Sign in

Active Directory Manager

Chicago, Illinois, United States
December 27, 2017

Contact this candidate


Tom Van Harn


I desire to join the dynamic and versatile team that advances the adoption of the software defined datacenter with virtualization, hybrid cloud and automation solutions and services. I wish to contribute to a team that requires the advanced traits of a Senior Architect, a proven IT Technology leader and manager who has diverse experience in understanding how to identify, quantify, design and deliver against business challenges from concept to deployed solution within an Enterprise organization. All the while maintaining a view of the broader implications and further understanding the ongoing support and operational impacts. My objective is to utilize my vast and varied expertise to address opportunities and challenges in a rewarding atmosphere to plan and execute deployment with the ultimate goal of value realization for the customer.

Functional Summary

25+ years of internal and external Enterprise IT consultative management and selling. Start-up and multi-tenant private cloud experience. An evangelist for game-changing technology focused on solving business problems and maximizing profits through IT solutions. Outstanding presentation and communication skills and trusted advisor with the ability to motivate teams to highest levels of achievement.

Healthcare Information Systems experience at a progressive institution recognized for its technological capabilities, financial strength, and clinical excellence. Understanding of the unique challenges in Healthcare in regards to security, compliance, funding, Meaningful Use Stage 6 and EMRAM,

Integration of individual hospitals and organizations into a single health system.

Formed computer security incident response team (CSIRT) to specifically address and protect ePHI, meeting HIPAA and PCI compliance standards as well as formal response plan for ransomware or other data breach.

Promote adoption of the dynamic hybrid cloud consisting directly of: Infrastructure as a Service, Platform as a Service, automation and related support and management services including integrated 3rd party solutions. Maintained working knowledge of Software as a Service and Business Process as a Service to have “big picture” strategy discussion.

Advanced technical knowledge of IBM SoftLayer and Cloud Managed Services IaaS offerings, pattern orchestration products, and all available managed services. Including a working knowledge of the competitive marketplace of MS Azure, Amazon, Rackspace and VMware.

Evangelist for Virtualization adoption within an organization. Full VMware vCloud Suite of products including vSphere, Site Recovery Manager, vCenter Operations Enterprise, and Networking and Security. I possess the unique experience of Managing multiple vCenters, 300+ hosts and 3500+ virtual machines in a global implementation at an Enterprise Account. Additional skills in Enterprise Storage, DB2, SQL, Oracle, SAP HANA, IBM Lotus Notes, Microsoft Exchange, Cisco UCS, Converged Architecture, and Active Directory.

VMware Horizon View global VDI implementation; 3,000+ virtual desktops hosted in 5 countries, ThinApp application delivery and persona management. Institute desktop management strategic direction. Research, set, and communicate corporate standards for hardware and software, including server hardware and configuration, OS, network client, and productivity software.

Extensive experience in professional services engagements and enterprise license agreements end-to-end; from strategy development, statement of work, legal agreement and fulfillment.

Ability to articulate ROI and TCO. Capex savings in hardware consolidation. Opex saving in service uptime, with elastic capacity, quickly expanding and reallocating resources to meet demands. Strong understanding of the service delivery lifecycle models.

Advanced virtualization adoption of top-tier business critical applications and demanding workloads, including SQL and Oracle. Designing for maximum performance and availability, realizing cost savings thru license consolidation.

Participant in pre-Beta and Beta evaluator programs. Member of VMware Customer Council for customer input and development of product futures.

Advancing user self-service provisioning of private cloud resources. Research and analysis of public and hybrid cloud services to set future strategy for adoption.

Enterprise storage design and administration. Development of Flash and SSD strategies along with traditional storage tiering, thin provisioning and storage virtualization strategies. Routine maintenance, performance monitoring and troubleshooting of EMC Arrays and Cisco SAN fabrics.

Project Manager and Technical lead in global Active Directory design, planning, implementation and migration. Manage project scope, objectives, deliverables and project plan for 20k user migration.

Maintain Windows based servers for a global enterprise consisting of 3500+ servers. System performance, capacity and event monitoring tools setup and support. Establish equipment life cycle management plan for HP rack and bladeservers, Cisco UCS, and IBM servers and related equipment.

