Sr. Systems Engineer

Lamar Tonsul

Houston, TX ***** *******@*****.***

281-***-**** linkedin.com/in/lamartonsul

SENIOR SYSTEMS ENGINEER

Experienced and well-rounded IT professional with background in system engineer and system security Summary of Qualification and Information Technology experience with current expertise in enterprise domain services and virtualization. Specialize in troubleshooting, installing, and monitoring on Windows platforms and server solutions. Work well in large groups that are diverse, face to face, or over electronic communication to complete projects. Dependable, analytical and self-starter highly successfully in fast-paced, hectic business environment. Adept in taking lead on multiple projects and coordinating accordingly to complete each one.

KEY SKILLS

Airwatch Apple Products Jamf Microsoft Intune WorkspaceOne Autopilot m365 Presales Enterprise Solution Design Request for Proposal RFP Sales Engineering Technical Presentations VMware vSphere Customer Service Inventory Management Project Management Technical Support Process Scheduler Multi-unit HDI Support Center Analyst Numara Footprints System Administration

Altiris Deployment Console Desktop Imaging Active Directory Microsoft Exchange Microsoft Servers

PROFESSIONAL EXPERIENCE

PC CONNECTION, INC., Remote April 2015 – March 2025

Sr. Systems Engineer

Interfaced with multiple customer and organizational groups to deliver high-end solutions. Provided technical training and knowledge transfer of subject matter to large groups and individuals. Troubleshot complex environments and delivered custom documentation. Worked with VMware virtualization products. Support for industry verticals ranging in size 50 to 100,000 end users.

Lead discovery sessions, technical workshops, and assessments to evaluate current environments and identify opportunities for modernization. Lead the development of SOWs, working closely with cross-functional teams to ensure alignment with client needs and business objectives.

•Microsoft Systems & Services Management: Manage, maintain, and monitor core Microsoft systems and services, including Microsoft 365, Intune, SCCM, and Azure AD environments.

•Intune Management: Configure and manage Intune for device management, application management, and security policies. Monitor deployments, troubleshoot issues, and ensure compliance with organizational policies. Manage mobile device management (MDM) and mobile application management (MAM) solutions.

•Azure AD Administration: Administer Azure Active Directory (AD) services, including user and group management, role-based access control, and integration with on-premises AD. Implement and manage Azure AD Conditional Access policies. Ensure secure authentication and authorization mechanisms using Azure AD.

•Security & Compliance: Ensure compliance with security policies and regulatory requirements. Implement and manage Multi-Factor Authentication (MFA) and Single Sign-On (SSO) solutions. Conduct regular security audits and vulnerability assessments to maintain a secure environment.

•Desktop & Operating Systems Support: Responsible for managing Windows desktop operating systems and supporting technologies. Utilize Intune for patching and hotfixes deployment. Provide support for software deployments and scripting within the desktop environment.

•Documentation & Processes: Maintain detailed documentation of all desktop infrastructure components, configurations, and processes. Continuously review and revise policies and procedures to ensure efficiency and compliance.

•Technical Support & Troubleshooting: Provide technical support for Intune, Azure AD, and desktop-related issues. Troubleshoot complex problems and collaborate with IT teams to resolve issues quickly. Answer on-call support outside normal business hours when necessary.

•Continuous Improvement: Stay up to date with the latest Microsoft technologies, including new features in Intune, Azure AD, and other related tools. Propose and implement improvements to enhance the efficiency and security of the digital workplace environment.

•Training & Knowledge Sharing: Conduct training sessions for internal IT teams on new features and best practices related to Microsoft Intune, Azure AD, SCCM, and other relevant technologies.

•Create comprehensive technical proposals, including solution architecture, implementation roadmaps.

•Design endpoint management strategies covering Mobile Device Management MDM, Mobile Application Management MAM, compliance, and security policies.

•Design endpoint management strategies for multiple MDMs Microsoft Intune, Jamf, and WorkspaceOne UEM.

•Function as a trusted advisor for clients, building strong relationships with stakeholders and decision-makers.

•Engage with Connection sales teams, including front line sellers and customer success managers, to ensure a unified approach to service delivery and client engagement.

•Mentor and support sales teams in understanding the technical value of MDM services.

•Provide thought leadership and guidance to clients and Connection teams on best practices, trends, and innovations in technology.

