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Active Directory Engineer

Sarnia, Ontario, Canada
November 06, 2018

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David Mootrey - CNSS

Cell: 250-***-****


Qualification Highlights

Degree in Computer Science (Computer Network Support Specialist)

Over 25 years of diverse experiences in networking operating systems and heterogeneous Infrastructures, topologies; network and user support, troubleshooting and software analysis

Windows migrations

Domain server migrations

Active directory Architect designs and implementations

Strong back ground in Unix operating systems including Linux, Microsoft server, SQL, IIS, Novel Netware

Exchange Email server migrations

Aws and Azure technologies

Extensive experience in network architecture including DHCP, VPN, RAS, WINS, DNS, WAN, LAN, TCP/IP, WLAN, LDAP, FTP, SSL, PPTP

Proficient with SAN technology such as Netapps, Juniper networks, Dell, HP, EMC

Experience in Netmeeting and Video conferencing, Citrix, Dameware, Cisco VOIP,

Free PBX, Nortel BCM, Cloudware soft BX, VMware, KVM; Mac systems, Siemens PBX, VOX VOIP, UNIX and Novel; expert in disaster recovery

Extensive experience in Disaster recovery, Backups, and Fault tolerant systems

Style and Attributes

Intuitive and analytical thinker

Action oriented, adaptable

Process management

Interpersonal savvy

Good listening skills

Decision Quality


Highly collaborative


Senior Technical Support Engineer with a keen eye for innovative solutions; high capacity to quickly learn and synthesize new networking technologies.

Analyzes current situations; assesses strengths and weaknesses; provides best options based on budgets, timelines, organizational future growth, employee forecast, etc.

Has studied the art real world hacking and solutions to prevent intrusion.

Detailed on many back-end operations including email, virus, and disaster recovery, print services

Specialist in Windows Server Migrations with Active Directory

Professional Experience

Highfield enterprises

Sarnia, Ontario Canada

Jan 2018 \ Aug 2018

Senior Engineer \ Consultant Contract \ implementation Design\ Active Directory Architect

Hired to design a new block chain server system for data mining of Alt Bitcoins

Setup and installation of workstations for data mining via GPU and CPU Windows and Linux OS “windows 10. Red hat and Ubuntu

Installation and configurations ASIC Miners for coins

Office 365 installation and configuration and daily administration

AWS servers Cent OS Block chain server

AWS servers Ubuntu OS Block chain server

AWS for Apps server Sharing of digital wallets

Azure servers setup for population of shared coins via open markets

Setup of Netopia firewall and VPN

Daily administration of all servers within the ownership.

Implementation of Forest structure. As part of AD security initiative, designed and implemented MS Local Administrator Password Solutions globally; restructured MS DNS naming system, migrating zone of multiple domains into AD LDS partitions, streamlined the company reverse lookup zones globally, also leveraging AD LDS partitions and being automated using PowerShell scripts; provide Level 3 multi-forest Active Directory support. OU restructure and AD DEV environment build. As part of the company Office 365 initiative, designed and implemented hybrid identity management with Azure AD connect; customized Azure AD connect to accommodate the company’s multi-forest on-premises Active Directory and the ongoing consolidations among the forests; Federated Azure applications and services access with AD FS; major participant of designing an ADFS farm for external collaborations as well as for Office 365 integration.Domain migration 2012 R2 to windows 2016 Data Center PDC and BDC, DHCP, DNS, Active directory Consolidation and redesign

New Value Solutions Group Inc.

Lougheed Highway Burnaby BC

Senior Systems Engineer \ Active Directory Architect\ Consultant Contract

Dec 2016 \ Dec 2017

Hired to clean up a failing Active Directory Domain

Domain migration 2012 R2 to windows 2016 Data Center PDC and BDC, DHCP, DNS, GPO Active directory Consolidation and redesign

Server 2016 Print services with GPO

AWS servers Cent OS Block chain server

AWS servers Ubuntu OS Block chain server

AWS for Apps server

Microsoft azure servers for Domain migrations

SFTP FTPS servers and configurations

Hyper V windows server 2016 Data Center and Standard, Migrations from server 2008 and server 2012R2