Disaster recovery and high availability solutions for Windows and Linux servers.

Proven performance in meeting or exceeding budget expectations and annual objectives. Contracts maintenance and renewal.

Experience in hiring and managing staff resources and professional development. Trainer for new-hires, mentor for internship programs.


Employment (continued)

Feb 2016-Present – Cayuga Medical Center Ithaca, NY

Director, Infrastructure and Support Services

Lead the technology direction for the enterprise. Overall responsibility for managing network and systems infrastructure planning and deployment. Provide architecture vision, enable innovation and understand the technology trends that can create business value

Define service delivery measures to fulfill customer satisfaction requirements. Ensure network operations center performance, reliability, and data security.

Align PACS solutions and service delivery for imaging and radiology.

Evaluate security trends, evolving threats, risks and vulnerabilities and apply tools to mitigate risk as necessary.

Manage the relationships with key vendors of software, hardware, network and consulting services.

Security vulnerability assessment and remediation, leader of the CSIRT team.

May 2014-Dec 2015 – IBM Midwest Territory - Chicago, IL

Cloud Services Executive

Identify opportunities to align cloud solutions with client strategic initiatives and solve business challenges in named enterprise and large industry accounts.

Promote adoption of IBM Hybrid Cloud Service portfolio consisting directly of: IaaS, PaaS and related support services. Maintained working knowledge of Software as a Service and Business Process as a Service to have broader cloud strategy discussion with clients.

Gather business drivers, security and availability requirements to complete initial solution design and solution validation, engaging subject matter experts where necessary.

Coordinate across IBM teams to present value proposition, proposal, and delivery thru contract negotiation and signature.

Partner with other divisions within IBM to bring cohesive solution from software and other IBM brands.

Cloud Business Development

Evangelizing hybrid cloud solutions across all brand areas (IaaS, Paas, SaaS, BPaaS).

Educate client teams on cloud products and how and where clients can benefit from cloud solutions.

Qualify sales opportunities and transfer it to specific brand seller to complete.

Support all IBM sales teams as needed for deal progression.

October 2004-May 2014 – Amway Ada, MI

Principal Systems Support Specialist – Virtualization Technology Services team

Design and Implement VMWare vCloud Suite, full suite of features and solutions. Responsible for performance and availability including compute and storage resources.

Establish Global Enterprise agreement and periodic renewals. Responsible for all licensing globally.

Architect and performance management of EMC storage, SQL, Oracle, IBM Lotus Notes, Microsoft Exchange, Cisco UCS, Converged Architectures.

VMware vRealize Operations for monitoring and capacity planning.

Design, project planning, and Global implementation of Microsoft Active Directory, migrating existing Active Directory Forests, Novell NDS, and NT 4 Domains to a single Global domain.

Travel and remote support of Active Directory migrations in: 23 US States, Canada, Mexico, 27 European countries, Russia, 4 countries in southeast Asia, China, India, and Australia.

Design and maintain all aspects of Active Directory; Schema, Sites and Services, Domains, Replication, Trusts, DNS, WINS, DHCP, Role delegation, and Group Policies.

Design and setup security delegation to local and regional support administration teams.

Develop and mentor other team members.

Senior Systems Support Specialist – Windows Server Support team

Disaster recovery project team member. Selected VMware Site Recovery Manager for and VMware as strategic solution for hosting all Windows protected systems. Assisted with mapping dependant systems to be tiered and included in recovery groups. Implemented Quest Recovery Manager for Active Directory protection.

Designed and implemented “flagship” VDI with VMware View desktop virtualization for 300+ user off-shore finance processing center, realizing data protection goals and lower TCO. Participated in published VMware Customer reference case.

Enterprise storage design, specification, installation, support and maintenance using EMC and Cisco platforms. Responsible for Windows and VMware host connectivity and provisioning, capacity, performance and troubleshooting. Daily administration of VMAX, VNX, CX, NS series arrays.