•Analyze customer requirements and design solutions that meet their business objectives and budget constraints with a consultative approach.

•Develop SOWs and driving revenue growth in professional services.

•Designed and implemented virtual desktop deployments with VMware vCenter, Horizon View, and vRealize Operations Manager.

•Participated in several large-scale desktop deployments with healthcare and financial customers.

•Deployed VMware ThinApp applications, App Volumes application delivery, UEM personalization policy as well as high-end graphics with NVIDIA GRID.

•Designed and implemented VMware vSAN with vCenter and Horizon View in a hyperconverged infrastructure.

•Performed VMware vSphere upgrades as well as desktop upgrades and side by side deployments.

•Implemented on-site Proof of Concept deployments for VMware Horizon View.

•Performed physical to virtual conversions P2V with VMware Converter.

•Designed and implemented VMware vCenter with Site Recovery Manager with both SAN and Host based replication with failover testing.

•Designed and implemented Cisco UCS and B and C series systems with Fabric Interconnects and UCS Manager.

SWBC, San Antonio, TX November 2013 – April 2015

Infrastructure Systems Analyst

Subject-matter expert in VMware virtualization and systems architecture providing design and implementation of VMware vSphere and VMware Horizon View utilizing HP Blade Center, Cisco UCS Blade System, Dell Blade System, EMC VNX SAN, and Dell Equallogic SAN. Architected the company’s first VMware Horizon View desktop infrastructure consisting of 2500 desktops servicing the USA and India.

•Redesigned and stabilized the company’s VMware infrastructure upon hire to increase uptime to 99.999%.

•Migrated ESXi hosts from VSS to VDS and implemented 10 Gb Qlogic CNA cards while implementing network DRS, stabilizing vMotion and improving VM connectivity.

•Designed and implemented VMware SRM between company’s two sites while providing guidance to the company’s network team to implement the required infrastructure.

•Created and documented processes for the Systems and Help Desk Teams.

•Planned and executed windows domain migrations for acquired companies.

•Administered Active Directory services such as DNS, DHCP, GPO, DFS and DFS Replication in a mixed windows environment with servers from 2003 to 2012.

•Deployed and administered a VMware 5.5 cluster environment on a variety of hardware ranging from HP Blades to Cisco UCS Rack Mount Servers.

•Maintained and monitored performance of the storage area network to ensure the stability and integrity of the data.

•Provided technical training when needed and mentored junior members of the Systems team.

•Planned and implemented the deployment, upgrade or replacement of crucial applications for the company.

•Worked on a team that migrated the companies Endpoint Protection to a Trend Micro Enterprise Protection, Suite includes Deep Security for VMWARE, Officescan and DLP solutions.

SWBC, San Antonio, TX March 2013 – September 2013

PC Technician III

Analyzed technology problems related to hardware, software and peripherals; resolved technical malfunctions efficiently and expediently according to service level agreements established in the Help Desk System. Performed new PC setup, configuration and installation; rebuilding and upgrading existing hardware and peripherals, including software upgrades. Provided Help Desk technical support by receiving calls and/or assisting users remotely via telephone or by using remote access tools.

•Troubleshot network connectivity issues at the desktop and for attached peripherals; escalated unresolved connection problems to the Network Administration team.

•Coordinated with third party software vendors in support of non-standard software package installations, troubleshooting, upgrades, support and maintenance.

•Oversaw work of PC Technicians for the installation, maintenance and problem resolution of personal computer hardware, software and operating system components.

•Maintained and secured hardware component inventories, software licensing and overall cleanliness and organization of the PC Bench Room.

ADDITIONAL RELEVANT EXPERIENCE

CENTRAL PIEDMONT COMMUNITY COLLEGE, Charlotte, NC

ITS-Client Services Analyst II

CREATIVE CATERING, Charlotte, NC

Event Specialist, IT Director

BISTRO LA BON, Charlotte, NC

General Manager

FRIENDLY COMPUTERS, Charlotte, NC

Mobile Field Technician

CONVERGYS, Charlotte, NC

Customer Contact Agent

THE HOME DEPOT

Front End Supervisor

RUBY TUESDAY, Union, NJ

FOH Manager

BEST BUY, Union, NJ

Geek Squad Agent, Administrative Senior

EDUCATION

Attended University of North Carolina at Charlotte

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