Office 365 implementation and administration

Veeam Backup solutions for HyperV

Installations of Windows servers 2003, 2008-R2 and 2012

Cleaned up User errors within the AD schema and Forest

Trouble shooting errors with in the Domain

Trouble shooting HyperV installations within the Domain

Trouble shooting of SQL 2008, 2014 servers for errors and permissions and backups

Installations of IIS for SQL failover,

System migrations from Hardware to Virtual

SQL Data migrations from Hardware to Virtual

Microsoft SQL 2014, 2016 installations and configurations

Implementation and design of HyperV networks

Configurations for IIS webserver for failover clustering

Daily maintenance of DNS, DHCP, User accounts, Permissions and Backups

Installation and configurations of network cabling and new installations of devices Front end and Back end

Installation configurations of FTPS and Sftp

Installation of new Dell Windows 2016 servers

Installation and configurations for Dell San storage with Windows 2016 Data Center

Troubleshooting all daily server and desktop administration

Network monitor tools and Sniffer tools, Network diagrams with Microsoft Visio

Cleaned up Policy issues with in the Domain reworking and redesigning OU containers

Installations and configurations of Dell servers RAID levels installed.

Dell Servers reconditioned and brought back on line for Backup Servers

Installations and configurations of Network Switches and Firewalls

Installations and configurations of HP Servers.

Installations of Veeam software for Backups of all VM servers

Implementation and design of NT Backup for SAN

Implementation and design of Veeam Backup San storage

Daily administration of all SAN storage devices for Backups, Snapshots and File storage.

File recovery and disaster recovery implemented and installed.

Daily monitoring of all server functions and network connectivity.

Documentation of all servers and network setups and configurations

Network diagrams drawn in Visio for ease of administration

Daily administration work for Desktop support and all Related systems, Internet and VOIP.

Led several Active Directory initiatives; streamlined the company AD CS based PKI; conducted POC of Office 365 tenant and synchronization with on-premises AD; set up Office 365 access with AD FS and DirSync; played a central role in AD integrations/migrations of several acquisitions; designed the entire Active Directory migration with the consideration of the interactions with messaging and user environment migrations; effectively managed the migration tool vendor, Dell/Quest. Lead the efforts of restructuring and remediation of Active Directory forest physical topology, designed Karlour© Network Performance Indicator (KNPI©) to gauge domain controller performance when AD physical structure is changed; effectively reduced the footprint of AD physical structure. Designed the entire process of an OpCo divestiture, covering OpCo separate AD architecture, build specifications, detailed migration, risk management, seamless handoff and detailed cost analysis from technical perspective, consolidate and streamline Op Co collaborations, design solutions of domain controller isolation with SRV record manipulation, for DR and secure decommission of domain controllers; Active Directory DFL/FFL upgrade from Level 2 to Level 4 and then 5, design the strategy of deployment and that of password replication; investigate and design solutions with current features of Active Directory, such as FGPP, AD Recyclebin, Managed Service Account, DC deployment on Server Core and Group Policy Preference

Supergeek Computers

Richmond BC, contract

Senior Systems Engineer \ Active Directory Architect

April 2016\ Oct 2017

Installed and configured Windows Server 2016, Windows Server 2013, Windows Server 2008 along with DNS, Wins, DHCP, LDAP, AD

Implementation and design of windows domain Servers

Installed and configured Windows 7, 8 and now Windows 10

Custom Server builds and custom desktop builds

Installation and configurations of network cabling and new installations of devices Front end and Back end

Network monitor tools and Sniffer tools, Network diagrams with Microsoft Visio

Installed and configure Sophos security devices along with Fortinet firewalls

Services calls via remote or onsite

Installed and configured VMware virtual servers. Multi-platform

Implementation and design VMware servers

Daily scheduling of tech appointments, patch updates, service updates and notices, weekly reports, weekly meetings and day to day operations

Daily backups and service call monitoring of all tech room activities

Morning tech room meetings for the prior day’s events

End of day roll out of cleanups and readiness for the next day’s events

Installation of domain controllers and backup domain controllers, print server, backup servers, file servers etc.

Installation and configuration for disaster recovery and backup data servers

Installation and configuration of Active directory, user groups, OU, permissions and security

Daily monitoring and management of Educational servers, Medical servers, Law servers

Installation of Wolf, TELUS.EMR medical systems. Printer’s desktops servers etc.

Installation configuration for email systems including Microsoft exchange server and other web based email servers.

