktop projects for the global user community in a Windows 7, 10, Office 2010, 2016 and Office 365.
• Provided Office 365 Administration for all Office 365 productivity applications and Azure Administrator.
• Supported various market data applications ICE, LIM, SCADA, Marketview, Bloomberg, Endur, Athena, X-Trader, Reuters, Tibco, and CQG. Voice support for IPC Turrets, Cloud9 Technologies and Cisco phone systems. Mobile.
• Troubleshot scripts to debug issues associated with these applications.
• Provided support in Incident Management processes (Service Now\Remedy) performed against SLA.
• Appropriately test various changes to the application/infrastructure services through the development, testing, staging environment and performing post-production testing to ensure technical changes were correctly.

Florham Park, New Jersey, US

• Identified and solved technical issues with Apple IOS devices using a variety of diagnostic tools.
• Defined, documented, and logged best technical practices.
• Multitasked across systems and applications, resolved technical issues and comfortably navigated across a virtual work environment.
• Demonstrated the ability to prioritize and manage time, as well as the discipline to work independent from team and manager.

Houston, Texas, US

• Worked with global and local IT to provide IMMEDIATE Trade Floor Support for client to complete projects and technology upgrades. Supported over 100 local users. Followed application life cycle ITIL.
• Understood the applications specific to own business unit working with client base to keep applications up to date by monitoring for new releases/versions or alternative software replacements.
• Consulted with users on product requirements and researched available systems that met their needs in Windows 7 and 10 Environment. Administrator of all Office 365 productivity applications and Azure.
• Provided support to corporate-based projects being implemented in own business unit.
• Monitored and utilized service desk system to resolve client issues in a timely manner.
• Provided problem resolution and service request actions for Market Data Application, Electronic Bulletin Boards, Laptops, Desktops, iPhones, iPads and mobility support MDM Administrator.

Houston, TX, US

I work with application owners and Subject Matter Experts to define the correct installation and configuration procedure for software installations. Test applications for Windows 7 compatibility using Microsoft Application Compatibility Toolkit. Create thorough and accurate installation and configuration documents to be used in application packaging.

New York, NY, US

• Responsible for providing IMMEDIATE Trade Floor Support services and project management for completion of assigned desktop projects for the PC user community in a Microsoft Windows NT, 2000, XP, and Windows 7 networked.
• Supported various market data applications: ICE, LIM, SCADA, Marketview, Bloomberg, Endur, Athena, Reuters, and CQG. Voice support for IPC Turrets, Nortel, Avaya and Cisco phone systems.
• Office 365 Administrator also supported all Office 365 productivity applications. Supported all mobile devices as MDM Administrator.
• VPN support and media backup. Performed project management for applications and migrations that was applied to company image. Responsible for maintaining Communications\Server room 24/7 support.
• Conducted Security Reviews for firewall rules. Responded to and resolved all assigned calls within guidelines set by current Desktop SLAs and SLOs. Performed Hardware/Software implementation using SCCM as assigned by.
• Preparation of appropriate technical documentation, surveys, project reports and other written presentations in compliance with established time lines. Provided Desktop build and technical support for Disaster Recovery.

• Provided overall computing, communications, project management and Microsoft Office support for migration from Windows 2000 to XP.
• Responsibilities included imaging (Ghost) laptops and desktops, activating LAN and phone ports. Configured and troubleshot Treo handheld devices, configured and troubleshot Exchange accounts. Exchange server 2003.
• Provided training for Remote Access connectivity (Cisco VPN). Conducted offices moves and performed daily desktop support from hardware to software related problems.

US

• Provided overall project management, desktop, communications and office support to all project services teams.
• Responsibilities included serving as group liaison with GIS (Global Information Services).
• Ensured timely management of all activities assigned.
• Ensured proper management of LAN Access/Internet reviews and data scans.
• Disaster Recovery Planning
• Relieved professionals of routine/technical tasks.

Rotterdam, Zuid-Holland, NL

Responsibilities included 100% phone support of network infrastructure, troubleshooting over 80,000 user’s technical problems, assisting in creating a knowledge base for solutions; maintaining user satisfaction with the quality and timeliness of help desk operations; meeting service level agreements; providing basic training on office productivity.