June 1999-October 2004 – Haworth Office Furniture Holland, MI

Microsoft Architecture Manager

Manager of the Intel Server, Email, and Directory Services teams. Responsible for team operations, projects, upgrades, research and development activities.

Prioritize all team activities as well as establishing short and long term strategic direction.

Budget planning and management including capital purchases, operational expenses, and contract management.

Routine presentations to IS management for project updates, cost justification, team activities, chronic problem reporting/escalation, etc.

Project Manager for migration of 6000 users from Novell to Microsoft platforms, including directory services (NDS to AD), email (Groupwise to Exchange), file and print, client management, DNS, and client OS refresh.

Computer Systems Engineer IV – Intel Server Team

Implement, upgrade and maintain Compaq servers with Netware, Windows NT and Windows 2000 OS’s. Over 250 servers across more than 50 sites globally.

Computer Systems Engineer IV – Client Engineering

Review new technology and evaluate for potential business use. Set corporate hardware and software standards, document and communicate to regional support teams. Project leader for large deployments that cross multiple regional support teams.

Computer Systems Engineer III – Client Engineering

Implement Novell ZenWorks at 20 locations in North America, affecting approximately 6,000 users, and delivering over 80 different applications via Application Launcher. Engineer “Push” installation of desktop OS Y2K updates. Create and manage User and Workstation Policies. 3rd level support.

1995-1999 Sara Lee Foods & Hewlett-Packard Zeeland, MI

Network Administrator

Perform daily administrative and support tasks for Novell and Microsoft services and HP server and networking configuration and management. Email system maintenance and user support. Y2K compliance verification of hardware, software and data.

Support Technician

Contracted full-time onsite engineer for Hewlett-Packard at Bil Mar Foods division of Sara Lee. Configuration and support of end-users devices, connectivity and software applications. Order and replace parts per maintenance contracts and warranties. Organize lifecycle replacement and software/hardware upgrade projects.

1989 – 1995 CompRenew Corp/Crucial Computerworks Belmont, MI

Vice President of Crucial Computerworks

Leader in the start-up & development of Crucial Computerworks, branding a system service and maintenance company, from concept to implementation. Responsible for developing marketing strategy, operational readiness and quality assurance.

Repair/Parts Sales Team Leader

Develop Start-Up strategy for Parts Sales and Repair Departments to enhance service catalogue to customers, advance income and profitability. Troubleshoot, repair and upgrade various types of computer equipment. Organize reference library for inventory tracking, research, and problem knowledgebase. Establish vendor/distributer relationship for parts and equipment on both new and used markets. Developed board level repair capability of CAD/CAM equipment. Expanded capacity to repair PC‘s and monitors. International brokerage experience with China and UK.

Storage Team Leader

Responsible for organization, environment protection, and secure storage and tracking of millions of dollars of assets in parts and equipment.

Served on Total Quality Management team responsible for analyzing and streamlining company processes and procedures to enhance quality and efficiency.

Education/ Certification


IBM Global Sales School

IBM Cloud Sales Academy

VMware VCP4-DCV, VCP5-DCV, and VCP5-DT

EMC Cloud Infrastructure and Services Associate (EMCCIS)

Microsoft Windows 2000 MCP

Novell NetWare 4.11 CNA

Grand Valley State University

Education classes

VMware vSphere 4.0 FastTrack

VMware View, Manage for Security

VMware Manage for Performance

EMC Clariion Manage for Performance

EMC Virtualized Data Center and Cloud Infrastructure Planning and Design

EMC Cloud Infrastructure and Services

Nutanix Technical Training

Microsoft Powershell

Microsoft Windows Server 2000, 2003, 2008

Microsoft Group Policy Administration and Troubleshooting

Microsoft Active Directory

Microsoft Exchange 2000

Citrix Metaframe XPe

Gartner Institute Project Management

Situational Leadership II

Six Sigma Yellow Belt


Continuous Improvement Award from Comprenew Corp

Multiple Peer-to-Peer awards


Amateur hockey instructor & assistant coach – East GRAHA

Advisory Board member – TST Boces Community Education

Foreign exchange student host family – CET USA

Metro Health Foundation member

Contact this candidate