Installation configuration for Zendesk A OS ticketing system for the end-user to get support

Installation configuration for Zonedit DNS

Exchange Email Server Migration 8.3 to 14.1

Dealing one on one with Medical DR, Lawyers, Teachers, Managers and end users

consolidate all CS legacy AD forests into a single Windows 2008 R2 based Active Directory forest, seating on both sides of the firewall separating.Designed the entire group and user provisioning system, among Windows 2008 R2 based Active directory, a highly customizable EmpowerID provisioning system, MyAccess/Tivoli Identity Manager and an in-house developed global request workflow system; designed the complete automation logic, interfaces among systems and the approval/decision flow.

Validated CS User Acceptance Testing environment of new AD active directory, according to comprehensive business requirements and system standards developed over the years, laying the foundation for the identical production deployment. Worked with in-house Active Directory operation team to address issues unearthed with the validation and engineering team to make amendments to the design.

Design a new delegation model with in-house engineers for the new Active Directory; following MS best practice, the model consists of roles in the areas of system admin, data admin, security admin and support operator; the model is future proof in that it is not reliant on built-in groups, such as server operator, administrators, etc.

Designed the strategies for cross forest migration of user objects under the unique constraints imposed by CS legacy forests, namely, the token bloat threat complicated by the sheer number of applications in five domains and two forests; the migration strategy will ensure zero or minimum impact on business continuity and end users

High level design of a distributed global SCOM 2007 system, which is highly scalable and redundant to address single point of failure, and fault-tolerant with DR fully replicated database and master server.

Pro-Touch Computer Clean

Corunna ON 1996- 2015

Systems Engineer/ Active Directory Architect / Consultant / Owner

Sampling of Industries in Canada and the United States: Telecom, Pharmaceutical, Automotive, Financial, Food, Law, etc.

Installed and configured Windows Server 2003, Windows Server 2008, Windows Server 2013 along with SQL Standard Edition

Installed and configured Windows XP, 2000, Windows 7, 8 and now Windows 10

Built over 2000 Desktops, laptops, and servers "Compaq, Dell, HP, Toshiba, IBM, SunMicro" Installed and configured Citrix for remote users "web based and telecommuting", Disaster recovery front to back via networks and local,

Microsoft Windows Proxy Server, Internet Information Server, SQL7, Exchange server 5.5, Network monitor tools and Sniffer tools such as NetXray and Sniffer Pro,

Installed and configure winterms for Canada Customs and Excise

Exchange Email Server Migration 5.5 to 8.2

Backup Exec for Novell 5.0 and 5.1, printers for Novell 4.11 and NDS aware printers for Novell 5x, ColdFusion Servers and Workstations,

Microsoft Terminal Server for the use of Wise win terms and Citrix, WINS, DHCP & DNS Servers Unix and NT, DAT, Autoloaders Backup Exec, and Veratis, NT Exec.,

PCAnywhere software, Citrix and net meeting for windows 2000 along with Dame Ware and RemoteAdmin "remote connection", Lotus Notes, Lotus Suite.

Security utilizing Checkpoint Firewall1, Access control, Content Security, Installed Windows 2000 Server and Advanced Server

Over 2000 users in a single Master Domain Model with Active directory" Developed total systems front to back utilizing Microsoft Windows Visio 2000 Technical and Enterprise edition

Windows 2000 rollout from NT 4.0 3000 users Novell 4.11 to Windows 2000 AD UNIX to Windows 2000 AD Novell 4.1 conversion to Windows 2000 Advanced server with AD

Monitoring hosted applications via WebTrends alerting and monitoring Trouble shooting Network problems utilizing probes and commands, and user accounts and permissions

NAT, User Authentication and VPN1 (installed on Microsoft Windows NT) Servers 4.0 with Microsoft Windows Information Server 4 web servers

Assisted MCT's with the training of Windows NT Server and Workstation

Installing networking cables, routers, hubs, switches.

Installed Norton Ghost servers

WHMIS and safety trained for the chemical plants


Sarnia, Ontario - 2008 – 2012

Senior Systems analyst \ Infrastructure Systems Engineer\ Active Directory architect

Completed installation and configuration of, DNS, WINS, DHCP, and LDAP.

Installed and configured Dell servers, Dell storage arrays along with Dell RAID systems.

Installed and configured Microsoft SQL server to run with E-cart downloadable system.

Backup EXC., Trend Micro anti-Virus, Citrix for remote users "web based and telecommuting.

Disaster recovery front to back via networks and local, Microsoft Windows Proxy Server, FTP

Cisco 2800 routers and checkpoint firewalls Daily installation of patches and hot fixes for a live environment

Provided base level IT support to non-technical personnel within the business.

Resolved customer issues in a clear, courteous and straightforward manner.

Identified and solved technical issues with a variety of diagnostic tools.

Remained up-to-date on the latest technologies and solutions applicable to company products.

Engaged users and answered questions on website and in forums.

Compiled and accurately entered electronic data.

Greenfield Energy Center Systems Engineer\ Active Directory Architect

Courtright, Ontario - Jun 2008 - Oct 2008

Implantation and design of a new system build Installed and configured Dell Servers and hard drive arrays for data backup and recovery,

Windows 2000 advanced server, RAS and Contivity VPN, IIS 5 for Web service access, SQL2000 for .Net, .Net frame work, Windows 2000 professional on laptops and desktops,

Installed new and updated application components to all hosted applications

Installed Windows XP professional on laptops and desktops Administration of Active directory "adding users and permissions and security"

Administration of Microsoft Exchange server 2000 "corporate E-mail ", a Netapps Filler SAN for user security and permissions, Citrix Servers "windows 2000 server.

Troubleshooting users and permissions", IIS 5 Web server, and Print Servers NT 4.0 and Windows 2000 Advanced Server Administration and configurations of Global catalog server and backup Domain controllers,

Web trends for internet, and of WINS, DNS, DHCP Servers Installation and Managing patches and security related issues, SSL certificates and registration Monitoring

Hosted applications via Web Trends alerting and monitoring Troubleshooting: 3com stackable switches and 3com "core fiber switches"


Southfield MI - Feb 2 2003 – Mar 18 2008

Systems analyst \ Infrastructure Systems Administrator

Drove on average from 500 to 1,000 miles per week to client sites with own vehicle

Supplied Tier 1 to Tier 3 Advanced Technical support 24/7 Project Manager for several accounts Active Directory Performed Performance troubleshooting and analysis General Network maintenance and troubleshooting

Installed and configured Small Business Server 2000

DHCP, DNS, WINS, Exchange Server 2000, DHCP, WINS, DNS, Backup EXC for Windows NT4.0 and Windows 2000 Server, SQL 2000, Active Directory for Windows 2000, Print Server devices, Server Hardware

RAID levels for Fault Tolerance and Disaster Recovery, Disaster Recovery Solutions for Win2k, SBS, NT 4.0, Client based Applications, Norton Enterprise Virus Servers,

Cisco VPN, Trouble shooting of Dell, Compaq, HP, Server Hardware, Windows 2000 Advanced Server, Windows Small Business Server

Back office Server 4.5 "Proxy, Exchange, SQL, IIS", Checkpoint Firewalls on Nokia network appliances

SQL 7 "Backups, Connectivity, Service packs, print servers

Installation and configurations of new and updated application,

print servers Installation and configurations of new and updated application, users not having access to the network, user rights and permissions, Connectivity problems with

DSL, T1's, ISDN lines, Norton Enterprise Virus Servers

Cisco Pix 515 Firewall, Cisco Routers, Switches, Dell Switches along with others,

Terminal Services for Windows 2000 Server, Administration of Print Servers NT 4.0 and Windows 2000 Server Components to all hosted applications Supplied tech support for co-workers and clients over land lines and internet based medium

Installation of Network Patch cables, Switches, Routers, Hubs Network design and layout for a single Point to Point Domain with Active directory, and for a single Windows Small Business Server Domain.

Siemens VDO/SY Technologies

Dearborn, MI March 2002 - April 03\03

Installed IIS 5 for Web service access, SQL2000 for .Net, .Net frame work,

Windows 2000 professional on laptops and desktops, Windows XP professional on laptops and desktops, Windows NT 4.0 workstation on laptops and desktops

Siemens PBX phone systems wiring and phones

Installed and configured SAP, terminal emulation software for UNIX, RAS and Contivity VPN,

Assisted consultants and mentored consultants on the new Windows 2000 domain structure Administration of Active directory

Installed and configured Microsoft Exchange server 2000 "corporate E-mail",

IIS 5 Web server, of Citrix Servers "windows 2000 server" "Troubleshooting users and permissions", and of Print Servers NT 4.0 and Windows 2000 Advanced Server Exchange server migration with NetIQ.

5.5 to 2000 Administration and configurations of Global catalog server and backup Domain controllers, Web trends for internet, WINS, DNS, DHCP Servers,

Administration and configuration of Netapps Filler SAN for user security and permissions Installation

Managing patches and security related issues, SSL certificates and registration Monitoring hosted applications via Web Trends alerting and monitoring

Troubleshooting 3com stackable switches and 3com "core fiber switches", SAP printing problems and network access

Installed, configured and maintained a Ghost multicasting Server for all Windows based Clients Mentoring on Windows NT 4.0, Trouble shooting and configurations.

IT Resources and Consulting

Haddonfield NJ - June 2001 - Jan 2002

Installed and configured Novell 5.0 and 5.1,

Microsoft Windows NT Server, Backup Exec for Novell 5.0 and 5.1

Installed and configured ARCserve Backup Disaster Recovery for Novell 5.0,

Fault Tolerance for Disaster Recovery "stripe set with parity for Novell 5.0,

Licensing for Novell, printers for Novell 4.11 and NDS aware printers for Novell

Troubleshooting UNIX servers for hardware disk errors and logon errors and no access to the network

Installed and configured BrightStor Backup Disaster Recovery software Novell 4.11, Free BSD Unix for hardware and software Issues

Installed and configured Microsoft workstations that have no access to the network,

Novell 4 and 5 conversion to Windows 2000 server Evaluated and documented Unix Networks for efficiency and reliability

Supplied tech support for co-workers and clients over land lines and internet based medium Installed client based applications.

TEKSystems / Maxim Group Business Solutions

Plymouth Meeting, PA. / Consultant Network Engineer / Princeton University Princeton NJ

Princeton University Princeton NJ Contracted to evaluate and document the current Microsoft Windows NT 4.0 Server infrastructure that utilized Microsoft internet information server 4.0 for efficiency and security.

Network sniffing was done to see where some theft had occurred.

Evaluated and documented the current Microsoft Windows NT 4.0 Server configuration for the future conversion to Windows 2000 active directory on seven Compaq domain servers.

Troubleshoot and documented the current Checkpoint Firewall Server Corrected configuration problems and made recommendations for the current environment and for the future environment.

Repaired Domain severs for Backups

Installed and configured a disaster recovery backup

Installed and configured security patches and updated all Server updates

Job ended early due to the Sept 11 attacks on the USA.

Computer Science Corporation

Somerset NJ - Feb 2001 - May 2001

NT System Administrator / Network Engineer

Built 18 new Dell Servers models 6450's and 4400's; these Servers were configured with Microsoft Windows NT 4.0 Server in the Enterprise and two Servers utilizing Windows 2000

Installed and configured Fault Tolerance for Disaster Recovery "stripe set with parity for NT Server 4.0 in the Enterprise (configured on all the above Dells),

Microsoft Internet Information Server 4.0 and Microsoft Internet Information,

Server 5.0, Microsoft Proxy Server 2.0, WINS, DHCP, DNS, SMS 2, SQL2000, HP Network Printers

Installed and configured Norton Enterprise Virus protection via parent servers and child servers

Installed and configured Hardware Configurations along with software on the existing Compaq CSC domain servers

Installed and maintained the backup disaster recovery solution for the CSC Domain

Installed and upgraded Lotus Notes Post-Secondary.

Post-Secondary Education

B.A. Computer Science (Computer Network Support Specialist); 3.8 GPA, 1998-2000

TRIOS College of Information Technology – Sarnia, ON



Microsoft Office Specialist (MOS)

Training in Customer Service for Technical Support

Dell Server Certified Technician (e.g. e-commerce, data centre, internet, warehousing)

Dell Desktop and Laptop Certified Technician (on various models)

HP Server Certified Technician (small business servers to data centres)

HP Laptop and Desktop Certified Technician (on various models)

Compaq Server Certified Technician (small business servers to data centres)

Compaq Laptop and Server Certified Technician (on various models)


CNA (Certified Novel Administrator)

A+ Certified Tech Hardware and Software

System Administration for Microsoft Proxy Server 2.0

References Provided on Request

Contact this candidate